zlib 1.2.0.1
This commit is contained in:
Mark Adler
@@ -17,7 +17,12 @@
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#define CASESENSITIVITY (0)
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#define WRITEBUFFERSIZE (8192)
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#define MAXFILENAME (256)
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#ifdef WIN32
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#define USEWIN32IOAPI
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#include "iowin32.h"
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#endif
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/*
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mini unzip, demo of unzip package
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@@ -34,9 +39,9 @@
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dosdate : the new date at the MSDos format (4 bytes)
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tmu_date : the SAME new date at the tm_unz format */
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void change_file_date(filename,dosdate,tmu_date)
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const char *filename;
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uLong dosdate;
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tm_unz tmu_date;
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const char *filename;
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uLong dosdate;
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tm_unz tmu_date;
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{
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#ifdef WIN32
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HANDLE hFile;
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@@ -75,17 +80,17 @@ void change_file_date(filename,dosdate,tmu_date)
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As I don't know well Unix, I wait feedback for the unix portion */
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int mymkdir(dirname)
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const char* dirname;
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const char* dirname;
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{
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int ret=0;
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#ifdef WIN32
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ret = mkdir(dirname);
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ret = mkdir(dirname);
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#else
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#ifdef unix
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ret = mkdir (dirname,0775);
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ret = mkdir (dirname,0775);
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#endif
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#endif
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return ret;
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return ret;
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}
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int makedir (newdir)
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@@ -93,14 +98,14 @@ int makedir (newdir)
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{
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char *buffer ;
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char *p;
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int len = strlen(newdir);
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int len = (int)strlen(newdir);
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if (len <= 0)
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if (len <= 0)
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return 0;
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buffer = (char*)malloc(len+1);
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strcpy(buffer,newdir);
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if (buffer[len-1] == '/') {
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buffer[len-1] = '\0';
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}
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@@ -135,104 +140,105 @@ int makedir (newdir)
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void do_banner()
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{
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printf("MiniUnz 0.15, demo of zLib + Unz package written by Gilles Vollant\n");
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printf("more info at http://wwww.winimage/zLibDll/unzip.htm\n\n");
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printf("MiniUnz 0.15, demo of zLib + Unz package written by Gilles Vollant\n");
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printf("more info at http://www.winimage.com/zLibDll/unzip.html\n\n");
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}
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void do_help()
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{
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printf("Usage : miniunz [-exvlo] file.zip [file_to_extract]\n\n") ;
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{
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printf("Usage : miniunz [-exvlo] file.zip [file_to_extract]\n\n") ;
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}
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int do_list(uf)
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unzFile uf;
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unzFile uf;
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{
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uLong i;
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unz_global_info gi;
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int err;
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uLong i;
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unz_global_info gi;
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int err;
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err = unzGetGlobalInfo (uf,&gi);
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if (err!=UNZ_OK)
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printf("error %d with zipfile in unzGetGlobalInfo \n",err);
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err = unzGetGlobalInfo (uf,&gi);
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if (err!=UNZ_OK)
