[PATCH] use labs() for variables of type long instead of abs()

[René Scharfe]

Using abs() on long values can cause truncation, so use labs() instead.
Reported by Clang 3.5 (-Wabsolute-value, enabled by -Wall).

Signed-off-by: Rene Scharfe <l....@web.de>
---
 builtin/receive-pack.c | 2 +-
 config.c               | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/builtin/receive-pack.c b/builtin/receive-pack.c
index 32fc540..e908d07 100644
--- a/builtin/receive-pack.c
+++ b/builtin/receive-pack.c
@@ -431,7 +431,7 @@ static const char *check_nonce(const char *buf, size_t len)
        nonce_stamp_slop = (long)ostamp - (long)stamp;
 
        if (nonce_stamp_slop_limit &&
-           abs(nonce_stamp_slop) <= nonce_stamp_slop_limit) {
+           labs(nonce_stamp_slop) <= nonce_stamp_slop_limit) {
                /*
                 * Pretend as if the received nonce (which passes the
                 * HMAC check, so it is not a forged by third-party)
diff --git a/config.c b/config.c
index 15a2983..ae1398f 100644
--- a/config.c
+++ b/config.c
@@ -506,9 +506,9 @@ static int git_parse_signed(const char *value, intmax_t 
*ret, intmax_t max)
                        errno = EINVAL;
                        return 0;
                }
-               uval = abs(val);
+               uval = labs(val);
                uval *= factor;
-               if (uval > max || abs(val) > uval) {
+               if (uval > max || labs(val) > uval) {
                        errno = ERANGE;
                        return 0;
                }
-- 
2.1.3

--
To unsubscribe from this list: send the line "unsubscribe git" in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html