Initial add.
This commit is contained in:
Ryan C. Gordon
parent
41d1d28807
commit
7d08cd6232
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@ -0,0 +1,632 @@
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/*
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* Skeleton platform-dependent support routines for PhysicsFS.
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*
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* Please see the file LICENSE in the source's root directory.
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*
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* This file written by Ryan C. Gordon.
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*/
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#if HAVE_CONFIG_H
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# include <config.h>
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#endif
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#include <stdio.h>
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#include <windows.h>
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#define __PHYSICSFS_INTERNAL__
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#include "physfs_internal.h"
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#define INVALID_FILE_ATTRIBUTES 0xFFFFFFFF
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#define INVALID_SET_FILE_POINTER 0xFFFFFFFF
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typedef struct
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{
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HANDLE handle;
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int readonly;
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} winCEfile;
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const char *__PHYSFS_platformDirSeparator = "\\";
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/*
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* Figure out what the last failing Win32 API call was, and
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* generate a human-readable string for the error message.
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*
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* The return value is a static buffer that is overwritten with
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* each call to this function.
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*/
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static const char *win32strerror(void)
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{
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static TCHAR msgbuf[255];
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TCHAR *ptr = msgbuf;
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FormatMessage(
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FORMAT_MESSAGE_FROM_SYSTEM |
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FORMAT_MESSAGE_IGNORE_INSERTS,
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NULL,
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GetLastError(),
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MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), /* Default language */
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msgbuf,
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sizeof (msgbuf) / sizeof (TCHAR),
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NULL
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);
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/* chop off newlines. */
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for (ptr = msgbuf; *ptr; ptr++)
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{
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if ((*ptr == '\n') || (*ptr == '\r'))
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{
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*ptr = ' ';
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break;
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} /* if */
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} /* for */
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return((const char *) msgbuf);
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} /* win32strerror */
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static char *UnicodeToAsc(const wchar_t *w_str)
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{
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char *str=NULL;
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if(w_str!=NULL)
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{
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int len=wcslen(w_str)+1;
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str=(char *)malloc(len);
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if(WideCharToMultiByte(CP_ACP,0,w_str,-1,str,len,NULL,NULL)==0)
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{ //Conversion failed
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free(str);
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return NULL;
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}
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else
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{ //Conversion successful
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return(str);
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}
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}
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else
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{ //Given NULL string
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return NULL;
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}
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}
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static wchar_t *AscToUnicode(const char *str)
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{
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wchar_t *w_str=NULL;
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if(str!=NULL)
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{
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int len=strlen(str)+1;
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w_str=(wchar_t *)malloc(sizeof(wchar_t)*len);
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if(MultiByteToWideChar(CP_ACP,0,str,-1,w_str,len)==0)
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{
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free(w_str);
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return NULL;
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}
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else
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{
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return(w_str);
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}
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}
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else
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{
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return NULL;
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}
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}
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int __PHYSFS_platformInit(void)
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{
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return(1); /* always succeed. */
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} /* __PHYSFS_platformInit */
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int __PHYSFS_platformDeinit(void)
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{
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return(1); /* always succeed. */
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} /* __PHYSFS_platformDeinit */
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char **__PHYSFS_platformDetectAvailableCDs(void)
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{
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BAIL_MACRO(ERR_NOT_IMPLEMENTED, NULL);
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} /* __PHYSFS_platformDetectAvailableCDs */
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char *__PHYSFS_platformCalcBaseDir(const char *argv0)
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{
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return("\\");
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// BAIL_MACRO(ERR_NOT_IMPLEMENTED, NULL);
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} /* __PHYSFS_platformCalcBaseDir */
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char *__PHYSFS_platformGetUserName(void)
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{
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BAIL_MACRO(ERR_NOT_IMPLEMENTED, NULL);
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} /* __PHYSFS_platformGetUserName */
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char *__PHYSFS_platformGetUserDir(void)
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{
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return("\\");
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BAIL_MACRO(ERR_NOT_IMPLEMENTED, NULL);
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} /* __PHYSFS_platformGetUserDir */
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PHYSFS_uint64 __PHYSFS_platformGetThreadID(void)
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{
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return(1); /* single threaded. */
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} /* __PHYSFS_platformGetThreadID */
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int __PHYSFS_platformStricmp(const char *x, const char *y)
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{
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const char *p1 = x, *p2 = y;
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int r = 0;
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while((*p1) && (*p2) && (toupper(*p1++) == toupper(*p2++))) ++r;
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r = (!((*p1) || (*p2)) ? (0) : ((toupper(*p1) > toupper(*p2)) ?