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printf("error %d with zipfile in unzGetGlobalInfo \n",err);
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printf(" Length Method Size Ratio Date Time CRC-32 Name\n");
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printf(" ------ ------ ---- ----- ---- ---- ------ ----\n");
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for (i=0;i<gi.number_entry;i++)
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{
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char filename_inzip[256];
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unz_file_info file_info;
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uLong ratio=0;
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const char *string_method;
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err = unzGetCurrentFileInfo(uf,&file_info,filename_inzip,sizeof(filename_inzip),NULL,0,NULL,0);
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if (err!=UNZ_OK)
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{
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printf("error %d with zipfile in unzGetCurrentFileInfo\n",err);
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break;
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}
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if (file_info.uncompressed_size>0)
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ratio = (file_info.compressed_size*100)/file_info.uncompressed_size;
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for (i=0;i<gi.number_entry;i++)
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{
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char filename_inzip[256];
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unz_file_info file_info;
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uLong ratio=0;
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const char *string_method;
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err = unzGetCurrentFileInfo(uf,&file_info,filename_inzip,sizeof(filename_inzip),NULL,0,NULL,0);
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if (err!=UNZ_OK)
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{
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printf("error %d with zipfile in unzGetCurrentFileInfo\n",err);
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break;
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}
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if (file_info.uncompressed_size>0)
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ratio = (file_info.compressed_size*100)/file_info.uncompressed_size;
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if (file_info.compression_method==0)
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string_method="Stored";
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else
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if (file_info.compression_method==Z_DEFLATED)
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{
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uInt iLevel=(uInt)((file_info.flag & 0x6)/2);
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if (iLevel==0)
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string_method="Defl:N";
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else if (iLevel==1)
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string_method="Defl:X";
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else if ((iLevel==2) || (iLevel==3))
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string_method="Defl:F"; /* 2:fast , 3 : extra fast*/
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}
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else
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string_method="Unkn. ";
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if (file_info.compression_method==0)
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string_method="Stored";
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else
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if (file_info.compression_method==Z_DEFLATED)
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{
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uInt iLevel=(uInt)((file_info.flag & 0x6)/2);
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if (iLevel==0)
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string_method="Defl:N";
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else if (iLevel==1)
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string_method="Defl:X";
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else if ((iLevel==2) || (iLevel==3))
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string_method="Defl:F"; /* 2:fast , 3 : extra fast*/
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}
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else
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string_method="Unkn. ";
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printf("%7lu %6s %7lu %3lu%% %2.2lu-%2.2lu-%2.2lu %2.2lu:%2.2lu %8.8lx %s\n",
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file_info.uncompressed_size,string_method,file_info.compressed_size,
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ratio,
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(uLong)file_info.tmu_date.tm_mon + 1,
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printf("%7lu %6s %7lu %3lu%% %2.2lu-%2.2lu-%2.2lu %2.2lu:%2.2lu %8.8lx %s\n",
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file_info.uncompressed_size,string_method,file_info.compressed_size,
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ratio,
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(uLong)file_info.tmu_date.tm_mon + 1,
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(uLong)file_info.tmu_date.tm_mday,
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(uLong)file_info.tmu_date.tm_year % 100,
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(uLong)file_info.tmu_date.tm_hour,(uLong)file_info.tmu_date.tm_min,
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(uLong)file_info.crc,filename_inzip);
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if ((i+1)<gi.number_entry)
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{
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err = unzGoToNextFile(uf);
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if (err!=UNZ_OK)
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{
