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Diffstat (limited to 'crypto/kerberosIV/lib/roken/strcollect.c')
-rw-r--r--crypto/kerberosIV/lib/roken/strcollect.c96
1 files changed, 96 insertions, 0 deletions
diff --git a/crypto/kerberosIV/lib/roken/strcollect.c b/crypto/kerberosIV/lib/roken/strcollect.c
new file mode 100644
index 000000000000..a42f9046a714
--- /dev/null
+++ b/crypto/kerberosIV/lib/roken/strcollect.c
@@ -0,0 +1,96 @@
+/*
+ * Copyright (c) 1998, 1999 Kungliga Tekniska Högskolan
+ * (Royal Institute of Technology, Stockholm, Sweden).
+ * 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.
+ *
+ * 3. Neither the name of the Institute nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE 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 INSTITUTE 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.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+RCSID("$Id: strcollect.c,v 1.1.8.1 2000/06/23 04:37:44 assar Exp $");
+#endif
+
+#include <stdarg.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+#include <roken.h>
+
+enum { initial = 10, increment = 5 };
+
+static char **
+sub (char **argv, int i, int argc, va_list *ap)
+{
+ do {
+ if(i == argc) {
+ /* realloc argv */
+ char **tmp = realloc(argv, (argc + increment) * sizeof(*argv));
+ if(tmp == NULL) {
+ free(argv);
+ errno = ENOMEM;
+ return NULL;
+ }
+ argv = tmp;
+ argc += increment;
+ }
+ argv[i++] = va_arg(*ap, char*);
+ } while(argv[i - 1] != NULL);
+ return argv;
+}
+
+/*
+ * return a malloced vector of pointers to the strings in `ap'
+ * terminated by NULL.
+ */
+
+char **
+vstrcollect(va_list *ap)
+{
+ return sub (NULL, 0, 0, ap);
+}
+
+/*
+ *
+ */
+
+char **
+strcollect(char *first, ...)
+{
+ va_list ap;
+ char **ret = malloc (initial * sizeof(char *));
+
+ if (ret == NULL)
+ return ret;
+
+ ret[0] = first;
+ va_start(ap, first);
+ ret = sub (ret, 1, initial, &ap);
+ va_end(ap);
+ return ret;
+}