diff options
Diffstat (limited to 'lib/libc/stdlib/strtoul.c')
| -rw-r--r-- | lib/libc/stdlib/strtoul.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/lib/libc/stdlib/strtoul.c b/lib/libc/stdlib/strtoul.c index 2146a98b8ac0..a8e37364101b 100644 --- a/lib/libc/stdlib/strtoul.c +++ b/lib/libc/stdlib/strtoul.c @@ -73,7 +73,11 @@ strtoul(const char * __restrict nptr, char ** __restrict endptr, int base) c = *s++; } if ((base == 0 || base == 16) && - c == '0' && (*s == 'x' || *s == 'X')) { + c == '0' && (*s == 'x' || *s == 'X') && + ((s[1] >= 'a' && s[1] <= 'f') || + (s[1] >= 'A' && s[1] <= 'F') || + (s[1] >= '0' && s[1] <= '9')) + ) { c = s[1]; s += 2; base = 16; |