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-rw-r--r--backends/platform/wince/missing/missing.cpp512
1 files changed, 90 insertions, 422 deletions
diff --git a/backends/platform/wince/missing/missing.cpp b/backends/platform/wince/missing/missing.cpp
index 86d93dcb88..c760b1f7df 100644
--- a/backends/platform/wince/missing/missing.cpp
+++ b/backends/platform/wince/missing/missing.cpp
@@ -1,8 +1,34 @@
-/* MISSING.C
- Implementation for standard and semi-standard C library calls missing in WinCE
- environment.
- by Vasyl Tsvirkunov
-*/
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * $URL$
+ * $Id$
+ *
+ */
+
+/* Original code:
+ * Implementation for standard and semi-standard C library calls missing in WinCE
+ * environment.
+ * by Vasyl Tsvirkunov
+ */
+
#include <windows.h>
#include <tchar.h>
@@ -17,19 +43,8 @@
#include "time.h"
#include "dirent.h"
-/* forward declaration */
-
-#if _WIN32_WCE < 300
-
-#define _STDAFX_H
-#include "portdefs.h"
-
-#else
-
char *strdup(const char *strSource);
-#endif
-
#ifdef __GNUC__
#define EXT_C extern "C"
#else
@@ -40,19 +55,27 @@ char *strdup(const char *strSource);
void *bsearch(const void *key, const void *base, size_t nmemb,
size_t size, int (*compar)(const void *, const void *)) {
- size_t i;
+ // Perform binary search
+ size_t lo = 0;
+ size_t hi = nmemb;
+ while (lo < hi) {
+ size_t mid = (lo + hi) / 2;
+ const void *p = ((const char *)base) + mid * size;
+ int tmp = (*compar)(key, p);
+ if (tmp < 0)
+ hi = mid;
+ else if (tmp > 0)
+ lo = mid + 1;
+ else
+ return (void *)p;
+ }
- for (i=0; i<nmemb; i++)
- if (compar(key, (void*)((size_t)base + size * i)) == 0)
- return (void*)((size_t)base + size * i);
return NULL;
}
static WIN32_FIND_DATA wfd;
-/* Very limited implementation of stat. Used by UI.C, MEMORY-P.C (latter is not critical) */
-int stat(const char *fname, struct stat *ss)
-{
+int stat(const char *fname, struct stat *ss) {
TCHAR fnameUnc[MAX_PATH+1];
HANDLE handle;
int len;
@@ -63,8 +86,7 @@ int stat(const char *fname, struct stat *ss)
/* Special case (dummy on WinCE) */
len = strlen(fname);
if (len >= 2 && fname[len-1] == '.' && fname[len-2] == '.' &&
- (len == 2 || fname[len-3] == '\\'))
- {
+ (len == 2 || fname[len-3] == '\\')) {
/* That's everything implemented so far */
memset(ss, 0, sizeof(struct stat));
ss->st_size = 1024;
@@ -74,6 +96,7 @@ int stat(const char *fname, struct stat *ss)
MultiByteToWideChar(CP_ACP, 0, fname, -1, fnameUnc, MAX_PATH);
handle = FindFirstFile(fnameUnc, &wfd);
+ FindClose(handle);
if (handle == INVALID_HANDLE_VALUE)
return -1;
else
@@ -83,20 +106,16 @@ int stat(const char *fname, struct stat *ss)
ss->st_size = wfd.nFileSizeLow;
if (wfd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
ss->st_mode |= S_IFDIR;
-
- FindClose(handle);
}
return 0;
}
char cwd[MAX_PATH+1] = "";
-EXT_C char *getcwd(char *buffer, int maxlen)
-{
+EXT_C char *getcwd(char *buffer, int maxlen) {
TCHAR fileUnc[MAX_PATH+1];
char* plast;
- if (cwd[0] == 0)
- {
+ if (cwd[0] == 0) {
GetModuleFileName(NULL, fileUnc, MAX_PATH);
WideCharToMultiByte(CP_ACP, 0, fileUnc, -1, cwd, MAX_PATH, NULL, NULL);
plast = strrchr(cwd, '\\');
@@ -114,8 +133,7 @@ EXT_C char *getcwd(char *buffer, int maxlen)
#ifdef __GNUC__
#undef GetCurrentDirectory
#endif
-EXT_C void GetCurrentDirectory(int len, char *buf)
-{
+EXT_C void GetCurrentDirectory(int len, char *buf) {
getcwd(buf,len);
};
@@ -125,26 +143,22 @@ fully qualified paths refer to root folder rather
than current folder (concept not implemented in CE).
