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Added callback for periodic flushes

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This commit is contained in:
Martin
2017-02-08 15:53:52 +01:00
parent 460e619ae8
commit 91ce90fa17
2 changed files with 13 additions and 1 deletions
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12
miniz_zip.c
View File

@@ -907,6 +907,7 @@ mz_bool mz_zip_reader_init_mem(mz_zip_archive *pZip, const void *pMem, size_t si
pZip->m_archive_size = size;
pZip->m_pRead = mz_zip_mem_read_func;
pZip->m_pIO_opaque = pZip;
pZip->m_pNeeds_keepalive = NULL;
#ifdef __cplusplus
pZip->m_pState->m_pMem = const_cast<void *>(pMem);
@@ -2402,6 +2403,7 @@ mz_bool mz_zip_writer_init(mz_zip_archive *pZip, mz_uint64 existing_size)
mz_bool mz_zip_writer_init_heap_v2(mz_zip_archive *pZip, size_t size_to_reserve_at_beginning, size_t initial_allocation_size, mz_uint flags)
{
pZip->m_pWrite = mz_zip_heap_write_func;
pZip->m_pNeeds_keepalive = NULL;
if (flags & MZ_ZIP_FLAG_WRITE_ALLOW_READING)
pZip->m_pRead = mz_zip_mem_read_func;
@@ -2458,6 +2460,7 @@ mz_bool mz_zip_writer_init_file_v2(mz_zip_archive *pZip, const char *pFilename,
MZ_FILE *pFile;
pZip->m_pWrite = mz_zip_file_write_func;
pZip->m_pNeeds_keepalive = NULL;
if (flags & MZ_ZIP_FLAG_WRITE_ALLOW_READING)
pZip->m_pRead = mz_zip_file_read_func;
@@ -2502,6 +2505,7 @@ mz_bool mz_zip_writer_init_file_v2(mz_zip_archive *pZip, const char *pFilename,
mz_bool mz_zip_writer_init_cfile(mz_zip_archive *pZip, MZ_FILE *pFile, mz_uint flags)
{
pZip->m_pWrite = mz_zip_file_write_func;
pZip->m_pNeeds_keepalive = NULL;
if (flags & MZ_ZIP_FLAG_WRITE_ALLOW_READING)
pZip->m_pRead = mz_zip_file_read_func;
@@ -2574,6 +2578,7 @@ mz_bool mz_zip_writer_init_from_reader_v2(mz_zip_archive *pZip, const char *pFil
}
pZip->m_pWrite = mz_zip_file_write_func;
pZip->m_pNeeds_keepalive = NULL;
#endif /* #ifdef MINIZ_NO_STDIO */
}
else if (pState->m_pMem)
@@ -2584,6 +2589,7 @@ mz_bool mz_zip_writer_init_from_reader_v2(mz_zip_archive *pZip, const char *pFil
pState->m_mem_capacity = pState->m_mem_size;
pZip->m_pWrite = mz_zip_heap_write_func;
pZip->m_pNeeds_keepalive = NULL;
}
/* Archive is being read via a user provided read function - make sure the user has specified a write function too. */
else if (!pZip->m_pWrite)
@@ -3298,6 +3304,7 @@ mz_bool mz_zip_writer_add_cfile(mz_zip_archive *pZip, const char *pArchive_name,
{
size_t in_buf_size = (mz_uint32)MZ_MIN(uncomp_remaining, (mz_uint64)MZ_ZIP_MAX_IO_BUF_SIZE);
tdefl_status status;
tdefl_flush flush = TDEFL_NO_FLUSH;
if (MZ_FREAD(pRead_buf, 1, in_buf_size, pSrc_file) != in_buf_size)
{
@@ -3308,7 +3315,10 @@ mz_bool mz_zip_writer_add_cfile(mz_zip_archive *pZip, const char *pArchive_name,
uncomp_crc32 = (mz_uint32)mz_crc32(uncomp_crc32, (const mz_uint8 *)pRead_buf, in_buf_size);
uncomp_remaining -= in_buf_size;
status = tdefl_compress_buffer(pComp, pRead_buf, in_buf_size, uncomp_remaining ? TDEFL_NO_FLUSH : TDEFL_FINISH);
if (pZip->m_pNeeds_keepalive != NULL && pZip->m_pNeeds_keepalive(pZip->m_pIO_opaque))
flush = TDEFL_FULL_FLUSH;
status = tdefl_compress_buffer(pComp, pRead_buf, in_buf_size, uncomp_remaining ? flush : TDEFL_FINISH);
if (status == TDEFL_STATUS_DONE)
{
result = MZ_TRUE;

2
miniz_zip.h
View File

@@ -74,6 +74,7 @@ typedef struct
typedef size_t (*mz_file_read_func)(void *pOpaque, mz_uint64 file_ofs, void *pBuf, size_t n);
typedef size_t (*mz_file_write_func)(void *pOpaque, mz_uint64 file_ofs, const void *pBuf, size_t n);
typedef mz_bool (*mz_file_needs_keepalive)(void *pOpaque);
struct mz_zip_internal_state_tag;
typedef struct mz_zip_internal_state_tag mz_zip_internal_state;
@@ -168,6 +169,7 @@ typedef struct
mz_file_read_func m_pRead;
mz_file_write_func m_pWrite;
mz_file_needs_keepalive m_pNeeds_keepalive;
void *m_pIO_opaque;
mz_zip_internal_state *m_pState;