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printf("error %d with zipfile in unzGoToNextFile\n",err);
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break;
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}
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}
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}
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(uLong)file_info.tmu_date.tm_year % 100,
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(uLong)file_info.tmu_date.tm_hour,(uLong)file_info.tmu_date.tm_min,
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(uLong)file_info.crc,filename_inzip);
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if ((i+1)<gi.number_entry)
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{
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err = unzGoToNextFile(uf);
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if (err!=UNZ_OK)
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{
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printf("error %d with zipfile in unzGoToNextFile\n",err);
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break;
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}
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}
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}
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return 0;
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return 0;
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}
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int do_extract_currentfile(uf,popt_extract_without_path,popt_overwrite)
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unzFile uf;
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const int* popt_extract_without_path;
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int do_extract_currentfile(uf,popt_extract_without_path,popt_overwrite,password)
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unzFile uf;
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const int* popt_extract_without_path;
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int* popt_overwrite;
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const char* password;
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{
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char filename_inzip[256];
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char* filename_withoutpath;
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char* p;
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char filename_inzip[256];
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char* filename_withoutpath;
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char* p;
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int err=UNZ_OK;
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FILE *fout=NULL;
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void* buf;
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uInt size_buf;
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unz_file_info file_info;
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uLong ratio=0;
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err = unzGetCurrentFileInfo(uf,&file_info,filename_inzip,sizeof(filename_inzip),NULL,0,NULL,0);
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if (err!=UNZ_OK)
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{
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printf("error %d with zipfile in unzGetCurrentFileInfo\n",err);
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return err;
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}
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unz_file_info file_info;
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uLong ratio=0;
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err = unzGetCurrentFileInfo(uf,&file_info,filename_inzip,sizeof(filename_inzip),NULL,0,NULL,0);
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if (err!=UNZ_OK)
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{
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printf("error %d with zipfile in unzGetCurrentFileInfo\n",err);
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return err;
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}
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size_buf = WRITEBUFFERSIZE;
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buf = (void*)malloc(size_buf);
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@@ -242,71 +248,71 @@ int do_extract_currentfile(uf,popt_extract_without_path,popt_overwrite)
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return UNZ_INTERNALERROR;
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}
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p = filename_withoutpath = filename_inzip;
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while ((*p) != '\0')
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{
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if (((*p)=='/') || ((*p)=='\\'))
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filename_withoutpath = p+1;
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p++;
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}
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p = filename_withoutpath = filename_inzip;
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while ((*p) != '\0')
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{
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if (((*p)=='/') || ((*p)=='\\'))
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filename_withoutpath = p+1;
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p++;
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}
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if ((*filename_withoutpath)=='\0')
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{
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if ((*popt_extract_without_path)==0)
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{
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printf("creating directory: %s\n",filename_inzip);
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mymkdir(filename_inzip);
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}
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}
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else
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{
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const char* write_filename;
