mirror of
https://github.com/eledio-devices/thirdparty-miniz.git
synced 2025-10-31 00:32:38 +01:00
Add vogl .clang-format and reformat library source.
This commit is contained in:
Matthew Sitton
602
miniz.c
602
miniz.c
@@ -1,392 +1,474 @@
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#include "miniz.h"
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typedef unsigned char mz_validate_uint16[sizeof(mz_uint16)==2 ? 1 : -1];
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typedef unsigned char mz_validate_uint32[sizeof(mz_uint32)==4 ? 1 : -1];
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typedef unsigned char mz_validate_uint64[sizeof(mz_uint64)==8 ? 1 : -1];
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typedef unsigned char mz_validate_uint16[sizeof(mz_uint16) == 2 ? 1 : -1];
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typedef unsigned char mz_validate_uint32[sizeof(mz_uint32) == 4 ? 1 : -1];
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typedef unsigned char mz_validate_uint64[sizeof(mz_uint64) == 8 ? 1 : -1];
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#ifdef __cplusplus
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extern "C" {
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extern "C" {
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#endif
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// ------------------- zlib-style API's
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mz_ulong mz_adler32(mz_ulong adler, const unsigned char *ptr, size_t buf_len)
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{
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mz_uint32 i, s1 = (mz_uint32)(adler & 0xffff), s2 = (mz_uint32)(adler >> 16); size_t block_len = buf_len % 5552;
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if (!ptr) return MZ_ADLER32_INIT;
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while (buf_len) {
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for (i = 0; i + 7 < block_len; i += 8, ptr += 8) {
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s1 += ptr[0], s2 += s1; s1 += ptr[1], s2 += s1; s1 += ptr[2], s2 += s1; s1 += ptr[3], s2 += s1;
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s1 += ptr[4], s2 += s1; s1 += ptr[5], s2 += s1; s1 += ptr[6], s2 += s1; s1 += ptr[7], s2 += s1;
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mz_uint32 i, s1 = (mz_uint32)(adler & 0xffff), s2 = (mz_uint32)(adler >> 16);
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size_t block_len = buf_len % 5552;
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if (!ptr)
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return MZ_ADLER32_INIT;
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while (buf_len)
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{
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for (i = 0; i + 7 < block_len; i += 8, ptr += 8)
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{
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s1 += ptr[0], s2 += s1;
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s1 += ptr[1], s2 += s1;
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s1 += ptr[2], s2 += s1;
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s1 += ptr[3], s2 += s1;
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s1 += ptr[4], s2 += s1;
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s1 += ptr[5], s2 += s1;
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s1 += ptr[6], s2 += s1;
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s1 += ptr[7], s2 += s1;
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}
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for (; i < block_len; ++i)
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s1 += *ptr++, s2 += s1;
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s1 %= 65521U, s2 %= 65521U;
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buf_len -= block_len;
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block_len = 5552;
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}
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for ( ; i < block_len; ++i) s1 += *ptr++, s2 += s1;
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s1 %= 65521U, s2 %= 65521U; buf_len -= block_len; block_len = 5552;
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}
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return (s2 << 16) + s1;
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return (s2 << 16) + s1;
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}
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// Karl Malbrain's compact CRC-32. See "A compact CCITT crc16 and crc32 C implementation that balances processor cache usage against speed": http://www.geocities.com/malbrain/
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mz_ulong mz_crc32(mz_ulong crc, const mz_uint8 *ptr, size_t buf_len)
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{
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static const mz_uint32 s_crc32[16] = { 0, 0x1db71064, 0x3b6e20c8, 0x26d930ac, 0x76dc4190, 0x6b6b51f4, 0x4db26158, 0x5005713c,
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0xedb88320, 0xf00f9344, 0xd6d6a3e8, 0xcb61b38c, 0x9b64c2b0, 0x86d3d2d4, 0xa00ae278, 0xbdbdf21c };
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mz_uint32 crcu32 = (mz_uint32)crc;
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if (!ptr) return MZ_CRC32_INIT;
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crcu32 = ~crcu32; while (buf_len--) { mz_uint8 b = *ptr++; crcu32 = (crcu32 >> 4) ^ s_crc32[(crcu32 & 0xF) ^ (b & 0xF)]; crcu32 = (crcu32 >> 4) ^ s_crc32[(crcu32 & 0xF) ^ (b >> 4)]; }
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return ~crcu32;
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static const mz_uint32 s_crc32[16] = { 0, 0x1db71064, 0x3b6e20c8, 0x26d930ac, 0x76dc4190, 0x6b6b51f4, 0x4db26158, 0x5005713c,
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0xedb88320, 0xf00f9344, 0xd6d6a3e8, 0xcb61b38c, 0x9b64c2b0, 0x86d3d2d4, 0xa00ae278, 0xbdbdf21c };
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mz_uint32 crcu32 = (mz_uint32)crc;
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if (!ptr)
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return MZ_CRC32_INIT;
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crcu32 = ~crcu32;
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while (buf_len--)
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{
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mz_uint8 b = *ptr++;
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crcu32 = (crcu32 >> 4) ^ s_crc32[(crcu32 & 0xF) ^ (b & 0xF)];
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crcu32 = (crcu32 >> 4) ^ s_crc32[(crcu32 & 0xF) ^ (b >> 4)];
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}
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return ~crcu32;
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}
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void mz_free(void *p)
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{
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MZ_FREE(p);
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MZ_FREE(p);
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}
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#ifndef MINIZ_NO_ZLIB_APIS
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void *miniz_def_alloc_func(void *opaque, size_t items, size_t size) { (void)opaque, (void)items, (void)size; return MZ_MALLOC(items * size); }
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void miniz_def_free_func(void *opaque, void *address) { (void)opaque, (void)address; MZ_FREE(address); }
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void *miniz_def_realloc_func(void *opaque, void *address, size_t items, size_t size) { (void)opaque, (void)address, (void)items, (void)size; return MZ_REALLOC(address, items * size); }
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void *miniz_def_alloc_func(void *opaque, size_t items, size_t size)
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{
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(void)opaque, (void)items, (void)size;
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return MZ_MALLOC(items * size);
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}
