diff --git a/contrib/minizip/unzip.c b/contrib/minizip/unzip.c index c1c298632..7a35c8663 100644 --- a/contrib/minizip/unzip.c +++ b/contrib/minizip/unzip.c @@ -197,23 +197,24 @@ typedef struct #include "crypt.h" #endif + /* =========================================================================== - Read a byte from a gz_stream; update next_in and avail_in. Return EOF - for end of file. - IN assertion: the stream s has been successfully opened for reading. + Reads a long in LSB order from the given gz_stream. Sets */ - -local int unz64local_getByte(const zlib_filefunc64_32_def* pzlib_filefunc_def, voidpf filestream, int *pi) { - unsigned char c; - int err = (int)ZREAD64(*pzlib_filefunc_def,filestream,&c,1); - if (err==1) +local int unz64local_getShort(const zlib_filefunc64_32_def* pzlib_filefunc_def, + voidpf filestream, + uLong *pX) { + unsigned char c[2]; + int err = (int)ZREAD64(*pzlib_filefunc_def,filestream,c,2); + if (err==2) { - *pi = (int)c; + *pX = c[0] | ((uLong)c[1] << 8); return UNZ_OK; } else { + *pX = 0; if (ZERROR64(*pzlib_filefunc_def,filestream)) return UNZ_ERRNO; else @@ -221,105 +222,46 @@ local int unz64local_getByte(const zlib_filefunc64_32_def* pzlib_filefunc_def, v } } - -/* =========================================================================== - Reads a long in LSB order from the given gz_stream. Sets -*/ - -local int unz64local_getShort(const zlib_filefunc64_32_def* pzlib_filefunc_def, - voidpf filestream, - uLong *pX) { - uLong x ; - int i = 0; - int err; - - err = unz64local_getByte(pzlib_filefunc_def,filestream,&i); - x = (uLong)i; - - if (err==UNZ_OK) - err = unz64local_getByte(pzlib_filefunc_def,filestream,&i); - x |= ((uLong)i)<<8; - - if (err==UNZ_OK) - *pX = x; - else - *pX = 0; - return err; -} - local int unz64local_getLong(const zlib_filefunc64_32_def* pzlib_filefunc_def, voidpf filestream, uLong *pX) { - uLong x ; - int i = 0; - int err; - - err = unz64local_getByte(pzlib_filefunc_def,filestream,&i); - x = (uLong)i; - - if (err==UNZ_OK) - err = unz64local_getByte(pzlib_filefunc_def,filestream,&i); - x |= ((uLong)i)<<8; - - if (err==UNZ_OK) - err = unz64local_getByte(pzlib_filefunc_def,filestream,&i); - x |= ((uLong)i)<<16; - - if (err==UNZ_OK) - err = unz64local_getByte(pzlib_filefunc_def,filestream,&i); - x += ((uLong)i)<<24; - - if (err==UNZ_OK) - *pX = x; + unsigned char c[4]; + int err = (int)ZREAD64(*pzlib_filefunc_def,filestream,c,4); + if (err==4) + { + *pX = c[0] | ((uLong)c[1] << 8) | ((uLong)c[2] << 16) | ((uLong)c[3] << 24); + return UNZ_OK; + } else + { *pX = 0; - return err; + if (ZERROR64(*pzlib_filefunc_def,filestream)) + return UNZ_ERRNO; + else + return UNZ_EOF; + } } local int unz64local_getLong64(const zlib_filefunc64_32_def* pzlib_filefunc_def, voidpf filestream, ZPOS64_T *pX) { - ZPOS64_T x ; - int i = 0; - int err; - - err = unz64local_getByte(pzlib_filefunc_def,filestream,&i); - x = (ZPOS64_T)i; - - if (err==UNZ_OK) - err = unz64local_getByte(pzlib_filefunc_def,filestream,&i); - x |= ((ZPOS64_T)i)<<8; - - if (err==UNZ_OK) - err = unz64local_getByte(pzlib_filefunc_def,filestream,&i); - x |= ((ZPOS64_T)i)<<16; - - if (err==UNZ_OK) - err = unz64local_getByte(pzlib_filefunc_def,filestream,&i); - x |= ((ZPOS64_T)i)<<24; - - if (err==UNZ_OK) - err = unz64local_getByte(pzlib_filefunc_def,filestream,&i); - x |= ((ZPOS64_T)i)<<32; - - if (err==UNZ_OK) - err = unz64local_getByte(pzlib_filefunc_def,filestream,&i); - x |= ((ZPOS64_T)i)<<40; - - if (err==UNZ_OK) - err = unz64local_getByte(pzlib_filefunc_def,filestream,&i); - x |= ((ZPOS64_T)i)<<48; - - if (err==UNZ_OK) - err = unz64local_getByte(pzlib_filefunc_def,filestream,&i); - x |= ((ZPOS64_T)i)<<56; - - if (err==UNZ_OK) - *pX = x; + unsigned char c[8]; + int err = (int)ZREAD64(*pzlib_filefunc_def,filestream,c,8); + if (err==8) + { + *pX = c[0] | ((ZPOS64_T)c[1] << 8) | ((ZPOS64_T)c[2] << 16) | ((ZPOS64_T)c[3] << 24) + | ((ZPOS64_T)c[4] << 32) | ((ZPOS64_T)c[5] << 40) | ((ZPOS64_T)c[6] << 48) | ((ZPOS64_T)c[7] << 56); + return UNZ_OK; + } else + { *pX = 0; - return err; + if (ZERROR64(*pzlib_filefunc_def,filestream)) + return UNZ_ERRNO; + else + return UNZ_EOF; + } } /* My own strcmpi / strcasecmp */ @@ -1108,7 +1050,7 @@ extern int ZEXPORT unzGetCurrentFileInfo(unzFile file, pfile_info->internal_fa = file_info64.internal_fa; pfile_info->external_fa = file_info64.external_fa; - pfile_info->tmu_date = file_info64.tmu_date, + pfile_info->tmu_date = file_info64.tmu_date; pfile_info->compressed_size = (uLong)file_info64.compressed_size;