mirror of https://git.tukaani.org/xz.git
Add a separate internal function to initialize the CRC32
table, which is used also by LZ encoder. This was needed because calling lzma_crc32() and ignoring the result is a no-op due to lzma_attr_pure.
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parent
ae1ad9af54
commit
0e27028d74
src/liblzma
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@ -61,6 +61,7 @@ typedef struct {
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/// the array two-dimensional.
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#ifdef HAVE_SMALL
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extern uint32_t lzma_crc32_table[1][256];
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extern void lzma_crc32_init(void);
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#else
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extern const uint32_t lzma_crc32_table[8][256];
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extern const uint64_t lzma_crc64_table[4][256];
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@ -38,10 +38,18 @@ crc32_init(void)
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}
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extern void
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lzma_crc32_init(void)
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{
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mythread_once(crc32_init);
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return;
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}
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extern LZMA_API(uint32_t)
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lzma_crc32(const uint8_t *buf, size_t size, uint32_t crc)
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{
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mythread_once(crc32_init);
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lzma_crc32_init();
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crc = ~crc;
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@ -20,6 +20,7 @@
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#include "lz_encoder.h"
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#include "lz_encoder_hash.h"
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#include "check.h"
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struct lzma_coder_s {
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@ -488,8 +489,7 @@ lzma_lz_encoder_init(lzma_next_coder *next, lzma_allocator *allocator,
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{
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#ifdef HAVE_SMALL
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// We need that the CRC32 table has been initialized.
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// This is enough to do it.
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lzma_crc32(NULL, 0, 0);
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lzma_crc32_init();
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#endif
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// Allocate and initialize the base data structure.
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