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void miniz_def_free_func(void *opaque, void *address)
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{
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(void)opaque, (void)address;
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MZ_FREE(address);
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}
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void *miniz_def_realloc_func(void *opaque, void *address, size_t items, size_t size)
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{
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(void)opaque, (void)address, (void)items, (void)size;
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return MZ_REALLOC(address, items * size);
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}
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const char *mz_version(void)
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{
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return MZ_VERSION;
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return MZ_VERSION;
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}
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int mz_deflateInit(mz_streamp pStream, int level)
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{
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return mz_deflateInit2(pStream, level, MZ_DEFLATED, MZ_DEFAULT_WINDOW_BITS, 9, MZ_DEFAULT_STRATEGY);
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return mz_deflateInit2(pStream, level, MZ_DEFLATED, MZ_DEFAULT_WINDOW_BITS, 9, MZ_DEFAULT_STRATEGY);
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}
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int mz_deflateInit2(mz_streamp pStream, int level, int method, int window_bits, int mem_level, int strategy)
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{
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tdefl_compressor *pComp;
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mz_uint comp_flags = TDEFL_COMPUTE_ADLER32 | tdefl_create_comp_flags_from_zip_params(level, window_bits, strategy);
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tdefl_compressor *pComp;
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mz_uint comp_flags = TDEFL_COMPUTE_ADLER32 | tdefl_create_comp_flags_from_zip_params(level, window_bits, strategy);
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if (!pStream) return MZ_STREAM_ERROR;
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if ((method != MZ_DEFLATED) || ((mem_level < 1) || (mem_level > 9)) || ((window_bits != MZ_DEFAULT_WINDOW_BITS) && (-window_bits != MZ_DEFAULT_WINDOW_BITS))) return MZ_PARAM_ERROR;
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if (!pStream)
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return MZ_STREAM_ERROR;
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if ((method != MZ_DEFLATED) || ((mem_level < 1) || (mem_level > 9)) || ((window_bits != MZ_DEFAULT_WINDOW_BITS) && (-window_bits != MZ_DEFAULT_WINDOW_BITS)))
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return MZ_PARAM_ERROR;
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pStream->data_type = 0;
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pStream->adler = MZ_ADLER32_INIT;
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pStream->msg = NULL;
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pStream->reserved = 0;
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pStream->total_in = 0;
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pStream->total_out = 0;
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if (!pStream->zalloc) pStream->zalloc = miniz_def_alloc_func;
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if (!pStream->zfree) pStream->zfree = miniz_def_free_func;
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pStream->data_type = 0;
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pStream->adler = MZ_ADLER32_INIT;
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pStream->msg = NULL;
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pStream->reserved = 0;
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pStream->total_in = 0;
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pStream->total_out = 0;
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if (!pStream->zalloc)
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pStream->zalloc = miniz_def_alloc_func;
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if (!pStream->zfree)
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pStream->zfree = miniz_def_free_func;
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pComp = (tdefl_compressor *)pStream->zalloc(pStream->opaque, 1, sizeof(tdefl_compressor));
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if (!pComp)
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return MZ_MEM_ERROR;
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pComp = (tdefl_compressor *)pStream->zalloc(pStream->opaque, 1, sizeof(tdefl_compressor));
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if (!pComp)
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return MZ_MEM_ERROR;
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pStream->state = (struct mz_internal_state *)pComp;
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pStream->state = (struct mz_internal_state *)pComp;
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if (tdefl_init(pComp, NULL, NULL, comp_flags) != TDEFL_STATUS_OKAY)
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{
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mz_deflateEnd(pStream);
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return MZ_PARAM_ERROR;
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}
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if (tdefl_init(pComp, NULL, NULL, comp_flags) != TDEFL_STATUS_OKAY)
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{
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mz_deflateEnd(pStream);
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return MZ_PARAM_ERROR;
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}
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return MZ_OK;
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return MZ_OK;
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}
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int mz_deflateReset(mz_streamp pStream)
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{
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if ((!pStream) || (!pStream->state) || (!pStream->zalloc) || (!pStream->zfree)) return MZ_STREAM_ERROR;
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pStream->total_in = pStream->total_out = 0;
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tdefl_init((tdefl_compressor*)pStream->state, NULL, NULL, ((tdefl_compressor*)pStream->state)->m_flags);
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return MZ_OK;
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if ((!pStream) || (!pStream->state) || (!pStream->zalloc) || (!pStream->zfree))
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return MZ_STREAM_ERROR;
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pStream->total_in = pStream->total_out = 0;
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tdefl_init((tdefl_compressor *)pStream->state, NULL, NULL, ((tdefl_compressor *)pStream->state)->m_flags);
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return MZ_OK;
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}
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int mz_deflate(mz_streamp pStream, int flush)
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{
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size_t in_bytes, out_bytes;
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mz_ulong orig_total_in, orig_total_out;
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int mz_status = MZ_OK;
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size_t in_bytes, out_bytes;
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mz_ulong orig_total_in, orig_total_out;
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int mz_status = MZ_OK;
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if ((!pStream) || (!pStream->state) || (flush < 0) || (flush > MZ_FINISH) || (!pStream->next_out)) return MZ_STREAM_ERROR;
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if (!pStream->avail_out) return MZ_BUF_ERROR;
