--- /dev/null
+/* unzip.c -- IO for uncompress .zip files using zlib\r
+ Version 1.01e, February 12th, 2005\r
+\r
+ Copyright (C) 1998-2005 Gilles Vollant\r
+\r
+ Read unzip.h for more info\r
+*/\r
+\r
+/* Decryption code comes from crypt.c by Info-ZIP but has been greatly reduced in terms of\r
+compatibility with older software. The following is from the original crypt.c. Code\r
+woven in by Terry Thorsen 1/2003.\r
+*/\r
+/*\r
+ Copyright (c) 1990-2000 Info-ZIP. All rights reserved.\r
+\r
+ See the accompanying file LICENSE, version 2000-Apr-09 or later\r
+ (the contents of which are also included in zip.h) for terms of use.\r
+ If, for some reason, all these files are missing, the Info-ZIP license\r
+ also may be found at: ftp://ftp.info-zip.org/pub/infozip/license.html\r
+*/\r
+/*\r
+ crypt.c (full version) by Info-ZIP. Last revised: [see crypt.h]\r
+\r
+ The encryption/decryption parts of this source code (as opposed to the\r
+ non-echoing password parts) were originally written in Europe. The\r
+ whole source package can be freely distributed, including from the USA.\r
+ (Prior to January 2000, re-export from the US was a violation of US law.)\r
+ */\r
+\r
+/*\r
+ This encryption code is a direct transcription of the algorithm from\r
+ Roger Schlafly, described by Phil Katz in the file appnote.txt. This\r
+ file (appnote.txt) is distributed with the PKZIP program (even in the\r
+ version without encryption capabilities).\r
+ */\r
+\r
+\r
+#include <stdio.h>\r
+#include <stdlib.h>\r
+#include <string.h>\r
+#include "zlib.h"\r
+#include "unzip.h"\r
+\r
+#ifdef STDC\r
+# include <stddef.h>\r
+# include <string.h>\r
+# include <stdlib.h>\r
+#endif\r
+#ifdef NO_ERRNO_H\r
+ extern int errno;\r
+#else\r
+# include <errno.h>\r
+#endif\r
+\r
+\r
+#ifndef local\r
+# define local static\r
+#endif\r
+/* compile with -Dlocal if your debugger can't find static symbols */\r
+\r
+\r
+#ifndef CASESENSITIVITYDEFAULT_NO\r
+# if !defined(unix) && !defined(CASESENSITIVITYDEFAULT_YES)\r
+# define CASESENSITIVITYDEFAULT_NO\r
+# endif\r
+#endif\r
+\r
+\r
+#ifndef UNZ_BUFSIZE\r
+#define UNZ_BUFSIZE (16384)\r
+#endif\r
+\r
+#ifndef UNZ_MAXFILENAMEINZIP\r
+#define UNZ_MAXFILENAMEINZIP (256)\r
+#endif\r
+\r
+#ifndef ALLOC\r
+# define ALLOC(size) (malloc(size))\r
+#endif\r
+#ifndef TRYFREE\r
+# define TRYFREE(p) {if (p) free(p);}\r
+#endif\r
+\r
+#define SIZECENTRALDIRITEM (0x2e)\r
+#define SIZEZIPLOCALHEADER (0x1e)\r
+\r
+\r
+\r
+\r
+const char unz_copyright[] =\r
+ " unzip 1.01 Copyright 1998-2004 Gilles Vollant - http://www.winimage.com/zLibDll";\r
+\r
+/* unz_file_info_interntal contain internal info about a file in zipfile*/\r
+typedef struct unz_file_info_internal_s\r
+{\r
+ uLong offset_curfile;/* relative offset of local header 4 bytes */\r
+} unz_file_info_internal;\r
+\r
+\r
+/* file_in_zip_read_info_s contain internal information about a file in zipfile,\r
+ when reading and decompress it */\r
+typedef struct\r
+{\r
+ char *read_buffer; /* internal buffer for compressed data */\r
+ z_stream stream; /* zLib stream structure for inflate */\r
+\r
+ uLong pos_in_zipfile; /* position in byte on the zipfile, for fseek*/\r
+ uLong stream_initialised; /* flag set if stream structure is initialised*/\r
+\r
+ uLong offset_local_extrafield;/* offset of the local extra field */\r
+ uInt size_local_extrafield;/* size of the local extra field */\r
+ uLong pos_local_extrafield; /* position in the local extra field in read*/\r
+\r
+ uLong crc32; /* crc32 of all data uncompressed */\r
+ uLong crc32_wait; /* crc32 we must obtain after decompress all */\r
+ uLong rest_read_compressed; /* number of byte to be decompressed */\r
+ uLong rest_read_uncompressed;/*number of byte to be obtained after decomp*/\r
+ zlib_filefunc_def z_filefunc;\r
+ voidpf filestream; /* io structore of the zipfile */\r
+ uLong compression_method; /* compression method (0==store) */\r
+ uLong byte_before_the_zipfile;/* byte before the zipfile, (>0 for sfx)*/\r
+ int raw;\r
+} file_in_zip_read_info_s;\r
+\r
+\r
+/* unz_s contain internal information about the zipfile\r
+*/\r
+typedef struct\r
+{\r
+ zlib_filefunc_def z_filefunc;\r
+ voidpf filestream; /* io structore of the zipfile */\r
+ unz_global_info gi; /* public global information */\r
+ uLong byte_before_the_zipfile;/* byte before the zipfile, (>0 for sfx)*/\r
+ uLong num_file; /* number of the current file in the zipfile*/\r
+ uLong pos_in_central_dir; /* pos of the current file in the central dir*/\r
+ uLong current_file_ok; /* flag about the usability of the current file*/\r
+ uLong central_pos; /* position of the beginning of the central dir*/\r
+\r
+ uLong size_central_dir; /* size of the central directory */\r
+ uLong offset_central_dir; /* offset of start of central directory with\r
+ respect to the starting disk number */\r
+\r
+ unz_file_info cur_file_info; /* public info about the current file in zip*/\r
+ unz_file_info_internal cur_file_info_internal; /* private info about it*/\r
+ file_in_zip_read_info_s* pfile_in_zip_read; /* structure about the current\r
+ file if we are decompressing it */\r
+ int encrypted;\r
+# ifndef NOUNCRYPT\r
+ unsigned long keys[3]; /* keys defining the pseudo-random sequence */\r
+ const unsigned long* pcrc_32_tab;\r
+# endif\r
+} unz_s;\r
+\r
+\r
+#ifndef NOUNCRYPT\r
+#include "crypt.h"\r
+#endif\r
+\r
+/* ===========================================================================\r
+ Read a byte from a gz_stream; update next_in and avail_in. Return EOF\r
+ for end of file.\r
+ IN assertion: the stream s has been sucessfully opened for reading.\r
+*/\r
+\r
+\r
+local int unzlocal_getByte OF((\r
+ const zlib_filefunc_def* pzlib_filefunc_def,\r
+ voidpf filestream,\r
+ int *pi));\r
+\r
+local int unzlocal_getByte(pzlib_filefunc_def,filestream,pi)\r
+ const zlib_filefunc_def* pzlib_filefunc_def;\r
+ voidpf filestream;\r
+ int *pi;\r
+{\r
+ unsigned char c;\r
+ int err = (int)ZREAD(*pzlib_filefunc_def,filestream,&c,1);\r
+ if (err==1)\r
+ {\r
+ *pi = (int)c;\r
+ return UNZ_OK;\r
+ }\r
+ else\r
+ {\r
+ if (ZERROR(*pzlib_filefunc_def,filestream))\r
+ return UNZ_ERRNO;\r
+ else\r
+ return UNZ_EOF;\r
+ }\r
+}\r
+\r
+\r
+/* ===========================================================================\r
+ Reads a long in LSB order from the given gz_stream. Sets\r
+*/\r
+local int unzlocal_getShort OF((\r
+ const zlib_filefunc_def* pzlib_filefunc_def,\r
+ voidpf filestream,\r
+ uLong *pX));\r
+\r
+local int unzlocal_getShort (pzlib_filefunc_def,filestream,pX)\r
+ const zlib_filefunc_def* pzlib_filefunc_def;\r
+ voidpf filestream;\r
+ uLong *pX;\r
+{\r
+ uLong x ;\r
+ int i;\r
+ int err;\r
+\r
+ err = unzlocal_getByte(pzlib_filefunc_def,filestream,&i);\r
+ x = (uLong)i;\r
+\r
+ if (err==UNZ_OK)\r
+ err = unzlocal_getByte(pzlib_filefunc_def,filestream,&i);\r
+ x += ((uLong)i)<<8;\r
+\r
+ if (err==UNZ_OK)\r
+ *pX = x;\r
+ else\r
+ *pX = 0;\r
+ return err;\r
+}\r
+\r
+local int unzlocal_getLong OF((\r
+ const zlib_filefunc_def* pzlib_filefunc_def,\r
+ voidpf filestream,\r
+ uLong *pX));\r
+\r
+local int unzlocal_getLong (pzlib_filefunc_def,filestream,pX)\r
+ const zlib_filefunc_def* pzlib_filefunc_def;\r
+ voidpf filestream;\r
+ uLong *pX;\r
+{\r
+ uLong x ;\r
+ int i;\r
+ int err;\r
+\r
+ err = unzlocal_getByte(pzlib_filefunc_def,filestream,&i);\r
