--- /dev/null
+/* iowin32.c -- IO base function header for compress/uncompress .zip
+ Version 1.1, February 14h, 2010
+ part of the MiniZip project - ( http://www.winimage.com/zLibDll/minizip.html )
+
+ Copyright (C) 1998-2010 Gilles Vollant (minizip) ( http://www.winimage.com/zLibDll/minizip.html )
+
+ Modifications for Zip64 support
+ Copyright (C) 2009-2010 Mathias Svensson ( http://result42.com )
+
+ For more info read MiniZip_info.txt
+
+*/
+
+#include <stdlib.h>
+
+#include "zlib.h"
+#include "ioapi.h"
+#include "iowin32.h"
+
+#ifndef INVALID_HANDLE_VALUE
+#define INVALID_HANDLE_VALUE (0xFFFFFFFF)
+#endif
+
+#ifndef INVALID_SET_FILE_POINTER
+#define INVALID_SET_FILE_POINTER ((DWORD)-1)
+#endif
+
+voidpf ZCALLBACK win32_open_file_func OF((voidpf opaque, const char* filename, int mode));
+uLong ZCALLBACK win32_read_file_func OF((voidpf opaque, voidpf stream, void* buf, uLong size));
+uLong ZCALLBACK win32_write_file_func OF((voidpf opaque, voidpf stream, const void* buf, uLong size));
+ZPOS64_T ZCALLBACK win32_tell64_file_func OF((voidpf opaque, voidpf stream));
+long ZCALLBACK win32_seek64_file_func OF((voidpf opaque, voidpf stream, ZPOS64_T offset, int origin));
+int ZCALLBACK win32_close_file_func OF((voidpf opaque, voidpf stream));
+int ZCALLBACK win32_error_file_func OF((voidpf opaque, voidpf stream));
+
+typedef struct
+{
+ HANDLE hf;
+ int error;
+} WIN32FILE_IOWIN;
+
+
+static void win32_translate_open_mode(int mode,
+ DWORD* lpdwDesiredAccess,
+ DWORD* lpdwCreationDisposition,
+ DWORD* lpdwShareMode,
+ DWORD* lpdwFlagsAndAttributes)
+{
+ *lpdwDesiredAccess = *lpdwShareMode = *lpdwFlagsAndAttributes = *lpdwCreationDisposition = 0;
+
+ if ((mode & ZLIB_FILEFUNC_MODE_READWRITEFILTER)==ZLIB_FILEFUNC_MODE_READ)
+ {
+ *lpdwDesiredAccess = GENERIC_READ;
+ *lpdwCreationDisposition = OPEN_EXISTING;
+ *lpdwShareMode = FILE_SHARE_READ;
+ }
+ else if (mode & ZLIB_FILEFUNC_MODE_EXISTING)
+ {
+ *lpdwDesiredAccess = GENERIC_WRITE | GENERIC_READ;
+ *lpdwCreationDisposition = OPEN_EXISTING;
+ }
+ else if (mode & ZLIB_FILEFUNC_MODE_CREATE)
+ {
+ *lpdwDesiredAccess = GENERIC_WRITE | GENERIC_READ;
+ *lpdwCreationDisposition = CREATE_ALWAYS;
+ }
+}
+
+static voidpf win32_build_iowin(HANDLE hFile)
+{
+ voidpf ret=NULL;
+
+ if ((hFile != NULL) && (hFile != INVALID_HANDLE_VALUE))
+ {
+ WIN32FILE_IOWIN w32fiow;
+ w32fiow.hf = hFile;
+ w32fiow.error = 0;
+ ret = malloc(sizeof(WIN32FILE_IOWIN));
+
+ if (ret==NULL)
+ CloseHandle(hFile);
+ else
+ *((WIN32FILE_IOWIN*)ret) = w32fiow;
+ }
+ return ret;
+}
+
+voidpf ZCALLBACK win32_open64_file_func (voidpf opaque,const void* filename,int mode)
+{
+ const char* mode_fopen = NULL;
+ DWORD dwDesiredAccess,dwCreationDisposition,dwShareMode,dwFlagsAndAttributes ;