*/
#undef fopen
-EXT_C FILE *wce_fopen(const char* fname, const char* fmode)
-{
+EXT_C FILE *wce_fopen(const char* fname, const char* fmode) {
char fullname[MAX_PATH+1];
if (!fname || fname[0] == '\0')
return NULL;
- if (fname[0] != '\\' && fname[0] != '/')
- {
+ if (fname[0] != '\\' && fname[0] != '/') {
getcwd(fullname, MAX_PATH);
strncat(fullname, "\\", MAX_PATH-strlen(fullname)-1);
strncat(fullname, fname, MAX_PATH-strlen(fullname)-strlen(fname));
return fopen(fullname, fmode);
- }
- else
+ } else
return fopen(fname, fmode);
}
/* Remove file by name */
-int remove(const char* path)
-{
+int remove(const char* path) {
TCHAR pathUnc[MAX_PATH+1];
MultiByteToWideChar(CP_ACP, 0, path, -1, pathUnc, MAX_PATH);
return !DeleteFile(pathUnc);
@@ -158,14 +172,22 @@ int _access(const char *path, int mode) {
WIN32_FIND_DATA ffd;
HANDLE h=FindFirstFile(fname, &ffd);
+ FindClose(h);
if (h == INVALID_HANDLE_VALUE)
return -1; //Can't find file
- FindClose(h);
- if (ffd.dwFileAttributes&FILE_ATTRIBUTE_DIRECTORY)
- return 0; //Always return success if target is directory and exists
+ if (ffd.dwFileAttributes&FILE_ATTRIBUTE_DIRECTORY) {
+ // WORKAROUND: WinCE (or the emulator) sometimes returns bogus direcotry
+ // hits for files that don't exist. Checking for the same fname twice
+ // seems to weed out those false positives.
+ HANDLE h=FindFirstFile(fname, &ffd);
+ FindClose(h);
+ if (h == INVALID_HANDLE_VALUE)
+ return -1; //Can't find file
+ return 0; //Always return success if target is directory and exists
+ }
switch (mode) {
case 00: //Check existence
return 0;
@@ -183,8 +205,7 @@ int _access(const char *path, int mode) {
#ifndef __GNUC__
/* Limited dirent implementation. Used by UI.C and DEVICES.C */
-DIR* opendir(const char* fname)
-{
+DIR* opendir(const char* fname) {
DIR* pdir;
char fnameMask[MAX_PATH+1];
TCHAR fnameUnc[MAX_PATH+1];
@@ -209,13 +230,10 @@ DIR* opendir(const char* fname)
strcpy(pdir->dd_name, fname); /* it has exactly enough space for fname and nul char */
MultiByteToWideChar(CP_ACP, 0, fnameMask, -1, fnameUnc, MAX_PATH);
- if ((pdir->dd_handle = (long)FindFirstFile(fnameUnc, &wfd)) == (long)INVALID_HANDLE_VALUE)
- {
+ if ((pdir->dd_handle = (long)FindFirstFile(fnameUnc, &wfd)) == (long)INVALID_HANDLE_VALUE) {
free(pdir);
return NULL;
- }
- else
- {
+ } else {
WideCharToMultiByte(CP_ACP, 0, wfd.cFileName, -1, nameFound, MAX_PATH, NULL, NULL);
pdir->dd_dir.d_name = strdup(nameFound);
@@ -224,34 +242,25 @@ DIR* opendir(const char* fname)
return pdir;
}
-struct dirent* readdir(DIR* dir)
-{
+struct dirent* readdir(DIR* dir) {
char nameFound[MAX_PATH+1];
static struct dirent dummy;
- if (dir->dd_stat == 0)
- {
+ if (dir->dd_stat == 0) {
dummy.d_name = ".";
dummy.d_namlen = 1;
dir->dd_stat ++;
return &dummy;
- }
- else if (dir->dd_stat == 1)
