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-rw-r--r--lib/libc/tests/string/Makefile58
-rw-r--r--lib/libc/tests/string/Makefile.depend19
-rw-r--r--lib/libc/tests/string/bcmp_test.c32
-rw-r--r--lib/libc/tests/string/ffs_test.c87
-rw-r--r--lib/libc/tests/string/ffsl_test.c32
-rw-r--r--lib/libc/tests/string/ffsll_test.c32
-rw-r--r--lib/libc/tests/string/fls_test.c87
-rw-r--r--lib/libc/tests/string/flsl_test.c32
-rw-r--r--lib/libc/tests/string/flsll_test.c32
-rw-r--r--lib/libc/tests/string/memccpy_test.c229
-rw-r--r--lib/libc/tests/string/memcmp_test.c160
-rw-r--r--lib/libc/tests/string/memrchr_test.c116
-rw-r--r--lib/libc/tests/string/memset_s_test.c197
-rw-r--r--lib/libc/tests/string/memset_test.c29
-rw-r--r--lib/libc/tests/string/stpncpy_test.c181
-rw-r--r--lib/libc/tests/string/strcmp_test.c132
-rw-r--r--lib/libc/tests/string/strcspn_test.c269
-rw-r--r--lib/libc/tests/string/strerror_test.c204
-rw-r--r--lib/libc/tests/string/strlcpy_test.c183
-rw-r--r--lib/libc/tests/string/strncmp_test.c165
-rw-r--r--lib/libc/tests/string/strnlen_test.c141
-rw-r--r--lib/libc/tests/string/strspn_test.c30
-rw-r--r--lib/libc/tests/string/strverscmp_test.c93
-rw-r--r--lib/libc/tests/string/strxfrm_test.c48
-rw-r--r--lib/libc/tests/string/timingsafe_bcmp_test.c32
-rw-r--r--lib/libc/tests/string/timingsafe_memcmp_test.c32
-rw-r--r--lib/libc/tests/string/wcscasecmp_test.c125
-rw-r--r--lib/libc/tests/string/wcscoll_test.c153
-rw-r--r--lib/libc/tests/string/wcsnlen_test.c104
29 files changed, 3034 insertions, 0 deletions
diff --git a/lib/libc/tests/string/Makefile b/lib/libc/tests/string/Makefile
new file mode 100644
index 000000000000..a019939c30af
--- /dev/null
+++ b/lib/libc/tests/string/Makefile
@@ -0,0 +1,58 @@
+# ensure libc functions are tested, not clang's builtins
+CFLAGS+= -fno-builtin
+
+ATF_TESTS_C+= bcmp_test
+ATF_TESTS_C+= ffs_test
+ATF_TESTS_C+= ffsl_test
+ATF_TESTS_C+= ffsll_test
+ATF_TESTS_C+= fls_test
+ATF_TESTS_C+= flsl_test
+ATF_TESTS_C+= flsll_test
+ATF_TESTS_C+= memccpy_test
+ATF_TESTS_C+= memcmp_test
+ATF_TESTS_C+= memrchr_test
+ATF_TESTS_C+= memset2_test
+ATF_TESTS_C+= memset_s_test
+ATF_TESTS_C+= strncmp_test
+ATF_TESTS_C+= stpncpy_test
+ATF_TESTS_C+= strnlen_test
+ATF_TESTS_C+= strcmp2_test
+ATF_TESTS_C+= strcspn_test
+ATF_TESTS_C+= strerror2_test
+ATF_TESTS_C+= strlcpy_test
+ATF_TESTS_C+= strspn_test
+ATF_TESTS_C+= strverscmp_test
+ATF_TESTS_C+= strxfrm_test
+ATF_TESTS_C+= timingsafe_bcmp_test
+ATF_TESTS_C+= timingsafe_memcmp_test
+ATF_TESTS_C+= wcscasecmp_test
+ATF_TESTS_C+= wcscoll_test
+ATF_TESTS_C+= wcsnlen_test
+
+# TODO: popcount, stresep
+
+NETBSD_ATF_TESTS_C+= memchr_test
+NETBSD_ATF_TESTS_C+= memcpy_test
+NETBSD_ATF_TESTS_C+= memmem_test
+NETBSD_ATF_TESTS_C+= memset_test
+NETBSD_ATF_TESTS_C+= strcat_test
+NETBSD_ATF_TESTS_C+= strchr_test
+NETBSD_ATF_TESTS_C+= strchrnul_test
+NETBSD_ATF_TESTS_C+= strcmp_test
+NETBSD_ATF_TESTS_C+= strcpy_test
+NETBSD_ATF_TESTS_C+= strerror_test
+NETBSD_ATF_TESTS_C+= strlen_test
+NETBSD_ATF_TESTS_C+= strpbrk_test
+NETBSD_ATF_TESTS_C+= strrchr_test
+NETBSD_ATF_TESTS_C+= swab_test
+
+SRCS.memset2_test= memset_test.c
+SRCS.strcmp2_test= strcmp_test.c
+SRCS.strerror2_test= strerror_test.c
+
+.include "../Makefile.netbsd-tests"
+
+LIBADD.memchr_test+= md
+LIBADD.memcpy_test+= md
+
+.include <bsd.test.mk>
diff --git a/lib/libc/tests/string/Makefile.depend b/lib/libc/tests/string/Makefile.depend
new file mode 100644
index 000000000000..946944e9e951
--- /dev/null
+++ b/lib/libc/tests/string/Makefile.depend
@@ -0,0 +1,19 @@
+# Autogenerated - do NOT edit!
+
+DIRDEPS = \
+ gnu/lib/csu \
+ include \
+ include/xlocale \
+ lib/${CSU_DIR} \
+ lib/atf/libatf-c \
+ lib/libc \
+ lib/libcompiler_rt \
+ lib/libmd \
+ lib/libnetbsd \
+
+
+.include <dirdeps.mk>
+
+.if ${DEP_RELDIR} == ${_DEP_RELDIR}
+# local dependencies - needed for -jN in clean tree
+.endif
diff --git a/lib/libc/tests/string/bcmp_test.c b/lib/libc/tests/string/bcmp_test.c
new file mode 100644
index 000000000000..fdf5e48b3eb4
--- /dev/null
+++ b/lib/libc/tests/string/bcmp_test.c
@@ -0,0 +1,32 @@
+/*-
+ * Copyright (c) 2023 The FreeBSD Foundation
+ *
+ * This software was developed by Robert Clausecker <fuz@FreeBSD.org>
+ * under sponsorship from the FreeBSD Foundation.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ''AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE
+ */
+
+#define MEMCMP bcmp
+#define RES(x) ((x) != 0)
+
+#include "memcmp_test.c"
diff --git a/lib/libc/tests/string/ffs_test.c b/lib/libc/tests/string/ffs_test.c
new file mode 100644
index 000000000000..4b59385d712e
--- /dev/null
+++ b/lib/libc/tests/string/ffs_test.c
@@ -0,0 +1,87 @@
+/*-
+ * Copyright (c) 2023 The FreeBSD Foundation
+ *
+ * This software was developed by Robert Clausecker <fuz@FreeBSD.org>
+ * under sponsorship from the FreeBSD Foundation.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ''AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE
+ */
+
+#include <atf-c.h>
+#include <limits.h>
+#include <stdint.h>
+#include <strings.h>
+
+#ifndef FFS
+# define FFS ffs
+# define TYPE int
+# define TYPE_MIN INT_MIN
+#endif
+
+ATF_TC_WITHOUT_HEAD(zero);
+ATF_TC_BODY(zero, tc)
+{
+ ATF_CHECK_EQ((TYPE)0, FFS(0));
+}
+
+ATF_TC_WITHOUT_HEAD(twobit);
+ATF_TC_BODY(twobit, tc)
+{
+ const TYPE one = 1;
+ TYPE x;
+ const int n = sizeof(TYPE) * CHAR_BIT;
+ int i, j;
+
+ for (i = 0; i < n - 1; i++)
+ for (j = 0; j <= i; j++) {
+ x = one << i | one << j;
+ ATF_CHECK_EQ_MSG(j + 1, FFS(x),
+ "%s(%#jx) == %d != %d", __STRING(FFS), (intmax_t)x, FFS(x), j + 1);
+ }
+}
+
+ATF_TC_WITHOUT_HEAD(twobitneg);
+ATF_TC_BODY(twobitneg, tc)
+{
+ const TYPE one = 1;
+ TYPE x;
+ const int n = sizeof(TYPE) * CHAR_BIT;
+ int i, j;
+
+ for (i = 0; i < n - 1; i++)
+ for (j = 0; j <= i; j++) {
+ x = one << i | one << j | TYPE_MIN;
+ ATF_CHECK_EQ_MSG(j + 1, FFS(x),
+ "%s(%#jx) == %d != %d", __STRING(FFS), (intmax_t)x, FFS(x), j + 1);
+ }
+}
+
+
+ATF_TP_ADD_TCS(tp)
+{
+
+ ATF_TP_ADD_TC(tp, zero);
+ ATF_TP_ADD_TC(tp, twobit);
+ ATF_TP_ADD_TC(tp, twobitneg);
+
+ return (atf_no_error());
+}
diff --git a/lib/libc/tests/string/ffsl_test.c b/lib/libc/tests/string/ffsl_test.c
new file mode 100644
index 000000000000..809cea3d3a93
--- /dev/null
+++ b/lib/libc/tests/string/ffsl_test.c
@@ -0,0 +1,32 @@
+/*-
+ * Copyright (c) 2023 The FreeBSD Foundation
+ *
+ * This software was developed by Robert Clausecker <fuz@FreeBSD.org>
+ * under sponsorship from the FreeBSD Foundation.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ''AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE
+ */
+#define FFS ffsl
+#define TYPE long
+#define TYPE_MIN LONG_MIN
+
+#include "ffs_test.c"
diff --git a/lib/libc/tests/string/ffsll_test.c b/lib/libc/tests/string/ffsll_test.c
new file mode 100644
index 000000000000..1a620cbf9aba
--- /dev/null
+++ b/lib/libc/tests/string/ffsll_test.c
@@ -0,0 +1,32 @@
+/*-
+ * Copyright (c) 2023 The FreeBSD Foundation
+ *
+ * This software was developed by Robert Clausecker <fuz@FreeBSD.org>
+ * under sponsorship from the FreeBSD Foundation.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ''AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE
+ */
+#define FFS ffsll
+#define TYPE long long
+#define TYPE_MIN LLONG_MIN
+
+#include "ffs_test.c"
diff --git a/lib/libc/tests/string/fls_test.c b/lib/libc/tests/string/fls_test.c
new file mode 100644
index 000000000000..55691b36617c
--- /dev/null
+++ b/lib/libc/tests/string/fls_test.c
@@ -0,0 +1,87 @@
+/*-
+ * Copyright (c) 2023 The FreeBSD Foundation
+ *
+ * This software was developed by Robert Clausecker <fuz@FreeBSD.org>
+ * under sponsorship from the FreeBSD Foundation.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ''AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE
+ */
+
+#include <atf-c.h>
+#include <limits.h>
+#include <stdint.h>
+#include <strings.h>
+
+#ifndef FLS
+# define FLS fls
+# define TYPE int
+# define TYPE_MIN INT_MIN
+#endif
+
+ATF_TC_WITHOUT_HEAD(zero);
+ATF_TC_BODY(zero, tc)
+{
+ ATF_CHECK_EQ((TYPE)0, FLS(0));
+}
+
+ATF_TC_WITHOUT_HEAD(twobit);
+ATF_TC_BODY(twobit, tc)
+{
+ const TYPE one = 1;
+ TYPE x;
+ const int n = sizeof(TYPE) * CHAR_BIT;
+ int i, j;
+
+ for (i = 0; i < n - 1; i++)
+ for (j = 0; j <= i; j++) {
+ x = one << i | one << j;
+ ATF_CHECK_EQ_MSG(i + 1, FLS(x),
+ "%s(%#jx) == %d != %d", __STRING(FLS), (intmax_t)x, FLS(x), i + 1);
+ }
+}
+
+ATF_TC_WITHOUT_HEAD(twobitneg);
+ATF_TC_BODY(twobitneg, tc)
+{
+ const TYPE one = 1;
+ TYPE x;
+ const int n = sizeof(TYPE) * CHAR_BIT;
+ int i, j;
+
+ for (i = 0; i < n - 1; i++)
+ for (j = 0; j <= i; j++) {
+ x = one << i | one << j | TYPE_MIN;
+ ATF_CHECK_EQ_MSG(n, FLS(x),
+ "%s(%#jx) == %d != %d", __STRING(FLS), (intmax_t)x, FLS(x), n);
+ }
+}
+
+
+ATF_TP_ADD_TCS(tp)
+{
+
+ ATF_TP_ADD_TC(tp, zero);
+ ATF_TP_ADD_TC(tp, twobit);
+ ATF_TP_ADD_TC(tp, twobitneg);
+
+ return (atf_no_error());
+}
diff --git a/lib/libc/tests/string/flsl_test.c b/lib/libc/tests/string/flsl_test.c
new file mode 100644
index 000000000000..4b1e330d4564
--- /dev/null
+++ b/lib/libc/tests/string/flsl_test.c
@@ -0,0 +1,32 @@
+/*-
+ * Copyright (c) 2023 The FreeBSD Foundation
+ *
+ * This software was developed by Robert Clausecker <fuz@FreeBSD.org>
+ * under sponsorship from the FreeBSD Foundation.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ''AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE
+ */
+#define FLS flsl
+#define TYPE long
+#define TYPE_MIN LONG_MIN
+
+#include "fls_test.c"
diff --git a/lib/libc/tests/string/flsll_test.c b/lib/libc/tests/string/flsll_test.c
new file mode 100644
index 000000000000..23f469b7b5de
--- /dev/null
+++ b/lib/libc/tests/string/flsll_test.c
@@ -0,0 +1,32 @@
+/*-
+ * Copyright (c) 2023 The FreeBSD Foundation
+ *
+ * This software was developed by Robert Clausecker <fuz@FreeBSD.org>
+ * under sponsorship from the FreeBSD Foundation.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ''AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE
+ */
+#define FLS flsll
+#define TYPE long long
+#define TYPE_MIN LLONG_MIN
+
+#include "fls_test.c"
diff --git a/lib/libc/tests/string/memccpy_test.c b/lib/libc/tests/string/memccpy_test.c
new file mode 100644
index 000000000000..4784fee4ede5
--- /dev/null
+++ b/lib/libc/tests/string/memccpy_test.c
@@ -0,0 +1,229 @@
+/*-
+ * Copyright (c) 2009 David Schultz <das@FreeBSD.org>
+ * Copyright (c) 2023, 2024 The FreeBSD Foundation
+ * All rights reserved.
