summaryrefslogtreecommitdiff
path: root/builtin/receive-pack.c
diff options
context:
space:
mode:
authorRené Scharfe <l.s.r@web.de>2017-04-18 21:57:42 (GMT)
committerJunio C Hamano <gitster@pobox.com>2017-04-19 02:57:41 (GMT)
commitda25bdb7766c01665500cf7c7b75e76ea1f28b49 (patch)
tree0130260984ed75f313cacb0fb1c452ce6f47dcf1 /builtin/receive-pack.c
parentc3808ca6982b0ad7ee9b87eca9b50b9a24ec08b0 (diff)
downloadgit-da25bdb7766c01665500cf7c7b75e76ea1f28b49.zip
git-da25bdb7766c01665500cf7c7b75e76ea1f28b49.tar.gz
git-da25bdb7766c01665500cf7c7b75e76ea1f28b49.tar.bz2
use HOST_NAME_MAX to size buffers for gethostname(2)
POSIX limits the length of host names to HOST_NAME_MAX. Export the fallback definition from daemon.c and use this constant to make all buffers used with gethostname(2) big enough for any possible result and a terminating NUL. Inspired-by: David Turner <dturner@twosigma.com> Signed-off-by: Rene Scharfe <l.s.r@web.de> Signed-off-by: David Turner <dturner@twosigma.com> Reviewed-by: Jonathan Nieder <jrnieder@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
Diffstat (limited to 'builtin/receive-pack.c')
-rw-r--r--builtin/receive-pack.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/builtin/receive-pack.c b/builtin/receive-pack.c
index 011db00..3ca8ebe 100644
--- a/builtin/receive-pack.c
+++ b/builtin/receive-pack.c
@@ -1655,7 +1655,7 @@ static const char *unpack(int err_fd, struct shallow_info *si)
if (status)
return "unpack-objects abnormal exit";
} else {
- char hostname[256];
+ char hostname[HOST_NAME_MAX + 1];
argv_array_pushl(&child.args, "index-pack",
"--stdin", hdr_arg, NULL);