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inline xalloc_flex() into FLEXPTR_ALLOC_MEM

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Allocate and copy directly in FLEXPTR_ALLOC_MEM and remove the now
unused helper function xalloc_flex().  The resulting code is shorter
and the offset arithmetic is a bit simpler.

Suggested-by: Jeff King <peff@peff.net>
Signed-off-by: Rene Scharfe <l.s.r@web.de>
Reviewed-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
René Scharfe 2016-10-16 12:06:02 +02:00 committed by Junio C Hamano
parent e9451782cf
commit 0ac52a38e8
1 changed files with 3 additions and 9 deletions
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12
git-compat-util.h
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@ -820,7 +820,9 @@ extern FILE *fopen_for_writing(const char *path);
memcpy((void *)(x)->flexname, (buf), flex_array_len_); \
} while (0)
#define FLEXPTR_ALLOC_MEM(x, ptrname, buf, len) do { \
(x) = xalloc_flex(sizeof(*(x)), sizeof(*(x)), (buf), (len)); \
size_t flex_array_len_ = (len); \
(x) = xcalloc(1, st_add3(sizeof(*(x)), flex_array_len_, 1)); \
memcpy((x) + 1, (buf), flex_array_len_); \
(x)->ptrname = (void *)((x)+1); \
} while(0)
#define FLEX_ALLOC_STR(x, flexname, str) \
@ -828,14 +830,6 @@ extern FILE *fopen_for_writing(const char *path);
#define FLEXPTR_ALLOC_STR(x, ptrname, str) \
FLEXPTR_ALLOC_MEM((x), ptrname, (str), strlen(str))
static inline void *xalloc_flex(size_t base_len, size_t offset,
const void *src, size_t src_len)
{
unsigned char *ret = xcalloc(1, st_add3(base_len, src_len, 1));
memcpy(ret + offset, src, src_len);
return ret;
}
static inline char *xstrdup_or_null(const char *str)
{
return str ? xstrdup(str) : NULL;