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if ((!pStream) || (!pStream->state) || (flush < 0) || (flush > MZ_FINISH) || (!pStream->next_out))
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return MZ_STREAM_ERROR;
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if (!pStream->avail_out)
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return MZ_BUF_ERROR;
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if (flush == MZ_PARTIAL_FLUSH) flush = MZ_SYNC_FLUSH;
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if (flush == MZ_PARTIAL_FLUSH)
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flush = MZ_SYNC_FLUSH;
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if (((tdefl_compressor*)pStream->state)->m_prev_return_status == TDEFL_STATUS_DONE)
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return (flush == MZ_FINISH) ? MZ_STREAM_END : MZ_BUF_ERROR;
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if (((tdefl_compressor *)pStream->state)->m_prev_return_status == TDEFL_STATUS_DONE)
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return (flush == MZ_FINISH) ? MZ_STREAM_END : MZ_BUF_ERROR;
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orig_total_in = pStream->total_in; orig_total_out = pStream->total_out;
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for ( ; ; )
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{
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tdefl_status defl_status;
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in_bytes = pStream->avail_in; out_bytes = pStream->avail_out;
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defl_status = tdefl_compress((tdefl_compressor*)pStream->state, pStream->next_in, &in_bytes, pStream->next_out, &out_bytes, (tdefl_flush)flush);
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pStream->next_in += (mz_uint)in_bytes; pStream->avail_in -= (mz_uint)in_bytes;
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pStream->total_in += (mz_uint)in_bytes; pStream->adler = tdefl_get_adler32((tdefl_compressor*)pStream->state);
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pStream->next_out += (mz_uint)out_bytes; pStream->avail_out -= (mz_uint)out_bytes;
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pStream->total_out += (mz_uint)out_bytes;
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if (defl_status < 0)
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orig_total_in = pStream->total_in;
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orig_total_out = pStream->total_out;
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for (;;)
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{
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mz_status = MZ_STREAM_ERROR;
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break;
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tdefl_status defl_status;
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in_bytes = pStream->avail_in;
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out_bytes = pStream->avail_out;
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defl_status = tdefl_compress((tdefl_compressor *)pStream->state, pStream->next_in, &in_bytes, pStream->next_out, &out_bytes, (tdefl_flush)flush);
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pStream->next_in += (mz_uint)in_bytes;
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pStream->avail_in -= (mz_uint)in_bytes;
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pStream->total_in += (mz_uint)in_bytes;
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pStream->adler = tdefl_get_adler32((tdefl_compressor *)pStream->state);
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pStream->next_out += (mz_uint)out_bytes;
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pStream->avail_out -= (mz_uint)out_bytes;
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pStream->total_out += (mz_uint)out_bytes;
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if (defl_status < 0)
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{
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mz_status = MZ_STREAM_ERROR;
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break;
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}
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else if (defl_status == TDEFL_STATUS_DONE)
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{
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mz_status = MZ_STREAM_END;
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break;
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}
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else if (!pStream->avail_out)
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break;
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else if ((!pStream->avail_in) && (flush != MZ_FINISH))
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{
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if ((flush) || (pStream->total_in != orig_total_in) || (pStream->total_out != orig_total_out))
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break;
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return MZ_BUF_ERROR; // Can't make forward progress without some input.
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}
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}
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else if (defl_status == TDEFL_STATUS_DONE)
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{
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mz_status = MZ_STREAM_END;
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break;
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}
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else if (!pStream->avail_out)
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break;
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else if ((!pStream->avail_in) && (flush != MZ_FINISH))
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{
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if ((flush) || (pStream->total_in != orig_total_in) || (pStream->total_out != orig_total_out))
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break;
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return MZ_BUF_ERROR; // Can't make forward progress without some input.
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}
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}
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return mz_status;
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return mz_status;
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}
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int mz_deflateEnd(mz_streamp pStream)
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{
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if (!pStream) return MZ_STREAM_ERROR;
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if (pStream->state)
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{
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pStream->zfree(pStream->opaque, pStream->state);
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pStream->state = NULL;
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}
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return MZ_OK;
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if (!pStream)
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return MZ_STREAM_ERROR;
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if (pStream->state)
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{
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pStream->zfree(pStream->opaque, pStream->state);
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pStream->state = NULL;
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}
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return MZ_OK;
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}
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mz_ulong mz_deflateBound(mz_streamp pStream, mz_ulong source_len)
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{
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(void)pStream;
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// This is really over conservative. (And lame, but it's actually pretty tricky to compute a true upper bound given the way tdefl's blocking works.)
