X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/ea4f5235fcbfd484a75e295fd266359e4e66c476..f72124dbe5f289165f7c05ba6c3dcbef89e0ead6:/src/common/unzip.c diff --git a/src/common/unzip.c b/src/common/unzip.c index 08dd404643..551b1c6b2d 100644 --- a/src/common/unzip.c +++ b/src/common/unzip.c @@ -1,9 +1,19 @@ +/* + +This file was altered for needs of wxWindows. +$Id$ + +*/ + /* unzip.c -- IO on .zip files using zlib Version 0.15 beta, Mar 19th, 1998, Read unzip.h for more info + */ + + #include "wx/setup.h" #if wxUSE_ZLIB && wxUSE_ZIPSTREAM @@ -134,11 +144,16 @@ typedef struct file if we are decompressing it */ } unz_s; -#if defined (__VISAGECPP__) -// VA always requires prototypes +#if defined (__VISAGECPP__) || defined(__BORLANDC__) +/* VA always requires prototypes */ int unzlocal_CheckCurrentFileCoherencyHeader (unz_s*, uInt*, uLong*, uInt*); #endif +/* disable warnings about K&R declarations until the end of file */ +#ifdef _MSC_VER +#pragma warning(disable:4131) +#endif /* VC++ */ + /* =========================================================================== Read a byte from a gz_stream; update next_in and avail_in. Return EOF for end of file. @@ -343,6 +358,48 @@ local uLong unzlocal_SearchCentralDir(fin) return uPosFound; } +#if defined(__WXMAC__) && !defined(__UNIX__) +void wxUnix2MacFilename (char *s) ; +void +wxUnix2MacFilename (char *s) +{ + if (s) + { + if ( *s == '.' ) + { + /* relative path , since it goes on with slash which is translated to a : */ + memmove( s , s+1 ,strlen( s ) ) ; + } + else if ( *s == '/' ) + { + /* absolute path -> on mac just start with the drive name */ + memmove( s , s+1 ,strlen( s ) ) ; + } + else + { +/* wxASSERT_MSG( 1 , "unkown path beginning" ) ; */ + } + while (*s) + { + if (*s == '/' || *s == '\\') + { + /* convert any back-directory situations */ + if ( *(s+1) == '.' && *(s+2) == '.' && ( (*(s+3) == '/' || *(s+3) == '\\') ) ) + { + *s = ':'; + memmove( s+1 , s+3 ,strlen( s+3 ) + 1 ) ; + } + else + *s = ':'; + } + + s++ ; + } + } +} +extern char * wxBuffer ; +#endif + /* Open a Zip file. path contain the full pathname (by example, on a Windows NT computer "c:\\test\\zlib109.zip" or on an Unix computer @@ -373,7 +430,13 @@ extern unzFile ZEXPORT unzOpen (path) if (unz_copyright[0]!=' ') return NULL; +#if defined(__WXMAC__) && !defined(__UNIX__) + strcpy( wxBuffer , path ) ; + wxUnix2MacFilename( wxBuffer ) ; + fin=fopen(wxBuffer,"rb"); +#else fin=fopen(path,"rb"); +#endif if (fin==NULL) return NULL; @@ -548,10 +611,12 @@ local int unzlocal_GetCurrentFileInfoInternal (file, /* we check the magic */ if (err==UNZ_OK) + { if (unzlocal_getLong(s->file,&uMagic) != UNZ_OK) err=UNZ_ERRNO; else if (uMagic!=0x02014b50) err=UNZ_BADZIPFILE; + } if (unzlocal_getShort(s->file,&file_info.version) != UNZ_OK) err=UNZ_ERRNO; @@ -628,10 +693,13 @@ local int unzlocal_GetCurrentFileInfoInternal (file, uSizeRead = extraFieldBufferSize; if (lSeek!=0) + { if (fseek(s->file,lSeek,SEEK_CUR)==0) lSeek=0; else err=UNZ_ERRNO; + } + if ((file_info.size_file_extra>0) && (extraFieldBufferSize>0)) if (fread(extraField,(uInt)uSizeRead,1,s->file)!=1) err=UNZ_ERRNO; @@ -653,10 +721,13 @@ local int unzlocal_GetCurrentFileInfoInternal (file, uSizeRead = commentBufferSize; if (lSeek!=0) + { if (fseek(s->file,lSeek,SEEK_CUR)==0) lSeek=0; else err=UNZ_ERRNO; + } + if ((file_info.size_file_comment>0) && (commentBufferSize>0)) if (fread(szComment,(uInt)uSizeRead,1,s->file)!=1) err=UNZ_ERRNO; @@ -768,12 +839,18 @@ extern int ZEXPORT unzLocateFile (file, szFileName, iCaseSensitivity) { unz_s* s; int err; - - + const char *c; + char *c2; + char szFileName2[UNZ_MAXFILENAMEINZIP+1]; + uLong num_fileSaved; uLong pos_in_central_dirSaved; - + for (c = szFileName, c2 = szFileName2; *c != '\0'; c++, c2++) + if (*c == '\\') *c2 = '/'; + else *c2 = *c; + *c2 = '\0'; + if (file==NULL) return UNZ_PARAMERROR; @@ -795,8 +872,9 @@ extern int ZEXPORT unzLocateFile (file, szFileName, iCaseSensitivity) unzGetCurrentFileInfo(file,NULL, szCurrentFileName,sizeof(szCurrentFileName)-1, NULL,0,NULL,0); + for (c2 = szCurrentFileName; *c2 != '\0'; c2++) if (*c2 == '\\') *c2 = '/'; if (unzStringFileNameCompare(szCurrentFileName, - szFileName,iCaseSensitivity)==0) + szFileName2,iCaseSensitivity)==0) return UNZ_OK; err = unzGoToNextFile(file); } @@ -837,10 +915,12 @@ local int unzlocal_CheckCurrentFileCoherencyHeader (s,piSizeVar, if (err==UNZ_OK) + { if (unzlocal_getLong(s->file,&uMagic) != UNZ_OK) err=UNZ_ERRNO; else if (uMagic!=0x04034b50) err=UNZ_BADZIPFILE; + } if (unzlocal_getShort(s->file,&uData) != UNZ_OK) err=UNZ_ERRNO; @@ -1279,7 +1359,6 @@ extern int ZEXPORT unzGetGlobalComment (file, szComment, uSizeBuf) char *szComment; uLong uSizeBuf; { - int err=UNZ_OK; unz_s* s; uLong uReadThis ; if (file==NULL) @@ -1307,7 +1386,7 @@ extern int ZEXPORT unzGetGlobalComment (file, szComment, uSizeBuf) #else -// the file shouldn't be empty, som compilers don't like it +/* the file shouldn't be empty, som compilers don't like it */ static const int dummyVariableInUnzip = 17; -#endif // wxUSE_ZLIB && wxUSE_ZIPSTREAM +#endif /* wxUSE_ZLIB && wxUSE_ZIPSTREAM */