cli: add a simplistic option parser, convert "mode script" to "--mode=script"

Signed-off-by: Csaba Henk <csaba@gluster.com>
Signed-off-by: Vijay Bellur <vijay@dev.gluster.com>

BUG: 1570 (geosync related changes)
URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=1570

1 files changed, 13 insertions, 0 deletions

diff --git a/libglusterfs/src/common-utils.c b/libglusterfs/src/common-utils.c
index f3386fe2b..022fdf355 100644
--- a/libglusterfs/src/common-utils.c
+++ b/libglusterfs/src/common-utils.c
@@ -1548,3 +1548,16 @@ out:
 
         return ret;
 }
+
+char *
+strtail (char *str, const char *pattern)
+{
+        int i = 0;
+
+        for (i = 0; str[i] == pattern[i] && str[i]; i++);
+
+        if (pattern[i] == '\0')
+                return str + i;
+
+        return NULL;
+}