+ *
+ * Portions of this software were developed by Robert Clausecker
+ * <fuz@FreeBSD.org> under sponsorship from the FreeBSD Foundation.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <sys/cdefs.h>
+#include <sys/param.h>
+#include <sys/mman.h>
+#include <assert.h>
+#include <dlfcn.h>
+#include <limits.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <atf-c.h>
+
+void *(*memccpy_fn)(void *restrict, const void *restrict, int, size_t);
+
+static char *
+makebuf(size_t len, int guard_at_end)
+{
+ char *buf;
+ size_t alloc_size, page_size;
+
+ page_size = getpagesize();
+ alloc_size = roundup2(len, page_size) + page_size;
+
+ buf = mmap(NULL, alloc_size, PROT_READ | PROT_WRITE, MAP_ANON, -1, 0);
+ assert(buf);
+ if (guard_at_end) {
+ assert(mprotect(buf + alloc_size - page_size, page_size, PROT_NONE) == 0);
+ return (buf + alloc_size - page_size - len);
+ } else {
+ assert(mprotect(buf, page_size, PROT_NONE) == 0);
+ return (buf + page_size);
+ }
+}
+
+static void
+freebuf(char * buf, size_t len, int guard_at_end)
+{
+ size_t alloc_size, page_size;
+
+ page_size = getpagesize();
+ alloc_size = roundup2(len, page_size) + page_size;
+
+ if (guard_at_end)
+ munmap(buf + len + page_size - alloc_size, alloc_size);
+ else
+ munmap(buf - page_size, alloc_size);
+}
+
+static void
+test_memccpy(const char *s, size_t size)
+{
+ char *src, *dst, *expected;
+ size_t bufsize, x;
+ int i, j;
+
+ for (i = 0; i <= 1; i++) {
+ for (j = 0; j <= 1; j++) {
+ for (bufsize = 0; bufsize <= size + 32; bufsize++) {
+ dst = makebuf(bufsize, j);
+ if (bufsize < size) {
+ src = makebuf(bufsize, i);
+ memcpy(src, s, bufsize);
+ expected = NULL;
+ } else {
+ src = makebuf(size, i);
+ memcpy(src, s, size);
+ expected = dst + size;
+ }
+
+ memset(dst, 'X', bufsize);
+ assert(memccpy_fn(dst, src, s[size-1], bufsize) == expected);
+ assert(memcmp(src, dst, MIN(bufsize, size)) == 0);
+ for (x = size; x < bufsize; x++)
+ assert(dst[x] == 'X');
+
+ freebuf(dst, bufsize, j);
+ freebuf(src, bufsize < size ? bufsize : size, i);
+ }
+ }
+ }
+}
+
+static void
+test_sentinel(char *dest, char *src, size_t destlen, size_t srclen)
+{
+ size_t i, effective_len;
+ void *res, *wantres;
+ const char *fail = NULL;
+ char terminator;
+
+ for (i = 0; i < srclen; i++)
+ /* src will never include (){} */
+ src[i] = '0' + i;
+
+ /* source sentinels: not to be copied */
+ src[-1] = '(';
+ src[srclen] = ')';
+
+ memset(dest, '\xee', destlen);
+
+ /* destination sentinels: not to be touched */
+ dest[-1] = '{';
+ dest[destlen] = '}';
+
+ effective_len = srclen < destlen ? srclen : destlen;
+ wantres = srclen <= destlen ? dest + srclen : NULL;
+ terminator = src[srclen-1];
+ res = memccpy_fn(dest, src, terminator, destlen);
+
+ if (dest[-1] != '{')
+ fail = "start sentinel overwritten";
+ else if (dest[destlen] != '}')
+ fail = "end sentinel overwritten";
+ else if (res != wantres)
+ fail = "incorrect return value";
+ else if (destlen > 0 && memcmp(src, dest, effective_len) != 0)
+ fail = "string not copied correctly";
+ else for (i = srclen; i < destlen; i++)
+ if (dest[i] != '\xee') {
+ fail = "buffer mutilated behind string";
+ break;
+ }
+
+ if (fail)
+ atf_tc_fail_nonfatal("%s\n"
+ "memccpy(%p \"%s\", %p \"%s\", %u '%c', %zu) = %p (want %p)\n",
+ fail, dest, dest, src, src, terminator, terminator, destlen, res, wantres);
+}
+
+ATF_TC_WITHOUT_HEAD(null);
+ATF_TC_BODY(null, tc)
+{
+ ATF_CHECK_EQ(memccpy_fn(NULL, "foo", 42, 0), NULL);
+}
+
+ATF_TC(zero_extension);
+ATF_TC_HEAD(zero_extension, tc)
+{
+ atf_tc_set_md_var(tc, "descr",
+ "Ensure the upper bits of the terminator are ignored");
+}
+ATF_TC_BODY(zero_extension, tc)
+{
+ int mask = -1 & ~UCHAR_MAX;
+ char buf[16];
+
+ memset(buf, 0xcc, sizeof(buf));
+ ATF_CHECK_EQ(memccpy(buf, "foobar", 'r', sizeof(buf)), buf + sizeof("foobar") - 1);
+ ATF_CHECK_EQ(memcmp(buf, "foobar", sizeof("foobar") - 1), 0);
+
+ memset(buf, 0xcc, sizeof(buf));
+ ATF_CHECK_EQ(memccpy(buf, "foobar", mask | 'r', sizeof(buf)), buf + sizeof("foobar") - 1);
+ ATF_CHECK_EQ(memcmp(buf, "foobar", sizeof("foobar") - 1), 0);
+}
+
+ATF_TC_WITHOUT_HEAD(bounds);
+ATF_TC_BODY(bounds, tc)
+{
+ size_t i;
+ char buf[64];
+
+ for (i = 0; i < sizeof(buf) - 1; i++) {
+ buf[i] = ' ' + i;
+ buf[i+1] = '\0';
+ test_memccpy(buf, i + 1);
+ }
+}
+
+ATF_TC_WITHOUT_HEAD(alignments);
+ATF_TC_BODY(alignments, tc)
+{
+ size_t srcalign, destalign, srclen, destlen;
+ char src[15+2+64]; /* 15 offsets + 64 max length + sentinels */
+ char dest[15+2+64]; /* 15 offsets + 64 max length + sentinels */
+
+ for (srcalign = 0; srcalign < 16; srcalign++)
+ for (destalign = 0; destalign < 16; destalign++)
+ for (srclen = 1; srclen < 64; srclen++)
+ for (destlen = 0; destlen < 64; destlen++)
+ test_sentinel(dest+destalign+1,
+ src+srcalign+1, destlen, srclen);
+}
+
+ATF_TP_ADD_TCS(tp)
+{
+ void *dl_handle;
+
+ dl_handle = dlopen(NULL, RTLD_LAZY);
+ memccpy_fn = dlsym(dl_handle, "test_memccpy");
+ if (memccpy_fn == NULL)
+ memccpy_fn = memccpy;
+
+ ATF_TP_ADD_TC(tp, null);
+ ATF_TP_ADD_TC(tp, zero_extension);
+ ATF_TP_ADD_TC(tp, bounds);
+ ATF_TP_ADD_TC(tp, alignments);
+
+ return (atf_no_error());
+}
diff --git a/lib/libc/tests/string/memcmp_test.c b/lib/libc/tests/string/memcmp_test.c
new file mode 100644
index 000000000000..fa2f498ccfaf
--- /dev/null
+++ b/lib/libc/tests/string/memcmp_test.c
@@ -0,0 +1,160 @@
+/*-
+ * Copyright (c) 2016 Jilles Tjoelker <jilles@FreeBSD.org>
+ * Copyright (c) 2023 The FreeBSD Foundation
+ * All rights reserved.
+ *
+ * Portions of this software were developed by Robert Clausecker
+ * <fuz@FreeBSD.org> under sponsorship from the FreeBSD Foundation.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <assert.h>
+#include <dlfcn.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <atf-c.h>
+
+#ifndef MEMCMP
+#define MEMCMP memcmp
+#endif
+
+/*
+ * On FreeBSD we previously demanded that memcmp returns the difference
+ * between the characters at the first site of mismatch. However,
+ * ISO/IEC 9899:1990 only specifies that a number greater than, equal
+ * to, or less than zero shall be returned. If a unit test for the
+ * more strict behaviour is desired, define RES(x) to be (x).
