diff options
Diffstat (limited to 'thirdparty/minizip/unzip.c')
| -rw-r--r-- | thirdparty/minizip/unzip.c | 60 |
1 files changed, 33 insertions, 27 deletions
diff --git a/thirdparty/minizip/unzip.c b/thirdparty/minizip/unzip.c index 31f8a5ff47..3b191e827c 100644 --- a/thirdparty/minizip/unzip.c +++ b/thirdparty/minizip/unzip.c @@ -458,7 +458,7 @@ local ZPOS64_T unz64local_SearchCentralDir(const zlib_filefunc64_32_def* pzlib_f if (((*(buf+i))==0x50) && ((*(buf+i+1))==0x4b) && ((*(buf+i+2))==0x05) && ((*(buf+i+3))==0x06)) { - uPosFound = uReadPos+i; + uPosFound = uReadPos+(unsigned)i; break; } @@ -526,7 +526,7 @@ local ZPOS64_T unz64local_SearchCentralDir64(const zlib_filefunc64_32_def* pzlib if (((*(buf+i))==0x50) && ((*(buf+i+1))==0x4b) && ((*(buf+i+2))==0x06) && ((*(buf+i+3))==0x07)) { - uPosFound = uReadPos+i; + uPosFound = uReadPos+(unsigned)i; break; } @@ -869,13 +869,13 @@ local void unz64local_DosDateToTmuDate (ZPOS64_T ulDosDate, tm_unz* ptm) { ZPOS64_T uDate; uDate = (ZPOS64_T)(ulDosDate>>16); - ptm->tm_mday = (uInt)(uDate&0x1f) ; - ptm->tm_mon = (uInt)((((uDate)&0x1E0)/0x20)-1) ; - ptm->tm_year = (uInt)(((uDate&0x0FE00)/0x0200)+1980) ; + ptm->tm_mday = (int)(uDate&0x1f) ; + ptm->tm_mon = (int)((((uDate)&0x1E0)/0x20)-1) ; + ptm->tm_year = (int)(((uDate&0x0FE00)/0x0200)+1980) ; - ptm->tm_hour = (uInt) ((ulDosDate &0xF800)/0x800); - ptm->tm_min = (uInt) ((ulDosDate&0x7E0)/0x20) ; - ptm->tm_sec = (uInt) (2*(ulDosDate&0x1f)) ; + ptm->tm_hour = (int) ((ulDosDate &0xF800)/0x800); + ptm->tm_min = (int) ((ulDosDate&0x7E0)/0x20) ; + ptm->tm_sec = (int) (2*(ulDosDate&0x1f)) ; } /* @@ -1009,7 +1009,7 @@ local int unz64local_GetCurrentFileInfoInternal (unzFile file, if (lSeek!=0) { - if (ZSEEK64(s->z_filefunc, s->filestream,lSeek,ZLIB_FILEFUNC_SEEK_CUR)==0) + if (ZSEEK64(s->z_filefunc, s->filestream,(ZPOS64_T)lSeek,ZLIB_FILEFUNC_SEEK_CUR)==0) lSeek=0; else err=UNZ_ERRNO; @@ -1037,17 +1037,20 @@ local int unz64local_GetCurrentFileInfoInternal (unzFile file, /* GODOT start */ if (lSeek<0) { // WORKAROUND for backwards seeking - z_off_t pos = ZTELL64(s->z_filefunc, s->filestream); - if (ZSEEK64(s->z_filefunc, s->filestream,pos+lSeek,ZLIB_FILEFUNC_SEEK_SET)==0) + ZPOS64_T pos = ZTELL64(s->z_filefunc, s->filestream); + if (ZSEEK64(s->z_filefunc, s->filestream,pos+(ZPOS64_T)lSeek,ZLIB_FILEFUNC_SEEK_SET)==0) lSeek=0; else err=UNZ_ERRNO; } else { - if (ZSEEK64(s->z_filefunc, s->filestream,lSeek,ZLIB_FILEFUNC_SEEK_CUR)==0) - lSeek=0; - else - err=UNZ_ERRNO; + /* GODOT end */ + if (ZSEEK64(s->z_filefunc, s->filestream,(ZPOS64_T)lSeek,ZLIB_FILEFUNC_SEEK_CUR)==0) + lSeek=0; + else + err=UNZ_ERRNO; + /* GODOT start */ } + /* GODOT end */ } while(acc < file_info.size_file_extra) @@ -1116,7 +1119,7 @@ local int unz64local_GetCurrentFileInfoInternal (unzFile file, if (lSeek!