+ x = (uLong)i;\r
+\r
+ if (err==UNZ_OK)\r
+ err = unzlocal_getByte(pzlib_filefunc_def,filestream,&i);\r
+ x += ((uLong)i)<<8;\r
+\r
+ if (err==UNZ_OK)\r
+ err = unzlocal_getByte(pzlib_filefunc_def,filestream,&i);\r
+ x += ((uLong)i)<<16;\r
+\r
+ if (err==UNZ_OK)\r
+ err = unzlocal_getByte(pzlib_filefunc_def,filestream,&i);\r
+ x += ((uLong)i)<<24;\r
+\r
+ if (err==UNZ_OK)\r
+ *pX = x;\r
+ else\r
+ *pX = 0;\r
+ return err;\r
+}\r
+\r
+\r
+/* My own strcmpi / strcasecmp */\r
+local int strcmpcasenosensitive_internal (fileName1,fileName2)\r
+ const char* fileName1;\r
+ const char* fileName2;\r
+{\r
+ for (;;)\r
+ {\r
+ char c1=*(fileName1++);\r
+ char c2=*(fileName2++);\r
+ if ((c1>='a') && (c1<='z'))\r
+ c1 -= 0x20;\r
+ if ((c2>='a') && (c2<='z'))\r
+ c2 -= 0x20;\r
+ if (c1=='\0')\r
+ return ((c2=='\0') ? 0 : -1);\r
+ if (c2=='\0')\r
+ return 1;\r
+ if (c1<c2)\r
+ return -1;\r
+ if (c1>c2)\r
+ return 1;\r
+ }\r
+}\r
+\r
+\r
+#ifdef CASESENSITIVITYDEFAULT_NO\r
+#define CASESENSITIVITYDEFAULTVALUE 2\r
+#else\r
+#define CASESENSITIVITYDEFAULTVALUE 1\r
+#endif\r
+\r
+#ifndef STRCMPCASENOSENTIVEFUNCTION\r
+#define STRCMPCASENOSENTIVEFUNCTION strcmpcasenosensitive_internal\r
+#endif\r
+\r
+/*\r
+ Compare two filename (fileName1,fileName2).\r
+ If iCaseSenisivity = 1, comparision is case sensitivity (like strcmp)\r
+ If iCaseSenisivity = 2, comparision is not case sensitivity (like strcmpi\r
+ or strcasecmp)\r
+ If iCaseSenisivity = 0, case sensitivity is defaut of your operating system\r
+ (like 1 on Unix, 2 on Windows)\r
+\r
+*/\r
+extern int ZEXPORT unzStringFileNameCompare (fileName1,fileName2,iCaseSensitivity)\r
+ const char* fileName1;\r
+ const char* fileName2;\r
+ int iCaseSensitivity;\r
+{\r
+ if (iCaseSensitivity==0)\r
+ iCaseSensitivity=CASESENSITIVITYDEFAULTVALUE;\r
+\r
+ if (iCaseSensitivity==1)\r
+ return strcmp(fileName1,fileName2);\r
+\r
+ return STRCMPCASENOSENTIVEFUNCTION(fileName1,fileName2);\r
+}\r
+\r
+#ifndef BUFREADCOMMENT\r
+#define BUFREADCOMMENT (0x400)\r
+#endif\r
+\r
+/*\r
+ Locate the Central directory of a zipfile (at the end, just before\r
+ the global comment)\r
+*/\r
+local uLong unzlocal_SearchCentralDir OF((\r
+ const zlib_filefunc_def* pzlib_filefunc_def,\r
+ voidpf filestream));\r
+\r
+local uLong unzlocal_SearchCentralDir(pzlib_filefunc_def,filestream)\r
+ const zlib_filefunc_def* pzlib_filefunc_def;\r
+ voidpf filestream;\r
+{\r
+ unsigned char* buf;\r
+ uLong uSizeFile;\r
+ uLong uBackRead;\r
+ uLong uMaxBack=0xffff; /* maximum size of global comment */\r
+ uLong uPosFound=0;\r
+\r
+ if (ZSEEK(*pzlib_filefunc_def,filestream,0,ZLIB_FILEFUNC_SEEK_END) != 0)\r
+ return 0;\r
+\r
+\r
+ uSizeFile = ZTELL(*pzlib_filefunc_def,filestream);\r
+\r
+ if (uMaxBack>uSizeFile)\r
+ uMaxBack = uSizeFile;\r
+\r
+ buf = (unsigned char*)ALLOC(BUFREADCOMMENT+4);\r
+ if (buf==NULL)\r
+ return 0;\r
+\r
+ uBackRead = 4;\r
+ while (uBackRead<uMaxBack)\r
+ {\r
+ uLong uReadSize,uReadPos ;\r
+ int i;\r
+ if (uBackRead+BUFREADCOMMENT>uMaxBack)\r
+ uBackRead = uMaxBack;\r
+ else\r
+ uBackRead+=BUFREADCOMMENT;\r
+ uReadPos = uSizeFile-uBackRead ;\r
+\r
+ uReadSize = ((BUFREADCOMMENT+4) < (uSizeFile-uReadPos)) ?\r
+ (BUFREADCOMMENT+4) : (uSizeFile-uReadPos);\r
+ if (ZSEEK(*pzlib_filefunc_def,filestream,uReadPos,ZLIB_FILEFUNC_SEEK_SET)!=0)\r
+ break;\r
+\r
+ if (ZREAD(*pzlib_filefunc_def,filestream,buf,uReadSize)!=uReadSize)\r
+ break;\r
+\r
+ for (i=(int)uReadSize-3; (i--)>0;)\r
+ if (((*(buf+i))==0x50) && ((*(buf+i+1))==0x4b) &&\r
+ ((*(buf+i+2))==0x05) && ((*(buf+i+3))==0x06))\r
+ {\r
+ uPosFound = uReadPos+i;\r
+ break;\r
+ }\r
+\r
+ if (uPosFound!=0)\r
+ break;\r
+ }\r
+ TRYFREE(buf);\r
+ return uPosFound;\r
+}\r
+\r
+/*\r
+ Open a Zip file. path contain the full pathname (by example,\r
+ on a Windows NT computer "c:\\test\\zlib114.zip" or on an Unix computer\r
+ "zlib/zlib114.zip".\r
+ If the zipfile cannot be opened (file doesn't exist or in not valid), the\r
+ return value is NULL.\r
+ Else, the return value is a unzFile Handle, usable with other function\r
+ of this unzip package.\r
+*/\r
+extern unzFile ZEXPORT unzOpen2 (path, pzlib_filefunc_def)\r
+ const char *path;\r
+ zlib_filefunc_def* pzlib_filefunc_def;\r
+{\r
+ unz_s us;\r
+ unz_s *s;\r
+ uLong central_pos,uL;\r
+\r
+ uLong number_disk; /* number of the current dist, used for\r
+ spaning ZIP, unsupported, always 0*/\r
+ uLong number_disk_with_CD; /* number the the disk with central dir, used\r
+ for spaning ZIP, unsupported, always 0*/\r
+ uLong number_entry_CD; /* total number of entries in\r
+ the central dir\r
+ (same than number_entry on nospan) */\r
+\r
+ int err=UNZ_OK;\r
+\r
+ if (unz_copyright[0]!=' ')\r
+ return NULL;\r
+\r
+ if (pzlib_filefunc_def==NULL)\r
+ fill_fopen_filefunc(&us.z_filefunc);\r
+ else\r
+ us.z_filefunc = *pzlib_filefunc_def;\r
+\r
+ us.filestream= (*(us.z_filefunc.zopen_file))(us.z_filefunc.opaque,\r
+ path,\r
+ ZLIB_FILEFUNC_MODE_READ |\r
+ ZLIB_FILEFUNC_MODE_EXISTING);\r
+ if (us.filestream==NULL)\r
+ return NULL;\r
+\r
+ central_pos = unzlocal_SearchCentralDir(&us.z_filefunc,us.filestream);\r
+ if (central_pos==0)\r
+ err=UNZ_ERRNO;\r
+\r
+ if (ZSEEK(us.z_filefunc, us.filestream,\r
+ central_pos,ZLIB_FILEFUNC_SEEK_SET)!=0)\r
+ err=UNZ_ERRNO;\r
+\r
+ /* the signature, already checked */\r
+ if (unzlocal_getLong(&us.z_filefunc, us.filestream,&uL)!=UNZ_OK)\r
+ err=UNZ_ERRNO;\r
+\r
+ /* number of this disk */\r
+ if (unzlocal_getShort(&us.z_filefunc, us.filestream,&number_disk)!=UNZ_OK)\r
+ err=UNZ_ERRNO;\r
+\r
+ /* number of the disk with the start of the central directory */\r
+ if (unzlocal_getShort(&us.z_filefunc, us.filestream,&number_disk_with_CD)!=UNZ_OK)\r
+ err=UNZ_ERRNO;\r
+\r
+ /* total number of entries in the central dir on this disk */\r
+ if (unzlocal_getShort(&us.z_filefunc, us.filestream,&us.gi.number_entry)!=UNZ_OK)\r
+ err=UNZ_ERRNO;\r
+\r
+ /* total number of entries in the central dir */\r
+ if (unzlocal_getShort(&us.z_filefunc, us.filestream,&number_entry_CD)!=UNZ_OK)\r
+ err=UNZ_ERRNO;\r
+\r
+ if ((number_entry_CD!=us.gi.number_entry) ||\r
+ (number_disk_with_CD!=0) ||\r
+ (number_disk!=0))\r
+ err=UNZ_BADZIPFILE;\r
+\r
+ /* size of the central directory */\r
+ if (unzlocal_getLong(&us.z_filefunc, us.filestream,&us.size_central_dir)!=UNZ_OK)\r
+ err=UNZ_ERRNO;\r
+\r
+ /* offset of start of central directory with respect to the\r
+ starting disk number */\r
+ if (unzlocal_getLong(&us.z_filefunc, us.filestream,&us.offset_central_dir)!=UNZ_OK)\r
+ err=UNZ_ERRNO;\r
+\r
+ /* zipfile comment length */\r
+ if (unzlocal_getShort(&us.z_filefunc, us.filestream,&us.gi.size_comment)!=UNZ_OK)\r
+ err=UNZ_ERRNO;\r
+\r
+ if ((central_pos<us.offset_central_dir+us.size_central_dir) &&\r
+ (err==UNZ_OK))\r
+ err=UNZ_BADZIPFILE;\r
+\r
+ if (err!=UNZ_OK)\r
+ {\r
+ ZCLOSE(us.z_filefunc, us.filestream);\r
+ return NULL;\r
+ }\r
+\r
+ us.byte_before_the_zipfile = central_pos -\r
+ (us.offset_central_dir+us.size_central_dir);\r
+ us.central_pos = central_pos;\r
+ us.pfile_in_zip_read = NULL;\r
+ us.encrypted = 0;\r
+\r
+\r
+ s=(unz_s*)ALLOC(sizeof(unz_s));\r
+ *s=us;\r
+ unzGoToFirstFile((unzFile)s);\r
+ return (unzFile)s;\r
+}\r
+\r
+\r
+extern unzFile ZEXPORT unzOpen (path)\r
+ const char *path;\r
+{\r
+ return unzOpen2(path, NULL);\r
+}\r