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return MZ_MAX(128 + (source_len * 110) / 100, 128 + source_len + ((source_len / (31 * 1024)) + 1) * 5);
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(void)pStream;
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// This is really over conservative. (And lame, but it's actually pretty tricky to compute a true upper bound given the way tdefl's blocking works.)
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return MZ_MAX(128 + (source_len * 110) / 100, 128 + source_len + ((source_len / (31 * 1024)) + 1) * 5);
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}
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int mz_compress2(unsigned char *pDest, mz_ulong *pDest_len, const unsigned char *pSource, mz_ulong source_len, int level)
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{
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int status;
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mz_stream stream;
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memset(&stream, 0, sizeof(stream));
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int status;
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mz_stream stream;
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memset(&stream, 0, sizeof(stream));
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// In case mz_ulong is 64-bits (argh I hate longs).
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if ((source_len | *pDest_len) > 0xFFFFFFFFU) return MZ_PARAM_ERROR;
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// In case mz_ulong is 64-bits (argh I hate longs).
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if ((source_len | *pDest_len) > 0xFFFFFFFFU)
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return MZ_PARAM_ERROR;
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stream.next_in = pSource;
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stream.avail_in = (mz_uint32)source_len;
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stream.next_out = pDest;
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stream.avail_out = (mz_uint32)*pDest_len;
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stream.next_in = pSource;
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stream.avail_in = (mz_uint32)source_len;
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stream.next_out = pDest;
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stream.avail_out = (mz_uint32)*pDest_len;
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status = mz_deflateInit(&stream, level);
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if (status != MZ_OK) return status;
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status = mz_deflateInit(&stream, level);
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if (status != MZ_OK)
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return status;
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status = mz_deflate(&stream, MZ_FINISH);
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if (status != MZ_STREAM_END)
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{
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mz_deflateEnd(&stream);
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return (status == MZ_OK) ? MZ_BUF_ERROR : status;
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}
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status = mz_deflate(&stream, MZ_FINISH);
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if (status != MZ_STREAM_END)
|
||||
{
|
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mz_deflateEnd(&stream);
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return (status == MZ_OK) ? MZ_BUF_ERROR : status;
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}
|
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|
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*pDest_len = stream.total_out;
|
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return mz_deflateEnd(&stream);
|
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*pDest_len = stream.total_out;
|
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return mz_deflateEnd(&stream);
|
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}
|
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|
||||
int mz_compress(unsigned char *pDest, mz_ulong *pDest_len, const unsigned char *pSource, mz_ulong source_len)
|
||||
{
|
||||
return mz_compress2(pDest, pDest_len, pSource, source_len, MZ_DEFAULT_COMPRESSION);
|
||||
return mz_compress2(pDest, pDest_len, pSource, source_len, MZ_DEFAULT_COMPRESSION);
|
||||
}
|
||||
|
||||
mz_ulong mz_compressBound(mz_ulong source_len)
|
||||
{
|
||||
return mz_deflateBound(NULL, source_len);
|
||||
return mz_deflateBound(NULL, source_len);
|
||||
}
|
||||
|
||||
typedef struct
|
