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Add "iterative" file extraction method based on mz_zip_reader_extract_to_callback.

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Phil Greenland
2017-05-14 11:54:29 +01:00
parent 7ecd1b3677
commit 0d13890f4b
2 changed files with 324 additions and 0 deletions
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26
miniz_zip.h
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@@ -174,6 +174,26 @@ typedef struct
} mz_zip_archive;
typedef struct
{
mz_zip_archive *pZip;
mz_uint flags;
int status;
#ifndef MINIZ_DISABLE_ZIP_READER_CRC32_CHECKS
mz_uint file_crc32;
#endif
mz_uint64 read_buf_size, read_buf_ofs, read_buf_avail, comp_remaining, out_buf_ofs, cur_file_ofs;
mz_zip_archive_file_stat file_stat;
void *pRead_buf;
void *pWrite_buf;
size_t out_blk_remain;
tinfl_decompressor inflator;
} mz_zip_reader_extract_iter_state;
/* -------- ZIP reading */
/* Inits a ZIP archive reader. */
@@ -281,6 +301,12 @@ void *mz_zip_reader_extract_file_to_heap(mz_zip_archive *pZip, const char *pFile
mz_bool mz_zip_reader_extract_to_callback(mz_zip_archive *pZip, mz_uint file_index, mz_file_write_func pCallback, void *pOpaque, mz_uint flags);
mz_bool mz_zip_reader_extract_file_to_callback(mz_zip_archive *pZip, const char *pFilename, mz_file_write_func pCallback, void *pOpaque, mz_uint flags);
/* Extract a file iteratively */
mz_zip_reader_extract_iter_state* mz_zip_reader_extract_iter_new(mz_zip_archive *pZip, mz_uint file_index, mz_uint flags);
mz_zip_reader_extract_iter_state* mz_zip_reader_extract_file_iter_new(mz_zip_archive *pZip, const char *pFilename, mz_uint flags);
size_t mz_zip_reader_extract_iter_read(mz_zip_reader_extract_iter_state* pState, void* pvBuf, size_t buf_size);
mz_bool mz_zip_reader_extract_iter_free(mz_zip_reader_extract_iter_state* pState);
#ifndef MINIZ_NO_STDIO
/* Extracts a archive file to a disk file and sets its last accessed and modified times. */
/* This function only extracts files, not archive directory records. */