diff options
Diffstat (limited to 'lib/libc/stdlib/strtoull.c')
| -rw-r--r-- | lib/libc/stdlib/strtoull.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/lib/libc/stdlib/strtoull.c b/lib/libc/stdlib/strtoull.c index ee1e13b7d7c2..16dda0be3971 100644 --- a/lib/libc/stdlib/strtoull.c +++ b/lib/libc/stdlib/strtoull.c @@ -56,7 +56,7 @@ strtouq(nptr, endptr, base) { register const char *s = nptr; register u_quad_t acc; - register int c; + register unsigned char c; register u_quad_t qbase, cutoff; register int neg, any, cutlim; @@ -87,6 +87,8 @@ strtouq(nptr, endptr, base) cutoff = (u_quad_t)UQUAD_MAX / qbase; cutlim = (u_quad_t)UQUAD_MAX % qbase; for (acc = 0, any = 0;; c = *s++) { + if (!isascii(c)) + break; if (isdigit(c)) c -= '0'; else if (isalpha(c)) |