1 files changed, 39 insertions, 0 deletions
diff --git a/string/argz-next.c b/string/argz-next.c
new file mode 100644
index 0000000..6149c7e
--- /dev/null
+++ b/string/argz-next.c
@@ -0,0 +1,39 @@
+/* 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)