- {
+ } else if (dir->dd_stat == 1) {
dummy.d_name = "..";
dummy.d_namlen = 2;
dir->dd_stat ++;
return &dummy;
- }
- else if (dir->dd_stat == 2)
- {
+ } else if (dir->dd_stat == 2) {
dir->dd_stat++;
return &dir->dd_dir;
- }
- else
- {
- if (FindNextFile((HANDLE)dir->dd_handle, &wfd) == 0)
- {
+ } else {
+ if (FindNextFile((HANDLE)dir->dd_handle, &wfd) == 0) {
dir->dd_stat = -1;
return NULL;
}
@@ -283,12 +292,6 @@ int closedir(DIR* dir)
return 1;
}
-/* in our case unlink is the same as remove */
-int unlink(const char* path)
-{
- return remove(path);
-}
-
/* Make directory, Unix style */
void mkdir(char* dirname, int mode)
{
@@ -299,10 +302,8 @@ void mkdir(char* dirname, int mode)
if (*path == '/')
*path = '\\';
/* Run through the string and attempt creating all subdirs on the path */
- for (ptr = path+1; *ptr; ptr ++)
- {
- if (*ptr == '\\' || *ptr == '/')
- {
+ for (ptr = path+1; *ptr; ptr ++) {
+ if (*ptr == '\\' || *ptr == '/') {
*ptr = 0;
MultiByteToWideChar(CP_ACP, 0, path, -1, pathUnc, MAX_PATH);
CreateDirectory(pathUnc, 0);
@@ -313,373 +314,40 @@ void mkdir(char* dirname, int mode)
CreateDirectory(pathUnc, 0);
}
-/* Used in DEVICES.C and UI.C for some purpose. Not critical in this port */
-int system(const char* path) { return 0; }
-
-#if 0
-
-char *tmpnam(char *string)
-{
- TCHAR pTemp[MAX_PATH+1];
- static char buffer[MAX_PATH+1];
- GetTempFileName(TEXT("."), TEXT("A8_"), 0, pTemp);
- WideCharToMultiByte(CP_ACP, 0, pTemp, -1, buffer, MAX_PATH, NULL, NULL);
-
- if (string)
- {
- strcpy(string, buffer);
- return string;
- }
- else
- return buffer;
-}
-
-FILE *tmpfile()
-{
- TCHAR pTemp[MAX_PATH+1];
- if (!GetTempFileName(TEXT("."), TEXT("A8_"), 0, pTemp))
- return _wfopen(pTemp, TEXT("w+b"));
- else
- return 0;
-}
-
-#endif
-
-void rewind(FILE *stream)
-{
- fseek(stream, 0, SEEK_SET);
-}
-
-
-#if _WIN32_WCE < 300
-
-int isalnum(int c) {
- return ((c >= 'A' && c <= 'Z') ||
- (c >= 'a' && c <= 'z') ||
- (c >= '0' && c <= '9'));
-}
-
-char *_strdup(const char *strSource)
-#else
char *strdup(const char *strSource)
-#endif
{
char* buffer;
- buffer = (char*)malloc(strlen(strSource)+1);
+ size_z len = strlen(strSource)+1;
+ buffer = (char*)malloc(len);
if (buffer)
- strcpy(buffer, strSource);
+ memcpy(buffer, strSource, len);
return buffer;
}
-/* Very limited implementation of sys/time.h */
-void usleep(long usec)
-{
- long msec = usec/1000;
- if (msec <= 0)
- Sleep(0);
- else
- Sleep(msec);
-}
-
-/* This may provide for better sync mechanism */
-unsigned int clock()
-{
- return GetTickCount();
-}
-
-/* And why do people use this? */
-#if _WIN32_WCE >= 300
-void abort()
-{
- exit(1);
-}
-#endif
-
-/*
-IMHO, no project should use this one, it is not portable at all. This implementation
-at least allows some projects to work.
