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-rw-r--r--lib/string.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/string.c b/lib/string.c
index 7548eb715ddb..77bd0b1d3296 100644
--- a/lib/string.c
+++ b/lib/string.c
@@ -977,7 +977,7 @@ void *memscan(void *addr, int c, size_t size)
unsigned char *p = addr;
while (size) {
- if (*p == c)
+ if (*p == (unsigned char)c)
return (void *)p;
p++;
size--;