+ */
+#ifndef RES
+#define RES(x) (((x) > 0) - ((x) < 0))
+#endif
+
+static int (*memcmp_fn)(const void *, const void *, size_t);
+
+static void
+check_memcmp(const char *a, const char *b, size_t len, int expected)
+{
+ int got;
+
+ got = memcmp_fn(a, b, len);
+ ATF_CHECK_EQ_MSG(RES(expected), RES(got),
+ "%s(%p, %p, %zu) gave %d, but wanted %d",
+ __XSTRING(MEMCMP), a, b, len, got, expected);
+}
+
+ATF_TC_WITHOUT_HEAD(zero);
+ATF_TC_BODY(zero, tc)
+{
+
+ check_memcmp("a", "b", 0, 0);
+ check_memcmp("", "", 0, 0);
+}
+
+ATF_TC_WITHOUT_HEAD(eq);
+ATF_TC_BODY(eq, tc)
+{
+ unsigned char data1[256], data2[256];
+ int i;
+
+ for (i = 0; i < 256; i++)
+ data1[i] = data2[i] = i ^ 0x55;
+ for (i = 1; i < 256; i++)
+ check_memcmp(data1, data2, i, 0);
+ for (i = 1; i < 256; i++)
+ check_memcmp(data1 + i, data2 + i, 256 - i, 0);
+}
+
+ATF_TC_WITHOUT_HEAD(neq);
+ATF_TC_BODY(neq, tc)
+{
+ unsigned char data1[256], data2[256];
+ int i;
+
+ for (i = 0; i < 256; i++) {
+ data1[i] = i;
+ data2[i] = i ^ 0x55;
+ }
+ for (i = 1; i < 256; i++)
+ check_memcmp(data1, data2, i, -0x55);
+ for (i = 1; i < 256; i++)
+ check_memcmp(data1 + i, data2 + i, 256 - i, i - (i ^ 0x55));
+}
+
+ATF_TC_WITHOUT_HEAD(diff);
+ATF_TC_BODY(diff, tc)
+{
+ unsigned char data1[256], data2[256];
+ int i;
+
+ memset(data1, 'a', sizeof(data1));
+ memset(data2, 'a', sizeof(data2));
+ data1[128] = 255;
+ data2[128] = 0;
+ for (i = 1; i < 66; i++) {
+ check_memcmp(data1 + 128, data2 + 128, i, 255);
+ check_memcmp(data2 + 128, data1 + 128, i, -255);
+ check_memcmp(data1 + 129 - i, data2 + 129 - i, i, 255);
+ check_memcmp(data2 + 129 - i, data1 + 129 - i, i, -255);
+ check_memcmp(data1 + 129 - i, data2 + 129 - i, i * 2, 255);
+ check_memcmp(data2 + 129 - i, data1 + 129 - i, i * 2, -255);
+ }
+ data1[128] = 'c';
+ data2[128] = 'e';
+ for (i = 1; i < 66; i++) {
+ check_memcmp(data1 + 128, data2 + 128, i, -2);
+ check_memcmp(data2 + 128, data1 + 128, i, 2);
+ check_memcmp(data1 + 129 - i, data2 + 129 - i, i, -2);
+ check_memcmp(data2 + 129 - i, data1 + 129 - i, i, 2);
+ check_memcmp(data1 + 129 - i, data2 + 129 - i, i * 2, -2);
+ check_memcmp(data2 + 129 - i, data1 + 129 - i, i * 2, 2);
+ }
+ memset(data1 + 129, 'A', sizeof(data1) - 129);
+ memset(data2 + 129, 'Z', sizeof(data2) - 129);
+ for (i = 1; i < 66; i++) {
+ check_memcmp(data1 + 128, data2 + 128, i, -2);
+ check_memcmp(data2 + 128, data1 + 128, i, 2);
+ check_memcmp(data1 + 129 - i, data2 + 129 - i, i, -2);
+ check_memcmp(data2 + 129 - i, data1 + 129 - i, i, 2);
+ check_memcmp(data1 + 129 - i, data2 + 129 - i, i * 2, -2);
+ check_memcmp(data2 + 129 - i, data1 + 129 - i, i * 2, 2);
+ }
+}
+
+ATF_TP_ADD_TCS(tp)
+{
+ void *dl_handle;
+
+ dl_handle = dlopen(NULL, RTLD_LAZY);
+ memcmp_fn = dlsym(dl_handle, "test_" __XSTRING(MEMCMP));
+ if (memcmp_fn == NULL)
+ memcmp_fn = MEMCMP;
+
+ ATF_TP_ADD_TC(tp, zero);
+ ATF_TP_ADD_TC(tp, eq);
+ ATF_TP_ADD_TC(tp, neq);
+ ATF_TP_ADD_TC(tp, diff);
+
+ return (atf_no_error());
+}
diff --git a/lib/libc/tests/string/memrchr_test.c b/lib/libc/tests/string/memrchr_test.c
new file mode 100644
index 000000000000..12f696c9dc1e
--- /dev/null
+++ b/lib/libc/tests/string/memrchr_test.c
@@ -0,0 +1,116 @@
+/*-
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
+ * Copyright (c) 2023 Robert Clausecker
+ */
+
+#include <sys/cdefs.h>
+
+#include <dlfcn.h>
+#include <limits.h>
+#include <string.h>
+
+#include <atf-c.h>
+
+static void *(*memrchr_fn)(const void *, int, size_t);
+
+ATF_TC_WITHOUT_HEAD(null);
+ATF_TC_BODY(null, tc)
+{
+ ATF_CHECK_EQ(memrchr_fn(NULL, 42, 0), NULL);
+}
+
+ATF_TC_WITHOUT_HEAD(not_found);
+ATF_TC_BODY(not_found, tc)
+{
+ size_t i, j;
+ char buf[1+15+64+1]; /* offset [0..15] + 64 buffer bytes + sentinels */
+
+ buf[0] = 'X';
+ memset(buf + 1, '-', sizeof(buf) - 1);
+
+ for (i = 0; i < 16; i++)
+ for (j = 0; j < 64; j++) {
+ buf[i + j + 1] = 'X';
+ ATF_CHECK_EQ(memrchr_fn(buf + i + 1, 'X', j), NULL);
+ buf[i + j + 1] = '-';
+ }
+}
+
+static void
+do_found_test(char buf[], size_t len, size_t first, size_t second)
+{
+ /* invariant: first <= second */
+
+ buf[first] = 'X';
+ buf[second] = 'X';
+ ATF_CHECK_EQ(memrchr_fn(buf, 'X', len), buf + second);
+ buf[first] = '-';
+ buf[second] = '-';
+}
+
+ATF_TC_WITHOUT_HEAD(found);
+ATF_TC_BODY(found, tc)
+{
+ size_t i, j, k, l;
+ char buf[1+15+64+1];
+
+ buf[0] = 'X';
+ memset(buf + 1, '-', sizeof(buf) - 1);
+
+ for (i = 0; i < 16; i++)
+ for (j = 0; j < 64; j++)
+ for (k = 0; k < j; k++)
+ for (l = 0; l <= k; l++) {
+ buf[i + j + 1] = 'X';
+ do_found_test(buf + i + 1, j, l, k);
+ buf[i + j + 1] = '-';
+ }
+}
+
+/* check that the right character is found */
+static void
+do_values_test(unsigned char buf[], size_t len, size_t i, int c)
+{
+ /* sentinels */
+ buf[-1] = c;
+ buf[len] = c;
+ memset(buf, c + 1, len);
+
+ if (i < len) {
+ buf[i] = c;
+ ATF_CHECK_EQ(memrchr_fn(buf, c, len), buf + i);
+ } else
+ ATF_CHECK_EQ(memrchr_fn(buf, c, len), NULL);
+}
+
+ATF_TC_WITHOUT_HEAD(values);
+ATF_TC_BODY(values, tc)
+{
+ size_t i, j, k;
+ int c;
+ unsigned char buf[1+15+64+1];
+
+ for (i = 0; i < 16; i++)
+ for (j = 0; j < 64; j++)
+ for (k = 0; k <= j; k++)
+ for (c = 0; c <= UCHAR_MAX; c++)
+ do_values_test(buf + i + 1, j, k, c);
+}
+
+ATF_TP_ADD_TCS(tp)
+{
+ void *dl_handle;
+
+ dl_handle = dlopen(NULL, RTLD_LAZY);
+ memrchr_fn = dlsym(dl_handle, "test_memrchr");
+ if (memrchr_fn == NULL)
+ memrchr_fn = memrchr;
+
+ ATF_TP_ADD_TC(tp, null);
+ ATF_TP_ADD_TC(tp, not_found);
+ ATF_TP_ADD_TC(tp, found);
+ ATF_TP_ADD_TC(tp, values);
+
+ return (atf_no_error());
+}
diff --git a/lib/libc/tests/string/memset_s_test.c b/lib/libc/tests/string/memset_s_test.c
new file mode 100644
index 000000000000..c822a2ee4554
--- /dev/null
+++ b/lib/libc/tests/string/memset_s_test.c
@@ -0,0 +1,197 @@
+/*-
+ * Copyright (c) 2017 Juniper Networks. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <assert.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <atf-c.h>
+
+static errno_t e;
+static const char * restrict m;
+
+void
+h(const char * restrict msg, void * restrict ptr __unused, errno_t error)
+{
+ e = error;
+ m = msg;
+}
+
+/* null ptr */
+ATF_TC_WITHOUT_HEAD(null_ptr);
+ATF_TC_BODY(null_ptr, tc)
+{
+ assert(memset_s(0, 1, 1, 1) != 0);
+}
+
+/* smax > rmax */
+ATF_TC_WITHOUT_HEAD(smax_gt_rmax);
+ATF_TC_BODY(smax_gt_rmax, tc)
+{
+ char b;
+
+ assert(memset_s(&b, RSIZE_MAX + 1, 1, 1) != 0);
+}
+
+/* smax < 0 */
+ATF_TC_WITHOUT_HEAD(smax_lt_zero);
+ATF_TC_BODY(smax_lt_zero, tc)
+{
+ char b;
+
+ assert(memset_s(&b, -1, 1, 1) != 0);
+}
+
+/* normal */
+ATF_TC_WITHOUT_HEAD(normal);
+ATF_TC_BODY(normal, tc)
+{
+ char b;
+
+ b = 3;
+ assert(memset_s(&b, 1, 5, 1) == 0);
+ assert(b == 5);
+}
+
+/* n > rmax */
+ATF_TC_WITHOUT_HEAD(n_gt_rmax);
+ATF_TC_BODY(n_gt_rmax, tc)
+{
+ char b;
+
+ assert(memset_s(&b, 1, 1, RSIZE_MAX + 1) != 0);
+}
+
+/* n < 0 */
+ATF_TC_WITHOUT_HEAD(n_lt_zero);
+ATF_TC_BODY(n_lt_zero, tc)
+{
+ char b;
+
+ assert(memset_s(&b, 1, 1, -1) != 0);
+}
+
+/* n < smax */
+ATF_TC_WITHOUT_HEAD(n_lt_smax);
+ATF_TC_BODY(n_lt_smax, tc)
+{
+ char b[3] = {1, 2, 3};
+
+ assert(memset_s(&b[0], 3, 9, 1) == 0);
+ assert(b[0] == 9);
+ assert(b[1] == 2);
+ assert(b[2] == 3);
+}
+
+/* n > smax, handler */
+ATF_TC_WITHOUT_HEAD(n_gt_smax);
+ATF_TC_BODY(n_gt_smax, tc)
+{
+ char b[3] = {1, 2, 3};
+
+ e = 0;
+ m = NULL;
+ set_constraint_handler_s(h);
+ assert(memset_s(&b[0], 1, 9, 3) != 0);
+ assert(e > 0);
+ assert(strcmp(m, "memset_s : n > smax") == 0);
+ assert(b[0] == 9);
+ assert(b[1] == 2);
+ assert(b[2] == 3);
+}
+
+/* smax > rmax, handler */
+ATF_TC_WITHOUT_HEAD(smax_gt_rmax_handler);
+ATF_TC_BODY(smax_gt_rmax_handler, tc)
+{
+ char b;
+
+ e = 0;
+ m = NULL;
+ set_constraint_handler_s(h);
+ assert(memset_s(&b, RSIZE_MAX + 1, 1, 1) != 0);
+ assert(e > 0);
+ assert(strcmp(m, "memset_s : smax > RSIZE_MAX") == 0);
+}
+
+/* smax < 0, handler */
+ATF_TC_WITHOUT_HEAD(smax_lt_zero_handler);
+ATF_TC_BODY(smax_lt_zero_handler, tc)
+{
+ char b;
+
+ e = 0;
+ m = NULL;
+ set_constraint_handler_s(h);
+ assert(memset_s(&b, -1, 1, 1) != 0);
+ assert(e > 0);
+ assert(strcmp(m, "memset_s : smax > RSIZE_MAX") == 0);
+}
+
+/* n > rmax, handler */
+ATF_TC_WITHOUT_HEAD(n_gt_rmax_handler);
+ATF_TC_BODY(n_gt_rmax_handler, tc)
+{
+ char b;
+
+ e = 0;
+ m = NULL;
+ set_constraint_handler_s(h);
+ assert(memset_s(&b, 1, 1, RSIZE_MAX + 1) != 0);
+ assert(e > 0);
+ assert(strcmp(m, "memset_s : n > RSIZE_MAX") == 0);
+}
+
+/* n < 0, handler */
+ATF_TC_WITHOUT_HEAD(n_lt_zero_handler);
+ATF_TC_BODY(n_lt_zero_handler, tc)
+{
+ char b;
+
+ e = 0;
+ m = NULL;
+ set_constraint_handler_s(h);
+ assert(memset_s(&b, 1, 1, -1) != 0);
+ assert(e > 0);
+ assert(strcmp(m, "memset_s : n > RSIZE_MAX") == 0);
+}
+
+ATF_TP_ADD_TCS(tp)
+{
+ ATF_TP_ADD_TC(tp, null_ptr);
+ ATF_TP_ADD_TC(tp, smax_gt_rmax);
+ ATF_TP_ADD_TC(tp, smax_lt_zero);
+ ATF_TP_ADD_TC(tp, normal);
+ ATF_TP_ADD_TC(tp, n_gt_rmax);
+ ATF_TP_ADD_TC(tp, n_lt_zero);
+ ATF_TP_ADD_TC(tp, n_gt_smax);
+ ATF_TP_ADD_TC(tp, n_lt_smax);
+ ATF_TP_ADD_TC(tp, smax_gt_rmax_handler);
+ ATF_TP_ADD_TC(tp, smax_lt_zero_handler);
+ ATF_TP_ADD_TC(tp, n_gt_rmax_handler);
+ ATF_TP_ADD_TC(tp, n_lt_zero_handler);
+ return (atf_no_error());
+}
diff --git a/lib/libc/tests/string/memset_test.c b/lib/libc/tests/string/memset_test.c
new file mode 100644
index 000000000000..b898ad5af251
--- /dev/null
+++ b/lib/libc/tests/string/memset_test.c
@@ -0,0 +1,29 @@
+/*-
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
+ * Copyright (c) 2024 Strahinja Stanisic <strajabot@FreeBSD.org>
+ */
+
+#include <assert.h>
+#include <string.h>
+
+#include <atf-c.h>
+
+ATF_TC_WITHOUT_HEAD(int_char_conv);
+ATF_TC_BODY(int_char_conv, tc)
+{
+ char b[64];
+ int c = 0xDEADBEEF;
+ memset(&b, c, 64);
+ for(int i = 0; i < 64; i++) {
+ assert(b[i] == (char)c);
+ }
+
+}
+
+ATF_TP_ADD_TCS(tp)
+{
+ ATF_TP_ADD_TC(tp, int_char_conv);
+ return (atf_no_error());
+}
+
diff --git a/lib/libc/tests/string/stpncpy_test.c b/lib/libc/tests/string/stpncpy_test.c
new file mode 100644
index 000000000000..8574b2d591be
--- /dev/null
+++ b/lib/libc/tests/string/stpncpy_test.c
@@ -0,0 +1,181 @@
+/*-
+ * Copyright (c) 2009 David Schultz <das@FreeBSD.org>
+ * Copyright (c) 2023 The FreeBSD Foundation
+ * All rights reserved.
