gecko-dev/build/wince/shunt/stdio.cpp

380 строки
7.3 KiB
C++
Executable File

/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
*
* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is mozilla.org code, released
* Jan 28, 2003.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 2003
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Garrett Arch Blythe, 28-January-2003
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "mozce_internal.h"
#include <stdarg.h>
extern "C" {
#if 0
}
#endif
#define MAXFDS 100
typedef struct _fdtab_block
{
int fd;
FILE* file;
} _fdtab_block;
_fdtab_block _fdtab[MAXFDS];
void
_initfds()
{
static int fdsinitialized = 0;
if(fdsinitialized)
return;
for (int i = 0; i < MAXFDS; i++)
_fdtab[i].fd = -1;
fdsinitialized = 1;
}
int
_getnewfd()
{
int i;
for(i = 0; i < MAXFDS; i++)
{
if(_fdtab[i].fd == -1)
return i;
}
return -1;
}
MOZCE_SHUNT_API int access(const char *path, int mode)
{
MOZCE_PRECHECK
#ifdef DEBUG
mozce_printf("-- access called\n");
#endif
return 0;
}
MOZCE_SHUNT_API void rewind(FILE* inStream)
{
MOZCE_PRECHECK
#ifdef DEBUG
mozce_printf("rewind called\n");
#endif
fseek(inStream, 0, SEEK_SET);
}
MOZCE_SHUNT_API FILE* fdopen(int fd, const char* inMode)
{
MOZCE_PRECHECK
#ifdef DEBUG
mozce_printf("-- fdopen called (mode is ignored!) \n");
#endif
if(fd < 0 || fd >= MAXFDS || _fdtab[fd].fd == -1)
return 0;
return _fdtab[fd].file;
}
MOZCE_SHUNT_API void perror(const char* inString)
{
MOZCE_PRECHECK
#ifdef DEBUG
mozce_printf("perror called\n");
#endif
fprintf(stderr, "%s", inString);
}
MOZCE_SHUNT_API int remove(const char* inPath)
{
MOZCE_PRECHECK
#ifdef DEBUG
mozce_printf("remove called on %s\n", inPath);
#endif
int retval = -1;
if(NULL != inPath)
{
unsigned short wPath[MAX_PATH];
if(0 != a2w_buffer(inPath, -1, wPath, sizeof(wPath) / sizeof(unsigned short)))
{
if(FALSE != DeleteFileW(wPath))
{
retval = 0;
}
}
}
return retval;
}
MOZCE_SHUNT_API char* getcwd(char* buff, size_t size)
{
MOZCE_PRECHECK
#ifdef DEBUG
mozce_printf("getcwd called.\n");
#endif
int i;
unsigned short dir[MAX_PATH];
GetModuleFileName(GetModuleHandle (NULL), dir, MAX_PATH);
for (i = _tcslen(dir); i && dir[i] != TEXT('\\'); i--) {}
dir[i + 1] = TCHAR('\0');
w2a_buffer(dir, -1, buff, size);
return buff;
}
MOZCE_SHUNT_API int mozce_printf(const char * format, ...)
{
#ifdef DEBUG
#define MAX_CHARS_IN_VARIABLE_STRING 1024
char buf[MAX_CHARS_IN_VARIABLE_STRING];
TCHAR tBuf[MAX_CHARS_IN_VARIABLE_STRING];
va_list ptr;
va_start(ptr,format);
vsprintf(buf,format,ptr);
mbstowcs(tBuf, buf, MAX_CHARS_IN_VARIABLE_STRING);
OutputDebugString(tBuf);
return 1;
#endif
return 0;
}
static void mode2binstr(int mode, char* buffer)
{
if (mode | O_RDWR || (mode | O_WRONLY)) // write only == read|write
{
if (mode | O_CREAT)
{
strcpy(buffer, "wb+");
}
else if (mode | O_APPEND)
{
strcpy(buffer, "ab+");
}
else if (mode | O_TRUNC)
{
strcpy(buffer, "wb+");
}
else if (mode == O_RDWR)
{
strcpy(buffer, "rb+");
}
}
else if (mode | O_RDONLY)
{
strcpy(buffer, "rb");
}
}
MOZCE_SHUNT_API int open(const char *pathname, int flags, int mode)
{
MOZCE_PRECHECK
#ifdef DEBUG
mozce_printf("open called\n");
#endif
_initfds();
char modestr[10];
*modestr = '\0';
mode2binstr(mode, modestr);
if (*modestr == '\0')
return -1;
FILE* file = fopen(pathname, modestr);
int fd = -1;
if (file)
{
fd = _getnewfd();
_fdtab[fd].fd = fd;
_fdtab[fd].file = file;
fflush(file);
fread(NULL, 0, 0, file);
}
return fd;
}
MOZCE_SHUNT_API int close(int fd)
{
MOZCE_PRECHECK
#ifdef DEBUG
mozce_printf("close called\n");
#endif
if(fd < 0 || fd >= MAXFDS || _fdtab[fd].fd == -1)
return -1;
fclose(_fdtab[fd].file);
_fdtab[fd].fd = -1;
return 0;
}
MOZCE_SHUNT_API size_t read(int fd, void* buffer, size_t count)
{
MOZCE_PRECHECK
#ifdef DEBUG
mozce_printf("read called\n");
#endif
if(fd < 0 || fd >= MAXFDS || _fdtab[fd].fd == -1)
return -1;
size_t num = fread(buffer, 1, count, _fdtab[fd].file);
if (ferror(_fdtab[fd].file))
return -1;
return num;
}
MOZCE_SHUNT_API size_t write(int fd, const void* buffer, size_t count)
{
MOZCE_PRECHECK
#ifdef DEBUG
mozce_printf("write called\n");
#endif
if(fd < 0 || fd >= MAXFDS || _fdtab[fd].fd == -1)
return -1;
size_t num = fwrite(buffer, 1, count, _fdtab[fd].file);
if (ferror(_fdtab[fd].file))
return -1;
return num;
}
MOZCE_SHUNT_API int unlink(const char *pathname)
{
MOZCE_PRECHECK
#ifdef DEBUG
mozce_printf("unlink called\n");
#endif
return remove(pathname);
}
MOZCE_SHUNT_API int lseek(int fd, int offset, int whence)
{
MOZCE_PRECHECK
#ifdef DEBUG
mozce_printf("lseek called\n");
#endif
if(fd < 0 || fd >= MAXFDS || _fdtab[fd].fd == -1)
return -1;
int newpos = -1;
int error = fseek(_fdtab[fd].file, offset, whence);
if (!error)
newpos = ftell(_fdtab[fd].file);
return newpos;
}
#if 0
{
#endif
} /* extern "C" */