-*/
-char* getenv(char* name)
-{
- static char buffer[MAX_PATH+1];
- if (strcmp(name, "HOME") == 0 || strcmp(name, "HOMEDIR") == 0)
- {
- getcwd(buffer, MAX_PATH);
- return buffer;
- }
- else
- return "";
-}
-
-#if _WIN32_WCE < 300 || defined(_TEST_HPC_STDIO)
-
-void *calloc(size_t n, size_t s) {
- void *result = malloc(n * s);
- if (result)
- memset(result, 0, n * s);
-
- return result;
-}
-
-char *strpbrk(const char *s, const char *accept) {
- int i;
-
- if (!s || !accept)
- return NULL;
-
- for (i=0; i<strlen(s); i++) {
- int j;
- for (j=0; j<strlen(accept); j++)
- if (s[i] == accept[j])
- return (char*)&s[i];
- }
-
- return NULL;
-}
-
-#ifndef _TEST_HPC_STDIO
-
-int isdigit(int c) {
- return (c >='0' && c <= '9');
-}
-
-int isprint(int c) {
- return (c >= ' ' && c <= '~');
-}
-
-int isspace(int c) {
- return (c == ' ');
-}
-
-#endif
-
-#ifndef WIN32_PLATFORM_HPCPRO
-
-
-int printf(const char *format, ...) {
- // useless anyway :)
- return 0;
-}
-
-FILE *fopen(const char *path, const char *mode) {
- TCHAR tempo[MAX_PATH];
- HANDLE result;
- bool writeAccess = (mode[0] == 'W' || mode[0] == 'w');
-
- MultiByteToWideChar(CP_ACP, 0, path, strlen(path) + 1, tempo, sizeof(tempo));
-
- result = CreateFile(tempo, ( writeAccess ? GENERIC_WRITE : GENERIC_READ), 0, NULL, (writeAccess ? CREATE_ALWAYS : OPEN_EXISTING), FILE_ATTRIBUTE_NORMAL, NULL);
- if (result == INVALID_HANDLE_VALUE)
- return NULL;
- else
- return (FILE*)result;
-}
-
-FILE * _wfopen(const TCHAR *path, const TCHAR *mode) {
- HANDLE result;
- bool writeAccess = (mode[0] == 'W' || mode[0] == 'w');
- result = CreateFile(path, ( writeAccess ? GENERIC_WRITE : GENERIC_READ), 0, NULL, (writeAccess ? CREATE_ALWAYS : OPEN_EXISTING), FILE_ATTRIBUTE_NORMAL, NULL);
- if (result == INVALID_HANDLE_VALUE)
- return NULL;
- else
- return (FILE*)result;
-}
-
-FILE *_wfreopen(const TCHAR *path, const TCHAR *mode, FILE *stream) {
- fclose(stream);
- stream = _wfopen(path, mode);
- return stream;
-}
-
-int fclose(FILE *stream) {
- CloseHandle((HANDLE)stream);
- return 1;
-}
-
-int fseek(FILE *stream, long offset, int whence) {
- SetFilePointer((HANDLE)stream, offset, NULL, (whence == SEEK_CUR ? FILE_CURRENT : whence == SEEK_END ? FILE_END : FILE_BEGIN));
- return 0;
-}
-
-long ftell(FILE *stream) {
- return (SetFilePointer((HANDLE)stream, 0, NULL, FILE_CURRENT));
-}
-
-size_t fwrite(const void *ptr, size_t size, size_t nmemb, FILE *stream) {
- DWORD sizeWritten;
-
- WriteFile((HANDLE)stream, ptr, size * nmemb, &sizeWritten, NULL);
-
- if (size != 0)
- return sizeWritten / size;
- else
- return 0;
-}
-
-size_t fread(void *ptr, size_t size, size_t nmemb, FILE *stream) {
- DWORD sizeRead;
-
- ReadFile((HANDLE)stream, ptr, size * nmemb, &sizeRead, NULL);
-
- if (size != 0)
- return sizeRead / size;
- else
- return 0;
-}
-
-int fgetc(FILE *stream) {
- unsigned char c;
- if (fread(&c, 1, 1, stream) != 1)
- return -1;
- else
- return c;
-}
-
-char *fgets(char *s, int size, FILE *stream) {
- int i = 0;
- char tempo[1];
-
- memset(s, 0, size);
- while (fread(tempo, 1, 1, stream)) {
- //if (tempo[0] == '\r')
- // break;
- if (tempo[0] == '\r')
- continue;
- s[i++] = tempo[0];
- if (tempo[0] == '\n')
- break;
- if (i == size)
- break;
- }
- if (!i)
- return NULL;
- else
- return s;
-}
-
-int feof(FILE *stream) {
- DWORD fileSize;
- DWORD filePos;
- fileSize = GetFileSize((HANDLE)stream, NULL);
- filePos = SetFilePointer((HANDLE)stream, 0, 0, FILE_CURRENT);
- return (filePos == 0xFFFFFFFF || filePos > (fileSize - 1));
-}
-
-int ferror(FILE *stream) {
- return 0; // FIXME !