+ *
+ * Portions of this software were developed by Robert Clausecker
+ * <fuz@FreeBSD.org> under sponsorship from the FreeBSD Foundation.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <sys/param.h>
+#include <sys/mman.h>
+#include <assert.h>
+#include <dlfcn.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <atf-c.h>
+
+static char *(*stpncpy_fn)(char *restrict, const char *restrict, size_t);
+
+static char *
+makebuf(size_t len, int guard_at_end)
+{
+ char *buf;
+ size_t alloc_size, page_size;
+
+ page_size = getpagesize();
+ alloc_size = roundup2(len, page_size) + page_size;
+
+ buf = mmap(NULL, alloc_size, PROT_READ | PROT_WRITE, MAP_ANON, -1, 0);
+ assert(buf);
+ if (guard_at_end) {
+ assert(munmap(buf + alloc_size - page_size, page_size) == 0);
+ return (buf + alloc_size - page_size - len);
+ } else {
+ assert(munmap(buf, page_size) == 0);
+ return (buf + page_size);
+ }
+}
+
+static void
+test_stpncpy(const char *s)
+{
+ char *src, *dst;
+ size_t size, len, bufsize, x;
+ int i, j;
+
+ size = strlen(s) + 1;
+ for (i = 0; i <= 1; i++) {
+ for (j = 0; j <= 1; j++) {
+ for (bufsize = 0; bufsize <= size + 10; bufsize++) {
+ src = makebuf(size, i);
+ memcpy(src, s, size);
+ dst = makebuf(bufsize, j);
+ memset(dst, 'X', bufsize);
+ len = (bufsize < size) ? bufsize : size - 1;
+ assert(stpncpy_fn(dst, src, bufsize) == dst+len);
+ assert(memcmp(src, dst, len) == 0);
+ for (x = len; x < bufsize; x++)
+ assert(dst[x] == '\0');
+ }
+ }
+ }
+}
+
+static void
+test_sentinel(char *dest, char *src, size_t destlen, size_t srclen)
+{
+ size_t i;
+ const char *res, *wantres;
+ const char *fail = NULL;
+
+ for (i = 0; i < srclen; i++)
+ /* src will never include (){} */
+ src[i] = '0' + i;
+ src[srclen] = '\0';
+
+ /* source sentinels: not to be copied */
+ src[-1] = '(';
+ src[srclen+1] = ')';
+
+ memset(dest, 0xee, destlen);
+
+ /* destination sentinels: not to be touched */
+ dest[-1] = '{';
+ dest[destlen] = '}';
+
+ wantres = dest + (srclen > destlen ? destlen : srclen);
+ res = stpncpy_fn(dest, src, destlen);
+
+ if (dest[-1] != '{')
+ fail = "start sentinel overwritten";
+ else if (dest[destlen] != '}')
+ fail = "end sentinel overwritten";
+ else if (strncmp(src, dest, destlen) != 0)
+ fail = "string not copied correctly";
+ else if (res != wantres)
+ fail = "incorrect return value";
+ else for (i = srclen; i < destlen; i++)
+ if (dest[i] != '\0') {
+ fail = "incomplete NUL padding";
+ break;
+ }
+
+ if (fail)
+ atf_tc_fail_nonfatal("%s\n"
+ "stpncpy(%p \"%s\", %p \"%s\", %zu) = %p (want %p)\n",
+ fail, dest, dest, src, src, destlen, res, wantres);
+}
+
+ATF_TC_WITHOUT_HEAD(null);
+ATF_TC_BODY(null, tc)
+{
+ ATF_CHECK_EQ(stpncpy_fn(NULL, NULL, 0), NULL);
+}
+
+ATF_TC_WITHOUT_HEAD(bounds);
+ATF_TC_BODY(bounds, tc)
+{
+ size_t i;
+ char buf[64+1];
+
+ for (i = 0; i < sizeof(buf) - 1; i++) {
+ buf[i] = ' ' + i;
+ buf[i+1] = '\0';
+ test_stpncpy(buf);
+ }
+}
+
+ATF_TC_WITHOUT_HEAD(alignments);
+ATF_TC_BODY(alignments, tc)
+{
+ size_t srcalign, destalign, srclen, destlen;
+ char src[15+3+64]; /* 15 offsets + 64 max length + NUL + sentinels */
+ char dest[15+2+64]; /* 15 offsets + 64 max length + sentinels */
+
+ for (srcalign = 0; srcalign < 16; srcalign++)
+ for (destalign = 0; destalign < 16; destalign++)
+ for (srclen = 0; srclen < 64; srclen++)
+ for (destlen = 0; destlen < 64; destlen++)
+ test_sentinel(dest+destalign+1,
+ src+srcalign+1, destlen, srclen);
+}
+
+ATF_TP_ADD_TCS(tp)
+{
+ void *dl_handle;
+
+ dl_handle = dlopen(NULL, RTLD_LAZY);
+ stpncpy_fn = dlsym(dl_handle, "test_stpncpy");
+ if (stpncpy_fn == NULL)
+ stpncpy_fn = stpncpy;
+
+ ATF_TP_ADD_TC(tp, null);
+ ATF_TP_ADD_TC(tp, bounds);
+ ATF_TP_ADD_TC(tp, alignments);
+
+ return (atf_no_error());
+}
diff --git a/lib/libc/tests/string/strcmp_test.c b/lib/libc/tests/string/strcmp_test.c
new file mode 100644
index 000000000000..75ebcbcadda2
--- /dev/null
+++ b/lib/libc/tests/string/strcmp_test.c
@@ -0,0 +1,132 @@
+/*-
+ * Copyright (c) 2023 The FreeBSD Foundation
+ *
+ * This software was developed by Robert Clausecker <fuz@FreeBSD.org>
+ * under sponsorship from the FreeBSD Foundation.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ''AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE
+ */
+
+#include <sys/cdefs.h>
+
+#include <atf-c.h>
+#include <dlfcn.h>
+#include <string.h>
+
+int (*volatile strcmp_fn)(const char *, const char *);
+
+ATF_TC(strcmp_alignments);
+ATF_TC_HEAD(strcmp_alignments, tc)
+{
+ atf_tc_set_md_var(tc, "descr", "Test strcmp(3) with various alignments");
+}
+
+static void
+alignment_testcase(char *a, char *b, int want)
+{
+ int res;
+
+ res = strcmp_fn(a, b);
+ ATF_CHECK_MSG(want == (res > 0) - (res < 0),
+ "strcmp(%p \"%s\", %p \"%s\") = %d != %d",
+ (void *)a, a, (void *)b, b, res, want);
+}
+
+static void
+check_strcmp_alignments(char a[], char b[],
+ size_t a_off, size_t b_off, size_t len, size_t pos)
+{
+ char *a_str, *b_str, a_orig, b_orig;
+
+ a[a_off] = '\0';
+ b[b_off] = '\0';
+
+ a_str = a + a_off + 1;
+ b_str = b + b_off + 1;
+
+ a_str[len] = '\0';
+ b_str[len] = '\0';
+ a_str[len+1] = 'A';
+ b_str[len+1] = 'B';
+
+ a_orig = a_str[pos];
+ b_orig = b_str[pos];
+
+ alignment_testcase(a_str, b_str, 0);
+
+ if (pos < len) {
+ a_str[pos] = '\0';
+ alignment_testcase(a_str, b_str, -1);
+ a_str[pos] = a_orig;
+ b_str[pos] = '\0';
+ alignment_testcase(a_str, b_str, 1);
+ b_str[pos] = b_orig;
+ }
+
+ a_str[pos] = 'X';
+ alignment_testcase(a_str, b_str, 1);
+ a_str[pos] = a_orig;
+ b_str[pos] = 'X';
+ alignment_testcase(a_str, b_str, -1);
+ b_str[pos] = b_orig;
+
+ a[a_off] = '-';
+ b[b_off] = '-';
+ a_str[len] = '-';
+ b_str[len] = '-';
+ a_str[len+1] = '-';
+ b_str[len+1] = '-';
+}
+
+ATF_TC_BODY(strcmp_alignments, tc)
+{
+ size_t a_off, b_off, len, pos;
+ /* 16B alignment offset + 64B buffer + sentinel before/after + NUL */
+ char a[64+16+3], b[64+16+3];
+
+ memset(a, '-', sizeof(a));
+ memset(b, '-', sizeof(b));
+ a[sizeof(a) - 1] = '\0';
+ b[sizeof(b) - 1] = '\0';
+
+ /* check alignment offsets relevant for SSE routines */
+ for (a_off = 0; a_off < 16; a_off++)
+ for (b_off = 0; b_off < 16; b_off++)
+ /* ensure main loop (@ 32B) is completed at least once */
+ for (len = 1; len <= 64; len++)
+ for (pos = 0; pos <= len; pos++)
+ check_strcmp_alignments(a, b, a_off, b_off, len, pos);
+}
+
+ATF_TP_ADD_TCS(tp)
+{
+ void *dl_handle;
+
+ dl_handle = dlopen(NULL, RTLD_LAZY);
+ strcmp_fn = dlsym(dl_handle, "test_strcmp");
+ if (strcmp_fn == NULL)
+ strcmp_fn = strcmp;
+
+ ATF_TP_ADD_TC(tp, strcmp_alignments);
+
+ return atf_no_error();
+}
diff --git a/lib/libc/tests/string/strcspn_test.c b/lib/libc/tests/string/strcspn_test.c
new file mode 100644
index 000000000000..293fc2bc8d4e
--- /dev/null
+++ b/lib/libc/tests/string/strcspn_test.c
@@ -0,0 +1,269 @@
+/*-
+ * Copyright (c) 2023 The FreeBSD Foundation
+ *
+ * This software was developed by Robert Clausecker <fuz@FreeBSD.org>
+ * under sponsorship from the FreeBSD Foundation.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ''AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE
+ */
+
+
+#include <atf-c.h>
+#include <assert.h>
+#include <limits.h>
+#include <stdbool.h>
+#include <stddef.h>
+#include <string.h>
+
+enum {
+ MAXALIGN = 16, /* test all offsets from this alignment */
+ MAXBUF = 64, /* test up to this buffer length */
+};
+
+enum { NOMATCH, MATCH };
+
+#ifdef STRSPN
+#define STRXSPN strspn
+#else
+#define STRXSPN strcspn
+#endif
+
+static void
+testcase(char *buf, size_t buflen, char *set, size_t setlen, int want_match)
+{
+ size_t i, outcome, expected;
+
+ assert(setlen < UCHAR_MAX - 2);
+
+ for (i = 0; i < buflen; i++)
+#ifdef STRSPN
+ buf[i] = UCHAR_MAX - i % (setlen > 0 ? setlen : 1);
+#else /* strcspn */
+ buf[i] = 1 + i % (UCHAR_MAX - setlen - 1);
+#endif
+
+ buf[i] = '\0';
+
+ for (i = 0; i < setlen; i++)
+ set[i] = UCHAR_MAX - i;
+
+ set[i] = '\0';
+
+#ifdef STRSPN
+ if (setlen == 0)
+ expected = 0;
+ else if (want_match == MATCH && buflen > 0) {
+ buf[buflen - 1] = 1;
+ expected = buflen - 1;
+ } else
+ expected = buflen;
+#else /* strcspn */
+ if (want_match == MATCH && buflen > 0 && setlen > 0) {
+ buf[buflen - 1] = UCHAR_MAX;
+ expected = buflen - 1;
+ } else
+ expected = buflen;
+#endif
+
+ outcome = STRXSPN(buf, set);
+ ATF_CHECK_EQ_MSG(expected, outcome, "%s(%p[%zu], %p[%zu]) = %zu != %zu",
+ __XSTRING(STRXSPN), buf, buflen, set, setlen, outcome, expected);
+}
+
+/* test set with all alignments and lengths of buf */
+static void
+test_buf_alignments(char *set, size_t setlen, int want_match)
+{
+ char buf[MAXALIGN + MAXBUF + 1];
+ size_t i, j;
+
+ for (i = 0; i < MAXALIGN; i++)
+ for (j = 0; j <= MAXBUF; j++)
+ testcase(buf + i, j, set, setlen, want_match);
+}
+
+/* test buf with all alignments and lengths of set */
+static void
+test_set_alignments(char *buf, size_t buflen, int want_match)
+{
+ char set[MAXALIGN + MAXBUF + 1];
+ size_t i, j;
+
+ for (i = 0; i < MAXALIGN; i++)
+ for (j = 0; j <= MAXBUF; j++)
+ testcase(buf, buflen, set + i, j, want_match);
+}
+
+ATF_TC_WITHOUT_HEAD(buf_alignments);
+ATF_TC_BODY(buf_alignments, tc)
+{
+ char set[41];
+
+ test_buf_alignments(set, 0, MATCH);
+ test_buf_alignments(set, 1, MATCH);
+ test_buf_alignments(set, 5, MATCH);
+ test_buf_alignments(set, 20, MATCH);
+ test_buf_alignments(set, 40, MATCH);
+
+ test_buf_alignments(set, 0, NOMATCH);
+ test_buf_alignments(set, 1, NOMATCH);
+ test_buf_alignments(set, 5, NOMATCH);
+ test_buf_alignments(set, 20, NOMATCH);
+ test_buf_alignments(set, 40, NOMATCH);
+}
+
+ATF_TC_WITHOUT_HEAD(set_alignments);
+ATF_TC_BODY(set_alignments, tc)
+{
+ char buf[31];
+
+ test_set_alignments(buf, 0, MATCH);
+ test_set_alignments(buf, 10, MATCH);
+ test_set_alignments(buf, 20, MATCH);
+ test_set_alignments(buf, 30, MATCH);
+
+ test_set_alignments(buf, 0, NOMATCH);
+ test_set_alignments(buf, 10, NOMATCH);
+ test_set_alignments(buf, 20, NOMATCH);
+ test_set_alignments(buf, 30, NOMATCH);
+}
+
+#ifndef STRSPN
+/* test all positions in which set could match buf */
+static void
+test_match_positions(char *buf, char *set, size_t buflen, size_t setlen)
+{
+ size_t i, j, outcome;
+
+ memset(buf, '-', buflen);
+
+ for (i = 0; i < setlen; i++)
+ set[i] = 'A' + i;
+
+ buf[buflen] = '\0';
+ set[setlen] = '\0';
+
+ /*
+ * Check for (mis)match at buffer position i
+ * against set position j.