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(r + 1) : -(r + 1)));
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return(r);
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} /* __PHYSFS_platformStricmp */
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int __PHYSFS_platformExists(const char *fname)
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{
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int retval=0;
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wchar_t *w_fname=AscToUnicode(fname);
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if(w_fname!=NULL)
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{
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retval=(GetFileAttributes(w_fname) != INVALID_FILE_ATTRIBUTES);
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free(w_fname);
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}
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return(retval);
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} /* __PHYSFS_platformExists */
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int __PHYSFS_platformIsSymLink(const char *fname)
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{
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BAIL_MACRO(ERR_NOT_IMPLEMENTED, 0);
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} /* __PHYSFS_platformIsSymlink */
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int __PHYSFS_platformIsDirectory(const char *fname)
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{
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int retval=0;
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wchar_t *w_fname=AscToUnicode(fname);
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if(w_fname!=NULL)
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{
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retval=((GetFileAttributes(w_fname) & FILE_ATTRIBUTE_DIRECTORY) != 0);
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free(w_fname);
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}
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return(retval);
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} /* __PHYSFS_platformIsDirectory */
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char *__PHYSFS_platformCvtToDependent(const char *prepend,
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const char *dirName,
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const char *append)
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{
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int len = ((prepend) ? strlen(prepend) : 0) +
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((append) ? strlen(append) : 0) +
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strlen(dirName) + 1;
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char *retval = malloc(len);
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char *p;
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BAIL_IF_MACRO(retval == NULL, ERR_OUT_OF_MEMORY, NULL);
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if (prepend)
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strcpy(retval, prepend);
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else
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retval[0] = '\0';
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strcat(retval, dirName);
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if (append)
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strcat(retval, append);
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for (p = strchr(retval, '/'); p != NULL; p = strchr(p + 1, '/'))
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*p = '\\';
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return(retval);
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} /* __PHYSFS_platformCvtToDependent */
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void __PHYSFS_platformTimeslice(void)
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{
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Sleep(10);
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} /* __PHYSFS_platformTimeslice */
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LinkedStringList *__PHYSFS_platformEnumerateFiles(const char *dirname,
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int omitSymLinks)
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{
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LinkedStringList *retval = NULL;
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LinkedStringList *l = NULL;
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LinkedStringList *prev = NULL;
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HANDLE dir;
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WIN32_FIND_DATA ent;
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char *SearchPath;
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wchar_t *w_SearchPath;
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size_t len = strlen(dirname);
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/* Allocate a new string for path, maybe '\\', "*", and NULL terminator */
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SearchPath = (char *) alloca(len + 3);
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BAIL_IF_MACRO(SearchPath == NULL, ERR_OUT_OF_MEMORY, NULL);
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/* Copy current dirname */
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strcpy(SearchPath, dirname);
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/* if there's no '\\' at the end of the path, stick one in there. */
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if (SearchPath[len - 1] != '\\')
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{
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SearchPath[len++] = '\\';
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SearchPath[len] = '\0';
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} /* if */
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/* Append the "*" to the end of the string */
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strcat(SearchPath, "*");
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w_SearchPath=AscToUnicode(SearchPath);
