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Create zlib_inflate_data_to_file_iterate

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This commit is contained in:
twinaphex 2015-03-28 19:00:51 +01:00
parent 26d90e91f3
commit db2677de99
1 changed files with 28 additions and 8 deletions
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34
file_extract.c
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@ -281,6 +281,25 @@ error:
return false;
}
int zlib_inflate_data_to_file_iterate(void *data)
{
int zstatus;
z_stream *stream = (z_stream*)data;
if (!stream)
return -1;
zstatus = inflate(stream, Z_NO_FLUSH);
if (zstatus == Z_STREAM_END)
return 1;
if (zstatus != Z_OK && zstatus != Z_BUF_ERROR)
return -1;
return 0;
}
/**
* zlib_inflate_data_to_file:
* @path : filename path of archive.
@ -298,8 +317,7 @@ error:
int zlib_inflate_data_to_file(const char *path, const char *valid_exts,
const uint8_t *cdata, uint32_t csize, uint32_t size, uint32_t checksum)
{
z_stream *stream = NULL;
int ret = true;
int ret = 1;
zlib_file_handle_t handle = {0};
(void)valid_exts;
@ -307,14 +325,16 @@ int zlib_inflate_data_to_file(const char *path, const char *valid_exts,
if (!zlib_inflate_data_to_file_init(&handle, cdata, csize, size))
GOTO_END_ERROR();
stream = (z_stream*)handle.stream;
do{
ret = zlib_inflate_data_to_file_iterate(handle.stream);
}while(ret == 0);
if (inflate(stream, Z_FINISH) != Z_STREAM_END)
ret = false;
if (ret == -1)
ret = 0;
z_stream_free(stream);
z_stream_free(handle.stream);
if (ret == false)
if (ret == 0)
goto end;
handle.real_checksum = crc32_calculate(handle.data, size);