diff options
| -rw-r--r-- | src/saveload/saveload.cpp | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/src/saveload/saveload.cpp b/src/saveload/saveload.cpp index 33d0733a4..0ba0e509c 100644 --- a/src/saveload/saveload.cpp +++ b/src/saveload/saveload.cpp @@ -2047,7 +2047,7 @@ struct ZlibLoadFilter : LoadFilter { /* virtual */ size_t Read(byte *buf, size_t size) { this->z.next_out = buf; - this->z.avail_out = size; + this->z.avail_out = (uint)size; do { /* read more bytes from the file? */ @@ -2139,6 +2139,14 @@ struct ZlibSaveFilter : SaveFilter { #if defined(WITH_LZMA) #include <lzma.h> +/** + * Have a copy of an initialised LZMA stream. We need this as it's + * impossible to "re"-assign LZMA_STREAM_INIT to a variable in some + * compilers, i.e. LZMA_STREAM_INIT can't be used to set something. + * This var has to be used instead. + */ +static const lzma_stream _lzma_init = LZMA_STREAM_INIT; + /** Filter without any compression. */ struct LZMALoadFilter : LoadFilter { lzma_stream lzma; ///< Stream state that we are reading from. @@ -2148,9 +2156,8 @@ struct LZMALoadFilter : LoadFilter { * Initialise this filter. * @param chain The next filter in this chain. */ - LZMALoadFilter(LoadFilter *chain) : LoadFilter(chain) + LZMALoadFilter(LoadFilter *chain) : LoadFilter(chain), lzma(_lzma_init) { - this->lzma = LZMA_STREAM_INIT; /* Allow saves up to 256 MB uncompressed */ if (lzma_auto_decoder(&this->lzma, 1 << 28, 0) != LZMA_OK) SlError(STR_GAME_SAVELOAD_ERROR_BROKEN_INTERNAL_ERROR, "cannot initialize decompressor"); } @@ -2192,9 +2199,8 @@ struct LZMASaveFilter : SaveFilter { * @param chain The next filter in this chain. * @param compression_level The requested level of compression. */ - LZMASaveFilter(SaveFilter *chain, byte compression_level) : SaveFilter(chain) + LZMASaveFilter(SaveFilter *chain, byte compression_level) : SaveFilter(chain), lzma(_lzma_init) { - this->lzma = LZMA_STREAM_INIT; if (lzma_easy_encoder(&this->lzma, compression_level, LZMA_CHECK_CRC32) != LZMA_OK) SlError(STR_GAME_SAVELOAD_ERROR_BROKEN_INTERNAL_ERROR, "cannot initialize compressor"); } |