+ */
+ for (i = 0; i < buflen; i++) {
+ for (j = 0; j < setlen; j++) {
+ buf[i] = set[j];
+
+ outcome = strcspn(buf, set);
+ ATF_CHECK_EQ_MSG(i, outcome,
+ "strcspn(\"%s\", \"%s\") = %zu != %zu",
+ buf, set, outcome, i);
+ }
+
+ buf[i] = '-';
+ }
+}
+
+ATF_TC_WITHOUT_HEAD(match_positions);
+ATF_TC_BODY(match_positions, tc)
+{
+ char buf[129], set[65];
+
+ test_match_positions(buf, set, 128, 64);
+ test_match_positions(buf, set, 64, 64);
+ test_match_positions(buf, set, 32, 64);
+ test_match_positions(buf, set, 16, 64);
+ test_match_positions(buf, set, 8, 64);
+ test_match_positions(buf, set, 128, 32);
+ test_match_positions(buf, set, 64, 32);
+ test_match_positions(buf, set, 32, 32);
+ test_match_positions(buf, set, 16, 32);
+ test_match_positions(buf, set, 8, 32);
+ test_match_positions(buf, set, 128, 16);
+ test_match_positions(buf, set, 64, 16);
+ test_match_positions(buf, set, 32, 16);
+ test_match_positions(buf, set, 16, 16);
+ test_match_positions(buf, set, 8, 16);
+ test_match_positions(buf, set, 128, 8);
+ test_match_positions(buf, set, 64, 8);
+ test_match_positions(buf, set, 32, 8);
+ test_match_positions(buf, set, 16, 8);
+ test_match_positions(buf, set, 8, 8);
+}
+
+/* if there are two matches, check that the earlier match is taken */
+static void
+test_match_order(char *buf, char *set, size_t buflen, size_t setlen)
+{
+ size_t i, j, k, l, outcome;
+
+ memset(buf, '-', buflen);
+
+ for (i = 0; i < setlen; i++)
+ set[i] = 'A' + i;
+
+ buf[buflen] = '\0';
+ set[setlen] = '\0';
+
+ for (i = 0; i < setlen; i++)
+ for (j = 0; j < setlen; j++)
+ for (k = 0; k + 1 < buflen; k++)
+ for (l = k + 1; l < buflen; l++) {
+ buf[k] = set[i];
+ buf[l] = set[j];
+ outcome = strcspn(buf, set);
+ ATF_CHECK_EQ_MSG(k, outcome,
+ "strcspn(\"%s\", \"%s\") = %zu != %zu",
+ buf, set, outcome, k);
+ buf[k] = '-';
+ buf[l] = '-';
+ }
+}
+
+ATF_TC_WITHOUT_HEAD(match_order);
+ATF_TC_BODY(match_order, tc)
+{
+ char buf[33], set[65];
+
+ test_match_order(buf, set, 32, 64);
+ test_match_order(buf, set, 16, 64);
+ test_match_order(buf, set, 8, 64);
+ test_match_order(buf, set, 32, 32);
+ test_match_order(buf, set, 16, 32);
+ test_match_order(buf, set, 8, 32);
+ test_match_order(buf, set, 32, 16);
+ test_match_order(buf, set, 16, 16);
+ test_match_order(buf, set, 8, 16);
+ test_match_order(buf, set, 32, 8);
+ test_match_order(buf, set, 16, 8);
+ test_match_order(buf, set, 8, 8);
+}
+#endif /* !defined(STRSPN) */
+
+ATF_TP_ADD_TCS(tp)
+{
+ ATF_TP_ADD_TC(tp, buf_alignments);
+ ATF_TP_ADD_TC(tp, set_alignments);
+#ifndef STRSPN
+ ATF_TP_ADD_TC(tp, match_positions);
+ ATF_TP_ADD_TC(tp, match_order);
+#endif
+
+ return (atf_no_error());
+}
diff --git a/lib/libc/tests/string/strerror_test.c b/lib/libc/tests/string/strerror_test.c
new file mode 100644
index 000000000000..8f6cbfe38a59
--- /dev/null
+++ b/lib/libc/tests/string/strerror_test.c
@@ -0,0 +1,204 @@
+/*-
+ * Copyright (c) 2001 Wes Peters <wes@FreeBSD.org>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <assert.h>
+#include <errno.h>
+#include <limits.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <atf-c.h>
+
+static char buf[64];
+static char *sret;
+static int iret;
+
+ATF_TC_WITHOUT_HEAD(strerror_unknown_error);
+ATF_TC_BODY(strerror_unknown_error, tc)
+{
+
+ errno = 0;
+ sret = strerror(INT_MAX);
+ snprintf(buf, sizeof(buf), "Unknown error: %d", INT_MAX);
+ ATF_CHECK(strcmp(sret, buf) == 0);
+ ATF_CHECK(errno == EINVAL);
+}
+
+ATF_TC_WITHOUT_HEAD(strerror_no_error);
+ATF_TC_BODY(strerror_no_error, tc)
+{
+
+ errno = 0;
+ sret = strerror(0);
+ ATF_CHECK(strcmp(sret, "No error: 0") == 0);
+ ATF_CHECK(errno == 0);
+}
+
+ATF_TC_WITHOUT_HEAD(strerror_EPERM_test);
+ATF_TC_BODY(strerror_EPERM_test, tc)
+{
+
+ errno = 0;
+ sret = strerror(EPERM);
+ ATF_CHECK(strcmp(sret, "Operation not permitted") == 0);
+ ATF_CHECK(errno == 0);
+}
+
+ATF_TC_WITHOUT_HEAD(strerror_EPFNOSUPPORT_test);
+ATF_TC_BODY(strerror_EPFNOSUPPORT_test, tc)
+{
+
+ errno = 0;
+ sret = strerror(EPFNOSUPPORT);
+ ATF_CHECK(strcmp(sret, "Protocol family not supported") == 0);
+ ATF_CHECK(errno == 0);
+}
+
+ATF_TC_WITHOUT_HEAD(strerror_ELAST_test);
+ATF_TC_BODY(strerror_ELAST_test, tc)
+{
+
+ errno = 0;
+ sret = strerror(ELAST);
+ ATF_CHECK(errno == 0);
+}
+
+ATF_TC_WITHOUT_HEAD(strerror_r__unknown_error);
+ATF_TC_BODY(strerror_r__unknown_error, tc)
+{
+
+ memset(buf, '*', sizeof(buf));
+ iret = strerror_r(-1, buf, sizeof(buf));
+ ATF_CHECK(strcmp(buf, "Unknown error: -1") == 0);
+ ATF_CHECK(iret == EINVAL);
+}
+
+ATF_TC_WITHOUT_HEAD(strerror_r__EPERM_one_byte_short);
+ATF_TC_BODY(strerror_r__EPERM_one_byte_short, tc)
+{
+
+ memset(buf, '*', sizeof(buf));
+ /* One byte too short. */
+ iret = strerror_r(EPERM, buf, strlen("Operation not permitted"));
+ ATF_CHECK(strcmp(buf, "Operation not permitte") == 0);
+ ATF_CHECK(iret == ERANGE);
+}
+
+ATF_TC_WITHOUT_HEAD(strerror_r__EPERM_unknown_error_one_byte_short);
+ATF_TC_BODY(strerror_r__EPERM_unknown_error_one_byte_short, tc)
+{
+
+ memset(buf, '*', sizeof(buf));
+ /* One byte too short. */
+ iret = strerror_r(-1, buf, strlen("Unknown error: -1"));
+ ATF_CHECK(strcmp(buf, "Unknown error: -") == 0);
+ ATF_CHECK(iret == EINVAL);
+}
+
+ATF_TC_WITHOUT_HEAD(strerror_r__EPERM_unknown_error_two_bytes_short);
+ATF_TC_BODY(strerror_r__EPERM_unknown_error_two_bytes_short, tc)
+{
+
+ memset(buf, '*', sizeof(buf));
+ /* Two bytes too short. */
+ iret = strerror_r(-2, buf, strlen("Unknown error: -2") - 1);
+ ATF_CHECK(strcmp(buf, "Unknown error: ") == 0);
+ ATF_CHECK(iret == EINVAL);
+}
+
+ATF_TC_WITHOUT_HEAD(strerror_r__EPERM_unknown_error_three_bytes_short);
+ATF_TC_BODY(strerror_r__EPERM_unknown_error_three_bytes_short, tc)
+{
+
+ memset(buf, '*', sizeof(buf));
+ /* Three bytes too short. */
+ iret = strerror_r(-2, buf, strlen("Unknown error: -2") - 2);
+ ATF_CHECK(strcmp(buf, "Unknown error:") == 0);
+ ATF_CHECK(iret == EINVAL);
+}
+
+ATF_TC_WITHOUT_HEAD(strerror_r__EPERM_unknown_error_12345_one_byte_short);
+ATF_TC_BODY(strerror_r__EPERM_unknown_error_12345_one_byte_short, tc)
+{
+
+ memset(buf, '*', sizeof(buf));
+ /* One byte too short. */
+ iret = strerror_r(12345, buf, strlen("Unknown error: 12345"));
+ ATF_CHECK(strcmp(buf, "Unknown error: 1234") == 0);
+ ATF_CHECK(iret == EINVAL);
+}
+
+ATF_TC_WITHOUT_HEAD(strerror_r__no_error);
+ATF_TC_BODY(strerror_r__no_error, tc)
+{
+
+ memset(buf, '*', sizeof(buf));
+ iret = strerror_r(0, buf, sizeof(buf));
+ ATF_CHECK(strcmp(buf, "No error: 0") == 0);
+ ATF_CHECK(iret == 0);
+}
+
+ATF_TC_WITHOUT_HEAD(strerror_r__EDEADLK);
+ATF_TC_BODY(strerror_r__EDEADLK, tc)
+{
+
+ memset(buf, '*', sizeof(buf));
+ iret = strerror_r(EDEADLK, buf, sizeof(buf));
+ ATF_CHECK(strcmp(buf, "Resource deadlock avoided") == 0);
+ ATF_CHECK(iret == 0);
+}
+
+ATF_TC_WITHOUT_HEAD(strerror_r__EPROCLIM);
+ATF_TC_BODY(strerror_r__EPROCLIM, tc)
+{
+
+ memset(buf, '*', sizeof(buf));
+ iret = strerror_r(EPROCLIM, buf, sizeof(buf));
+ ATF_CHECK(strcmp(buf, "Too many processes") == 0);
+ ATF_CHECK(iret == 0);
+}
+
+ATF_TP_ADD_TCS(tp)
+{
+
+ ATF_TP_ADD_TC(tp, strerror_unknown_error);
+ ATF_TP_ADD_TC(tp, strerror_no_error);
+ ATF_TP_ADD_TC(tp, strerror_EPERM_test);
+ ATF_TP_ADD_TC(tp, strerror_EPFNOSUPPORT_test);
+ ATF_TP_ADD_TC(tp, strerror_ELAST_test);
+ ATF_TP_ADD_TC(tp, strerror_r__unknown_error);
+ ATF_TP_ADD_TC(tp, strerror_r__EPERM_one_byte_short);
+ ATF_TP_ADD_TC(tp, strerror_r__EPERM_unknown_error_one_byte_short);
+ ATF_TP_ADD_TC(tp, strerror_r__EPERM_unknown_error_two_bytes_short);
+ ATF_TP_ADD_TC(tp, strerror_r__EPERM_unknown_error_three_bytes_short);
+ ATF_TP_ADD_TC(tp, strerror_r__EPERM_unknown_error_12345_one_byte_short);
+ ATF_TP_ADD_TC(tp, strerror_r__no_error);
+ ATF_TP_ADD_TC(tp, strerror_r__EDEADLK);
+ ATF_TP_ADD_TC(tp, strerror_r__EPROCLIM);
+
+ return (atf_no_error());
+}
diff --git a/lib/libc/tests/string/strlcpy_test.c b/lib/libc/tests/string/strlcpy_test.c
new file mode 100644
index 000000000000..646bef42683e
--- /dev/null
+++ b/lib/libc/tests/string/strlcpy_test.c
@@ -0,0 +1,183 @@
+/*-
+ * Copyright (c) 2009 David Schultz <das@FreeBSD.org>
+ * Copyright (c) 2023 The FreeBSD Foundation
+ * All rights reserved.