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dir = FindFirstFile(w_SearchPath, &ent);
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free(w_SearchPath);
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free(SearchPath);
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if(dir == INVALID_HANDLE_VALUE)
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{
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return NULL;
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}
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do
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{
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if (wcscmp(ent.cFileName, L".") == 0)
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continue;
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if (wcscmp(ent.cFileName, L"..") == 0)
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continue;
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l = (LinkedStringList *) malloc(sizeof (LinkedStringList));
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if (l == NULL)
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break;
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l->str=UnicodeToAsc(ent.cFileName);
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if (l->str == NULL)
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{
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free(l);
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break;
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}
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if (retval == NULL)
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retval = l;
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else
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prev->next = l;
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prev = l;
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l->next = NULL;
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} while (FindNextFile(dir, &ent) != 0);
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FindClose(dir);
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return(retval);
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} /* __PHYSFS_platformEnumerateFiles */
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char *__PHYSFS_platformCurrentDir(void)
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{
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return("\\");
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} /* __PHYSFS_platformCurrentDir */
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char *__PHYSFS_platformRealPath(const char *path)
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{
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char *retval=(char *)malloc(strlen(path)+1);
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strcpy(retval,path);
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return(retval);
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} /* __PHYSFS_platformRealPath */
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int __PHYSFS_platformMkDir(const char *path)
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{
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wchar_t *w_path = AscToUnicode(path);
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if(w_path!=NULL)
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{
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DWORD rc = CreateDirectory(w_path, NULL);
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free(w_path);
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if(rc==0)
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{
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return(0);
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}
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return(1);
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}
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else
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{
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return(0);
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}
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} /* __PHYSFS_platformMkDir */
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static void *doOpen(const char *fname, DWORD mode, DWORD creation, int rdonly)
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{
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HANDLE fileHandle;
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winCEfile *retval;
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wchar_t *w_fname=AscToUnicode(fname);
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fileHandle = CreateFile(w_fname, mode, FILE_SHARE_READ, NULL,
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creation, FILE_ATTRIBUTE_NORMAL, NULL);
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free(w_fname);
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if(fileHandle==INVALID_HANDLE_VALUE)
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{
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return NULL;
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}
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BAIL_IF_MACRO(fileHandle == INVALID_HANDLE_VALUE, win32strerror(), NULL);
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retval = malloc(sizeof (winCEfile));
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if (retval == NULL)
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{
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CloseHandle(fileHandle);
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BAIL_MACRO(ERR_OUT_OF_MEMORY, NULL);
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} /* if */
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retval->readonly = rdonly;
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retval->handle = fileHandle;
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return(retval);
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} /* doOpen */
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void *__PHYSFS_platformOpenRead(const char *filename)
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{
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return(doOpen(filename, GENERIC_READ, OPEN_EXISTING, 1));