||||
{
|
||||
tinfl_decompressor m_decomp;
|
||||
mz_uint m_dict_ofs, m_dict_avail, m_first_call, m_has_flushed; int m_window_bits;
|
||||
mz_uint8 m_dict[TINFL_LZ_DICT_SIZE];
|
||||
tinfl_status m_last_status;
|
||||
tinfl_decompressor m_decomp;
|
||||
mz_uint m_dict_ofs, m_dict_avail, m_first_call, m_has_flushed;
|
||||
int m_window_bits;
|
||||
mz_uint8 m_dict[TINFL_LZ_DICT_SIZE];
|
||||
tinfl_status m_last_status;
|
||||
} inflate_state;
|
||||
|
||||
int mz_inflateInit2(mz_streamp pStream, int window_bits)
|
||||
{
|
||||
inflate_state *pDecomp;
|
||||
if (!pStream) return MZ_STREAM_ERROR;
|
||||
if ((window_bits != MZ_DEFAULT_WINDOW_BITS) && (-window_bits != MZ_DEFAULT_WINDOW_BITS)) return MZ_PARAM_ERROR;
|
||||
inflate_state *pDecomp;
|
||||
if (!pStream)
|
||||
return MZ_STREAM_ERROR;
|
||||
if ((window_bits != MZ_DEFAULT_WINDOW_BITS) && (-window_bits != MZ_DEFAULT_WINDOW_BITS))
|
||||
return MZ_PARAM_ERROR;
|
||||
|
||||
pStream->data_type = 0;
|
||||
pStream->adler = 0;
|
||||
pStream->msg = NULL;
|
||||
pStream->total_in = 0;
|
||||
pStream->total_out = 0;
|
||||
pStream->reserved = 0;
|
||||
if (!pStream->zalloc) pStream->zalloc = miniz_def_alloc_func;
|
||||
if (!pStream->zfree) pStream->zfree = miniz_def_free_func;
|
||||
pStream->data_type = 0;
|
||||
pStream->adler = 0;
|
||||
pStream->msg = NULL;
|
||||
pStream->total_in = 0;
|
||||
pStream->total_out = 0;
|
||||
pStream->reserved = 0;
|
||||
if (!pStream->zalloc)
|
||||
pStream->zalloc = miniz_def_alloc_func;
|
||||
if (!pStream->zfree)
|
||||
pStream->zfree = miniz_def_free_func;
|
||||
|
||||
pDecomp = (inflate_state*)pStream->zalloc(pStream->opaque, 1, sizeof(inflate_state));
|
||||
if (!pDecomp) return MZ_MEM_ERROR;
|
||||
pDecomp = (inflate_state *)pStream->zalloc(pStream->opaque, 1, sizeof(inflate_state));
|
||||
if (!pDecomp)
|
||||
return MZ_MEM_ERROR;
|
||||
|
||||
pStream->state = (struct mz_internal_state *)pDecomp;
|
||||
pStream->state = (struct mz_internal_state *)pDecomp;
|
||||
|
||||
tinfl_init(&pDecomp->m_decomp);
|
||||
pDecomp->m_dict_ofs = 0;
|
||||
pDecomp->m_dict_avail = 0;
|
||||
pDecomp->m_last_status = TINFL_STATUS_NEEDS_MORE_INPUT;
|
||||
pDecomp->m_first_call = 1;
|
||||
pDecomp->m_has_flushed = 0;
|
||||
pDecomp->m_window_bits = window_bits;
|
||||
tinfl_init(&pDecomp->m_decomp);
|
||||
pDecomp->m_dict_ofs = 0;
|
||||
pDecomp->m_dict_avail = 0;
|
||||
pDecomp->m_last_status = TINFL_STATUS_NEEDS_MORE_INPUT;
|
||||
pDecomp->m_first_call = 1;
|
||||
pDecomp->m_has_flushed = 0;
|
||||
pDecomp->m_window_bits = window_bits;
|
||||
|
||||
return MZ_OK;
|
||||
return MZ_OK;
|
||||
}
|
||||
|
||||
int mz_inflateInit(mz_streamp pStream)
|
||||
{
|
||||
return mz_inflateInit2(pStream, MZ_DEFAULT_WINDOW_BITS);
|
||||
return mz_inflateInit2(pStream, MZ_DEFAULT_WINDOW_BITS);
|
||||
}
|
||||
|
||||
int mz_inflate(mz_streamp pStream, int flush)
|
||||
{
|
||||
inflate_state* pState;
|
||||
mz_uint n, first_call, decomp_flags = TINFL_FLAG_COMPUTE_ADLER32;
|
||||
size_t in_bytes, out_bytes, orig_avail_in;
|
||||
tinfl_status status;
|
||||
inflate_state *pState;
|
||||
mz_uint n, first_call, decomp_flags = TINFL_FLAG_COMPUTE_ADLER32;
|
||||
size_t in_bytes, out_bytes, orig_avail_in;
|
||||
tinfl_status status;
|
||||
|
||||
if ((!pStream) || (!pStream->state)) return MZ_STREAM_ERROR;
|
||||
if (flush == MZ_PARTIAL_FLUSH) flush = MZ_SYNC_FLUSH;
|
||||
if ((flush) && (flush != MZ_SYNC_FLUSH) && (flush != MZ_FINISH)) return MZ_STREAM_ERROR;
|
||||
if ((!pStream) || (!pStream->state))
|
||||
return MZ_STREAM_ERROR;
|
||||
if (flush == MZ_PARTIAL_FLUSH)
|
||||
flush = MZ_SYNC_FLUSH;
|
||||
if ((flush) && (flush != MZ_SYNC_FLUSH) && (flush != MZ_FINISH))
|
||||
return MZ_STREAM_ERROR;
|
||||
|
||||
pState = (inflate_state*)pStream->state;
|
||||
if (pState->m_window_bits > 0) decomp_flags |= TINFL_FLAG_PARSE_ZLIB_HEADER;
|
||||
orig_avail_in = pStream->avail_in;
|
||||
pState = (inflate_state *)pStream->state;
|
||||
if (pState->m_window_bits > 0)
|
||||
decomp_flags |= TINFL_FLAG_PARSE_ZLIB_HEADER;
|
||||
orig_avail_in = pStream->avail_in;
|
||||
|
||||
first_call = pState->m_first_call; pState->m_first_call = 0;
|
||||
if (pState->m_last_status < 0) return MZ_DATA_ERROR;
|
||||
first_call = pState->m_first_call;
|
||||
pState->m_first_call = 0;
|
||||
if (pState->m_last_status < 0)
|
||||
return MZ_DATA_ERROR;
|
||||
|
||||
if (pState->m_has_flushed && (flush != MZ_FINISH)) return MZ_STREAM_ERROR;
|
||||
pState->m_has_flushed |= (flush == MZ_FINISH);
|
||||
if (pState->m_has_flushed && (flush != MZ_FINISH))
|
||||
return MZ_STREAM_ERROR;
|
||||
pState->m_has_flushed |= (flush == MZ_FINISH);
|
||||
|
||||
if ((flush == MZ_FINISH) && (first_call))
|
||||
{
|
||||
// MZ_FINISH on the first call implies that the input and output buffers are large enough to hold the entire compressed/decompressed file.
