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-rw-r--r--mysys/mf_iocache2.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/mysys/mf_iocache2.c b/mysys/mf_iocache2.c
index 127bf20e8fe..147850a10bc 100644
--- a/mysys/mf_iocache2.c
+++ b/mysys/mf_iocache2.c
@@ -249,7 +249,7 @@ uint my_b_vprintf(IO_CACHE *info, const char* fmt, va_list args)
/* Found one '%' */
}
/* Skipp if max size is used (to be compatible with printf) */
- while (isdigit(*fmt) || *fmt == '.' || *fmt == '-')
+ while (my_isdigit(system_charset_info, *fmt) || *fmt == '.' || *fmt == '-')
fmt++;
if (*fmt == 's') /* String parameter */
{