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imporved support for Z_FINISH

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This commit is contained in:
inikep
2016-09-19 13:24:07 +02:00
parent 8fc5848bcb
commit e46bad0b2c
1 changed files with 4 additions and 12 deletions
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16
zlibWrapper/zstd_zlibwrapper.c
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@ -78,7 +78,6 @@ static void ZWRAP_freeFunction(void* opaque, void* address)
typedef struct {
ZSTD_CStream* zbc;
size_t bytesLeft;
int compressionLevel;
ZSTD_customMem customMem;
z_stream allocFunc; /* copy of zalloc, zfree, opaque */
@ -225,21 +224,15 @@ ZEXTERN int ZEXPORT z_deflate OF((z_streamp strm, int flush))
zwc->outBuffer.dst = strm->next_out;
zwc->outBuffer.size = strm->avail_out;
zwc->outBuffer.pos = 0;
if (zwc->bytesLeft) {
bytesLeft = ZSTD_flushStream(zwc->zbc, &zwc->outBuffer);
LOG_WRAPPER("ZSTD_flushStream dstCapacity=%d bytesLeft=%d\n", (int)strm->avail_out, (int)bytesLeft);
} else {
bytesLeft = ZSTD_endStream(zwc->zbc, &zwc->outBuffer);
LOG_WRAPPER("ZSTD_endStream dstCapacity=%d bytesLeft=%d\n", (int)strm->avail_out, (int)bytesLeft);
}
bytesLeft = ZSTD_endStream(zwc->zbc, &zwc->outBuffer);
LOG_WRAPPER("ZSTD_endStream dstCapacity=%d bytesLeft=%d\n", (int)strm->avail_out, (int)bytesLeft);
if (ZSTD_isError(bytesLeft)) return Z_MEM_ERROR;
strm->next_out += zwc->outBuffer.pos;
strm->total_out += zwc->outBuffer.pos;
strm->avail_out -= zwc->outBuffer.pos;
if (flush == Z_FINISH && bytesLeft == 0) return Z_STREAM_END;
zwc->bytesLeft = bytesLeft;
if (bytesLeft == 0) return Z_STREAM_END;
}
else
if (flush == Z_SYNC_FLUSH) {
size_t bytesLeft;
zwc->outBuffer.dst = strm->next_out;
@ -251,7 +244,6 @@ ZEXTERN int ZEXPORT z_deflate OF((z_streamp strm, int flush))
strm->next_out += zwc->outBuffer.pos;
strm->total_out += zwc->outBuffer.pos;
strm->avail_out -= zwc->outBuffer.pos;
zwc->bytesLeft = bytesLeft;
}
return Z_OK;
}