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Diffstat (limited to 'src/ctype/isupper.c')
| -rw-r--r-- | src/ctype/isupper.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/src/ctype/isupper.c b/src/ctype/isupper.c index b188dc28..28d1791f 100644 --- a/src/ctype/isupper.c +++ b/src/ctype/isupper.c @@ -8,6 +8,7 @@ int isupper(int c) { unsigned int *map = __get_locale()->lc_ctype.ctattr; + SIGNAL_SAFE(0); ASSERT_REPRESENTABLE(c, 0, UCHAR_MAX, unsigned char, EOF); return c == EOF ? 0 : map[c] & CT_UPPER; |