build: move argp-standalone into contrib/ directory

Change-Id: Iedcddf95c3577da644c0aebbb297b04c93f1b6fe
BUG: 1081274
Signed-off-by: Harshavardhana <harsha@harshavardhana.net>
Reviewed-on: http://review.gluster.org/7352
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Anand Avati <avati@redhat.com>

1 files changed, 23 insertions, 0 deletions

diff --git a/contrib/argp-standalone/strchrnul.c b/contrib/argp-standalone/strchrnul.c
new file mode 100644
index 000000000..ee4145e4e
--- /dev/null
+++ b/contrib/argp-standalone/strchrnul.c
@@ -0,0 +1,23 @@
+/* strchrnul.c
+ *
+ */
+
+/* Written by Niels Möller <nisse@lysator.liu.se>
+ *
+ * This file is hereby placed in the public domain.
+ */
+
+/* FIXME: What is this function supposed to do? My guess is that it is
+ * like strchr, but returns a pointer to the NUL character, not a NULL
+ * pointer, if the character isn't found. */
+
+char *strchrnul(const char *, int );
+
+char *strchrnul(const char *s, int c)
+{
+  const char *p = s;
+  while (*p && (*p != c))
+    p++;
+
+  return (char *) p;
+}