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Some optimisation for searcvhes in strings

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git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@38517 72102866-910b-0410-8b05-ffd578937521
This commit is contained in:
rfm 2015-05-22 08:34:36 +00:00
parent f16c6921b2
commit 6e221b78a0
2 changed files with 63 additions and 34 deletions
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23
Source/GSPrivate.h
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@ -110,14 +110,28 @@ __attribute__((unused)) static void GSFreeTempBuffer(void **b)
_base = malloc((S) * sizeof(T));\
P = _base;\
}
# define GS_BEGINITEMBUF2(P, S, T) { \
T _ibuf2[GS_MAX_OBJECTS_FROM_STACK];\
T *P = _ibuf2;\
__attribute__((cleanup(GSFreeTempBuffer))) void *_base2 = 0;\
if (S > GS_MAX_OBJECTS_FROM_STACK)\
{\
_base2 = malloc((S) * sizeof(T));\
P = _base2;\
}
#else
/* Make minimum size of _ibuf 1 to avoid compiler warnings.
*/
# define GS_BEGINITEMBUF(P, S, T) { \
T _ibuf[(S) > 0 && (S) <= GS_MAX_OBJECTS_FROM_STACK ? (S) : 1]; \
T *_base = ((S) <= GS_MAX_OBJECTS_FROM_STACK) ? _ibuf \
: (T*)NSZoneMalloc(NSDefaultMallocZone(), (S) * sizeof(T)); \
: (T*)malloc((S) * sizeof(T)); \
T *(P) = _base;
# define GS_BEGINITEMBUF2(P, S, T) { \
T _ibuf2[(S) > 0 && (S) <= GS_MAX_OBJECTS_FROM_STACK ? (S) : 1]; \
T *_base2 = ((S) <= GS_MAX_OBJECTS_FROM_STACK) ? _ibuf2 \
: (T*)malloc((S) * sizeof(T)); \
T *(P) = _base2;
#endif
/**
@ -127,10 +141,15 @@ __attribute__((unused)) static void GSFreeTempBuffer(void **b)
*/
#if __GNUC__ > 3 && !defined(__clang__)
# define GS_ENDITEMBUF() }
# define GS_ENDITEMBUF2() }
#else
# define GS_ENDITEMBUF() \
if (_base != _ibuf) \
NSZoneFree(NSDefaultMallocZone(), _base); \
free(_base); \
}
# define GS_ENDITEMBUF2() \
if (_base2 != _ibuf2) \
free(_base2); \
}
#endif