+ HANDLE hFile = NULL;
+
+ win32_translate_open_mode(mode,&dwDesiredAccess,&dwCreationDisposition,&dwShareMode,&dwFlagsAndAttributes);
+
+ if ((filename!=NULL) && (dwDesiredAccess != 0))
+ hFile = CreateFile((LPCTSTR)filename, dwDesiredAccess, dwShareMode, NULL, dwCreationDisposition, dwFlagsAndAttributes, NULL);
+
+ return win32_build_iowin(hFile);
+}
+
+
+voidpf ZCALLBACK win32_open64_file_funcA (voidpf opaque,const void* filename,int mode)
+{
+ const char* mode_fopen = NULL;
+ DWORD dwDesiredAccess,dwCreationDisposition,dwShareMode,dwFlagsAndAttributes ;
+ HANDLE hFile = NULL;
+
+ win32_translate_open_mode(mode,&dwDesiredAccess,&dwCreationDisposition,&dwShareMode,&dwFlagsAndAttributes);
+
+ if ((filename!=NULL) && (dwDesiredAccess != 0))
+ hFile = CreateFileA((LPCSTR)filename, dwDesiredAccess, dwShareMode, NULL, dwCreationDisposition, dwFlagsAndAttributes, NULL);
+
+ return win32_build_iowin(hFile);
+}
+
+
+voidpf ZCALLBACK win32_open64_file_funcW (voidpf opaque,const void* filename,int mode)
+{
+ const char* mode_fopen = NULL;
+ DWORD dwDesiredAccess,dwCreationDisposition,dwShareMode,dwFlagsAndAttributes ;
+ HANDLE hFile = NULL;
+
+ win32_translate_open_mode(mode,&dwDesiredAccess,&dwCreationDisposition,&dwShareMode,&dwFlagsAndAttributes);
+
+ if ((filename!=NULL) && (dwDesiredAccess != 0))
+ hFile = CreateFileW((LPCWSTR)filename, dwDesiredAccess, dwShareMode, NULL, dwCreationDisposition, dwFlagsAndAttributes, NULL);
+
+ return win32_build_iowin(hFile);
+}
+
+
+voidpf ZCALLBACK win32_open_file_func (voidpf opaque,const char* filename,int mode)
+{
+ const char* mode_fopen = NULL;
+ DWORD dwDesiredAccess,dwCreationDisposition,dwShareMode,dwFlagsAndAttributes ;
+ HANDLE hFile = NULL;
+
+ win32_translate_open_mode(mode,&dwDesiredAccess,&dwCreationDisposition,&dwShareMode,&dwFlagsAndAttributes);
+
+ if ((filename!=NULL) && (dwDesiredAccess != 0))
+ hFile = CreateFile((LPCTSTR)filename, dwDesiredAccess, dwShareMode, NULL, dwCreationDisposition, dwFlagsAndAttributes, NULL);
+
+ return win32_build_iowin(hFile);
+}
+
+
+uLong ZCALLBACK win32_read_file_func (voidpf opaque, voidpf stream, void* buf,uLong size)
+{
+ uLong ret=0;
+ HANDLE hFile = NULL;
+ if (stream!=NULL)
+ hFile = ((WIN32FILE_IOWIN*)stream) -> hf;
+
+ if (hFile != NULL)
+ {
+ if (!ReadFile(hFile, buf, size, &ret, NULL))
+ {
+ DWORD dwErr = GetLastError();
+ if (dwErr == ERROR_HANDLE_EOF)
+ dwErr = 0;
+ ((WIN32FILE_IOWIN*)stream) -> error=(int)dwErr;
+ }
+ }
+
+ return ret;
+}
+
+
+uLong ZCALLBACK win32_write_file_func (voidpf opaque,voidpf stream,const void* buf,uLong size)
+{
+ uLong ret=0;
+ HANDLE hFile = NULL;
+ if (stream!=NULL)
+ hFile = ((WIN32FILE_IOWIN*)stream) -> hf;
+
+ if (hFile != NULL)