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int skip=0;
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if ((*filename_withoutpath)=='\0')
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{
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if ((*popt_extract_without_path)==0)
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{
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printf("creating directory: %s\n",filename_inzip);
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mymkdir(filename_inzip);
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}
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}
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else
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{
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const char* write_filename;
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int skip=0;
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if ((*popt_extract_without_path)==0)
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write_filename = filename_inzip;
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else
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write_filename = filename_withoutpath;
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if ((*popt_extract_without_path)==0)
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write_filename = filename_inzip;
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else
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write_filename = filename_withoutpath;
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err = unzOpenCurrentFile(uf);
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if (err!=UNZ_OK)
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{
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printf("error %d with zipfile in unzOpenCurrentFile\n",err);
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}
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err = unzOpenCurrentFilePassword(uf,password);
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if (err!=UNZ_OK)
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{
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printf("error %d with zipfile in unzOpenCurrentFilePassword\n",err);
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}
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if (((*popt_overwrite)==0) && (err==UNZ_OK))
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{
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char rep;
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FILE* ftestexist;
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ftestexist = fopen(write_filename,"rb");
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if (ftestexist!=NULL)
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{
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fclose(ftestexist);
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do
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{
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char answer[128];
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printf("The file %s exist. Overwrite ? [y]es, [n]o, [A]ll: ",write_filename);
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scanf("%1s",answer);
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rep = answer[0] ;
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if ((rep>='a') && (rep<='z'))
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rep -= 0x20;
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}
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while ((rep!='Y') && (rep!='N') && (rep!='A'));
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}
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if (((*popt_overwrite)==0) && (err==UNZ_OK))
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{
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char rep=0;
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FILE* ftestexist;
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ftestexist = fopen(write_filename,"rb");
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if (ftestexist!=NULL)
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{
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fclose(ftestexist);
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do
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{
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char answer[128];
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printf("The file %s exist. Overwrite ? [y]es, [n]o, [A]ll: ",write_filename);
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scanf("%1s",answer);
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rep = answer[0] ;
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if ((rep>='a') && (rep<='z'))
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rep -= 0x20;
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}
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while ((rep!='Y') && (rep!='N') && (rep!='A'));
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}
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if (rep == 'N')
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skip = 1;
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if (rep == 'N')
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skip = 1;
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if (rep == 'A')
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*popt_overwrite=1;
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}
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if (rep == 'A')
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*popt_overwrite=1;
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}
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if ((skip==0) && (err==UNZ_OK))
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{
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fout=fopen(write_filename,"wb");
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if ((skip==0) && (err==UNZ_OK))
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{
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fout=fopen(write_filename,"wb");
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/* some zipfile don't contain directory alone before file */
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if ((fout==NULL) && ((*popt_extract_without_path)==0) &&
