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-rw-r--r--string/argz-create.c53
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diff --git a/string/argz-create.c b/string/argz-create.c
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+/* Routines for dealing with '\0' separated arg vectors.
+
+ Copyright (C) 1995, 1996 Free Software Foundation, Inc.
+
+ Written by Miles Bader <miles@gnu.ai.mit.edu>
+
+ This program is free software; you can redistribute it and/or
+ modify it under the terms of the GNU General Public License as
+ published by the Free Software Foundation; either version 2, or (at
+ your option) any later version.
+
+ This program is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
+
+#include <argz.h>
+#include <stdlib.h>
+#include <string.h>
+
+/* Make a '\0' separated arg vector from a unix argv vector, returning it in
+ ARGZ, and the total length in LEN. If a memory allocation error occurs,
+ ENOMEM is returned, otherwise 0. */
+error_t
+__argz_create (char **argv, char **argz, size_t *len)
+{
+ int argc;
+ size_t tlen = 0;
+ char *p, **ap;
+
+ for (argc = 0; argv[argc] != NULL; ++argc)
+ tlen += strlen (argv[argc]);
+
+ if (tlen == 0)
+ *argz = NULL;
+ else
+ {
+ *argz = malloc(tlen);
+ if (*argz == NULL)
+ return ENOMEM;
+
+ for (p = *argz, ap = argv; *ap; ++ap, ++p)
+ p = __stpcpy (p, *ap);
+ }
+ *len = tlen;
+
+ return 0;
+}
+weak_alias (__argz_create, argz_create)