|
||||
decomp_flags |= TINFL_FLAG_USING_NON_WRAPPING_OUTPUT_BUF;
|
||||
in_bytes = pStream->avail_in; out_bytes = pStream->avail_out;
|
||||
status = tinfl_decompress(&pState->m_decomp, pStream->next_in, &in_bytes, pStream->next_out, pStream->next_out, &out_bytes, decomp_flags);
|
||||
pState->m_last_status = status;
|
||||
pStream->next_in += (mz_uint)in_bytes; pStream->avail_in -= (mz_uint)in_bytes; pStream->total_in += (mz_uint)in_bytes;
|
||||
pStream->adler = tinfl_get_adler32(&pState->m_decomp);
|
||||
pStream->next_out += (mz_uint)out_bytes; pStream->avail_out -= (mz_uint)out_bytes; pStream->total_out += (mz_uint)out_bytes;
|
||||
|
||||
if (status < 0)
|
||||
return MZ_DATA_ERROR;
|
||||
else if (status != TINFL_STATUS_DONE)
|
||||
if ((flush == MZ_FINISH) && (first_call))
|
||||
{
|
||||
pState->m_last_status = TINFL_STATUS_FAILED;
|
||||
return MZ_BUF_ERROR;
|
||||
// MZ_FINISH on the first call implies that the input and output buffers are large enough to hold the entire compressed/decompressed file.
|
||||
decomp_flags |= TINFL_FLAG_USING_NON_WRAPPING_OUTPUT_BUF;
|
||||
in_bytes = pStream->avail_in;
|
||||
out_bytes = pStream->avail_out;
|
||||
status = tinfl_decompress(&pState->m_decomp, pStream->next_in, &in_bytes, pStream->next_out, pStream->next_out, &out_bytes, decomp_flags);
|
||||
pState->m_last_status = status;
|
||||
pStream->next_in += (mz_uint)in_bytes;
|
||||
pStream->avail_in -= (mz_uint)in_bytes;
|
||||
pStream->total_in += (mz_uint)in_bytes;
|
||||
pStream->adler = tinfl_get_adler32(&pState->m_decomp);
|
||||
pStream->next_out += (mz_uint)out_bytes;
|
||||
pStream->avail_out -= (mz_uint)out_bytes;
|
||||
pStream->total_out += (mz_uint)out_bytes;
|
||||
|
||||
if (status < 0)
|
||||
return MZ_DATA_ERROR;
|
||||
else if (status != TINFL_STATUS_DONE)
|
||||
{
|
||||
pState->m_last_status = TINFL_STATUS_FAILED;
|
||||
return MZ_BUF_ERROR;
|
||||
}
|
||||
return MZ_STREAM_END;
|
||||
}
|
||||
return MZ_STREAM_END;
|
||||
}
|
||||
// flush != MZ_FINISH then we must assume there's more input.
|
||||
if (flush != MZ_FINISH) decomp_flags |= TINFL_FLAG_HAS_MORE_INPUT;
|
||||
// flush != MZ_FINISH then we must assume there's more input.
|
||||
if (flush != MZ_FINISH)
|
||||
decomp_flags |= TINFL_FLAG_HAS_MORE_INPUT;
|
||||
|
||||
if (pState->m_dict_avail)
|
||||
{
|
||||
n = MZ_MIN(pState->m_dict_avail, pStream->avail_out);
|
||||
memcpy(pStream->next_out, pState->m_dict + pState->m_dict_ofs, n);
|
||||
pStream->next_out += n; pStream->avail_out -= n; pStream->total_out += n;
|
||||
pState->m_dict_avail -= n; pState->m_dict_ofs = (pState->m_dict_ofs + n) & (TINFL_LZ_DICT_SIZE - 1);
|
||||
return ((pState->m_last_status == TINFL_STATUS_DONE) && (!pState->m_dict_avail)) ? MZ_STREAM_END : MZ_OK;
|
||||
}
|
||||
|
||||
for ( ; ; )
|
||||
{
|
||||
in_bytes = pStream->avail_in;
|
||||
out_bytes = TINFL_LZ_DICT_SIZE - pState->m_dict_ofs;
|
||||
|
||||
status = tinfl_decompress(&pState->m_decomp, pStream->next_in, &in_bytes, pState->m_dict, pState->m_dict + pState->m_dict_ofs, &out_bytes, decomp_flags);
|
||||
pState->m_last_status = status;
|
||||
|
||||
pStream->next_in += (mz_uint)in_bytes; pStream->avail_in -= (mz_uint)in_bytes;
|
||||
pStream->total_in += (mz_uint)in_bytes; pStream->adler = tinfl_get_adler32(&pState->m_decomp);
|
||||
|
||||
pState->m_dict_avail = (mz_uint)out_bytes;
|
||||
|
||||
n = MZ_MIN(pState->m_dict_avail, pStream->avail_out);
|
||||
memcpy(pStream->next_out, pState->m_dict + pState->m_dict_ofs, n);
|
||||
pStream->next_out += n; pStream->avail_out -= n; pStream->total_out += n;
|
||||
pState->m_dict_avail -= n; pState->m_dict_ofs = (pState->m_dict_ofs + n) & (TINFL_LZ_DICT_SIZE - 1);
|
||||
|
||||
if (status < 0)
|
||||
return MZ_DATA_ERROR; // Stream is corrupted (there could be some uncompressed data left in the output dictionary - oh well).
