ui: don't g_assert() in get_args_as_string(), but return empty string for no arguments case.

Rework e861a112103ed4d1f2fa153932bcf86f120e3907 by returning empty string.
g_assert() seems to be not understand by clang scan.

Change-Id: Iade2d81aa22eecf563a465cb86e694e3e0f853df
Reviewed-on: https://code.wireshark.org/review/25441
Reviewed-by: Dario Lombardo <lomato@gmail.com>
Petri-Dish: Dario Lombardo <lomato@gmail.com>
Tested-by: Petri Dish Buildbot
Reviewed-by: Anders Broman <a.broman58@gmail.com>

1 files changed, 6 insertions, 3 deletions

diff --git a/ui/util.c b/ui/util.c
index 03b581816e..e7cd1bcadb 100644
--- a/ui/util.c
+++ b/ui/util.c
@@ -53,9 +53,6 @@ get_args_as_string(int argc, char **argv, int optindex)
     int i;
     char *argstring;
 
-    /* We don't allow a null-list call */
-    g_assert(argc - optindex > 0);
-
     /*
      * Find out how long the string will be.
      */
@@ -66,6 +63,12 @@ get_args_as_string(int argc, char **argv, int optindex)
     }
 
     /*
+     * If no arguments, return empty string
+     */
+    if (len == 0)
+        return g_strdup("");
+
+    /*
      * Allocate the buffer for the string.
      */
     argstring = (char *)g_malloc(len);