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-rw-r--r--string/argz-next.c39
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diff --git a/string/argz-next.c b/string/argz-next.c
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+/* Iterate through the elements of an argz block.
+ 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 <string.h>
+
+char *
+__argz_next (char *argz, size_t argz_len, const char *entry)
+{
+ if (entry)
+ {
+ if (entry < argz + argz_len)
+ entry = strchr (entry, '\0') + 1;
+
+ return entry >= argz + argz_len ? NULL : entry;
+ }
+ else
+ if (argz_len > 0)
+ return argz;
+ else
+ return NULL;
+}
+weak_alias (__argz_next, argz_next)