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-rw-r--r--ext/standard/pack.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/ext/standard/pack.c b/ext/standard/pack.c
index f088890a59..85b2acda74 100644
--- a/ext/standard/pack.c
+++ b/ext/standard/pack.c
@@ -55,7 +55,7 @@
#endif
#define INC_OUTPUTPOS(a,b) \
- if ((a) < 0 || ((INT_MAX - outputpos)/(b)) < (a)) { \
+ if ((a) < 0 || ((INT_MAX - outputpos)/((int)b)) < (a)) { \
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Type %c: integer overflow in format string", code); \
RETURN_FALSE; \
} \