+ {
+ if (!WriteFile(hFile, buf, size, &ret, NULL))
+ {
+ DWORD dwErr = GetLastError();
+ if (dwErr == ERROR_HANDLE_EOF)
+ dwErr = 0;
+ ((WIN32FILE_IOWIN*)stream) -> error=(int)dwErr;
+ }
+ }
+
+ return ret;
+}
+
+long ZCALLBACK win32_tell_file_func (voidpf opaque,voidpf stream)
+{
+ long ret=-1;
+ HANDLE hFile = NULL;
+ if (stream!=NULL)
+ hFile = ((WIN32FILE_IOWIN*)stream) -> hf;
+ if (hFile != NULL)
+ {
+ DWORD dwSet = SetFilePointer(hFile, 0, NULL, FILE_CURRENT);
+ if (dwSet == INVALID_SET_FILE_POINTER)
+ {
+ DWORD dwErr = GetLastError();
+ ((WIN32FILE_IOWIN*)stream) -> error=(int)dwErr;
+ ret = -1;
+ }
+ else
+ ret=(long)dwSet;
+ }
+ return ret;
+}
+
+ZPOS64_T ZCALLBACK win32_tell64_file_func (voidpf opaque, voidpf stream)
+{
+ ZPOS64_T ret= (ZPOS64_T)-1;
+ HANDLE hFile = NULL;
+ if (stream!=NULL)
+ hFile = ((WIN32FILE_IOWIN*)stream)->hf;
+
+ if (hFile)
+ {
+ LARGE_INTEGER li;
+ li.QuadPart = 0;
+ li.u.LowPart = SetFilePointer(hFile, li.u.LowPart, &li.u.HighPart, FILE_CURRENT);
+ if ( (li.LowPart == 0xFFFFFFFF) && (GetLastError() != NO_ERROR))
+ {
+ DWORD dwErr = GetLastError();
+ ((WIN32FILE_IOWIN*)stream) -> error=(int)dwErr;
+ ret = (ZPOS64_T)-1;
+ }
+ else
+ ret=li.QuadPart;
+ }
+ return ret;
+}
+
+
+long ZCALLBACK win32_seek_file_func (voidpf opaque,voidpf stream,uLong offset,int origin)
+{
+ DWORD dwMoveMethod=0xFFFFFFFF;
+ HANDLE hFile = NULL;
+
+ long ret=-1;
+ if (stream!=NULL)
+ hFile = ((WIN32FILE_IOWIN*)stream) -> hf;
+ switch (origin)
+ {
+ case ZLIB_FILEFUNC_SEEK_CUR :
+ dwMoveMethod = FILE_CURRENT;
+ break;
+ case ZLIB_FILEFUNC_SEEK_END :
+ dwMoveMethod = FILE_END;
+ break;
+ case ZLIB_FILEFUNC_SEEK_SET :
+ dwMoveMethod = FILE_BEGIN;
+ break;
+ default: return -1;
+ }
+
+ if (hFile != NULL)
+ {
+ DWORD dwSet = SetFilePointer(hFile, offset, NULL, dwMoveMethod);
+ if (dwSet == INVALID_SET_FILE_POINTER)
+ {
+ DWORD dwErr = GetLastError();
+ ((WIN32FILE_IOWIN*)stream) -> error=(int)dwErr;
+ ret = -1;
+ }
+ else
+ ret=0;
+ }
+ return ret;
+}
+
+long ZCALLBACK win32_seek64_file_func (voidpf opaque, voidpf stream,ZPOS64_T offset,int origin)
+{
+ DWORD dwMoveMethod=0xFFFFFFFF;
+ HANDLE hFile = NULL;
+ long ret=-1;
+
+ if (stream!=NULL)
+ hFile = ((WIN32FILE_IOWIN*)stream)->hf;
+
+ switch (origin)
+ {
+ case ZLIB_FILEFUNC_SEEK_CUR :
+ dwMoveMethod = FILE_CURRENT;
+ break;
+ case ZLIB_FILEFUNC_SEEK_END :
+ dwMoveMethod = FILE_END;
+ break;
+ case ZLIB_FILEFUNC_SEEK_SET :
+ dwMoveMethod = FILE_BEGIN;
+ break;
+ default: return -1;
+ }
+
+ if (hFile)
+ {
+ LARGE_INTEGER* li = (LARGE_INTEGER*)&offset;
+ DWORD dwSet = SetFilePointer(hFile, li->u.LowPart, &li->u.HighPart, dwMoveMethod);
+ if (dwSet == INVALID_SET_FILE_POINTER)
+ {
+ DWORD dwErr = GetLastError();
