{
const char *orig_src = src;
char *endp, sign;
+ unsigned long date;
- strtoul(src, &endp, 10);
- if (endp == src || *endp != ' ')
+ errno = 0;
+
+ date = strtoul(src, &endp, 10);
+ if (errno || endp == src || *endp != ' ')
return -1;
src = endp + 1;
return -1;
sign = *src;
- strtoul(src + 1, &endp, 10);
- if (endp == src || *endp || (endp - orig_src) >= maxlen)
+ date = strtoul(src + 1, &endp, 10);
+ if (errno || endp == src || *endp || (endp - orig_src) >= maxlen)
return -1;
strcpy(result, orig_src);