=0) { - if (ZSEEK64(s->z_filefunc, s->filestream,lSeek,ZLIB_FILEFUNC_SEEK_CUR)==0) + if (ZSEEK64(s->z_filefunc, s->filestream,(ZPOS64_T)lSeek,ZLIB_FILEFUNC_SEEK_CUR)==0) lSeek=0; else err=UNZ_ERRNO; @@ -1684,7 +1687,7 @@ extern int ZEXPORT unzSeekCurrentFile(unzFile file, int pos) { if (pfile_in_zip_read_info->compression_method==Z_BZIP2ED) { // don't know how to support bzip return UNZ_INTERNALERROR; - }; + } if ((pfile_in_zip_read_info->compression_method==0) || (pfile_in_zip_read_info->raw)) { @@ -1723,7 +1726,7 @@ extern int ZEXPORT unzSeekCurrentFile(unzFile file, int pos) { pfile_in_zip_read_info->stream.avail_in = (uInt)0; pfile_in_zip_read_info->stream.total_out = 0; pfile_in_zip_read_info->stream.next_in = 0; - }; + } // not sure where to read, so read on the stack { @@ -1735,17 +1738,17 @@ extern int ZEXPORT unzSeekCurrentFile(unzFile file, int pos) { int read = unzReadCurrentFile(file, buf, len); if (read < 0) { return read; - }; + } to_read -= read; if (read == UNZ_EOF) { return pos; - }; - }; - }; - }; + } + } + } + } return pos; -}; +} /* GODOT end */ extern int ZEXPORT unzOpenCurrentFile (unzFile file) @@ -1877,7 +1880,7 @@ extern int ZEXPORT unzReadCurrentFile (unzFile file, voidp buf, unsigned len) if ((pfile_in_zip_read_info->stream.avail_in == 0) && (pfile_in_zip_read_info->rest_read_compressed == 0)) - return (iRead==0) ? UNZ_EOF : iRead; + return (iRead==0) ? UNZ_EOF : (int)iRead; if (pfile_in_zip_read_info->stream.avail_out < pfile_in_zip_read_info->stream.avail_in) @@ -1967,6 +1970,9 @@ extern int ZEXPORT unzReadCurrentFile (unzFile file, voidp buf, unsigned len) err = Z_DATA_ERROR; uTotalOutAfter = pfile_in_zip_read_info->stream.total_out; + /* Detect overflow, because z_stream.total_out is uLong (32 bits) */ + if (uTotalOutAfter<uTotalOutBefore) + uTotalOutAfter += 1LL << 32; /* Add maximum value of uLong + 1 */ uOutThis = uTotalOutAfter-uTotalOutBefore; pfile_in_zip_read_info->total_out_64 = pfile_in_zip_read_info->total_out_64 + uOutThis; @@ -1981,14 +1987,14 @@ extern int ZEXPORT unzReadCurrentFile (unzFile file, voidp buf, unsigned len) iRead += (uInt)(uTotalOutAfter - uTotalOutBefore); if (err==Z_STREAM_END) - return (iRead==0) ? UNZ_EOF : iRead; + return (iRead==0) ? UNZ_EOF : (int)iRead; if (err!=Z_OK) break; } } if (err==Z_OK) - return iRead; + return (int)iRead; return err; } |