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removed defaultCustomMem

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now ZSTD_customCMem is promoted as new default.

Advantages : ZSTD_customCMem = { NULL, NULL, NULL},
so it's natural default after a memset.

ZSTD_customCMem is public constant
(defaultCustomMem was private only).

Also : makes it possible to introduce ZSTD_calloc(),
which can now default to stdlib's calloc()
when it detects system default.

Fixed zlibwrapper which depended on defaultCustomMem.
This commit is contained in:
Yann Collet
2017-05-30 17:11:39 -07:00
parent 5bcef1ada2
commit ae728a43b8
6 changed files with 16 additions and 43 deletions
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11
zlibWrapper/zstd_zlibwrapper.c
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@ -8,6 +8,7 @@
*/
#include <stdlib.h>
#include <stdio.h> /* vsprintf */
#include <stdarg.h> /* va_list, for z_gzprintf */
#define NO_DUMMY_DECL
@ -117,10 +118,8 @@ ZWRAP_CCtx* ZWRAP_createCCtx(z_streamp strm)
memcpy(&zwc->customMem, &ZWRAP_customMem, sizeof(ZSTD_customMem));
}
} else {
zwc = (ZWRAP_CCtx*)defaultCustomMem.customAlloc(defaultCustomMem.opaque, sizeof(ZWRAP_CCtx));
zwc = (ZWRAP_CCtx*)calloc(1, sizeof(*zwc));
if (zwc==NULL) return NULL;
memset(zwc, 0, sizeof(ZWRAP_CCtx));
memcpy(&zwc->customMem, &defaultCustomMem, sizeof(ZSTD_customMem));
}
return zwc;
@ -219,7 +218,7 @@ int ZWRAP_deflateReset_keepDict(z_streamp strm)
return deflateReset(strm);
{ ZWRAP_CCtx* zwc = (ZWRAP_CCtx*) strm->state;
if (zwc) {
if (zwc) {
zwc->streamEnd = 0;
zwc->totalInBytes = 0;
}
@ -459,10 +458,8 @@ ZWRAP_DCtx* ZWRAP_createDCtx(z_streamp strm)
memcpy(&zwd->customMem, &ZWRAP_customMem, sizeof(ZSTD_customMem));
}
} else {
zwd = (ZWRAP_DCtx*)defaultCustomMem.customAlloc(defaultCustomMem.opaque, sizeof(ZWRAP_DCtx));
zwd = (ZWRAP_DCtx*)calloc(1, sizeof(*zwd));
if (zwd==NULL) return NULL;
memset(zwd, 0, sizeof(ZWRAP_DCtx));
memcpy(&zwd->customMem, &defaultCustomMem, sizeof(ZSTD_customMem));
}
MEM_STATIC_ASSERT(sizeof(zwd->headerBuf) >= ZSTD_FRAMEHEADERSIZE_MIN); /* if compilation fails here, assertion is false */