+\r
+/*\r
+ Close a ZipFile opened with unzipOpen.\r
+ If there is files inside the .Zip opened with unzipOpenCurrentFile (see later),\r
+ these files MUST be closed with unzipCloseCurrentFile before call unzipClose.\r
+ return UNZ_OK if there is no problem. */\r
+extern int ZEXPORT unzClose (file)\r
+ unzFile file;\r
+{\r
+ unz_s* s;\r
+ if (file==NULL)\r
+ return UNZ_PARAMERROR;\r
+ s=(unz_s*)file;\r
+\r
+ if (s->pfile_in_zip_read!=NULL)\r
+ unzCloseCurrentFile(file);\r
+\r
+ ZCLOSE(s->z_filefunc, s->filestream);\r
+ TRYFREE(s);\r
+ return UNZ_OK;\r
+}\r
+\r
+\r
+/*\r
+ Write info about the ZipFile in the *pglobal_info structure.\r
+ No preparation of the structure is needed\r
+ return UNZ_OK if there is no problem. */\r
+extern int ZEXPORT unzGetGlobalInfo (file,pglobal_info)\r
+ unzFile file;\r
+ unz_global_info *pglobal_info;\r
+{\r
+ unz_s* s;\r
+ if (file==NULL)\r
+ return UNZ_PARAMERROR;\r
+ s=(unz_s*)file;\r
+ *pglobal_info=s->gi;\r
+ return UNZ_OK;\r
+}\r
+\r
+\r
+/*\r
+ Translate date/time from Dos format to tm_unz (readable more easilty)\r
+*/\r
+local void unzlocal_DosDateToTmuDate (ulDosDate, ptm)\r
+ uLong ulDosDate;\r
+ tm_unz* ptm;\r
+{\r
+ uLong uDate;\r
+ uDate = (uLong)(ulDosDate>>16);\r
+ ptm->tm_mday = (uInt)(uDate&0x1f) ;\r
+ ptm->tm_mon = (uInt)((((uDate)&0x1E0)/0x20)-1) ;\r
+ ptm->tm_year = (uInt)(((uDate&0x0FE00)/0x0200)+1980) ;\r
+\r
+ ptm->tm_hour = (uInt) ((ulDosDate &0xF800)/0x800);\r
+ ptm->tm_min = (uInt) ((ulDosDate&0x7E0)/0x20) ;\r
+ ptm->tm_sec = (uInt) (2*(ulDosDate&0x1f)) ;\r
+}\r
+\r
+/*\r
+ Get Info about the current file in the zipfile, with internal only info\r
+*/\r
+local int unzlocal_GetCurrentFileInfoInternal OF((unzFile file,\r
+ unz_file_info *pfile_info,\r
+ unz_file_info_internal\r
+ *pfile_info_internal,\r
+ char *szFileName,\r
+ uLong fileNameBufferSize,\r
+ void *extraField,\r
+ uLong extraFieldBufferSize,\r
+ char *szComment,\r
+ uLong commentBufferSize));\r
+\r
+local int unzlocal_GetCurrentFileInfoInternal (file,\r
+ pfile_info,\r
+ pfile_info_internal,\r
+ szFileName, fileNameBufferSize,\r
+ extraField, extraFieldBufferSize,\r
+ szComment, commentBufferSize)\r
+ unzFile file;\r
+ unz_file_info *pfile_info;\r
+ unz_file_info_internal *pfile_info_internal;\r
+ char *szFileName;\r
+ uLong fileNameBufferSize;\r
+ void *extraField;\r
+ uLong extraFieldBufferSize;\r
+ char *szComment;\r
+ uLong commentBufferSize;\r
+{\r
+ unz_s* s;\r
+ unz_file_info file_info;\r
+ unz_file_info_internal file_info_internal;\r
+ int err=UNZ_OK;\r
+ uLong uMagic;\r
+ long lSeek=0;\r
+\r
+ if (file==NULL)\r
+ return UNZ_PARAMERROR;\r
+ s=(unz_s*)file;\r
+ if (ZSEEK(s->z_filefunc, s->filestream,\r
+ s->pos_in_central_dir+s->byte_before_the_zipfile,\r
+ ZLIB_FILEFUNC_SEEK_SET)!=0)\r
+ err=UNZ_ERRNO;\r
+\r
+\r
+ /* we check the magic */\r
+ if (err==UNZ_OK)\r
+ if (unzlocal_getLong(&s->z_filefunc, s->filestream,&uMagic) != UNZ_OK)\r
+ err=UNZ_ERRNO;\r
+ else if (uMagic!=0x02014b50)\r
+ err=UNZ_BADZIPFILE;\r
+\r
+ if (unzlocal_getShort(&s->z_filefunc, s->filestream,&file_info.version) != UNZ_OK)\r
+ err=UNZ_ERRNO;\r
+\r
+ if (unzlocal_getShort(&s->z_filefunc, s->filestream,&file_info.version_needed) != UNZ_OK)\r
+ err=UNZ_ERRNO;\r
+\r
+ if (unzlocal_getShort(&s->z_filefunc, s->filestream,&file_info.flag) != UNZ_OK)\r
+ err=UNZ_ERRNO;\r
+\r
+ if (unzlocal_getShort(&s->z_filefunc, s->filestream,&file_info.compression_method) != UNZ_OK)\r
+ err=UNZ_ERRNO;\r
+\r
+ if (unzlocal_getLong(&s->z_filefunc, s->filestream,&file_info.dosDate) != UNZ_OK)\r
+ err=UNZ_ERRNO;\r
+\r
+ unzlocal_DosDateToTmuDate(file_info.dosDate,&file_info.tmu_date);\r
+\r
+ if (unzlocal_getLong(&s->z_filefunc, s->filestream,&file_info.crc) != UNZ_OK)\r
+ err=UNZ_ERRNO;\r
+\r
+ if (unzlocal_getLong(&s->z_filefunc, s->filestream,&file_info.compressed_size) != UNZ_OK)\r
+ err=UNZ_ERRNO;\r
+\r
+ if (unzlocal_getLong(&s->z_filefunc, s->filestream,&file_info.uncompressed_size) != UNZ_OK)\r
+ err=UNZ_ERRNO;\r
+\r
+ if (unzlocal_getShort(&s->z_filefunc, s->filestream,&file_info.size_filename) != UNZ_OK)\r
+ err=UNZ_ERRNO;\r
+\r
+ if (unzlocal_getShort(&s->z_filefunc, s->filestream,&file_info.size_file_extra) != UNZ_OK)\r
+ err=UNZ_ERRNO;\r
+\r
+ if (unzlocal_getShort(&s->z_filefunc, s->filestream,&file_info.size_file_comment) != UNZ_OK)\r
+ err=UNZ_ERRNO;\r
+\r
+ if (unzlocal_getShort(&s->z_filefunc, s->filestream,&file_info.disk_num_start) != UNZ_OK)\r
+ err=UNZ_ERRNO;\r
+\r
+ if (unzlocal_getShort(&s->z_filefunc, s->filestream,&file_info.internal_fa) != UNZ_OK)\r
+ err=UNZ_ERRNO;\r
+\r
+ if (unzlocal_getLong(&s->z_filefunc, s->filestream,&file_info.external_fa) != UNZ_OK)\r
+ err=UNZ_ERRNO;\r
+\r
+ if (unzlocal_getLong(&s->z_filefunc, s->filestream,&file_info_internal.offset_curfile) != UNZ_OK)\r
+ err=UNZ_ERRNO;\r
+\r
+ lSeek+=file_info.size_filename;\r
+ if ((err==UNZ_OK) && (szFileName!=NULL))\r
+ {\r
+ uLong uSizeRead ;\r
+ if (file_info.size_filename<fileNameBufferSize)\r
+ {\r
+ *(szFileName+file_info.size_filename)='\0';\r
+ uSizeRead = file_info.size_filename;\r
+ }\r
+ else\r
+ uSizeRead = fileNameBufferSize;\r
+\r
+ if ((file_info.size_filename>0) && (fileNameBufferSize>0))\r
+ if (ZREAD(s->z_filefunc, s->filestream,szFileName,uSizeRead)!=uSizeRead)\r
+ err=UNZ_ERRNO;\r
+ lSeek -= uSizeRead;\r
+ }\r
+\r
+\r
+ if ((err==UNZ_OK) && (extraField!=NULL))\r
+ {\r
+ uLong uSizeRead ;\r
+ if (file_info.size_file_extra<extraFieldBufferSize)\r
+ uSizeRead = file_info.size_file_extra;\r
+ else\r
+ uSizeRead = extraFieldBufferSize;\r
+\r
+ if (lSeek!=0)\r
+ if (ZSEEK(s->z_filefunc, s->filestream,lSeek,ZLIB_FILEFUNC_SEEK_CUR)==0)\r
+ lSeek=0;\r
+ else\r
+ err=UNZ_ERRNO;\r
+ if ((file_info.size_file_extra>0) && (extraFieldBufferSize>0))\r
+ if (ZREAD(s->z_filefunc, s->filestream,extraField,uSizeRead)!=uSizeRead)\r
+ err=UNZ_ERRNO;\r
+ lSeek += file_info.size_file_extra - uSizeRead;\r
+ }\r
+ else\r
+ lSeek+=file_info.size_file_extra;\r
+\r
+\r
+ if ((err==UNZ_OK) && (szComment!=NULL))\r
+ {\r
+ uLong uSizeRead ;\r
+ if (file_info.size_file_comment<commentBufferSize)\r
+ {\r
+ *(szComment+file_info.size_file_comment)='\0';\r
+ uSizeRead = file_info.size_file_comment;\r
+ }\r
+ else\r
+ uSizeRead = commentBufferSize;\r
+\r
+ if (lSeek!=0)\r
+ if (ZSEEK(s->z_filefunc, s->filestream,lSeek,ZLIB_FILEFUNC_SEEK_CUR)==0)\r
+ lSeek=0;\r
+ else\r
+ err=UNZ_ERRNO;\r
+ if ((file_info.size_file_comment>0) && (commentBufferSize>0))\r
+ if (ZREAD(s->z_filefunc, s->filestream,szComment,uSizeRead)!=uSizeRead)\r
+ err=UNZ_ERRNO;\r
+ lSeek+=file_info.size_file_comment - uSizeRead;\r
+ }\r
+ else\r
+ lSeek+=file_info.size_file_comment;\r
+\r
+ if ((err==UNZ_OK) && (pfile_info!=NULL))\r
+ *pfile_info=file_info;\r
+\r
+ if ((err==UNZ_OK) && (pfile_info_internal!=NULL))\r
+ *pfile_info_internal=file_info_internal;\r
+\r
+ return err;\r
+}\r
+\r
+\r
+\r
+/*\r
+ Write info about the ZipFile in the *pglobal_info structure.\r
+ No preparation of the structure is needed\r
+ return UNZ_OK if there is no problem.\r
+*/\r
+extern int ZEXPORT unzGetCurrentFileInfo (file,\r
+ pfile_info,\r
+ szFileName, fileNameBufferSize,\r
+ extraField, extraFieldBufferSize,\r
+ szComment, commentBufferSize)\r
+ unzFile file;\r
+ unz_file_info *pfile_info;\r
+ char *szFileName;\r
+ uLong fileNameBufferSize;\r
