diff options
Diffstat (limited to 'lib/libc/stdlib/strtol.c')
-rw-r--r-- | lib/libc/stdlib/strtol.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/lib/libc/stdlib/strtol.c b/lib/libc/stdlib/strtol.c index 1a7f7b3..18e3972 100644 --- a/lib/libc/stdlib/strtol.c +++ b/lib/libc/stdlib/strtol.c @@ -55,7 +55,7 @@ strtol(nptr, endptr, base) { register const char *s = nptr; register unsigned long acc; - register int c; + register unsigned char c; register unsigned long cutoff; register int neg = 0, any, cutlim; @@ -102,6 +102,8 @@ strtol(nptr, endptr, base) cutlim = cutoff % (unsigned long)base; cutoff /= (unsigned long)base; for (acc = 0, any = 0;; c = *s++) { + if (!isascii(c)) + break; if (isdigit(c)) c -= '0'; else if (isalpha(c)) @@ -110,7 +112,7 @@ strtol(nptr, endptr, base) break; if (c >= base) break; - if (any < 0 || acc > cutoff || acc == cutoff && c > cutlim) + if (any < 0 || acc > cutoff || (acc == cutoff && c > cutlim)) any = -1; else { any = 1; |