bzip2: move state pointer to the offset 0 (smaller code)
ifdef out DecompressEnd if FEATURE_CLEAN_UP is not seleted fallbackSort 1655 1672 +17 mainSort 2447 2458 +11 bzip2_main 109 119 +10 .rodata 123466 123469 +3 generateMTFValues 433 435 +2 handle_compress 355 356 +1 BZ2_bzCompress 79 78 -1 prepare_new_block 55 48 -7 compressStream 547 503 -44 sendMTFValues 2225 2140 -85 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 6/4 up/down: 44/-137) Total: -93 bytes text data bss dec hex filename 676421 2538 12104 691063 a8b77 busybox_old 676328 2538 12104 690970 a8b1a busybox_unstripped
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@ -363,6 +363,7 @@ case_BZ_M_FLUSHING:
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/*---------------------------------------------------*/
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#if ENABLE_FEATURE_CLEAN_UP
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static
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void BZ2_bzCompressEnd(bz_stream *strm)
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{
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@ -375,6 +376,7 @@ void BZ2_bzCompressEnd(bz_stream *strm)
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free(s->crc32table);
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free(strm->state);
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}
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#endif
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/*---------------------------------------------------*/
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@ -43,20 +43,22 @@ in the file LICENSE.
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#define BZ_CONFIG_ERROR (-9)
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typedef struct bz_stream {
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void *state;
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char *next_in;
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char *next_out;
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unsigned avail_in;
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unsigned avail_out;
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/*unsigned long long total_in;*/
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unsigned long long total_out;
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void *state;
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} bz_stream;
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/*-- Core (low-level) library functions --*/
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static void BZ2_bzCompressInit(bz_stream *strm, int blockSize100k);
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static int BZ2_bzCompress(bz_stream *strm, int action);
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#if ENABLE_FEATURE_CLEAN_UP
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static void BZ2_bzCompressEnd(bz_stream *strm);
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#endif
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/*-------------------------------------------------------------*/
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/*--- end bzlib.h ---*/
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@ -116,7 +116,9 @@ USE_DESKTOP(long long) int bz_write_tail(bz_stream *strm, void *wbuf)
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total = 0 USE_DESKTOP( + strm->total_out );
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err:
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#if ENABLE_FEATURE_CLEAN_UP
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BZ2_bzCompressEnd(strm);
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#endif
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return total;
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}
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