+ void *extraField;\r
+ uLong extraFieldBufferSize;\r
+ char *szComment;\r
+ uLong commentBufferSize;\r
+{\r
+ return unzlocal_GetCurrentFileInfoInternal(file,pfile_info,NULL,\r
+ szFileName,fileNameBufferSize,\r
+ extraField,extraFieldBufferSize,\r
+ szComment,commentBufferSize);\r
+}\r
+\r
+/*\r
+ Set the current file of the zipfile to the first file.\r
+ return UNZ_OK if there is no problem\r
+*/\r
+extern int ZEXPORT unzGoToFirstFile (file)\r
+ unzFile file;\r
+{\r
+ int err=UNZ_OK;\r
+ unz_s* s;\r
+ if (file==NULL)\r
+ return UNZ_PARAMERROR;\r
+ s=(unz_s*)file;\r
+ s->pos_in_central_dir=s->offset_central_dir;\r
+ s->num_file=0;\r
+ err=unzlocal_GetCurrentFileInfoInternal(file,&s->cur_file_info,\r
+ &s->cur_file_info_internal,\r
+ NULL,0,NULL,0,NULL,0);\r
+ s->current_file_ok = (err == UNZ_OK);\r
+ return err;\r
+}\r
+\r
+/*\r
+ Set the current file of the zipfile to the next file.\r
+ return UNZ_OK if there is no problem\r
+ return UNZ_END_OF_LIST_OF_FILE if the actual file was the latest.\r
+*/\r
+extern int ZEXPORT unzGoToNextFile (file)\r
+ unzFile file;\r
+{\r
+ unz_s* s;\r
+ int err;\r
+\r
+ if (file==NULL)\r
+ return UNZ_PARAMERROR;\r
+ s=(unz_s*)file;\r
+ if (!s->current_file_ok)\r
+ return UNZ_END_OF_LIST_OF_FILE;\r
+ if (s->gi.number_entry != 0xffff) /* 2^16 files overflow hack */\r
+ if (s->num_file+1==s->gi.number_entry)\r
+ return UNZ_END_OF_LIST_OF_FILE;\r
+\r
+ s->pos_in_central_dir += SIZECENTRALDIRITEM + s->cur_file_info.size_filename +\r
+ s->cur_file_info.size_file_extra + s->cur_file_info.size_file_comment ;\r
+ s->num_file++;\r
+ err = unzlocal_GetCurrentFileInfoInternal(file,&s->cur_file_info,\r
+ &s->cur_file_info_internal,\r
+ NULL,0,NULL,0,NULL,0);\r
+ s->current_file_ok = (err == UNZ_OK);\r
+ return err;\r
+}\r
+\r
+\r
+/*\r
+ Try locate the file szFileName in the zipfile.\r
+ For the iCaseSensitivity signification, see unzipStringFileNameCompare\r
+\r
+ return value :\r
+ UNZ_OK if the file is found. It becomes the current file.\r
+ UNZ_END_OF_LIST_OF_FILE if the file is not found\r
+*/\r
+extern int ZEXPORT unzLocateFile (file, szFileName, iCaseSensitivity)\r
+ unzFile file;\r
+ const char *szFileName;\r
+ int iCaseSensitivity;\r
+{\r
+ unz_s* s;\r
+ int err;\r
+\r
+ /* We remember the 'current' position in the file so that we can jump\r
+ * back there if we fail.\r
+ */\r
+ unz_file_info cur_file_infoSaved;\r
+ unz_file_info_internal cur_file_info_internalSaved;\r
+ uLong num_fileSaved;\r
+ uLong pos_in_central_dirSaved;\r
+\r
+\r
+ if (file==NULL)\r
+ return UNZ_PARAMERROR;\r
+\r
+ if (strlen(szFileName)>=UNZ_MAXFILENAMEINZIP)\r
+ return UNZ_PARAMERROR;\r
+\r
+ s=(unz_s*)file;\r
+ if (!s->current_file_ok)\r
+ return UNZ_END_OF_LIST_OF_FILE;\r
+\r
+ /* Save the current state */\r
+ num_fileSaved = s->num_file;\r
+ pos_in_central_dirSaved = s->pos_in_central_dir;\r
+ cur_file_infoSaved = s->cur_file_info;\r
+ cur_file_info_internalSaved = s->cur_file_info_internal;\r
+\r
+ err = unzGoToFirstFile(file);\r
+\r
+ while (err == UNZ_OK)\r
+ {\r
+ char szCurrentFileName[UNZ_MAXFILENAMEINZIP+1];\r
+ err = unzGetCurrentFileInfo(file,NULL,\r
+ szCurrentFileName,sizeof(szCurrentFileName)-1,\r
+ NULL,0,NULL,0);\r
+ if (err == UNZ_OK)\r
+ {\r
+ if (unzStringFileNameCompare(szCurrentFileName,\r
+ szFileName,iCaseSensitivity)==0)\r
+ return UNZ_OK;\r
+ err = unzGoToNextFile(file);\r
+ }\r
+ }\r
+\r
+ /* We failed, so restore the state of the 'current file' to where we\r
+ * were.\r
+ */\r
+ s->num_file = num_fileSaved ;\r
+ s->pos_in_central_dir = pos_in_central_dirSaved ;\r
+ s->cur_file_info = cur_file_infoSaved;\r
+ s->cur_file_info_internal = cur_file_info_internalSaved;\r
+ return err;\r
+}\r
+\r
+\r
+/*\r
+///////////////////////////////////////////\r
+// Contributed by Ryan Haksi (mailto://cryogen@infoserve.net)\r
+// I need random access\r
+//\r
+// Further optimization could be realized by adding an ability\r
+// to cache the directory in memory. The goal being a single\r
+// comprehensive file read to put the file I need in a memory.\r
+*/\r
+\r
+/*\r
+typedef struct unz_file_pos_s\r
+{\r
+ uLong pos_in_zip_directory; // offset in file\r
+ uLong num_of_file; // # of file\r
+} unz_file_pos;\r
+*/\r
+\r
+extern int ZEXPORT unzGetFilePos(file, file_pos)\r
+ unzFile file;\r
+ unz_file_pos* file_pos;\r
+{\r
+ unz_s* s;\r
+\r
+ if (file==NULL || file_pos==NULL)\r
+ return UNZ_PARAMERROR;\r
+ s=(unz_s*)file;\r
+ if (!s->current_file_ok)\r
+ return UNZ_END_OF_LIST_OF_FILE;\r
+\r
+ file_pos->pos_in_zip_directory = s->pos_in_central_dir;\r
+ file_pos->num_of_file = s->num_file;\r
+\r
+ return UNZ_OK;\r
+}\r
+\r
+extern int ZEXPORT unzGoToFilePos(file, file_pos)\r
+ unzFile file;\r
+ unz_file_pos* file_pos;\r
+{\r
+ unz_s* s;\r
+ int err;\r
+\r
+ if (file==NULL || file_pos==NULL)\r
+ return UNZ_PARAMERROR;\r
+ s=(unz_s*)file;\r
+\r
+ /* jump to the right spot */\r
+ s->pos_in_central_dir = file_pos->pos_in_zip_directory;\r
+ s->num_file = file_pos->num_of_file;\r
+\r
+ /* set the current file */\r
+ err = unzlocal_GetCurrentFileInfoInternal(file,&s->cur_file_info,\r
+ &s->cur_file_info_internal,\r
+ NULL,0,NULL,0,NULL,0);\r
+ /* return results */\r
+ s->current_file_ok = (err == UNZ_OK);\r
+ return err;\r
+}\r
+\r
+/*\r
+// Unzip Helper Functions - should be here?\r
+///////////////////////////////////////////\r
+*/\r
+\r
+/*\r
+ Read the local header of the current zipfile\r
+ Check the coherency of the local header and info in the end of central\r
+ directory about this file\r
+ store in *piSizeVar the size of extra info in local header\r
+ (filename and size of extra field data)\r
+*/\r
+local int unzlocal_CheckCurrentFileCoherencyHeader (s,piSizeVar,\r
+ poffset_local_extrafield,\r
+ psize_local_extrafield)\r
+ unz_s* s;\r
+ uInt* piSizeVar;\r
+ uLong *poffset_local_extrafield;\r
+ uInt *psize_local_extrafield;\r
+{\r
+ uLong uMagic,uData,uFlags;\r
+ uLong size_filename;\r
+ uLong size_extra_field;\r
+ int err=UNZ_OK;\r
+\r
+ *piSizeVar = 0;\r
+ *poffset_local_extrafield = 0;\r
+ *psize_local_extrafield = 0;\r
+\r
+ if (ZSEEK(s->z_filefunc, s->filestream,s->cur_file_info_internal.offset_curfile +\r
+ s->byte_before_the_zipfile,ZLIB_FILEFUNC_SEEK_SET)!=0)\r
+ return UNZ_ERRNO;\r
+\r
+\r
+ if (err==UNZ_OK)\r
+ if (unzlocal_getLong(&s->z_filefunc, s->filestream,&uMagic) != UNZ_OK)\r
+ err=UNZ_ERRNO;\r
+ else if (uMagic!=0x04034b50)\r
+ err=UNZ_BADZIPFILE;\r
+\r
+ if (unzlocal_getShort(&s->z_filefunc, s->filestream,&uData) != UNZ_OK)\r
+ err=UNZ_ERRNO;\r
+/*\r
+ else if ((err==UNZ_OK) && (uData!=s->cur_file_info.wVersion))\r
+ err=UNZ_BADZIPFILE;\r
+*/\r
+ if (unzlocal_getShort(&s->z_filefunc, s->filestream,&uFlags) != UNZ_OK)\r
+ err=UNZ_ERRNO;\r
+\r
+ if (unzlocal_getShort(&s->z_filefunc, s->filestream,&uData) != UNZ_OK)\r
+ err=UNZ_ERRNO;\r
+ else if ((err==UNZ_OK) && (uData!=s->cur_file_info.compression_method))\r
+ err=UNZ_BADZIPFILE;\r
+\r
+ if ((err==UNZ_OK) && (s->cur_file_info.compression_method!=0) &&\r
+ (s->cur_file_info.compression_method!=Z_DEFLATED))\r
+ err=UNZ_BADZIPFILE;\r
+\r
+ if (unzlocal_getLong(&s->z_filefunc, s->filestream,&uData) != UNZ_OK) /* date/time */\r
+ err=UNZ_ERRNO;\r
+\r
+ if (unzlocal_getLong(&s->z_filefunc, s->filestream,&uData) != UNZ_OK) /* crc */\r
+ err=UNZ_ERRNO;\r
+ else if ((err==UNZ_OK) && (uData!=s->cur_file_info.crc) &&\r
