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-rw-r--r--lib/strftime.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/strftime.c b/lib/strftime.c
index 8085a5992..78a963b42 100644
--- a/lib/strftime.c
+++ b/lib/strftime.c
@@ -776,6 +776,7 @@ my_strftime (CHAR_T *s, size_t maxsize, const CHAR_T *format,
*u++ = modifier;
*u++ = format_char;
*u = '\0';
+ ubuf[0] = '\1';
len = strftime (ubuf, sizeof ubuf, ufmt, tp);
if (len == 0 && ubuf[0] != '\0')
return 0;