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Simplify strchrnul() compat code

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strchrnul() was introduced in glibc in April 1999 and included in
glibc-2.1. Checking for that version means the majority of all git
users would get to use the optimized version in glibc. Of the
remaining few some might get to use a slightly slower version
than necessary but probably not slower than what we have today.

Unfortunately, __GLIBC_PREREQ() macro was not available in glibc 2.1.1
which was short lived but already supported strchrnul().  Odd minority
users of that library needs to live with our compatibility inline version.

Rediffed-against-next-by: Rene Scharfe <rene.scharfe@lsrfire.ath.cx>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Andreas Ericsson
2007-11-10 12:55:48 +01:00
committed by Junio C Hamano
parent b9c6232138
commit 9e79f00f06
3 changed files with 7 additions and 23 deletions
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9
git-compat-util.h
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@ -183,9 +183,14 @@ void *gitmemmem(const void *haystack, size_t haystacklen,
const void *needle, size_t needlelen);
#endif
#ifdef NO_STRCHRNUL
#if !defined(__GLIBC_PREREQ) && !__GLIBC_PREREQ(2, 1)
#define strchrnul gitstrchrnul
char *gitstrchrnul(const char *s, int c);
static inline char *gitstrchrnul(const char *s, int c)
{
while (*s && *s != c)
s++;
return (char *)s;
}
#endif
extern void release_pack_memory(size_t, int);