+ ((uFlags & 8)==0))\r
+ err=UNZ_BADZIPFILE;\r
+\r
+ if (unzlocal_getLong(&s->z_filefunc, s->filestream,&uData) != UNZ_OK) /* size compr */\r
+ err=UNZ_ERRNO;\r
+ else if ((err==UNZ_OK) && (uData!=s->cur_file_info.compressed_size) &&\r
+ ((uFlags & 8)==0))\r
+ err=UNZ_BADZIPFILE;\r
+\r
+ if (unzlocal_getLong(&s->z_filefunc, s->filestream,&uData) != UNZ_OK) /* size uncompr */\r
+ err=UNZ_ERRNO;\r
+ else if ((err==UNZ_OK) && (uData!=s->cur_file_info.uncompressed_size) &&\r
+ ((uFlags & 8)==0))\r
+ err=UNZ_BADZIPFILE;\r
+\r
+\r
+ if (unzlocal_getShort(&s->z_filefunc, s->filestream,&size_filename) != UNZ_OK)\r
+ err=UNZ_ERRNO;\r
+ else if ((err==UNZ_OK) && (size_filename!=s->cur_file_info.size_filename))\r
+ err=UNZ_BADZIPFILE;\r
+\r
+ *piSizeVar += (uInt)size_filename;\r
+\r
+ if (unzlocal_getShort(&s->z_filefunc, s->filestream,&size_extra_field) != UNZ_OK)\r
+ err=UNZ_ERRNO;\r
+ *poffset_local_extrafield= s->cur_file_info_internal.offset_curfile +\r
+ SIZEZIPLOCALHEADER + size_filename;\r
+ *psize_local_extrafield = (uInt)size_extra_field;\r
+\r
+ *piSizeVar += (uInt)size_extra_field;\r
+\r
+ return err;\r
+}\r
+\r
+/*\r
+ Open for reading data the current file in the zipfile.\r
+ If there is no error and the file is opened, the return value is UNZ_OK.\r
+*/\r
+extern int ZEXPORT unzOpenCurrentFile3 (file, method, level, raw, password)\r
+ unzFile file;\r
+ int* method;\r
+ int* level;\r
+ int raw;\r
+ const char* password;\r
+{\r
+ int err=UNZ_OK;\r
+ uInt iSizeVar;\r
+ unz_s* s;\r
+ file_in_zip_read_info_s* pfile_in_zip_read_info;\r
+ uLong offset_local_extrafield; /* offset of the local extra field */\r
+ uInt size_local_extrafield; /* size of the local extra field */\r
+# ifndef NOUNCRYPT\r
+ char source[12];\r
+# else\r
+ if (password != NULL)\r
+ return UNZ_PARAMERROR;\r
+# endif\r
+\r
+ if (file==NULL)\r
+ return UNZ_PARAMERROR;\r
+ s=(unz_s*)file;\r
+ if (!s->current_file_ok)\r
+ return UNZ_PARAMERROR;\r
+\r
+ if (s->pfile_in_zip_read != NULL)\r
+ unzCloseCurrentFile(file);\r
+\r
+ if (unzlocal_CheckCurrentFileCoherencyHeader(s,&iSizeVar,\r
+ &offset_local_extrafield,&size_local_extrafield)!=UNZ_OK)\r
+ return UNZ_BADZIPFILE;\r
+\r
+ pfile_in_zip_read_info = (file_in_zip_read_info_s*)\r
+ ALLOC(sizeof(file_in_zip_read_info_s));\r
+ if (pfile_in_zip_read_info==NULL)\r
+ return UNZ_INTERNALERROR;\r
+\r
+ pfile_in_zip_read_info->read_buffer=(char*)ALLOC(UNZ_BUFSIZE);\r
+ pfile_in_zip_read_info->offset_local_extrafield = offset_local_extrafield;\r
+ pfile_in_zip_read_info->size_local_extrafield = size_local_extrafield;\r
+ pfile_in_zip_read_info->pos_local_extrafield=0;\r
+ pfile_in_zip_read_info->raw=raw;\r
+\r
+ if (pfile_in_zip_read_info->read_buffer==NULL)\r
+ {\r
+ TRYFREE(pfile_in_zip_read_info);\r
+ return UNZ_INTERNALERROR;\r
+ }\r
+\r
+ pfile_in_zip_read_info->stream_initialised=0;\r
+\r
+ if (method!=NULL)\r
+ *method = (int)s->cur_file_info.compression_method;\r
+\r
+ if (level!=NULL)\r
+ {\r
+ *level = 6;\r
+ switch (s->cur_file_info.flag & 0x06)\r
+ {\r
+ case 6 : *level = 1; break;\r
+ case 4 : *level = 2; break;\r
+ case 2 : *level = 9; break;\r
+ }\r
+ }\r
+\r
+ if ((s->cur_file_info.compression_method!=0) &&\r
+ (s->cur_file_info.compression_method!=Z_DEFLATED))\r
+ err=UNZ_BADZIPFILE;\r
+\r
+ pfile_in_zip_read_info->crc32_wait=s->cur_file_info.crc;\r
+ pfile_in_zip_read_info->crc32=0;\r
+ pfile_in_zip_read_info->compression_method =\r
+ s->cur_file_info.compression_method;\r
+ pfile_in_zip_read_info->filestream=s->filestream;\r
+ pfile_in_zip_read_info->z_filefunc=s->z_filefunc;\r
+ pfile_in_zip_read_info->byte_before_the_zipfile=s->byte_before_the_zipfile;\r
+\r
+ pfile_in_zip_read_info->stream.total_out = 0;\r
+\r
+ if ((s->cur_file_info.compression_method==Z_DEFLATED) &&\r
+ (!raw))\r
+ {\r
+ pfile_in_zip_read_info->stream.zalloc = (alloc_func)0;\r
+ pfile_in_zip_read_info->stream.zfree = (free_func)0;\r
+ pfile_in_zip_read_info->stream.opaque = (voidpf)0;\r
+ pfile_in_zip_read_info->stream.next_in = (voidpf)0;\r
+ pfile_in_zip_read_info->stream.avail_in = 0;\r
+\r
+ err=inflateInit2(&pfile_in_zip_read_info->stream, -MAX_WBITS);\r
+ if (err == Z_OK)\r
+ pfile_in_zip_read_info->stream_initialised=1;\r
+ else\r
+ {\r
+ TRYFREE(pfile_in_zip_read_info);\r
+ return err;\r
+ }\r
+ /* windowBits is passed < 0 to tell that there is no zlib header.\r
+ * Note that in this case inflate *requires* an extra "dummy" byte\r
+ * after the compressed stream in order to complete decompression and\r
+ * return Z_STREAM_END.\r
+ * In unzip, i don't wait absolutely Z_STREAM_END because I known the\r
+ * size of both compressed and uncompressed data\r
+ */\r
+ }\r
+ pfile_in_zip_read_info->rest_read_compressed =\r
+ s->cur_file_info.compressed_size ;\r
+ pfile_in_zip_read_info->rest_read_uncompressed =\r
+ s->cur_file_info.uncompressed_size ;\r
+\r
+\r
+ pfile_in_zip_read_info->pos_in_zipfile =\r
+ s->cur_file_info_internal.offset_curfile + SIZEZIPLOCALHEADER +\r
+ iSizeVar;\r
+\r
+ pfile_in_zip_read_info->stream.avail_in = (uInt)0;\r
+\r
+ s->pfile_in_zip_read = pfile_in_zip_read_info;\r
+\r
+# ifndef NOUNCRYPT\r
+ if (password != NULL)\r
+ {\r
+ int i;\r
+ s->pcrc_32_tab = get_crc_table();\r
+ init_keys(password,s->keys,s->pcrc_32_tab);\r
+ if (ZSEEK(s->z_filefunc, s->filestream,\r
+ s->pfile_in_zip_read->pos_in_zipfile +\r
+ s->pfile_in_zip_read->byte_before_the_zipfile,\r
+ SEEK_SET)!=0)\r
+ return UNZ_INTERNALERROR;\r
+ if(ZREAD(s->z_filefunc, s->filestream,source, 12)<12)\r
+ return UNZ_INTERNALERROR;\r
+\r
+ for (i = 0; i<12; i++)\r
+ zdecode(s->keys,s->pcrc_32_tab,source[i]);\r
+\r
+ s->pfile_in_zip_read->pos_in_zipfile+=12;\r
+ s->encrypted=1;\r
+ }\r
+# endif\r
+\r
+\r
+ return UNZ_OK;\r
+}\r
+\r
+extern int ZEXPORT unzOpenCurrentFile (file)\r
+ unzFile file;\r
+{\r
+ return unzOpenCurrentFile3(file, NULL, NULL, 0, NULL);\r
+}\r
+\r
+extern int ZEXPORT unzOpenCurrentFilePassword (file, password)\r
+ unzFile file;\r
+ const char* password;\r
+{\r
+ return unzOpenCurrentFile3(file, NULL, NULL, 0, password);\r
+}\r
+\r
+extern int ZEXPORT unzOpenCurrentFile2 (file,method,level,raw)\r
+ unzFile file;\r
+ int* method;\r
+ int* level;\r
+ int raw;\r
+{\r
+ return unzOpenCurrentFile3(file, method, level, raw, NULL);\r
+}\r
+\r
+/*\r
+ Read bytes from the current file.\r
+ buf contain buffer where data must be copied\r
+ len the size of buf.\r
+\r
+ return the number of byte copied if somes bytes are copied\r
+ return 0 if the end of file was reached\r
+ return <0 with error code if there is an error\r
+ (UNZ_ERRNO for IO error, or zLib error for uncompress error)\r
+*/\r
+extern int ZEXPORT unzReadCurrentFile (file, buf, len)\r
+ unzFile file;\r
+ voidp buf;\r
+ unsigned len;\r
+{\r
+ int err=UNZ_OK;\r
+ uInt iRead = 0;\r
+ unz_s* s;\r
+ file_in_zip_read_info_s* pfile_in_zip_read_info;\r
+ if (file==NULL)\r
+ return UNZ_PARAMERROR;\r
+ s=(unz_s*)file;\r
+ pfile_in_zip_read_info=s->pfile_in_zip_read;\r
+\r
+ if (pfile_in_zip_read_info==NULL)\r
+ return UNZ_PARAMERROR;\r
+\r
+\r
+ if ((pfile_in_zip_read_info->read_buffer == NULL))\r
+ return UNZ_END_OF_LIST_OF_FILE;\r
+ if (len==0)\r
+ return 0;\r
+\r
+ pfile_in_zip_read_info->stream.next_out = (Bytef*)buf;\r
+\r
+ pfile_in_zip_read_info->stream.avail_out = (uInt)len;\r
+\r
