96 lines
2.4 KiB
C
96 lines
2.4 KiB
C
/* PR target/54121 */
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/* Reported by Jan Engelhardt <jengelh@inai.de> */
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/* { dg-do compile { target fpic } } */
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/* { dg-options "-std=gnu99 -O -fPIC -fprofile-generate" } */
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/* { dg-require-profiling "-fprofile-generate" } */
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typedef __SIZE_TYPE__ size_t;
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typedef unsigned char uint8_t;
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extern void *memcpy (void *__restrict __dest,
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__const void *__restrict __src, size_t __n)
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__attribute__ ((__nothrow__)) __attribute__ ((__nonnull__ (1, 2)));
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typedef enum {
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LZMA_OK = 0,
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LZMA_STREAM_END = 1,
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LZMA_NO_CHECK = 2,
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LZMA_UNSUPPORTED_CHECK = 3,
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LZMA_GET_CHECK = 4,
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LZMA_MEM_ERROR = 5,
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LZMA_MEMLIMIT_ERROR = 6,
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LZMA_FORMAT_ERROR = 7,
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LZMA_OPTIONS_ERROR = 8,
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LZMA_DATA_ERROR = 9,
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LZMA_BUF_ERROR = 10,
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LZMA_PROG_ERROR = 11,
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} lzma_ret;
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typedef enum {
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LZMA_RUN = 0,
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LZMA_SYNC_FLUSH = 1,
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LZMA_FULL_FLUSH = 2,
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LZMA_FINISH = 3
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} lzma_action;
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typedef struct {
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void *( *alloc)(void *opaque, size_t nmemb, size_t size);
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void ( *free)(void *opaque, void *ptr);
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void *opaque;
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} lzma_allocator;
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typedef struct lzma_coder_s lzma_coder;
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typedef struct lzma_next_coder_s lzma_next_coder;
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typedef struct lzma_filter_info_s lzma_filter_info;
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typedef lzma_ret (*lzma_init_function)(
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lzma_next_coder *next, lzma_allocator *allocator,
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const lzma_filter_info *filters);
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typedef lzma_ret (*lzma_code_function)(
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lzma_coder *coder, lzma_allocator *allocator,
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const uint8_t *restrict in, size_t *restrict in_pos,
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size_t in_size, uint8_t *restrict out,
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size_t *restrict out_pos, size_t out_size,
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lzma_action action);
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typedef void (*lzma_end_function)(
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lzma_coder *coder, lzma_allocator *allocator);
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typedef struct {
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uint8_t *buf;
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size_t pos;
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size_t size;
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} lzma_dict;
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typedef struct {
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lzma_coder *coder;
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lzma_ret (*code)(lzma_coder *restrict coder,
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lzma_dict *restrict dict, const uint8_t *restrict in,
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size_t *restrict in_pos, size_t in_size);
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} lzma_lz_decoder;
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struct lzma_coder_s {
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lzma_dict dict;
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lzma_lz_decoder lz;
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};
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lzma_ret
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decode_buffer(lzma_coder *coder,
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const uint8_t *restrict in, size_t *restrict in_pos,
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size_t in_size, uint8_t *restrict out, size_t *restrict out_pos)
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{
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while (1) {
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const size_t dict_start = coder->dict.pos;
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const lzma_ret ret
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= coder->lz.code( coder->lz.coder, &coder->dict, in, in_pos, in_size);
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const size_t copy_size = coder->dict.pos - dict_start;
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memcpy(out + *out_pos, coder->dict.buf + dict_start, copy_size);
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if (ret != LZMA_OK || coder->dict.pos < coder->dict.size)
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return ret;
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}
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}
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