+ ((WIN32FILE_IOWIN*)stream) -> error=(int)dwErr;
+ ret = -1;
+ }
+ else
+ ret=0;
+ }
+ return ret;
+}
+
+int ZCALLBACK win32_close_file_func (voidpf opaque, voidpf stream)
+{
+ int ret=-1;
+
+ if (stream!=NULL)
+ {
+ HANDLE hFile;
+ hFile = ((WIN32FILE_IOWIN*)stream) -> hf;
+ if (hFile != NULL)
+ {
+ CloseHandle(hFile);
+ ret=0;
+ }
+ free(stream);
+ }
+ return ret;
+}
+
+int ZCALLBACK win32_error_file_func (voidpf opaque,voidpf stream)
+{
+ int ret=-1;
+ if (stream!=NULL)
+ {
+ ret = ((WIN32FILE_IOWIN*)stream) -> error;
+ }
+ return ret;
+}
+
+void fill_win32_filefunc (zlib_filefunc_def* pzlib_filefunc_def)
+{
+ pzlib_filefunc_def->zopen_file = win32_open_file_func;
+ pzlib_filefunc_def->zread_file = win32_read_file_func;
+ pzlib_filefunc_def->zwrite_file = win32_write_file_func;
+ pzlib_filefunc_def->ztell_file = win32_tell_file_func;
+ pzlib_filefunc_def->zseek_file = win32_seek_file_func;
+ pzlib_filefunc_def->zclose_file = win32_close_file_func;
+ pzlib_filefunc_def->zerror_file = win32_error_file_func;
+ pzlib_filefunc_def->opaque = NULL;
+}
+
+void fill_win32_filefunc64(zlib_filefunc64_def* pzlib_filefunc_def)
+{
+ pzlib_filefunc_def->zopen64_file = win32_open64_file_func;
+ pzlib_filefunc_def->zread_file = win32_read_file_func;
+ pzlib_filefunc_def->zwrite_file = win32_write_file_func;
+ pzlib_filefunc_def->ztell64_file = win32_tell64_file_func;
+ pzlib_filefunc_def->zseek64_file = win32_seek64_file_func;
+ pzlib_filefunc_def->zclose_file = win32_close_file_func;
+ pzlib_filefunc_def->zerror_file = win32_error_file_func;
+ pzlib_filefunc_def->opaque = NULL;
+}
+
+
+void fill_win32_filefunc64A(zlib_filefunc64_def* pzlib_filefunc_def)
+{
+ pzlib_filefunc_def->zopen64_file = win32_open64_file_funcA;
+ pzlib_filefunc_def->zread_file = win32_read_file_func;
+ pzlib_filefunc_def->zwrite_file = win32_write_file_func;
+ pzlib_filefunc_def->ztell64_file = win32_tell64_file_func;
+ pzlib_filefunc_def->zseek64_file = win32_seek64_file_func;
+ pzlib_filefunc_def->zclose_file = win32_close_file_func;
+ pzlib_filefunc_def->zerror_file = win32_error_file_func;
+ pzlib_filefunc_def->opaque = NULL;
+}
+
+
+void fill_win32_filefunc64W(zlib_filefunc64_def* pzlib_filefunc_def)
+{
+ pzlib_filefunc_def->zopen64_file = win32_open64_file_funcW;
+ pzlib_filefunc_def->zread_file = win32_read_file_func;
+ pzlib_filefunc_def->zwrite_file = win32_write_file_func;
+ pzlib_filefunc_def->ztell64_file = win32_tell64_file_func;
+ pzlib_filefunc_def->zseek64_file = win32_seek64_file_func;
+ pzlib_filefunc_def->zclose_file = win32_close_file_func;
+ pzlib_filefunc_def->zerror_file = win32_error_file_func;
+ pzlib_filefunc_def->opaque = NULL;
+}
Code Review / simantics / fmil.git / blobdiff