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} /* __PHYSFS_platformOpenRead */
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void *__PHYSFS_platformOpenWrite(const char *filename)
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{
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return(doOpen(filename, GENERIC_WRITE, CREATE_ALWAYS, 0));
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} /* __PHYSFS_platformOpenWrite */
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void *__PHYSFS_platformOpenAppend(const char *filename)
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{
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void *retval = doOpen(filename, GENERIC_WRITE, OPEN_ALWAYS, 0);
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if (retval != NULL)
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{
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HANDLE h = ((winCEfile *) retval)->handle;
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if (SetFilePointer(h, 0, NULL, FILE_END) == INVALID_SET_FILE_POINTER)
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{
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const char *err = win32strerror();
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CloseHandle(h);
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free(retval);
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BAIL_MACRO(err, NULL);
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} /* if */
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} /* if */
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return(retval);
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} /* __PHYSFS_platformOpenAppend */
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PHYSFS_sint64 __PHYSFS_platformRead(void *opaque, void *buffer,
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PHYSFS_uint32 size, PHYSFS_uint32 count)
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{
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HANDLE FileHandle = ((winCEfile *) opaque)->handle;
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DWORD CountOfBytesRead;
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PHYSFS_sint64 retval;
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/* Read data from the file */
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/*!!! - uint32 might be a greater # than DWORD */
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if(!ReadFile(FileHandle, buffer, count * size, &CountOfBytesRead, NULL))
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{
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retval=-1;
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} /* if */
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else
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{
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/* Return the number of "objects" read. */
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/* !!! - What if not the right amount of bytes was read to make an object? */
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retval = CountOfBytesRead / size;
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} /* else */
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return(retval);
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} /* __PHYSFS_platformRead */
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PHYSFS_sint64 __PHYSFS_platformWrite(void *opaque, const void *buffer,
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PHYSFS_uint32 size, PHYSFS_uint32 count)
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{
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HANDLE FileHandle = ((winCEfile *) opaque)->handle;
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DWORD CountOfBytesWritten;
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PHYSFS_sint64 retval;
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/* Read data from the file */
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/*!!! - uint32 might be a greater # than DWORD */
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if(!WriteFile(FileHandle, buffer, count * size, &CountOfBytesWritten, NULL))
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{
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retval=-1;
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} /* if */
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else
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{
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/* Return the number of "objects" read. */
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/*!!! - What if not the right number of bytes was written? */
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retval = CountOfBytesWritten / size;
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} /* else */
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return(retval);
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} /* __PHYSFS_platformWrite */
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int __PHYSFS_platformSeek(void *opaque, PHYSFS_uint64 pos)
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{
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HANDLE FileHandle = ((winCEfile *) opaque)->handle;
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DWORD HighOrderPos;
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DWORD rc;
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/* Get the high order 32-bits of the position */
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//HighOrderPos = HIGHORDER_UINT64(pos);
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HighOrderPos = (unsigned long)(pos>>32);
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/*!!! SetFilePointer needs a signed 64-bit value. */
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/* Move pointer "pos" count from start of file */
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rc = SetFilePointer(FileHandle, (unsigned long)(pos&0x00000000ffffffff),
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&HighOrderPos, FILE_BEGIN);
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if ((rc == INVALID_SET_FILE_POINTER) && (GetLastError() != NO_ERROR))
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{