-}
-
-int fprintf(FILE *stream, const char *format, ...) {
- char buf[1024];
- va_list va;
-
- va_start(va, format);
- vsnprintf(buf, 1024, format, va);
- va_end(va);
-
- if (buf[strlen(buf) - 1] == '\n') {
- int i = strlen(buf) - 1;
- buf[i] = '\r';
- buf[i + 1] = '\n';
- buf[i + 2] = 0;
- }
-
- return fwrite(buf, 1, strlen(buf), stream);
-}
-
-FILE* _getstdfilex(int) {
- return NULL;
-}
-
-void clearerr(FILE *stream) {
-}
-
-int fflush(FILE *stream) {
- return 0;
-}
-
-#endif
-
-int stricmp( const char *string1, const char *string2 ) {
- char src[4096];
- char dest[4096];
- int i;
-
- for (i=0; i<strlen(string1); i++)
- if (string1[i] >= 'A' && string1[i] <= 'Z')
- src[i] = string1[i] + 32;
- else
- src[i] = string1[i];
- src[i] = 0;
-
- for (i=0; i<strlen(string2); i++)
- if (string2[i] >= 'A' && string2[i] <= 'Z')
- dest[i] = string2[i] + 32;
- else
- dest[i] = string2[i];
- dest[i] = 0;
-
- return strcmp(src, dest);
-}
-
-char *strrchr(const char *s, int c) {
- int i;
-
- for (i = strlen(s) - 1; i > 0; i--)
- if (s[i] == c)
- return (char*)(s + i);
-
- return NULL;
-}
-
-long int strtol(const char *nptr, char **endptr, int base) {
- // not correct but that's all we are using
-
- long int result;
- sscanf(nptr, "%ld", &result);
- return result;
-}
-
-
-#endif
-
-
// gcc build only functions follow
#else // defined(__GNUC__)
#ifndef __MINGW32CE__
-int islower(int c)
-{
+int islower(int c) {
return (c>='a' && c<='z');
}
-int isspace(int c)
-{
+int isspace(int c) {
return (c==' ' || c=='\f' || c=='\n' || c=='\r' || c=='\t' || c=='\v');
}
-int isalpha(int c)
-{
- return (islower(c) || (c>='A' && c<='Z'));
+int isalpha(int c) {
+ return ((c>='a' && c<='z') || (c>='A' && c<='Z'));
}
-int isalnum(int c)
-{
- return (isalpha(c) || (c>='0' && c<='9'));
-}
-
-int isprint(int c)
-{
- static char punct[] = "!\"#%&'();<=>?[\\]*+,-./:^_{|}~";
- int i = 0, flag = 0;
- while ((punct[i] != 0) && (flag = (punct[i] != c)))
- i++;
- return (isalnum(c) || flag);
+int isalnum(int c) {
+ return ((c>='a' && c<='z') || (c>='A' && c<='Z') || (c>='0' && c<='9'));
}
-extern "C" int atexit(void (*function)(void))
-{
- return 0;
+int isprint(int c) {
+ //static const char punct[] = "!\"#%&'();<=>?[\\]*+,-./:^_{|}~";
+ //return (isalnum(c) || strchr(punct, c));
+ return (32 <= c && c <= 126); // based on BSD manpage
}
#endif
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