+ if ((len>pfile_in_zip_read_info->rest_read_uncompressed) &&\r
+ (!(pfile_in_zip_read_info->raw)))\r
+ pfile_in_zip_read_info->stream.avail_out =\r
+ (uInt)pfile_in_zip_read_info->rest_read_uncompressed;\r
+\r
+ if ((len>pfile_in_zip_read_info->rest_read_compressed+\r
+ pfile_in_zip_read_info->stream.avail_in) &&\r
+ (pfile_in_zip_read_info->raw))\r
+ pfile_in_zip_read_info->stream.avail_out =\r
+ (uInt)pfile_in_zip_read_info->rest_read_compressed+\r
+ pfile_in_zip_read_info->stream.avail_in;\r
+\r
+ while (pfile_in_zip_read_info->stream.avail_out>0)\r
+ {\r
+ if ((pfile_in_zip_read_info->stream.avail_in==0) &&\r
+ (pfile_in_zip_read_info->rest_read_compressed>0))\r
+ {\r
+ uInt uReadThis = UNZ_BUFSIZE;\r
+ if (pfile_in_zip_read_info->rest_read_compressed<uReadThis)\r
+ uReadThis = (uInt)pfile_in_zip_read_info->rest_read_compressed;\r
+ if (uReadThis == 0)\r
+ return UNZ_EOF;\r
+ if (ZSEEK(pfile_in_zip_read_info->z_filefunc,\r
+ pfile_in_zip_read_info->filestream,\r
+ pfile_in_zip_read_info->pos_in_zipfile +\r
+ pfile_in_zip_read_info->byte_before_the_zipfile,\r
+ ZLIB_FILEFUNC_SEEK_SET)!=0)\r
+ return UNZ_ERRNO;\r
+ if (ZREAD(pfile_in_zip_read_info->z_filefunc,\r
+ pfile_in_zip_read_info->filestream,\r
+ pfile_in_zip_read_info->read_buffer,\r
+ uReadThis)!=uReadThis)\r
+ return UNZ_ERRNO;\r
+\r
+\r
+# ifndef NOUNCRYPT\r
+ if(s->encrypted)\r
+ {\r
+ uInt i;\r
+ for(i=0;i<uReadThis;i++)\r
+ pfile_in_zip_read_info->read_buffer[i] =\r
+ zdecode(s->keys,s->pcrc_32_tab,\r
+ pfile_in_zip_read_info->read_buffer[i]);\r
+ }\r
+# endif\r
+\r
+\r
+ pfile_in_zip_read_info->pos_in_zipfile += uReadThis;\r
+\r
+ pfile_in_zip_read_info->rest_read_compressed-=uReadThis;\r
+\r
+ pfile_in_zip_read_info->stream.next_in =\r
+ (Bytef*)pfile_in_zip_read_info->read_buffer;\r
+ pfile_in_zip_read_info->stream.avail_in = (uInt)uReadThis;\r
+ }\r
+\r
+ if ((pfile_in_zip_read_info->compression_method==0) || (pfile_in_zip_read_info->raw))\r
+ {\r
+ uInt uDoCopy,i ;\r
+\r
+ if ((pfile_in_zip_read_info->stream.avail_in == 0) &&\r
+ (pfile_in_zip_read_info->rest_read_compressed == 0))\r
+ return (iRead==0) ? UNZ_EOF : iRead;\r
+\r
+ if (pfile_in_zip_read_info->stream.avail_out <\r
+ pfile_in_zip_read_info->stream.avail_in)\r
+ uDoCopy = pfile_in_zip_read_info->stream.avail_out ;\r
+ else\r
+ uDoCopy = pfile_in_zip_read_info->stream.avail_in ;\r
+\r
+ for (i=0;i<uDoCopy;i++)\r
+ *(pfile_in_zip_read_info->stream.next_out+i) =\r
+ *(pfile_in_zip_read_info->stream.next_in+i);\r
+\r
+ pfile_in_zip_read_info->crc32 = crc32(pfile_in_zip_read_info->crc32,\r
+ pfile_in_zip_read_info->stream.next_out,\r
+ uDoCopy);\r
+ pfile_in_zip_read_info->rest_read_uncompressed-=uDoCopy;\r
+ pfile_in_zip_read_info->stream.avail_in -= uDoCopy;\r
+ pfile_in_zip_read_info->stream.avail_out -= uDoCopy;\r
+ pfile_in_zip_read_info->stream.next_out += uDoCopy;\r
+ pfile_in_zip_read_info->stream.next_in += uDoCopy;\r
+ pfile_in_zip_read_info->stream.total_out += uDoCopy;\r
+ iRead += uDoCopy;\r
+ }\r
+ else\r
+ {\r
+ uLong uTotalOutBefore,uTotalOutAfter;\r
+ const Bytef *bufBefore;\r
+ uLong uOutThis;\r
+ int flush=Z_SYNC_FLUSH;\r
+\r
+ uTotalOutBefore = pfile_in_zip_read_info->stream.total_out;\r
+ bufBefore = pfile_in_zip_read_info->stream.next_out;\r
+\r
+ /*\r
+ if ((pfile_in_zip_read_info->rest_read_uncompressed ==\r
+ pfile_in_zip_read_info->stream.avail_out) &&\r
+ (pfile_in_zip_read_info->rest_read_compressed == 0))\r
+ flush = Z_FINISH;\r
+ */\r
+ err=inflate(&pfile_in_zip_read_info->stream,flush);\r
+\r
+ if ((err>=0) && (pfile_in_zip_read_info->stream.msg!=NULL))\r
+ err = Z_DATA_ERROR;\r
+\r
+ uTotalOutAfter = pfile_in_zip_read_info->stream.total_out;\r
+ uOutThis = uTotalOutAfter-uTotalOutBefore;\r
+\r
+ pfile_in_zip_read_info->crc32 =\r
+ crc32(pfile_in_zip_read_info->crc32,bufBefore,\r
+ (uInt)(uOutThis));\r
+\r
+ pfile_in_zip_read_info->rest_read_uncompressed -=\r
+ uOutThis;\r
+\r
+ iRead += (uInt)(uTotalOutAfter - uTotalOutBefore);\r
+\r
+ if (err==Z_STREAM_END)\r
+ return (iRead==0) ? UNZ_EOF : iRead;\r
+ if (err!=Z_OK)\r
+ break;\r
+ }\r
+ }\r
+\r
+ if (err==Z_OK)\r
+ return iRead;\r
+ return err;\r
+}\r
+\r
+\r
+/*\r
+ Give the current position in uncompressed data\r
+*/\r
+extern z_off_t ZEXPORT unztell (file)\r
+ unzFile file;\r
+{\r
+ unz_s* s;\r
+ file_in_zip_read_info_s* pfile_in_zip_read_info;\r
+ if (file==NULL)\r
+ return UNZ_PARAMERROR;\r
+ s=(unz_s*)file;\r
+ pfile_in_zip_read_info=s->pfile_in_zip_read;\r
+\r
+ if (pfile_in_zip_read_info==NULL)\r
+ return UNZ_PARAMERROR;\r
+\r
+ return (z_off_t)pfile_in_zip_read_info->stream.total_out;\r
+}\r
+\r
+\r
+/*\r
+ return 1 if the end of file was reached, 0 elsewhere\r
+*/\r
+extern int ZEXPORT unzeof (file)\r
+ unzFile file;\r
+{\r
+ unz_s* s;\r
+ file_in_zip_read_info_s* pfile_in_zip_read_info;\r
+ if (file==NULL)\r
+ return UNZ_PARAMERROR;\r
+ s=(unz_s*)file;\r
+ pfile_in_zip_read_info=s->pfile_in_zip_read;\r
+\r
+ if (pfile_in_zip_read_info==NULL)\r
+ return UNZ_PARAMERROR;\r
+\r
+ if (pfile_in_zip_read_info->rest_read_uncompressed == 0)\r
+ return 1;\r
+ else\r
+ return 0;\r
+}\r
+\r
+\r
+\r
+/*\r
+ Read extra field from the current file (opened by unzOpenCurrentFile)\r
+ This is the local-header version of the extra field (sometimes, there is\r
+ more info in the local-header version than in the central-header)\r
+\r
+ if buf==NULL, it return the size of the local extra field that can be read\r
+\r
+ if buf!=NULL, len is the size of the buffer, the extra header is copied in\r
+ buf.\r
+ the return value is the number of bytes copied in buf, or (if <0)\r
+ the error code\r
+*/\r
+extern int ZEXPORT unzGetLocalExtrafield (file,buf,len)\r
+ unzFile file;\r
+ voidp buf;\r
+ unsigned len;\r
+{\r
+ unz_s* s;\r
+ file_in_zip_read_info_s* pfile_in_zip_read_info;\r
+ uInt read_now;\r
+ uLong size_to_read;\r
+\r
+ if (file==NULL)\r
+ return UNZ_PARAMERROR;\r
+ s=(unz_s*)file;\r
+ pfile_in_zip_read_info=s->pfile_in_zip_read;\r
+\r
+ if (pfile_in_zip_read_info==NULL)\r
+ return UNZ_PARAMERROR;\r
+\r
+ size_to_read = (pfile_in_zip_read_info->size_local_extrafield -\r
+ pfile_in_zip_read_info->pos_local_extrafield);\r
+\r
+ if (buf==NULL)\r
+ return (int)size_to_read;\r
+\r
+ if (len>size_to_read)\r
+ read_now = (uInt)size_to_read;\r
+ else\r
+ read_now = (uInt)len ;\r
+\r
+ if (read_now==0)\r
+ return 0;\r
+\r
+ if (ZSEEK(pfile_in_zip_read_info->z_filefunc,\r
+ pfile_in_zip_read_info->filestream,\r
+ pfile_in_zip_read_info->offset_local_extrafield +\r
+ pfile_in_zip_read_info->pos_local_extrafield,\r
+ ZLIB_FILEFUNC_SEEK_SET)!=0)\r
+ return UNZ_ERRNO;\r
+\r
+ if (ZREAD(pfile_in_zip_read_info->z_filefunc,\r
+ pfile_in_zip_read_info->filestream,\r
+ buf,read_now)!=read_now)\r
+ return UNZ_ERRNO;\r
+\r
+ return (int)read_now;\r
+}\r
+\r
+/*\r
+ Close the file in zip opened with unzipOpenCurrentFile\r
+ Return UNZ_CRCERROR if all the file was read but the CRC is not good\r
+*/\r
+extern int ZEXPORT unzCloseCurrentFile (file)\r
+ unzFile file;\r
+{\r
+ int err=UNZ_OK;\r
+\r
+ unz_s* s;\r
+ file_in_zip_read_info_s* pfile_in_zip_read_info;\r
+ if (file==NULL)\r
+ return UNZ_PARAMERROR;\r
+ s=(unz_s*)file;\r
+ pfile_in_zip_read_info=s->pfile_in_zip_read;\r
+\r
+ if (pfile_in_zip_read_info==NULL)\r
+ return UNZ_PARAMERROR;\r
+\r
+\r