|
||||
else if ((status == TINFL_STATUS_NEEDS_MORE_INPUT) && (!orig_avail_in))
|
||||
return MZ_BUF_ERROR; // Signal caller that we can't make forward progress without supplying more input or by setting flush to MZ_FINISH.
|
||||
else if (flush == MZ_FINISH)
|
||||
if (pState->m_dict_avail)
|
||||
{
|
||||
// The output buffer MUST be large to hold the remaining uncompressed data when flush==MZ_FINISH.
|
||||
if (status == TINFL_STATUS_DONE)
|
||||
return pState->m_dict_avail ? MZ_BUF_ERROR : MZ_STREAM_END;
|
||||
// status here must be TINFL_STATUS_HAS_MORE_OUTPUT, which means there's at least 1 more byte on the way. If there's no more room left in the output buffer then something is wrong.
|
||||
else if (!pStream->avail_out)
|
||||
return MZ_BUF_ERROR;
|
||||
n = MZ_MIN(pState->m_dict_avail, pStream->avail_out);
|
||||
memcpy(pStream->next_out, pState->m_dict + pState->m_dict_ofs, n);
|
||||
pStream->next_out += n;
|
||||
pStream->avail_out -= n;
|
||||
pStream->total_out += n;
|
||||
pState->m_dict_avail -= n;
|
||||
pState->m_dict_ofs = (pState->m_dict_ofs + n) & (TINFL_LZ_DICT_SIZE - 1);
|
||||
return ((pState->m_last_status == TINFL_STATUS_DONE) && (!pState->m_dict_avail)) ? MZ_STREAM_END : MZ_OK;
|
||||
}
|
||||
else if ((status == TINFL_STATUS_DONE) || (!pStream->avail_in) || (!pStream->avail_out) || (pState->m_dict_avail))
|
||||
break;
|
||||
}
|
||||
|
||||
return ((status == TINFL_STATUS_DONE) && (!pState->m_dict_avail)) ? MZ_STREAM_END : MZ_OK;
|
||||
for (;;)
|
||||
{
|
||||
in_bytes = pStream->avail_in;
|
||||
out_bytes = TINFL_LZ_DICT_SIZE - pState->m_dict_ofs;
|
||||
|
||||
status = tinfl_decompress(&pState->m_decomp, pStream->next_in, &in_bytes, pState->m_dict, pState->m_dict + pState->m_dict_ofs, &out_bytes, decomp_flags);
|
||||
pState->m_last_status = status;
|
||||
|
||||
pStream->next_in += (mz_uint)in_bytes;
|
||||
pStream->avail_in -= (mz_uint)in_bytes;
|
||||
pStream->total_in += (mz_uint)in_bytes;
|
||||
pStream->adler = tinfl_get_adler32(&pState->m_decomp);
|
||||
|
||||
pState->m_dict_avail = (mz_uint)out_bytes;
|
||||
|
||||
n = MZ_MIN(pState->m_dict_avail, pStream->avail_out);
|
||||
memcpy(pStream->next_out, pState->m_dict + pState->m_dict_ofs, n);
|
||||
pStream->next_out += n;
|
||||
pStream->avail_out -= n;
|
||||
pStream->total_out += n;
|
||||
pState->m_dict_avail -= n;
|
||||
pState->m_dict_ofs = (pState->m_dict_ofs + n) & (TINFL_LZ_DICT_SIZE - 1);
|
||||
|
||||
if (status < 0)
|
||||
return MZ_DATA_ERROR; // Stream is corrupted (there could be some uncompressed data left in the output dictionary - oh well).
|
||||
else if ((status == TINFL_STATUS_NEEDS_MORE_INPUT) && (!orig_avail_in))
|
||||
return MZ_BUF_ERROR; // Signal caller that we can't make forward progress without supplying more input or by setting flush to MZ_FINISH.
|
||||
else if (flush == MZ_FINISH)
|
||||
{
|
||||
// The output buffer MUST be large to hold the remaining uncompressed data when flush==MZ_FINISH.
|
||||
if (status == TINFL_STATUS_DONE)
|
||||
return pState->m_dict_avail ? MZ_BUF_ERROR : MZ_STREAM_END;
|
||||
// status here must be TINFL_STATUS_HAS_MORE_OUTPUT, which means there's at least 1 more byte on the way. If there's no more room left in the output buffer then something is wrong.