+ *
+ * Portions of this software were developed by Robert Clausecker
+ * <fuz@FreeBSD.org> under sponsorship from the FreeBSD Foundation.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <sys/cdefs.h>
+#include <sys/param.h>
+#include <sys/mman.h>
+#include <assert.h>
+#include <dlfcn.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <atf-c.h>
+
+size_t (*strlcpy_fn)(char *restrict, const char *restrict, size_t);
+
+static char *
+makebuf(size_t len, int guard_at_end)
+{
+ char *buf;
+ size_t alloc_size, page_size;
+
+ page_size = getpagesize();
+ alloc_size = roundup2(len, page_size) + page_size;
+
+ buf = mmap(NULL, alloc_size, PROT_READ | PROT_WRITE, MAP_ANON, -1, 0);
+ assert(buf);
+ if (guard_at_end) {
+ assert(munmap(buf + alloc_size - page_size, page_size) == 0);
+ return (buf + alloc_size - page_size - len);
+ } else {
+ assert(munmap(buf, page_size) == 0);
+ return (buf + page_size);
+ }
+}
+
+static void
+test_strlcpy(const char *s)
+{
+ char *src, *dst;
+ size_t size, bufsize, x;
+ int i, j;
+
+ size = strlen(s) + 1;
+ for (i = 0; i <= 1; i++) {
+ for (j = 0; j <= 1; j++) {
+ for (bufsize = 0; bufsize <= size + 10; bufsize++) {
+ src = makebuf(size, i);
+ memcpy(src, s, size);
+ dst = makebuf(bufsize, j);
+ memset(dst, 'X', bufsize);
+ assert(strlcpy_fn(dst, src, bufsize) == size-1);
+ assert(bufsize == 0 || strncmp(src, dst, bufsize - 1) == 0);
+ for (x = size; x < bufsize; x++)
+ assert(dst[x] == 'X');
+ }
+ }
+ }
+}
+
+static void
+test_sentinel(char *dest, char *src, size_t destlen, size_t srclen)
+{
+ size_t i;
+ size_t res, wantres;
+ const char *fail = NULL;
+
+ for (i = 0; i < srclen; i++)
+ /* src will never include (){} */
+ src[i] = '0' + i;
+ src[srclen] = '\0';
+
+ /* source sentinels: not to be copied */
+ src[-1] = '(';
+ src[srclen+1] = ')';
+
+ memset(dest, '\xee', destlen);
+
+ /* destination sentinels: not to be touched */
+ dest[-1] = '{';
+ dest[destlen] = '}';
+
+ wantres = srclen;
+ res = strlcpy_fn(dest, src, destlen);
+
+ if (dest[-1] != '{')
+ fail = "start sentinel overwritten";
+ else if (dest[destlen] != '}')
+ fail = "end sentinel overwritten";
+ else if (res != wantres)
+ fail = "incorrect return value";
+ else if (destlen > 0 && strncmp(src, dest, destlen - 1) != 0)
+ fail = "string not copied correctly";
+ else if (destlen > 0 && srclen >= destlen - 1 && dest[destlen-1] != '\0')
+ fail = "string not NUL terminated";
+ else for (i = srclen + 1; i < destlen; i++)
+ if (dest[i] != '\xee') {
+ fail = "buffer mutilated behind string";
+ break;
+ }
+
+ if (fail)
+ atf_tc_fail_nonfatal("%s\n"
+ "strlcpy(%p \"%s\", %p \"%s\", %zu) = %zu (want %zu)\n",
+ fail, dest, dest, src, src, destlen, res, wantres);
+}
+
+ATF_TC_WITHOUT_HEAD(null);
+ATF_TC_BODY(null, tc)
+{
+ ATF_CHECK_EQ(strlcpy_fn(NULL, "foo", 0), 3);
+}
+
+ATF_TC_WITHOUT_HEAD(bounds);
+ATF_TC_BODY(bounds, tc)
+{
+ size_t i;
+ char buf[64+1];
+
+ for (i = 0; i < sizeof(buf) - 1; i++) {
+ buf[i] = ' ' + i;
+ buf[i+1] = '\0';
+ test_strlcpy(buf);
+ }
+}
+
+ATF_TC_WITHOUT_HEAD(alignments);
+ATF_TC_BODY(alignments, tc)
+{
+ size_t srcalign, destalign, srclen, destlen;
+ char src[15+3+64]; /* 15 offsets + 64 max length + NUL + sentinels */
+ char dest[15+2+64]; /* 15 offsets + 64 max length + sentinels */
+
+ for (srcalign = 0; srcalign < 16; srcalign++)
+ for (destalign = 0; destalign < 16; destalign++)
+ for (srclen = 0; srclen < 64; srclen++)
+ for (destlen = 0; destlen < 64; destlen++)
+ test_sentinel(dest+destalign+1,
+ src+srcalign+1, destlen, srclen);
+}
+
+ATF_TP_ADD_TCS(tp)
+{
+ void *dl_handle;
+
+ dl_handle = dlopen(NULL, RTLD_LAZY);
+ strlcpy_fn = dlsym(dl_handle, "test_strlcpy");
+ if (strlcpy_fn == NULL)
+ strlcpy_fn = strlcpy;
+
+ ATF_TP_ADD_TC(tp, null);
+ ATF_TP_ADD_TC(tp, bounds);
+ ATF_TP_ADD_TC(tp, alignments);
+
+ return (atf_no_error());
+}
diff --git a/lib/libc/tests/string/strncmp_test.c b/lib/libc/tests/string/strncmp_test.c
new file mode 100644
index 000000000000..989c58bcfedf
--- /dev/null
+++ b/lib/libc/tests/string/strncmp_test.c
@@ -0,0 +1,165 @@
+/*-
+ * Copyright (c) 2023 The FreeBSD Foundation
+ *
+ * This software was developed by Robert Clausecker <fuz@FreeBSD.org>
+ * under sponsorship from the FreeBSD Foundation.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ''AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE
+ */
+
+#include <sys/cdefs.h>
+
+#include <atf-c.h>
+#include <dlfcn.h>
+#include <string.h>
+
+int (*volatile strncmp_fn)(const char *, const char *, size_t);
+
+static void
+alignment_testcase(char *a, char *b, int want, size_t len)
+{
+ int res;
+
+ res = strncmp_fn(a, b, len);
+ ATF_CHECK_MSG(want == (res > 0) - (res < 0),
+ "strcmp(%p \"%s\", %p \"%s\", %zu) = %d != %d",
+ (void *)a, a, (void *)b, b, len, res, want);
+}
+
+static void
+check_strncmp_alignments(char a[], char b[],
+ size_t a_off, size_t b_off, size_t len, size_t pos)
+{
+ char *a_str, *b_str, a_orig, b_orig;
+
+ a[a_off] = '\0';
+ b[b_off] = '\0';
+
+ a_str = a + a_off + 1;
+ b_str = b + b_off + 1;
+
+ a_str[len] = '\0';
+ b_str[len] = '\0';
+ a_str[len+1] = 'A';
+ b_str[len+1] = 'B';
+
+ a_orig = a_str[pos];
+ b_orig = b_str[pos];
+
+ alignment_testcase(a_str, b_str, 0, len + 16);
+ alignment_testcase(a_str, b_str, 0, len + 1);
+ alignment_testcase(a_str, b_str, 0, len);
+
+ if (pos < len) {
+ a_str[pos] = '\0';
+ alignment_testcase(a_str, b_str, -1, len + 16);
+ alignment_testcase(a_str, b_str, -1, len + 1);
+ alignment_testcase(a_str, b_str, -1, len);
+ alignment_testcase(a_str, b_str, -1, pos + 1);
+ alignment_testcase(a_str, b_str, 0, pos);
+ a_str[pos] = a_orig;
+
+ b_str[pos] = '\0';
+ alignment_testcase(a_str, b_str, 1, len + 16);
+ alignment_testcase(a_str, b_str, 1, len + 1);
+ alignment_testcase(a_str, b_str, 1, len);
+ alignment_testcase(a_str, b_str, 1, pos + 1);
+ alignment_testcase(a_str, b_str, 0, pos);
+ b_str[pos] = b_orig;
+ }
+
+ a_str[pos] = 'X';
+ alignment_testcase(a_str, b_str, 1, len + 16);
+ alignment_testcase(a_str, b_str, 0, pos);
+ alignment_testcase(a_str, b_str, 1, pos + 1);
+ if (pos < len) {
+ alignment_testcase(a_str, b_str, 1, len);
+ alignment_testcase(a_str, b_str, 1, len + 1);
+ }
+ a_str[pos] = a_orig;
+
+ b_str[pos] = 'X';
+ alignment_testcase(a_str, b_str, -1, len + 16);
+ alignment_testcase(a_str, b_str, 0, pos);
+ alignment_testcase(a_str, b_str, -1, pos + 1);
+ if (pos < len) {
+ alignment_testcase(a_str, b_str, -1, len);
+ alignment_testcase(a_str, b_str, -1, len + 1);
+ }
+ b_str[pos] = b_orig;
+
+ a[a_off] = '-';
+ b[b_off] = '-';
+ a_str[len] = '-';
+ b_str[len] = '-';
+ a_str[len+1] = '-';
+ b_str[len+1] = '-';
+}
+
+ATF_TC(strncmp_alignments);
+ATF_TC_HEAD(strncmp_alignments, tc)
+{
+ atf_tc_set_md_var(tc, "descr", "Test strncmp(3) with various alignments");
+}
+
+ATF_TC_BODY(strncmp_alignments, tc)
+{
+ size_t a_off, b_off, len, pos;
+ char a[64+16+16+3], b[64+16+16+3];
+
+ memset(a, '-', sizeof(a));
+ memset(b, '-', sizeof(b));
+ a[sizeof(a) - 1] = '\0';
+ b[sizeof(b) - 1] = '\0';
+
+ for (a_off = 0; a_off < 16; a_off++)
+ for (b_off = 0; b_off < 16; b_off++)
+ for (len = 1; len <= 64; len++)
+ for (pos = 0; pos <= len; pos++)
+ check_strncmp_alignments(a, b, a_off, b_off, len, pos);
+}
+
+ATF_TC(strncmp_null);
+ATF_TC_HEAD(strncmp_null, tc)
+{
+ atf_tc_set_md_var(tc, "descr", "Test strncmp(3) with null pointers");
+}
+
+ATF_TC_BODY(strncmp_null, tc)
+{
+ alignment_testcase(NULL, NULL, 0, 0);
+}
+
+ATF_TP_ADD_TCS(tp)
+{
+ void *dl_handle;
+
+ dl_handle = dlopen(NULL, RTLD_LAZY);
+ strncmp_fn = dlsym(dl_handle, "test_strncmp");
+ if (strncmp_fn == NULL)
+ strncmp_fn = strncmp;
+
+ ATF_TP_ADD_TC(tp, strncmp_alignments);
+ ATF_TP_ADD_TC(tp, strncmp_null);
+
+ return atf_no_error();
+}
diff --git a/lib/libc/tests/string/strnlen_test.c b/lib/libc/tests/string/strnlen_test.c
new file mode 100644
index 000000000000..31c2384bb30f
--- /dev/null
+++ b/lib/libc/tests/string/strnlen_test.c
@@ -0,0 +1,141 @@