+ if ((pfile_in_zip_read_info->rest_read_uncompressed == 0) &&\r
+ (!pfile_in_zip_read_info->raw))\r
+ {\r
+ if (pfile_in_zip_read_info->crc32 != pfile_in_zip_read_info->crc32_wait)\r
+ err=UNZ_CRCERROR;\r
+ }\r
+\r
+\r
+ TRYFREE(pfile_in_zip_read_info->read_buffer);\r
+ pfile_in_zip_read_info->read_buffer = NULL;\r
+ if (pfile_in_zip_read_info->stream_initialised)\r
+ inflateEnd(&pfile_in_zip_read_info->stream);\r
+\r
+ pfile_in_zip_read_info->stream_initialised = 0;\r
+ TRYFREE(pfile_in_zip_read_info);\r
+\r
+ s->pfile_in_zip_read=NULL;\r
+\r
+ return err;\r
+}\r
+\r
+\r
+/*\r
+ Get the global comment string of the ZipFile, in the szComment buffer.\r
+ uSizeBuf is the size of the szComment buffer.\r
+ return the number of byte copied or an error code <0\r
+*/\r
+extern int ZEXPORT unzGetGlobalComment (file, szComment, uSizeBuf)\r
+ unzFile file;\r
+ char *szComment;\r
+ uLong uSizeBuf;\r
+{\r
+ int err=UNZ_OK;\r
+ unz_s* s;\r
+ uLong uReadThis ;\r
+ if (file==NULL)\r
+ return UNZ_PARAMERROR;\r
+ s=(unz_s*)file;\r
+\r
+ uReadThis = uSizeBuf;\r
+ if (uReadThis>s->gi.size_comment)\r
+ uReadThis = s->gi.size_comment;\r
+\r
+ if (ZSEEK(s->z_filefunc,s->filestream,s->central_pos+22,ZLIB_FILEFUNC_SEEK_SET)!=0)\r
+ return UNZ_ERRNO;\r
+\r
+ if (uReadThis>0)\r
+ {\r
+ *szComment='\0';\r
+ if (ZREAD(s->z_filefunc,s->filestream,szComment,uReadThis)!=uReadThis)\r
+ return UNZ_ERRNO;\r
+ }\r
+\r
+ if ((szComment != NULL) && (uSizeBuf > s->gi.size_comment))\r
+ *(szComment+s->gi.size_comment)='\0';\r
+ return (int)uReadThis;\r
+}\r
+\r
+/* Additions by RX '2004 */\r
+extern uLong ZEXPORT unzGetOffset (file)\r
+ unzFile file;\r
+{\r
+ unz_s* s;\r
+\r
+ if (file==NULL)\r
+ return UNZ_PARAMERROR;\r
+ s=(unz_s*)file;\r
+ if (!s->current_file_ok)\r
+ return 0;\r
+ if (s->gi.number_entry != 0 && s->gi.number_entry != 0xffff)\r
+ if (s->num_file==s->gi.number_entry)\r
+ return 0;\r
+ return s->pos_in_central_dir;\r
+}\r
+\r
+extern int ZEXPORT unzSetOffset (file, pos)\r
+ unzFile file;\r
+ uLong pos;\r
+{\r
+ unz_s* s;\r
+ int err;\r
+\r
+ if (file==NULL)\r
+ return UNZ_PARAMERROR;\r
+ s=(unz_s*)file;\r
+\r
+ s->pos_in_central_dir = pos;\r
+ s->num_file = s->gi.number_entry; /* hack */\r
+ err = unzlocal_GetCurrentFileInfoInternal(file,&s->cur_file_info,\r
+ &s->cur_file_info_internal,\r
+ NULL,0,NULL,0,NULL,0);\r
+ s->current_file_ok = (err == UNZ_OK);\r
+ return err;\r
+}\r
--- /dev/null
+/* unzip.h -- IO for uncompress .zip files using zlib\r
+ Version 1.01e, February 12th, 2005\r
+\r
+ Copyright (C) 1998-2005 Gilles Vollant\r
+\r
+ This unzip package allow extract file from .ZIP file, compatible with PKZip 2.04g\r
+ WinZip, InfoZip tools and compatible.\r
+\r
+ Multi volume ZipFile (span) are not supported.\r
+ Encryption compatible with pkzip 2.04g only supported\r
+ Old compressions used by old PKZip 1.x are not supported\r
+\r
+\r
+ I WAIT FEEDBACK at mail info@winimage.com\r
+ Visit also http://www.winimage.com/zLibDll/unzip.htm for evolution\r
+\r
+ Condition of use and distribution are the same than zlib :\r
+\r
+ This software is provided 'as-is', without any express or implied\r
+ warranty. In no event will the authors be held liable for any damages\r
+ arising from the use of this software.\r
+\r
+ Permission is granted to anyone to use this software for any purpose,\r
+ including commercial applications, and to alter it and redistribute it\r
+ freely, subject to the following restrictions:\r
+\r
+ 1. The origin of this software must not be misrepresented; you must not\r
+ claim that you wrote the original software. If you use this software\r
+ in a product, an acknowledgment in the product documentation would be\r
+ appreciated but is not required.\r
+ 2. Altered source versions must be plainly marked as such, and must not be\r
+ misrepresented as being the original software.\r
+ 3. This notice may not be removed or altered from any source distribution.\r
+\r
+\r
+*/\r
+\r
+/* for more info about .ZIP format, see\r
+ http://www.info-zip.org/pub/infozip/doc/appnote-981119-iz.zip\r
+ http://www.info-zip.org/pub/infozip/doc/\r
+ PkWare has also a specification at :\r
+ ftp://ftp.pkware.com/probdesc.zip\r
+*/\r
+\r
+#ifndef _unz_H\r
+#define _unz_H\r
+\r
+#ifdef __cplusplus\r
+extern "C" {\r
+#endif\r
+\r
+#ifndef _ZLIB_H\r
+#include "zlib.h"\r
+#endif\r
+\r
+#ifndef _ZLIBIOAPI_H\r
+#include "ioapi.h"\r
+#endif\r
+\r
+#if defined(STRICTUNZIP) || defined(STRICTZIPUNZIP)\r
+/* like the STRICT of WIN32, we define a pointer that cannot be converted\r
+ from (void*) without cast */\r
+typedef struct TagunzFile__ { int unused; } unzFile__;\r
+typedef unzFile__ *unzFile;\r
+#else\r
+typedef voidp unzFile;\r
+#endif\r
+\r
+\r
+#define UNZ_OK (0)\r
+#define UNZ_END_OF_LIST_OF_FILE (-100)\r
+#define UNZ_ERRNO (Z_ERRNO)\r
+#define UNZ_EOF (0)\r
+#define UNZ_PARAMERROR (-102)\r
+#define UNZ_BADZIPFILE (-103)\r
+#define UNZ_INTERNALERROR (-104)\r
+#define UNZ_CRCERROR (-105)\r
+\r
+/* tm_unz contain date/time info */\r
+typedef struct tm_unz_s\r
+{\r
+ uInt tm_sec; /* seconds after the minute - [0,59] */\r
+ uInt tm_min; /* minutes after the hour - [0,59] */\r
+ uInt tm_hour; /* hours since midnight - [0,23] */\r
+ uInt tm_mday; /* day of the month - [1,31] */\r
+ uInt tm_mon; /* months since January - [0,11] */\r
+ uInt tm_year; /* years - [1980..2044] */\r
+} tm_unz;\r
+\r
+/* unz_global_info structure contain global data about the ZIPfile\r
+ These data comes from the end of central dir */\r
+typedef struct unz_global_info_s\r
+{\r
+ uLong number_entry; /* total number of entries in\r
+ the central dir on this disk */\r
+ uLong size_comment; /* size of the global comment of the zipfile */\r
+} unz_global_info;\r
+\r
+\r
+/* unz_file_info contain information about a file in the zipfile */\r
+typedef struct unz_file_info_s\r
+{\r
+ uLong version; /* version made by 2 bytes */\r
+ uLong version_needed; /* version needed to extract 2 bytes */\r
+ uLong flag; /* general purpose bit flag 2 bytes */\r
+ uLong compression_method; /* compression method 2 bytes */\r
+ uLong dosDate; /* last mod file date in Dos fmt 4 bytes */\r
+ uLong crc; /* crc-32 4 bytes */\r
+ uLong compressed_size; /* compressed size 4 bytes */\r
+ uLong uncompressed_size; /* uncompressed size 4 bytes */\r
+ uLong size_filename; /* filename length 2 bytes */\r
+ uLong size_file_extra; /* extra field length 2 bytes */\r
+ uLong size_file_comment; /* file comment length 2 bytes */\r
+\r
+ uLong disk_num_start; /* disk number start 2 bytes */\r
+ uLong internal_fa; /* internal file attributes 2 bytes */\r
+ uLong external_fa; /* external file attributes 4 bytes */\r
+\r
+ tm_unz tmu_date;\r
+} unz_file_info;\r
+\r
+extern int ZEXPORT unzStringFileNameCompare OF ((const char* fileName1,\r
+ const char* fileName2,\r
+ int iCaseSensitivity));\r
+/*\r
+ Compare two filename (fileName1,fileName2).\r
+ If iCaseSenisivity = 1, comparision is case sensitivity (like strcmp)\r
+ If iCaseSenisivity = 2, comparision is not case sensitivity (like strcmpi\r
+ or strcasecmp)\r
+ If iCaseSenisivity = 0, case sensitivity is defaut of your operating system\r
+ (like 1 on Unix, 2 on Windows)\r
+*/\r
+\r
+\r
+extern unzFile ZEXPORT unzOpen OF((const char *path));\r
+/*\r
+ Open a Zip file. path contain the full pathname (by example,\r