|
||||
else if (!pStream->avail_out)
|
||||
return MZ_BUF_ERROR;
|
||||
}
|
||||
else if ((status == TINFL_STATUS_DONE) || (!pStream->avail_in) || (!pStream->avail_out) || (pState->m_dict_avail))
|
||||
break;
|
||||
}
|
||||
|
||||
return ((status == TINFL_STATUS_DONE) && (!pState->m_dict_avail)) ? MZ_STREAM_END : MZ_OK;
|
||||
}
|
||||
|
||||
int mz_inflateEnd(mz_streamp pStream)
|
||||
{
|
||||
if (!pStream)
|
||||
return MZ_STREAM_ERROR;
|
||||
if (pStream->state)
|
||||
{
|
||||
pStream->zfree(pStream->opaque, pStream->state);
|
||||
pStream->state = NULL;
|
||||
}
|
||||
return MZ_OK;
|
||||
if (!pStream)
|
||||
return MZ_STREAM_ERROR;
|
||||
if (pStream->state)
|
||||
{
|
||||
pStream->zfree(pStream->opaque, pStream->state);
|
||||
pStream->state = NULL;
|
||||
}
|
||||
return MZ_OK;
|
||||
}
|
||||
|
||||
int mz_uncompress(unsigned char *pDest, mz_ulong *pDest_len, const unsigned char *pSource, mz_ulong source_len)
|
||||
{
|
||||
mz_stream stream;
|
||||
int status;
|
||||
memset(&stream, 0, sizeof(stream));
|
||||
mz_stream stream;
|
||||
int status;
|
||||
memset(&stream, 0, sizeof(stream));
|
||||
|
||||
// In case mz_ulong is 64-bits (argh I hate longs).
|
||||
if ((source_len | *pDest_len) > 0xFFFFFFFFU) return MZ_PARAM_ERROR;
|
||||
// In case mz_ulong is 64-bits (argh I hate longs).
|
||||
if ((source_len | *pDest_len) > 0xFFFFFFFFU)
|
||||
return MZ_PARAM_ERROR;
|
||||
|
||||
stream.next_in = pSource;
|
||||
stream.avail_in = (mz_uint32)source_len;
|
||||
stream.next_out = pDest;
|
||||
stream.avail_out = (mz_uint32)*pDest_len;
|
||||
stream.next_in = pSource;
|
||||
stream.avail_in = (mz_uint32)source_len;
|
||||
stream.next_out = pDest;
|
||||
stream.avail_out = (mz_uint32)*pDest_len;
|
||||
|
||||
status = mz_inflateInit(&stream);
|
||||
if (status != MZ_OK)
|
||||
return status;
|
||||
status = mz_inflateInit(&stream);
|
||||
if (status != MZ_OK)
|
||||
return status;
|
||||
|
||||
status = mz_inflate(&stream, MZ_FINISH);
|
||||
if (status != MZ_STREAM_END)
|
||||
{
|
||||
mz_inflateEnd(&stream);
|
||||
return ((status == MZ_BUF_ERROR) && (!stream.avail_in)) ? MZ_DATA_ERROR : status;
|
||||
}
|
||||
*pDest_len = stream.total_out;
|
||||
status = mz_inflate(&stream, MZ_FINISH);
|
||||
if (status != MZ_STREAM_END)
|
||||
{
|
||||
mz_inflateEnd(&stream);
|
||||
return ((status == MZ_BUF_ERROR) && (!stream.avail_in)) ? MZ_DATA_ERROR : status;
|
||||
}
|
||||
*pDest_len = stream.total_out;
|
||||
|
||||
return mz_inflateEnd(&stream);
|
||||
return mz_inflateEnd(&stream);
|
||||
}
|
||||
|
||||
const char *mz_error(int err)
|
||||
{
|
||||
static struct { int m_err; const char *m_pDesc; } s_error_descs[] =
|
||||
{
|
||||
{ MZ_OK, "" }, { MZ_STREAM_END, "stream end" }, { MZ_NEED_DICT, "need dictionary" }, { MZ_ERRNO, "file error" }, { MZ_STREAM_ERROR, "stream error" },
|
||||
{ MZ_DATA_ERROR, "data error" }, { MZ_MEM_ERROR, "out of memory" }, { MZ_BUF_ERROR, "buf error" }, { MZ_VERSION_ERROR, "version error" }, { MZ_PARAM_ERROR, "parameter error" }
|
||||
};
|
||||
mz_uint i; for (i = 0; i < sizeof(s_error_descs) / sizeof(s_error_descs[0]); ++i) if (s_error_descs[i].m_err == err) return s_error_descs[i].m_pDesc;
|
||||
return NULL;
|
||||
static struct
|
||||
{
|
||||
int m_err;
|
||||
const char *m_pDesc;
|
||||
} s_error_descs[] =
|
||||
{
|
||||
{ MZ_OK, "" }, { MZ_STREAM_END, "stream end" }, { MZ_NEED_DICT, "need dictionary" }, { MZ_ERRNO, "file error" }, { MZ_STREAM_ERROR, "stream error" }, { MZ_DATA_ERROR, "data error" }, { MZ_MEM_ERROR, "out of memory" }, { MZ_BUF_ERROR, "buf error" }, { MZ_VERSION_ERROR, "version error" }, { MZ_PARAM_ERROR, "parameter error" }
|
||||
};
|
||||
mz_uint i;
|
||||
for (i = 0; i < sizeof(s_error_descs) / sizeof(s_error_descs[0]); ++i)
|
||||
if (s_error_descs[i].m_err == err)
|
||||
return s_error_descs[i].m_pDesc;
|
||||
return NULL;
|
||||
}
|
||||
|
||||
#endif //MINIZ_NO_ZLIB_APIS
|
||||
|
||||
Reference in New Issue
Block a user