From 87c80b842cdec8c358efad40a1ff672dd839d26d Mon Sep 17 00:00:00 2001
From: h_vogt <h_vogt>
Date: Thu, 19 Jul 2012 23:16:15 +0200
Subject: [PATCH] gettok_char(), return(NULL) if substring not found

---
 src/misc/string.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/misc/string.c b/src/misc/string.c
index 634ef409c..08249dd47 100644
--- a/src/misc/string.c
+++ b/src/misc/string.c
@@ -361,7 +361,8 @@ gettok_instance(char **s)
 }
 
 /* get the next token starting at next non white spice, stopping
-   at p, if inc_p is true, then including p, else excluding p
+   at p, if inc_p is true, then including p, else excluding p,
+   return NULL if p is not found
 */
 char *
 gettok_char(char **s, char p, bool inc_p)
@@ -382,6 +383,9 @@ gettok_char(char **s, char p, bool inc_p)
         )  {
         spice_dstring_append_char( &buf, *(*s)++ ) ;
     }
+    if (c == '\0')
+        /* p not found */
+        return (NULL);
     if (inc_p)
         spice_dstring_append_char( &buf, *(*s)++ ) ;