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| author | René Scharfe <l.s.r@web.de> | 2017-04-19 00:57:42 +0300 |
|---|---|---|
| committer | Junio C Hamano <gitster@pobox.com> | 2017-04-19 05:57:41 +0300 |
| commit | da25bdb7766c01665500cf7c7b75e76ea1f28b49 (patch) | |
| tree | 0130260984ed75f313cacb0fb1c452ce6f47dcf1 /git-compat-util.h | |
| parent | c3808ca6982b0ad7ee9b87eca9b50b9a24ec08b0 (diff) | |
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 'git-compat-util.h')
| -rw-r--r-- | git-compat-util.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/git-compat-util.h b/git-compat-util.h index d89a78616b..1f1e82407e 100644 --- a/git-compat-util.h +++ b/git-compat-util.h @@ -878,6 +878,10 @@ static inline size_t xsize_t(off_t len) __attribute__((format (printf, 3, 4))) extern int xsnprintf(char *dst, size_t max, const char *fmt, ...); +#ifndef HOST_NAME_MAX +#define HOST_NAME_MAX 256 +#endif + /* in ctype.c, for kwset users */ extern const unsigned char tolower_trans_tbl[256]; |