fast-import.c: stricter strtoul check, silence compiler warning
Store the return value of strtoul() in order to avoid compiler
warnings on Ubuntu 8.10.
Also check errno after each call, which is the only way to notice
an overflow without making ULONG_MAX an illegal date.
Signed-off-by: Rene Scharfe <rene.scharfe@lsrfire.ath.cx>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
diff --git a/fast-import.c b/fast-import.c
index 171d178..a6bce66 100644
--- a/fast-import.c
+++ b/fast-import.c
@@ -1748,9 +1748,12 @@
{
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;
@@ -1758,8 +1761,8 @@
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);
