... to make its behavior the same as C standard (e.g., C99 and C11).

Signed-off-by: Haozhong Zhang <haozhong.zh...@intel.com>
---
Cc: Jan Beulich <jbeul...@suse.com>
Cc: Andrew Cooper <andrew.coop...@citrix.com>
Cc: Ian Jackson <ian.jack...@eu.citrix.com>
Cc: Wei Liu <wei.l...@citrix.com>
---
 tools/firmware/hvmloader/util.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/tools/firmware/hvmloader/util.c b/tools/firmware/hvmloader/util.c
index 0c3f2d24cd..76a61ee052 100644
--- a/tools/firmware/hvmloader/util.c
+++ b/tools/firmware/hvmloader/util.c
@@ -141,9 +141,16 @@ int strcmp(const char *cs, const char *ct)
 int strncmp(const char *s1, const char *s2, uint32_t n)
 {
     uint32_t ctr;
+
     for (ctr = 0; ctr < n; ctr++)
+    {
         if (s1[ctr] != s2[ctr])
             return (int)(s1[ctr] - s2[ctr]);
+
+        if (!s1[ctr])
+            break;
+    }
+
     return 0;
 }
 
-- 
2.15.1


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