+/*-
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
+ * Copyright (c) 2024 Strahinja Stanisic <strajabot@FreeBSD.org>
+ */
+
+#include <string.h>
+#include <unistd.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdalign.h>
+#include <stdint.h>
+
+#include <atf-c.h>
+
+ATF_TC(strnlen_alignments);
+ATF_TC_HEAD(strnlen_alignments, tc)
+{
+ atf_tc_set_md_var(tc, "descr", "Test strnlen(3) with different alignments");
+}
+
+ATF_TC_BODY(strnlen_alignments, tc)
+{
+ size_t (*strnlen_fn)(const char*, size_t) = strnlen;
+ char alignas(16) buffer[1 + 16 + 64 + 1 + 1];
+
+ memset(buffer, '/', sizeof(buffer));
+
+ for (int align = 1; align < 1 + 16; align++) {
+ char *s = buffer + align;
+
+ for (size_t maxlen = 0; maxlen <= 64; maxlen++) {
+ for (size_t len = 0; len <= maxlen; len++) {
+ /* returns length */
+
+ /* without sentinels */
+ s[len] = '\0';
+ size_t val = strnlen_fn(s, maxlen);
+ if (val != len) {
+ fprintf(stderr, "align = %d, maxlen = %zu, len = %zu",
+ align, maxlen, len);
+ atf_tc_fail("returned incorrect len");
+ }
+
+ /* with sentinels */
+ s[-1] = '\0';
+ s[maxlen + 1] = '\0';
+ val = strnlen_fn(s, maxlen);
+ if (val != len) {
+ fprintf(stderr, "align = %d, maxlen = %zu, len = %zu",
+ align, maxlen, len);
+ atf_tc_fail("returned incorrect len (sentinels)");
+ }
+
+ /* cleanup */
+ s[-1] = '/';
+ s[len] = '/';
+ s[maxlen + 1] = '/';
+
+ }
+
+ /* returns maxlen */
+
+ /* without sentinels */
+ size_t val = strnlen_fn(s, maxlen);
+ if (val != maxlen) {
+ fprintf(stderr, "align = %d, maxlen = %zu",
+ align, maxlen);
+ atf_tc_fail("should return maxlen");
+ }
+
+ /* with sentinels */
+ s[-1] = '\0';
+ s[maxlen + 1] = '\0';
+ val = strnlen_fn(s, maxlen);
+ if (val != maxlen) {
+ fprintf(stderr, "align = %d, maxlen = %zu",
+ align, maxlen);
+ atf_tc_fail("should return maxlen (sentinels)");
+ }
+
+ /* cleanup */
+ s[-1] = '/';
+ s[maxlen + 1] = '/';
+ }
+ }
+}
+
+ATF_TC(strnlen_size_max);
+ATF_TC_HEAD(strnlen_size_max, tc)
+{
+ atf_tc_set_md_var(tc, "descr", "Test strnlen(3) with maxlen=SIZE_MAX");
+}
+
+ATF_TC_BODY(strnlen_size_max, tc)
+{
+ size_t (*strnlen_fn)(const char*, size_t) = strnlen;
+ char alignas(16) buffer[1 + 16 + 64 + 1 + 1];
+
+ memset(buffer, '/', sizeof(buffer));
+
+ for (int align = 1; align < 1 + 16; align++) {
+ char* s = buffer + align;
+
+ for (size_t len = 0; len <= 64; len++) {
+ /* returns length */
+
+ /* without sentinels */
+ s[len] = '\0';
+ size_t val = strnlen_fn(s, SIZE_MAX);
+ if (val != len) {
+ fprintf(stderr, "align = %d, maxlen = %zu, len = %zu",
+ align, SIZE_MAX, len);
+ atf_tc_fail("returned incorrect len (SIZE_MAX)");
+ }
+
+ /* with sentinels */
+ s[-1] = '\0';
+ val = strnlen_fn(s, SIZE_MAX);
+ if (val != len) {
+ fprintf(stderr, "align = %d, maxlen = %zu, len = %zu",
+ align, SIZE_MAX, len);
+ atf_tc_fail("returned incorrect len (sentinels) (SIZE_MAX)");
+ }
+
+ /* cleanup */
+ s[-1] = '/';
+ s[len] = '/';
+ }
+ }
+}
+
+
+
+ATF_TP_ADD_TCS(tp)
+{
+ ATF_TP_ADD_TC(tp, strnlen_alignments);
+ ATF_TP_ADD_TC(tp, strnlen_size_max);
+
+ return atf_no_error();
+}
diff --git a/lib/libc/tests/string/strspn_test.c b/lib/libc/tests/string/strspn_test.c
new file mode 100644
index 000000000000..73a08ddefa1b
--- /dev/null
+++ b/lib/libc/tests/string/strspn_test.c
@@ -0,0 +1,30 @@
+/*-
+ * Copyright (c) 2023 The FreeBSD Foundation
+ *
+ * This software was developed by Robert Clausecker <fuz@FreeBSD.org>
+ * under sponsorship from the FreeBSD Foundation.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ''AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE
+ */
+
+#define STRSPN
+#include "strcspn_test.c"
diff --git a/lib/libc/tests/string/strverscmp_test.c b/lib/libc/tests/string/strverscmp_test.c
new file mode 100644
index 000000000000..fd6a2620cb48
--- /dev/null
+++ b/lib/libc/tests/string/strverscmp_test.c
@@ -0,0 +1,93 @@
+/*-
+* SPDX-License-Identifier: BSD-2-Clause
+* Copyright (c) 2022 Aymeric Wibo <obiwac@gmail.com>
+*/
+
+#include <atf-c.h>
+#include <string.h>
+
+static void
+check_all(size_t len, const char *ordered[len])
+{
+ const char *a, *b;
+
+ for (size_t i = 0; i < len; i++) {
+ for (size_t j = 0; j < len; j++) {
+ a = ordered[i];
+ b = ordered[j];
+
+ if (i == j)
+ ATF_CHECK_MSG(
+ strverscmp(a, b) == 0,
+ "strverscmp(\"%s\", \"%s\") == 0",
+ a, b
+ );
+ else if (i < j)
+ ATF_CHECK_MSG(
+ strverscmp(a, b) < 0,
+ "strverscmp(\"%s\", \"%s\") < 0",
+ a, b
+ );
+ else if (i > j)
+ ATF_CHECK_MSG(
+ strverscmp(a, b) > 0,
+ "strverscmp(\"%s\", \"%s\") > 0",
+ a, b
+ );
+ }
+ }
+}
+
+#define CHECK_ALL(...) do { \
+ const char *ordered[] = { __VA_ARGS__ }; \
+ check_all(sizeof(ordered) / sizeof(*ordered), ordered); \
+} while (0)
+
+ATF_TC_WITHOUT_HEAD(strcmp_functionality);
+ATF_TC_BODY(strcmp_functionality, tc)
+{
+ CHECK_ALL("", "a", "b");
+}
+
+/* from Linux man page strverscmp(3) */
+
+ATF_TC_WITHOUT_HEAD(vers_ordering);
+ATF_TC_BODY(vers_ordering, tc)
+{
+ CHECK_ALL("000", "00", "01", "010", "09", "0", "1", "9", "10");
+}
+
+ATF_TC_WITHOUT_HEAD(natural_ordering);
+ATF_TC_BODY(natural_ordering, tc)
+{
+ CHECK_ALL("jan1", "jan2", "jan9", "jan10", "jan11", "jan19", "jan20");
+}
+
+/* https://sourceware.org/bugzilla/show_bug.cgi?id=9913 */
+
+ATF_TC_WITHOUT_HEAD(glibc_bug_9913);
+ATF_TC_BODY(glibc_bug_9913, tc)
+{
+ CHECK_ALL(
+ "B0075022800016.gbp.corp.com",
+ "B007502280067.gbp.corp.com",
+ "B007502357019.GBP.CORP.COM"
+ );
+}
+
+ATF_TC_WITHOUT_HEAD(semver_ordering);
+ATF_TC_BODY(semver_ordering, tc)
+{
+ CHECK_ALL("2.6.20", "2.6.21");
+}
+
+ATF_TP_ADD_TCS(tp)
+{
+ ATF_TP_ADD_TC(tp, strcmp_functionality);
+ ATF_TP_ADD_TC(tp, vers_ordering);
+ ATF_TP_ADD_TC(tp, natural_ordering);
+ ATF_TP_ADD_TC(tp, glibc_bug_9913);
+ ATF_TP_ADD_TC(tp, semver_ordering);
+
+ return (atf_no_error());
+}
diff --git a/lib/libc/tests/string/strxfrm_test.c b/lib/libc/tests/string/strxfrm_test.c
new file mode 100644
index 000000000000..becc620ba79c
--- /dev/null
+++ b/lib/libc/tests/string/strxfrm_test.c
@@ -0,0 +1,48 @@
+/*-
+ * Copyright (c) 2016 Baptiste Daroussin <bapt@FreeBSD.org>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <string.h>
+#include <locale.h>
+#include <stdio.h>
+
+#include <atf-c.h>
+
+ATF_TC_WITHOUT_HEAD(iso_8859_5);
+ATF_TC_BODY(iso_8859_5, tc)
+{
+ char s1[8];
+ const char s2[] = { 0xa1, 0 };
+
+ setlocale(LC_ALL, "ru_RU.ISO8859-5");
+ strxfrm(s1, s2, 0x8);
+}
+
+ATF_TP_ADD_TCS(tp)
+{
+ ATF_TP_ADD_TC(tp, iso_8859_5);
+
+ return (atf_no_error());
+}
diff --git a/lib/libc/tests/string/timingsafe_bcmp_test.c b/lib/libc/tests/string/timingsafe_bcmp_test.c
new file mode 100644
index 000000000000..96bf789633f2
--- /dev/null
+++ b/lib/libc/tests/string/timingsafe_bcmp_test.c
@@ -0,0 +1,32 @@
+/*-
+ * Copyright (c) 2023 The FreeBSD Foundation
+ *
+ * This software was developed by Robert Clausecker <fuz@FreeBSD.org>
+ * under sponsorship from the FreeBSD Foundation.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ''AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE
+ */
+
+#define MEMCMP timingsafe_bcmp
+#define RES(x) ((x) != 0)
+
+#include "memcmp_test.c"
diff --git a/lib/libc/tests/string/timingsafe_memcmp_test.c b/lib/libc/tests/string/timingsafe_memcmp_test.c
new file mode 100644
index 000000000000..5f97e41fcf8a
--- /dev/null
+++ b/lib/libc/tests/string/timingsafe_memcmp_test.c
@@ -0,0 +1,32 @@
+/*-
+ * Copyright (c) 2023 The FreeBSD Foundation
+ *
+ * This software was developed by Robert Clausecker <fuz@FreeBSD.org>
+ * under sponsorship from the FreeBSD Foundation.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ''AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE
+ */
+
+#define MEMCMP timingsafe_memcmp
+#define RES(x) (((x) > 0) - ((x) < 0))
+
+#include "memcmp_test.c"
diff --git a/lib/libc/tests/string/wcscasecmp_test.c b/lib/libc/tests/string/wcscasecmp_test.c
new file mode 100644
index 000000000000..9a47c0d91b31
--- /dev/null
+++ b/lib/libc/tests/string/wcscasecmp_test.c
