rockbox/uisimulator/x11/io.c
Daniel Stenberg a865102010 fix to not use the redefined calls within the redefined calls themselves,
as Mike Holden reported


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@3275 a1c6a512-1295-4272-9138-f99709370657
2003-02-15 17:41:10 +00:00

177 lines
4 KiB
C

/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2002 Daniel Stenberg
*
* All files in this archive are subject to the GNU General Public License.
* See the file COPYING in the source tree root for full license agreement.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/stat.h>
#include <sys/vfs.h>
#include <dirent.h>
#include <unistd.h>
#include <fcntl.h>
#include "debug.h"
#define DIRFUNCTIONS_DEFINED /* prevent those prototypes */
#define dirent x11_dirent
#include "../../firmware/include/dir.h"
#undef dirent
#define SIMULATOR_ARCHOS_ROOT "archos"
struct mydir {
DIR *dir;
char *name;
};
typedef struct mydir MYDIR;
MYDIR *x11_opendir(char *name)
{
char buffer[256]; /* sufficiently big */
DIR *dir;
if(name[0] == '/') {
sprintf(buffer, "%s%s", SIMULATOR_ARCHOS_ROOT, name);
dir=(DIR *)opendir(buffer);
}
else
dir=(DIR *)opendir(name);
if(dir) {
MYDIR *my = (MYDIR *)malloc(sizeof(MYDIR));
my->dir = dir;
my->name = (char *)strdup(name);
return my;
}
/* failed open, return NULL */
return (MYDIR *)0;
}
struct x11_dirent *x11_readdir(MYDIR *dir)
{
char buffer[512]; /* sufficiently big */
static struct x11_dirent secret;
struct stat s;
struct dirent *x11 = (readdir)(dir->dir);
if(!x11)
return (struct x11_dirent *)0;
strcpy(secret.d_name, x11->d_name);
/* build file name */
sprintf(buffer, SIMULATOR_ARCHOS_ROOT "%s/%s",
dir->name, x11->d_name);
stat(buffer, &s); /* get info */
secret.attribute = S_ISDIR(s.st_mode)?ATTR_DIRECTORY:0;
secret.size = s.st_size;
return &secret;
}
void x11_closedir(MYDIR *dir)
{
free(dir->name);
(closedir)(dir->dir);
free(dir);
}
int x11_open(char *name, int opts)
{
char buffer[256]; /* sufficiently big */
if(name[0] == '/') {
sprintf(buffer, "%s%s", SIMULATOR_ARCHOS_ROOT, name);
debugf("We open the real file '%s'\n", buffer);
return (open)(buffer, opts);
}
return (open)(name, opts);
}
int x11_close(int fd)
{
return (close)(fd);
}
int x11_creat(char *name, int mode)
{
char buffer[256]; /* sufficiently big */
if(name[0] == '/') {
sprintf(buffer, "%s%s", SIMULATOR_ARCHOS_ROOT, name);
debugf("We create the real file '%s'\n", buffer);
return (creat)(buffer, mode);
}
return (creat)(name, mode);
}
int x11_remove(char *name)
{
char buffer[256]; /* sufficiently big */
if(name[0] == '/') {
sprintf(buffer, "%s%s", SIMULATOR_ARCHOS_ROOT, name);
debugf("We remove the real file '%s'\n", buffer);
return (remove)(buffer);
}
return (remove)(name);
}
int x11_rename(char *oldpath, char* newpath)
{
char buffer1[256];
char buffer2[256];
if(oldpath[0] == '/') {
sprintf(buffer1, "%s%s", SIMULATOR_ARCHOS_ROOT, oldpath);
sprintf(buffer2, "%s%s", SIMULATOR_ARCHOS_ROOT, newpath);
debugf("We rename the real file '%s' to '%s'\n", buffer1, buffer2);
return (rename)(buffer1, buffer2);
}
return -1;
}
void fat_size(unsigned int* size, unsigned int* free)
{
struct statfs fs;
if (!statfs(".", &fs)) {
DEBUGF("statfs: bsize=%d blocks=%d free=%d\n",
fs.f_bsize, fs.f_blocks, fs.f_bfree);
if (size)
*size = fs.f_blocks * (fs.f_bsize / 1024);
if (free)
*free = fs.f_bfree * (fs.f_bsize / 1024);
}
else {
if (size)
*size = 0;
if (free)
*free = 0;
}
}