[Libguestfs] [PATCH] utils: make guestfs_int_count_strings return 0 on NULL input

Maros Zatko mzatko at redhat.com
Tue May 24 16:20:43 UTC 2016


Make guestfs_int_count_strings a bit more robust and usefull with NULL
initialized variables.
---
 src/utils.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/utils.c b/src/utils.c
index f099a22..3639e92 100644
--- a/src/utils.c
+++ b/src/utils.c
@@ -55,6 +55,9 @@ guestfs_int_count_strings (char *const *argv)
 {
   size_t r;
 
+  if (argv == NULL)
+    return 0;
+
   for (r = 0; argv[r]; ++r)
     ;
 
-- 
2.5.5




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