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if ((fout==NULL) && ((*popt_extract_without_path)==0) &&
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(filename_withoutpath!=(char*)filename_inzip))
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{
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char c=*(filename_withoutpath-1);
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@@ -316,95 +322,100 @@ int do_extract_currentfile(uf,popt_extract_without_path,popt_overwrite)
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fout=fopen(write_filename,"wb");
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}
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if (fout==NULL)
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{
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printf("error opening %s\n",write_filename);
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}
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}
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if (fout==NULL)
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{
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printf("error opening %s\n",write_filename);
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}
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}
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if (fout!=NULL)
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{
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printf(" extracting: %s\n",write_filename);
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if (fout!=NULL)
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{
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printf(" extracting: %s\n",write_filename);
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do
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{
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err = unzReadCurrentFile(uf,buf,size_buf);
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if (err<0)
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{
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printf("error %d with zipfile in unzReadCurrentFile\n",err);
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break;
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}
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if (err>0)
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if (fwrite(buf,err,1,fout)!=1)
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{
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printf("error in writing extracted file\n");
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do
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{
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err = unzReadCurrentFile(uf,buf,size_buf);
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if (err<0)
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{
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printf("error %d with zipfile in unzReadCurrentFile\n",err);
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break;
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}
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if (err>0)
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if (fwrite(buf,err,1,fout)!=1)
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{
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printf("error in writing extracted file\n");
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err=UNZ_ERRNO;
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break;
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}
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}
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while (err>0);
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fclose(fout);
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if (err==0)
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change_file_date(write_filename,file_info.dosDate,
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file_info.tmu_date);
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}
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||||
break;
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||||
}
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||||
}
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while (err>0);
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if (fout)
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fclose(fout);
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if (err==0)
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change_file_date(write_filename,file_info.dosDate,
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file_info.tmu_date);
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}
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if (err==UNZ_OK)
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{
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err = unzCloseCurrentFile (uf);
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if (err!=UNZ_OK)
|
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{
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printf("error %d with zipfile in unzCloseCurrentFile\n",err);
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}
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err = unzCloseCurrentFile (uf);
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if (err!=UNZ_OK)
|
||||
{
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printf("error %d with zipfile in unzCloseCurrentFile\n",err);
|
||||
}
|
||||
}
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else
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unzCloseCurrentFile(uf); /* don't lose the error */
|
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}
|
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unzCloseCurrentFile(uf); /* don't lose the error */
|
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}
|
||||
|
||||
free(buf);
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free(buf);
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return err;
|
||||
}
|
||||
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||||
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int do_extract(uf,opt_extract_without_path,opt_overwrite)
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unzFile uf;
|
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int opt_extract_without_path;
|
||||
int do_extract(uf,opt_extract_without_path,opt_overwrite,password)
|
||||
unzFile uf;
|