+ on a Windows XP computer "c:\\zlib\\zlib113.zip" or on an Unix computer\r
+ "zlib/zlib113.zip".\r
+ If the zipfile cannot be opened (file don't exist or in not valid), the\r
+ return value is NULL.\r
+ Else, the return value is a unzFile Handle, usable with other function\r
+ of this unzip package.\r
+*/\r
+\r
+extern unzFile ZEXPORT unzOpen2 OF((const char *path,\r
+ zlib_filefunc_def* pzlib_filefunc_def));\r
+/*\r
+ Open a Zip file, like unzOpen, but provide a set of file low level API\r
+ for read/write the zip file (see ioapi.h)\r
+*/\r
+\r
+extern int ZEXPORT unzClose OF((unzFile file));\r
+/*\r
+ Close a ZipFile opened with unzipOpen.\r
+ If there is files inside the .Zip opened with unzOpenCurrentFile (see later),\r
+ these files MUST be closed with unzipCloseCurrentFile before call unzipClose.\r
+ return UNZ_OK if there is no problem. */\r
+\r
+extern int ZEXPORT unzGetGlobalInfo OF((unzFile file,\r
+ unz_global_info *pglobal_info));\r
+/*\r
+ Write info about the ZipFile in the *pglobal_info structure.\r
+ No preparation of the structure is needed\r
+ return UNZ_OK if there is no problem. */\r
+\r
+\r
+extern int ZEXPORT unzGetGlobalComment OF((unzFile file,\r
+ char *szComment,\r
+ uLong uSizeBuf));\r
+/*\r
+ Get the global comment string of the ZipFile, in the szComment buffer.\r
+ uSizeBuf is the size of the szComment buffer.\r
+ return the number of byte copied or an error code <0\r
+*/\r
+\r
+\r
+/***************************************************************************/\r
+/* Unzip package allow you browse the directory of the zipfile */\r
+\r
+extern int ZEXPORT unzGoToFirstFile OF((unzFile file));\r
+/*\r
+ Set the current file of the zipfile to the first file.\r
+ return UNZ_OK if there is no problem\r
+*/\r
+\r
+extern int ZEXPORT unzGoToNextFile OF((unzFile file));\r
+/*\r
+ Set the current file of the zipfile to the next file.\r
+ return UNZ_OK if there is no problem\r
+ return UNZ_END_OF_LIST_OF_FILE if the actual file was the latest.\r
+*/\r
+\r
+extern int ZEXPORT unzLocateFile OF((unzFile file,\r
+ const char *szFileName,\r
+ int iCaseSensitivity));\r
+/*\r
+ Try locate the file szFileName in the zipfile.\r
+ For the iCaseSensitivity signification, see unzStringFileNameCompare\r
+\r
+ return value :\r
+ UNZ_OK if the file is found. It becomes the current file.\r
+ UNZ_END_OF_LIST_OF_FILE if the file is not found\r
+*/\r
+\r
+\r
+/* ****************************************** */\r
+/* Ryan supplied functions */\r
+/* unz_file_info contain information about a file in the zipfile */\r
+typedef struct unz_file_pos_s\r
+{\r
+ uLong pos_in_zip_directory; /* offset in zip file directory */\r
+ uLong num_of_file; /* # of file */\r
+} unz_file_pos;\r
+\r
+extern int ZEXPORT unzGetFilePos(\r
+ unzFile file,\r
+ unz_file_pos* file_pos);\r
+\r
+extern int ZEXPORT unzGoToFilePos(\r
+ unzFile file,\r
+ unz_file_pos* file_pos);\r
+\r
+/* ****************************************** */\r
+\r
+extern int ZEXPORT unzGetCurrentFileInfo OF((unzFile file,\r
+ unz_file_info *pfile_info,\r
+ char *szFileName,\r
+ uLong fileNameBufferSize,\r
+ void *extraField,\r
+ uLong extraFieldBufferSize,\r
+ char *szComment,\r
+ uLong commentBufferSize));\r
+/*\r
+ Get Info about the current file\r
+ if pfile_info!=NULL, the *pfile_info structure will contain somes info about\r
+ the current file\r
+ if szFileName!=NULL, the filemane string will be copied in szFileName\r
+ (fileNameBufferSize is the size of the buffer)\r
+ if extraField!=NULL, the extra field information will be copied in extraField\r
+ (extraFieldBufferSize is the size of the buffer).\r
+ This is the Central-header version of the extra field\r
+ if szComment!=NULL, the comment string of the file will be copied in szComment\r
+ (commentBufferSize is the size of the buffer)\r
+*/\r
+\r
+/***************************************************************************/\r
+/* for reading the content of the current zipfile, you can open it, read data\r
+ from it, and close it (you can close it before reading all the file)\r
+ */\r
+\r
+extern int ZEXPORT unzOpenCurrentFile OF((unzFile file));\r
+/*\r
+ Open for reading data the current file in the zipfile.\r
+ If there is no error, the return value is UNZ_OK.\r
+*/\r
+\r
+extern int ZEXPORT unzOpenCurrentFilePassword OF((unzFile file,\r
+ const char* password));\r
+/*\r
+ Open for reading data the current file in the zipfile.\r
+ password is a crypting password\r
+ If there is no error, the return value is UNZ_OK.\r
+*/\r
+\r
+extern int ZEXPORT unzOpenCurrentFile2 OF((unzFile file,\r
+ int* method,\r
+ int* level,\r
+ int raw));\r
+/*\r
+ Same than unzOpenCurrentFile, but open for read raw the file (not uncompress)\r
+ if raw==1\r
+ *method will receive method of compression, *level will receive level of\r
+ compression\r
+ note : you can set level parameter as NULL (if you did not want known level,\r
+ but you CANNOT set method parameter as NULL\r
+*/\r
+\r
+extern int ZEXPORT unzOpenCurrentFile3 OF((unzFile file,\r
+ int* method,\r
+ int* level,\r
+ int raw,\r
+ const char* password));\r
+/*\r
+ Same than unzOpenCurrentFile, but open for read raw the file (not uncompress)\r
+ if raw==1\r
+ *method will receive method of compression, *level will receive level of\r
+ compression\r
+ note : you can set level parameter as NULL (if you did not want known level,\r
+ but you CANNOT set method parameter as NULL\r
+*/\r
+\r
+\r
+extern int ZEXPORT unzCloseCurrentFile OF((unzFile file));\r
+/*\r
+ Close the file in zip opened with unzOpenCurrentFile\r
+ Return UNZ_CRCERROR if all the file was read but the CRC is not good\r
+*/\r
+\r
+extern int ZEXPORT unzReadCurrentFile OF((unzFile file,\r
+ voidp buf,\r
+ unsigned len));\r
+/*\r
+ Read bytes from the current file (opened by unzOpenCurrentFile)\r
+ buf contain buffer where data must be copied\r
+ len the size of buf.\r
+\r
+ return the number of byte copied if somes bytes are copied\r
+ return 0 if the end of file was reached\r
+ return <0 with error code if there is an error\r
+ (UNZ_ERRNO for IO error, or zLib error for uncompress error)\r
+*/\r
+\r
+extern z_off_t ZEXPORT unztell OF((unzFile file));\r
+/*\r
+ Give the current position in uncompressed data\r
+*/\r
+\r
+extern int ZEXPORT unzeof OF((unzFile file));\r
+/*\r
+ return 1 if the end of file was reached, 0 elsewhere\r
+*/\r
+\r
+extern int ZEXPORT unzGetLocalExtrafield OF((unzFile file,\r
+ voidp buf,\r
+ unsigned len));\r
+/*\r
+ Read extra field from the current file (opened by unzOpenCurrentFile)\r
+ This is the local-header version of the extra field (sometimes, there is\r
+ more info in the local-header version than in the central-header)\r
+\r
+ if buf==NULL, it return the size of the local extra field\r
+\r
+ if buf!=NULL, len is the size of the buffer, the extra header is copied in\r
+ buf.\r
+ the return value is the number of bytes copied in buf, or (if <0)\r
+ the error code\r
+*/\r
+\r
+/***************************************************************************/\r
+\r
+/* Get the current file offset */\r
+extern uLong ZEXPORT unzGetOffset (unzFile file);\r
+\r
+/* Set the current file offset */\r
+extern int ZEXPORT unzSetOffset (unzFile file, uLong pos);\r
+\r
+\r
+\r
+#ifdef __cplusplus\r
+}\r
+#endif\r
+\r
+#endif /* _unz_H */\r
projects / vlc / commitdiff