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BAIL_MACRO(win32strerror(), 0);
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}
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return(1); /* No error occured */
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} /* __PHYSFS_platformSeek */
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PHYSFS_sint64 __PHYSFS_platformTell(void *opaque)
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{
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HANDLE FileHandle = ((winCEfile *) opaque)->handle;
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DWORD HighPos = 0;
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DWORD LowPos;
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PHYSFS_sint64 retval;
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/* Get current position */
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LowPos = SetFilePointer(FileHandle, 0, &HighPos, FILE_CURRENT);
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if ((LowPos == INVALID_SET_FILE_POINTER) && (GetLastError() != NO_ERROR))
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||||
{
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||||
BAIL_MACRO(win32strerror(), 0);
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||||
} /* if */
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||||
else
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||||
{
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||||
/* Combine the high/low order to create the 64-bit position value */
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||||
retval = (((PHYSFS_uint64) HighPos) << 32) | LowPos;
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||||
//assert(retval >= 0);
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||||
} /* else */
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||||
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return(retval);
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} /* __PHYSFS_platformTell */
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||||
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||||
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||||
PHYSFS_sint64 __PHYSFS_platformFileLength(void *opaque)
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||||
{
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||||
HANDLE FileHandle = ((winCEfile *) opaque)->handle;
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||||
DWORD SizeHigh;
|
||||
DWORD SizeLow;
|
||||
PHYSFS_sint64 retval;
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||||
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||||
SizeLow = GetFileSize(FileHandle, &SizeHigh);
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||||
if ((SizeLow == INVALID_SET_FILE_POINTER) && (GetLastError() != NO_ERROR))
|
||||
{
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||||
BAIL_MACRO(win32strerror(), -1);
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||||
} /* if */
|
||||
else
|
||||
{
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||||
/* Combine the high/low order to create the 64-bit position value */
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||||
retval = (((PHYSFS_uint64) SizeHigh) << 32) | SizeLow;
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||||
//assert(retval >= 0);
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||||
} /* else */
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||||
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||||
return(retval);
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||||
} /* __PHYSFS_platformFileLength */
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||||
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|
||||
int __PHYSFS_platformEOF(void *opaque)
|
||||
{
|
||||
PHYSFS_sint64 FilePosition;
|
||||
int retval = 0;
|
||||
|
||||
/* Get the current position in the file */
|
||||
if ((FilePosition = __PHYSFS_platformTell(opaque)) != 0)
|
||||
{
|
||||
/* Non-zero if EOF is equal to the file length */
|
||||
retval = FilePosition == __PHYSFS_platformFileLength(opaque);
|
||||
} /* if */
|
||||
|
||||
return(retval);
|
||||
} /* __PHYSFS_platformEOF */
|
||||
|
||||
|
||||
int __PHYSFS_platformFlush(void *opaque)
|
||||
{
|
||||
winCEfile *fh = ((winCEfile *) opaque);
|
||||
if (!fh->readonly)
|
||||
BAIL_IF_MACRO(!FlushFileBuffers(fh->handle), win32strerror(), 0);
|
||||
|
||||
return(1);
|
||||
} /* __PHYSFS_platformFlush */
|
||||
|
||||
|
||||
int __PHYSFS_platformClose(void *opaque)
|
||||
{
|
||||
HANDLE FileHandle = ((winCEfile *) opaque)->handle;
|
||||
BAIL_IF_MACRO(!CloseHandle(FileHandle), win32strerror(), 0);
|
||||
free(opaque);
|
||||
return(1);
|
||||
} /* __PHYSFS_platformClose */
|
||||
|
||||
|
||||
int __PHYSFS_platformDelete(const char *path)
|
||||
{
|
||||
wchar_t *w_path=AscToUnicode(path);
|
||||
|
||||
/* If filename is a folder */
|
||||
if (GetFileAttributes(w_path) == FILE_ATTRIBUTE_DIRECTORY)
|
||||
{
|
||||
int retval=!RemoveDirectory(w_path);
|
||||
free(w_path);
|
||||
BAIL_IF_MACRO(retval, win32strerror(), 0);
|
||||
} /* if */
|
||||
else
|
||||
{
|
||||
int retval=!DeleteFile(w_path);
|
||||
free(w_path);
|
||||
BAIL_IF_MACRO(retval, win32strerror(), 0);
|
||||
} /* else */
|
||||
|
||||
return(1); /* if you got here, it worked. */
|
||||
} /* __PHYSFS_platformDelete */
|
||||
|
||||
|
||||
void *__PHYSFS_platformCreateMutex(void)
|
||||
{
|
||||
return((void *) CreateMutex(NULL, FALSE, NULL));
|
||||
} /* __PHYSFS_platformCreateMutex */
|
||||
|
||||
|
||||
void __PHYSFS_platformDestroyMutex(void *mutex)
|
||||
{
|
||||
CloseHandle((HANDLE) mutex);
|
||||
} /* __PHYSFS_platformDestroyMutex */
|
||||
|
||||
|
||||
int __PHYSFS_platformGrabMutex(void *mutex)
|
||||
{
|
||||
return(WaitForSingleObject((HANDLE) mutex, INFINITE) != WAIT_FAILED);
|
||||
} /* __PHYSFS_platformGrabMutex */
|
||||
|
||||
|
||||
void __PHYSFS_platformReleaseMutex(void *mutex)
|
||||
{
|
||||
ReleaseMutex((HANDLE) mutex);
|
||||
} /* __PHYSFS_platformReleaseMutex */
|
||||
|
||||
|
||||
PHYSFS_sint64 __PHYSFS_platformGetLastModTime(const char *fname)
|
||||
{
|
||||
BAIL_MACRO(ERR_NOT_IMPLEMENTED, -1);
|
||||
} /* __PHYSFS_platformGetLastModTime */
|
||||
|
||||
/* end of skeleton.c ... */
|
||||
|
||||
Loading…
Reference in New Issue