||||
int opt_extract_without_path;
|
||||
int opt_overwrite;
|
||||
const char* password;
|
||||
{
|
||||
uLong i;
|
||||
unz_global_info gi;
|
||||
int err;
|
||||
FILE* fout=NULL;
|
||||
uLong i;
|
||||
unz_global_info gi;
|
||||
int err;
|
||||
FILE* fout=NULL;
|
||||
|
||||
err = unzGetGlobalInfo (uf,&gi);
|
||||
if (err!=UNZ_OK)
|
||||
printf("error %d with zipfile in unzGetGlobalInfo \n",err);
|
||||
err = unzGetGlobalInfo (uf,&gi);
|
||||
if (err!=UNZ_OK)
|
||||
printf("error %d with zipfile in unzGetGlobalInfo \n",err);
|
||||
|
||||
for (i=0;i<gi.number_entry;i++)
|
||||
{
|
||||
for (i=0;i<gi.number_entry;i++)
|
||||
{
|
||||
if (do_extract_currentfile(uf,&opt_extract_without_path,
|
||||
&opt_overwrite) != UNZ_OK)
|
||||
&opt_overwrite,
|
||||
password) != UNZ_OK)
|
||||
break;
|
||||
|
||||
if ((i+1)<gi.number_entry)
|
||||
{
|
||||
err = unzGoToNextFile(uf);
|
||||
if (err!=UNZ_OK)
|
||||
{
|
||||
printf("error %d with zipfile in unzGoToNextFile\n",err);
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
if ((i+1)<gi.number_entry)
|
||||
{
|
||||
err = unzGoToNextFile(uf);
|
||||
if (err!=UNZ_OK)
|
||||
{
|
||||
printf("error %d with zipfile in unzGoToNextFile\n",err);
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return 0;
|
||||
return 0;
|
||||
}
|
||||
|
||||
int do_extract_onefile(uf,filename,opt_extract_without_path,opt_overwrite)
|
||||
unzFile uf;
|
||||
const char* filename;
|
||||
int opt_extract_without_path;
|
||||
int do_extract_onefile(uf,filename,opt_extract_without_path,opt_overwrite,password)
|
||||
unzFile uf;
|
||||
const char* filename;
|
||||
int opt_extract_without_path;
|
||||
int opt_overwrite;
|
||||
const char* password;
|
||||
{
|
||||
int err = UNZ_OK;
|
||||
if (unzLocateFile(uf,filename,CASESENSITIVITY)!=UNZ_OK)
|
||||
@@ -414,7 +425,8 @@ int do_extract_onefile(uf,filename,opt_extract_without_path,opt_overwrite)
|
||||
}
|
||||
|
||||
if (do_extract_currentfile(uf,&opt_extract_without_path,
|
||||
&opt_overwrite) == UNZ_OK)
|
||||
&opt_overwrite,
|
||||
password) == UNZ_OK)
|
||||
return 0;
|
||||
else
|
||||
return 1;
|
||||
@@ -422,87 +434,110 @@ int do_extract_onefile(uf,filename,opt_extract_without_path,opt_overwrite)
|
||||
|
||||
|
||||
int main(argc,argv)
|
||||
int argc;
|
||||
char *argv[];
|
||||
int argc;
|
||||
char *argv[];
|
||||
{
|
||||
const char *zipfilename=NULL;
|
||||
const char *zipfilename=NULL;
|
||||
const char *filename_to_extract=NULL;
|
||||
int i;
|
||||
int opt_do_list=0;
|
||||
int opt_do_extract=1;
|
||||
int opt_do_extract_withoutpath=0;
|
||||
int opt_overwrite=0;
|
||||
char filename_try[512];
|
||||
unzFile uf=NULL;
|
||||
const char *password=NULL;
|
||||
char filename_try[MAXFILENAME+16] = "";
|
||||
int i;
|
||||
int opt_do_list=0;
|
||||
int opt_do_extract=1;
|
||||
int opt_do_extract_withoutpath=0;
|
||||
int opt_overwrite=0;
|
||||
unzFile uf=NULL;
|
||||
|
||||
do_banner();
|
||||
if (argc==1)
|
||||
{
|
||||
do_help();
|
||||
exit(0);
|
||||
}
|
||||
else
|
||||
{
|
||||
for (i=1;i<argc;i++)
|
||||
{
|
||||
if ((*argv[i])=='-')
|
||||
{
|
||||
const char *p=argv[i]+1;
|
||||
|
||||
while ((*p)!='\0')
|
||||
{
|
||||
char c=*(p++);;
|
||||
if ((c=='l') || (c=='L'))
|
||||
opt_do_list = 1;
|
||||
if ((c=='v') || (c=='V'))
|
||||
opt_do_list = 1;
|
||||
if ((c=='x') || (c=='X'))
|
||||
opt_do_extract = 1;
|
||||
if ((c=='e') || (c=='E'))
|
||||
opt_do_extract = opt_do_extract_withoutpath = 1;
|
||||
if ((c=='o') || (c=='O'))
|
||||
opt_overwrite=1;
|
||||
}
|
||||
}
|
||||
else
|
||||
do_banner();
|
||||
if (argc==1)
|
||||
{
|
||||
do_help();
|
||||
return 0;
|
||||
}
|
||||
else
|
||||
{
|
||||
for (i=1;i<argc;i++)
|
||||
{
|
||||
if ((*argv[i])=='-')
|
||||
{
|
||||
if (zipfilename == NULL)
|
||||
zipfilename = argv[i];
|
||||
const char *p=argv[i]+1;
|
||||
|
||||
while ((*p)!='\0')
|
||||
{
|
||||
char c=*(p++);;
|
||||
if ((c=='l') || (c=='L'))
|
||||
opt_do_list = 1;
|
||||
if ((c=='v') || (c=='V'))
|
||||
opt_do_list = 1;
|
||||
if ((c=='x') || (c=='X'))
|
||||
opt_do_extract = 1;
|
||||
if ((c=='e') || (c=='E'))
|
||||
opt_do_extract = opt_do_extract_withoutpath = 1;
|
||||
if ((c=='o') || (c=='O'))
|
||||
opt_overwrite=1;
|
||||
if (((c=='p') || (c=='P')) && (i+1<argc))
|
||||
{
|
||||
password=argv[i+1];
|
||||
i++;
|
||||
}
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
if (zipfilename == NULL)
|
||||
zipfilename = argv[i];
|
||||
else if (filename_to_extract==NULL)
|
||||
filename_to_extract = argv[i] ;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if (zipfilename!=NULL)
|
||||
{
|
||||
strcpy(filename_try,zipfilename);
|
||||
uf = unzOpen(zipfilename);
|
||||
if (uf==NULL)
|
||||
{
|
||||
strcat(filename_try,".zip");
|
||||
uf = unzOpen(filename_try);
|
||||
}
|
||||
}
|
||||
if (zipfilename!=NULL)
|
||||
{
|
||||
|
||||
if (uf==NULL)
|
||||
{
|
||||
printf("Cannot open %s or %s.zip\n",zipfilename,zipfilename);
|
||||
exit (1);
|
||||
}
|
||||
#ifdef USEWIN32IOAPI
|
||||
zlib_filefunc_def ffunc;
|
||||
#endif
|
||||
|
||||
strncpy(filename_try, zipfilename,MAXFILENAME-1);
|
||||
/* strncpy doesnt append the trailing NULL, of the string is too long. */
|
||||
filename_try[ MAXFILENAME ] = '\0';
|
||||
|
||||
#ifdef USEWIN32IOAPI
|
||||
fill_win32_filefunc(&ffunc);
|
||||
uf = unzOpen2(zipfilename,&ffunc);
|
||||
#else
|
||||
uf = unzOpen(zipfilename);
|
||||
#endif
|
||||
if (uf==NULL)
|
||||
{
|
||||
strcat(filename_try,".zip");
|
||||
#ifdef USEWIN32IOAPI
|
||||
uf = unzOpen2(filename_try,&ffunc);
|
||||
#else
|
||||
uf = unzOpen(filename_try);
|
||||
#endif
|
||||
}
|
||||
}
|
||||
|
||||
if (uf==NULL)
|
||||
{
|
||||
printf("Cannot open %s or %s.zip\n",zipfilename,zipfilename);
|
||||
return 1;
|
||||
}
|
||||
printf("%s opened\n",filename_try);
|
||||
|
||||
if (opt_do_list==1)
|
||||
return do_list(uf);
|
||||
else if (opt_do_extract==1)
|
||||
if (opt_do_list==1)
|
||||
return do_list(uf);
|
||||
else if (opt_do_extract==1)
|
||||
{
|
||||
if (filename_to_extract == NULL)
|
||||
return do_extract(uf,opt_do_extract_withoutpath,opt_overwrite);
|
||||
return do_extract(uf,opt_do_extract_withoutpath,opt_overwrite,password);
|
||||
else
|
||||
return do_extract_onefile(uf,filename_to_extract,
|
||||
opt_do_extract_withoutpath,opt_overwrite);
|
||||
opt_do_extract_withoutpath,opt_overwrite,password);
|
||||
}
|
||||
unzCloseCurrentFile(uf);
|
||||
unzCloseCurrentFile(uf);
|
||||
|
||||
return 0; /* to avoid warning */
|
||||
return 0;
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user