@@ -0,0 +1,125 @@
+/*-
+ * Copyright (c) 2009 David Schultz <das@FreeBSD.org>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <assert.h>
+#include <locale.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <wchar.h>
+#include <wctype.h>
+
+#include <atf-c.h>
+
+ATF_TC_WITHOUT_HEAD(nul);
+ATF_TC_BODY(nul, tc)
+{
+
+ ATF_REQUIRE(setlocale(LC_CTYPE, "C") != NULL);
+
+ ATF_CHECK(wcscasecmp(L"", L"") == 0);
+ ATF_CHECK(wcsncasecmp(L"", L"", 50) == 0);
+ ATF_CHECK(wcsncasecmp(L"", L"", 0) == 0);
+}
+
+ATF_TC_WITHOUT_HEAD(wcscasecmp_equal);
+ATF_TC_BODY(wcscasecmp_equal, tc)
+{
+
+ ATF_REQUIRE(setlocale(LC_CTYPE, "C") != NULL);
+
+ ATF_CHECK(wcscasecmp(L"abc", L"abc") == 0);
+ ATF_CHECK(wcscasecmp(L"ABC", L"ABC") == 0);
+ ATF_CHECK(wcscasecmp(L"abc", L"ABC") == 0);
+ ATF_CHECK(wcscasecmp(L"ABC", L"abc") == 0);
+}
+
+ATF_TC_WITHOUT_HEAD(wcscasecmp_same_len_buffers);
+ATF_TC_BODY(wcscasecmp_same_len_buffers, tc)
+{
+
+ ATF_REQUIRE(setlocale(LC_CTYPE, "C") != NULL);
+
+ ATF_CHECK(wcscasecmp(L"abc", L"xyz") < 0);
+ ATF_CHECK(wcscasecmp(L"ABC", L"xyz") < 0);
+ ATF_CHECK(wcscasecmp(L"abc", L"XYZ") < 0);
+ ATF_CHECK(wcscasecmp(L"ABC", L"XYZ") < 0);
+ ATF_CHECK(wcscasecmp(L"xyz", L"abc") > 0);
+ ATF_CHECK(wcscasecmp(L"XYZ", L"abc") > 0);
+ ATF_CHECK(wcscasecmp(L"xyz", L"ABC") > 0);
+ ATF_CHECK(wcscasecmp(L"XYZ", L"ABC") > 0);
+}
+
+ATF_TC_WITHOUT_HEAD(wcscasecmp_mismatched_len_buffers);
+ATF_TC_BODY(wcscasecmp_mismatched_len_buffers, tc)
+{
+
+ ATF_REQUIRE(setlocale(LC_CTYPE, "C") != NULL);
+
+ ATF_CHECK(wcscasecmp(L"abc", L"ABCD") < 0);
+ ATF_CHECK(wcscasecmp(L"ABC", L"abcd") < 0);
+ ATF_CHECK(wcscasecmp(L"abcd", L"ABC") > 0);
+ ATF_CHECK(wcscasecmp(L"ABCD", L"abc") > 0);
+}
+
+ATF_TC_WITHOUT_HEAD(wcsncasecmp);
+ATF_TC_BODY(wcsncasecmp, tc)
+{
+
+ ATF_REQUIRE(setlocale(LC_CTYPE, "C") != NULL);
+
+ ATF_CHECK(wcsncasecmp(L"abc", L"ABCD", 4) < 0);
+ ATF_CHECK(wcsncasecmp(L"ABC", L"abcd", 4) < 0);
+ ATF_CHECK(wcsncasecmp(L"abcd", L"ABC", 4) > 0);
+ ATF_CHECK(wcsncasecmp(L"ABCD", L"abc", 4) > 0);
+ ATF_CHECK(wcsncasecmp(L"abc", L"ABCD", 3) == 0);
+ ATF_CHECK(wcsncasecmp(L"ABC", L"abcd", 3) == 0);
+}
+
+ATF_TC_WITHOUT_HEAD(wcscasecmp_greek);
+ATF_TC_BODY(wcscasecmp_greek, tc)
+{
+
+ ATF_REQUIRE(setlocale(LC_CTYPE, "C") != NULL);
+
+ ATF_CHECK(wcscasecmp(L"λ", L"Λ") != 0);
+ ATF_REQUIRE(setlocale(LC_CTYPE, "el_GR.UTF-8") != NULL);
+ ATF_CHECK(wcscasecmp(L"λ", L"Λ") == 0);
+ ATF_CHECK(wcscasecmp(L"λ", L"Ω") < 0);
+ ATF_CHECK(wcscasecmp(L"Ω", L"λ") > 0);
+}
+
+ATF_TP_ADD_TCS(tp)
+{
+
+ ATF_TP_ADD_TC(tp, nul);
+ ATF_TP_ADD_TC(tp, wcscasecmp_equal);
+ ATF_TP_ADD_TC(tp, wcscasecmp_same_len_buffers);
+ ATF_TP_ADD_TC(tp, wcscasecmp_mismatched_len_buffers);
+ ATF_TP_ADD_TC(tp, wcsncasecmp);
+ ATF_TP_ADD_TC(tp, wcscasecmp_greek);
+
+ return (atf_no_error());
+}
diff --git a/lib/libc/tests/string/wcscoll_test.c b/lib/libc/tests/string/wcscoll_test.c
new file mode 100644
index 000000000000..2ce85bbb986b
--- /dev/null
+++ b/lib/libc/tests/string/wcscoll_test.c
@@ -0,0 +1,153 @@
+/*-
+ * Copyright (c) 2016 Baptiste Daroussin <bapt@FreeBSD.org>
+ * Copyright 2016 Tom Lane <tgl@sss.pgh.pa.us>
+ * Copyright 2017 Nexenta Systems, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <wchar.h>
+#include <locale.h>
+#include <stdlib.h>
+#include <time.h>
+#include <errno.h>
+
+#include <atf-c.h>
+
+static int
+cmp(const void *a, const void *b)
+{
+ const wchar_t wa[2] = { *(const wchar_t *)a, 0 };
+ const wchar_t wb[2] = { *(const wchar_t *)b, 0 };
+
+ return (wcscoll(wa, wb));
+}
+
+ATF_TC_WITHOUT_HEAD(russian_collation);
+ATF_TC_BODY(russian_collation, tc)
+{
+ wchar_t c[] = L"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyzЁАБВГДЕЖЗИЙКЛМНОПРСТУФХЦЧШЩЪЫЬЭЮЯабвгдежзийклмнопрстуфхцчшщъыьэюяё";
+ wchar_t res[] = L"aAbBcCdDeEfFgGhHiIjJkKlLmMnNoOpPqQrRsStTuUvVwWxXyYzZаАбБвВгГдДеЕёЁжЖзЗиИйЙкКлЛмМнНоОпПрРсСтТуУфФхХцЦчЧшШщЩъЪыЫьЬэЭюЮяЯ";
+
+ ATF_CHECK_MSG(setlocale(LC_ALL, "ru_RU.UTF-8") != NULL,
+ "Fail to set locale to \"ru_RU.UTF-8\"");
+ qsort(c, wcslen(c), sizeof(wchar_t), cmp);
+ ATF_CHECK_MSG(wcscmp(c, res) == 0,
+ "Bad collation, expected: '%ls' got '%ls'", res, c);
+}
+
+#define NSTRINGS 2000
+#define MAXSTRLEN 20
+#define MAXXFRMLEN (MAXSTRLEN * 20)
+
+typedef struct {
+ char sval[MAXSTRLEN];
+ char xval[MAXXFRMLEN];
+} cstr;
+
+ATF_TC_WITHOUT_HEAD(strcoll_vs_strxfrm);
+ATF_TC_BODY(strcoll_vs_strxfrm, tc)
+{
+ cstr data[NSTRINGS];
+ char *curloc;
+ int i, j;
+
+ curloc = setlocale(LC_ALL, "en_US.UTF-8");
+ ATF_CHECK_MSG(curloc != NULL, "Fail to set locale");
+
+ /* Ensure new random() values on every run */
+ srandom((unsigned int) time(NULL));
+
+ /* Generate random UTF8 strings of length less than MAXSTRLEN bytes */
+ for (i = 0; i < NSTRINGS; i++) {
+ char *p;
+ int len;
+
+again:
+ p = data[i].sval;
+ len = 1 + (random() % (MAXSTRLEN - 1));
+ while (len > 0) {
+ int c;
+ /*
+ * Generate random printable char in ISO8859-1 range.
+ * Bias towards producing a lot of spaces.
+ */
+
+ if ((random() % 16) < 3) {
+ c = ' ';
+ } else {
+ do {
+ c = random() & 0xFF;
+ } while (!((c >= ' ' && c <= 127) ||
+ (c >= 0xA0 && c <= 0xFF)));
+ }
+
+ if (c <= 127) {
+ *p++ = c;
+ len--;
+ } else {
+ if (len < 2)
+ break;
+ /* Poor man's utf8-ification */
+ *p++ = 0xC0 + (c >> 6);
+ len--;
+ *p++ = 0x80 + (c & 0x3F);
+ len--;
+ }
+ }
+ *p = '\0';
+ /* strxfrm() each string as we produce it */
+ errno = 0;
+ ATF_CHECK_MSG(strxfrm(data[i].xval, data[i].sval,
+ MAXXFRMLEN) < MAXXFRMLEN, "strxfrm() result for %d-length "
+ " string exceeded %d bytes", (int)strlen(data[i].sval),
+ MAXXFRMLEN);
+
+ /*
+ * Amend strxfrm() failing on certain characters to be fixed and
+ * test later
+ */
+ if (errno != 0)
+ goto again;
+ }
+
+ for (i = 0; i < NSTRINGS; i++) {
+ for (j = 0; j < NSTRINGS; j++) {
+ int sr = strcoll(data[i].sval, data[j].sval);
+ int sx = strcmp(data[i].xval, data[j].xval);
+
+ ATF_CHECK_MSG(!((sr * sx < 0) ||
+ (sr * sx == 0 && sr + sx != 0)),
+ "%s: diff for \"%s\" and \"%s\"",
+ curloc, data[i].sval, data[j].sval);
+ }
+ }
+}
+
+ATF_TP_ADD_TCS(tp)
+{
+ ATF_TP_ADD_TC(tp, russian_collation);
+ ATF_TP_ADD_TC(tp, strcoll_vs_strxfrm);
+
+ return (atf_no_error());
+}
diff --git a/lib/libc/tests/string/wcsnlen_test.c b/lib/libc/tests/string/wcsnlen_test.c
new file mode 100644
index 000000000000..ba2e1c8d7c57
--- /dev/null
+++ b/lib/libc/tests/string/wcsnlen_test.c
@@ -0,0 +1,104 @@
+/*-
+ * Copyright (c) 2009 David Schultz <das@FreeBSD.org>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <sys/param.h>
+#include <sys/mman.h>
+#include <assert.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <wchar.h>
+
+#include <atf-c.h>
+
+static void *
+makebuf(size_t len, int guard_at_end)
+{
+ char *buf;
+ size_t alloc_size, page_size;
+
+ page_size = getpagesize();
+ alloc_size = roundup2(len, page_size) + page_size;
+
+ buf = mmap(NULL, alloc_size, PROT_READ | PROT_WRITE, MAP_ANON, -1, 0);
+ ATF_CHECK(buf);
+ if (guard_at_end) {
+ ATF_CHECK(munmap(buf + alloc_size - page_size, page_size) == 0);
+ return (buf + alloc_size - page_size - len);
+ } else {
+ ATF_CHECK(munmap(buf, page_size) == 0);
+ return (buf + page_size);
+ }
+}
+
+static void
+test_wcsnlen(const wchar_t *s)
+{
+ wchar_t *s1;
+ size_t size, len, bufsize;
+ int i;
+
+ size = wcslen(s) + 1;
+ for (i = 0; i <= 1; i++) {
+ for (bufsize = 0; bufsize <= size + 10; bufsize++) {
+ s1 = makebuf(bufsize * sizeof(wchar_t), i);
+ wmemcpy(s1, s, bufsize <= size ? bufsize : size);
+ len = (size > bufsize) ? bufsize : size - 1;
+ ATF_CHECK(wcsnlen(s1, bufsize) == len);
+ }
+ }
+}
+
+ATF_TC_WITHOUT_HEAD(nul);
+ATF_TC_BODY(nul, tc)
+{
+
+ test_wcsnlen(L"");
+}
+
+ATF_TC_WITHOUT_HEAD(foo);
+ATF_TC_BODY(foo, tc)
+{
+
+ test_wcsnlen(L"foo");
+}
+
+ATF_TC_WITHOUT_HEAD(glorp);
+ATF_TC_BODY(glorp, tc)
+{
+
+ test_wcsnlen(L"glorp");
+}
+
+ATF_TP_ADD_TCS(tp)
+{
+
+ ATF_TP_ADD_TC(tp, nul);
+ ATF_TP_ADD_TC(tp, foo);
+ ATF_TP_ADD_TC(tp, glorp);
+
+ return (atf_no_error());
+}