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authorcvs2svn <cvs2svn@FreeBSD.org>2008-04-10 00:12:45 +0000
committercvs2svn <cvs2svn@FreeBSD.org>2008-04-10 00:12:45 +0000
commit38172a7edb3744a25aac5970360fa29a5c87ea8d (patch)
tree7a306048268c24a145ef692cbc6a3ae0475f16f0 /lib/libc
parent28bbcca937f3635b4ca27a93ae0b58628f318632 (diff)
Notes
Diffstat (limited to 'lib/libc')
-rw-r--r--lib/libc/string/memrchr.c40
-rw-r--r--lib/libc/sys/fcntl.c87
2 files changed, 127 insertions, 0 deletions
diff --git a/lib/libc/string/memrchr.c b/lib/libc/string/memrchr.c
new file mode 100644
index 000000000000..f477bc356491
--- /dev/null
+++ b/lib/libc/string/memrchr.c
@@ -0,0 +1,40 @@
+/* $OpenBSD: memrchr.c,v 1.2 2007/11/27 16:22:12 martynas Exp $ */
+
+/*
+ * Copyright (c) 2007 Todd C. Miller <Todd.Miller@courtesan.com>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * $FreeBSD$
+ */
+
+#include <string.h>
+
+/*
+ * Reverse memchr()
+ * Find the last occurrence of 'c' in the buffer 's' of size 'n'.
+ */
+void *
+memrchr(const void *s, int c, size_t n)
+{
+ const unsigned char *cp;
+
+ if (n != 0) {
+ cp = (unsigned char *)s + n;
+ do {
+ if (*(--cp) == (unsigned char)c)
+ return((void *)cp);
+ } while (--n != 0);
+ }
+ return(NULL);
+}
diff --git a/lib/libc/sys/fcntl.c b/lib/libc/sys/fcntl.c
new file mode 100644
index 000000000000..6c367abcb763
--- /dev/null
+++ b/lib/libc/sys/fcntl.c
@@ -0,0 +1,87 @@
+/*-
+ * Copyright (c) 2008 Isilon Inc http://www.isilon.com/
+ * Authors: Doug Rabson <dfr@rabson.org>
+ * Developed with Red Inc: Alfred Perlstein <alfred@freebsd.org>
+ *
+ * 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>
+__FBSDID("$FreeBSD$");
+
+#include <fcntl.h>
+#include <stdarg.h>
+#include <sys/types.h>
+#include <sys/syscall.h>
+#include "libc_private.h"
+
+int
+fcntl(int fd, int cmd, ...)
+{
+ va_list args;
+ long arg;
+ struct oflock ofl;
+ struct flock *flp;
+ int res;
+
+ va_start(args, cmd);
+ arg = va_arg(args, long);
+ va_end(args);
+
+ if (__getosreldate() >= 800028) {
+ return (__sys_fcntl(fd, cmd, arg));
+ } else {
+ if (cmd == F_GETLK || cmd == F_SETLK || cmd == F_SETLKW) {
+ /*
+ * Convert new-style struct flock (which
+ * includes l_sysid) to old-style.
+ */
+ flp = (struct flock *) (uintptr_t) arg;
+ ofl.l_start = flp->l_start;
+ ofl.l_len = flp->l_len;
+ ofl.l_pid = flp->l_pid;
+ ofl.l_type = flp->l_type;
+ ofl.l_whence = flp->l_whence;
+
+ switch (cmd) {
+ case F_GETLK:
+ res = __sys_fcntl(fd, F_OGETLK, &ofl);
+ if (res >= 0) {
+ flp->l_start = ofl.l_start;
+ flp->l_len = ofl.l_len;
+ flp->l_pid = ofl.l_pid;
+ flp->l_type = ofl.l_type;
+ flp->l_whence = ofl.l_whence;
+ flp->l_sysid = 0;
+ }
+ return (res);
+
+ case F_SETLK:
+ return (__sys_fcntl(fd, F_OSETLK, &ofl));
+
+ case F_SETLKW:
+ return (__sys_fcntl(fd, F_OSETLKW, &ofl));
+ }
+ }
+ return (__sys_fcntl(fd, cmd, arg));
+ }
+}