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/*
* rawfile.c - Raw file handling.
*
* Written by
* Andreas Boose <viceteam@t-online.de>
*
* This file is part of VICE, the Versatile Commodore Emulator.
* See README for copyright notice.
*
* 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., 59 Temple Place, Suite 330, Boston, MA
* 02111-1307 USA.
*
*/
#include "vice.h"
#include <stdio.h>
#include "archdep.h"
#include "fileio.h"
#include "ioutil.h"
#include "lib.h"
#include "rawfile.h"
#include "util.h"
struct rawfile_info_s {
FILE *fd;
char *name;
char *path;
unsigned int readonly;
};
typedef struct rawfile_info_s rawfile_info_t;
rawfile_info_t *rawfile_open(const char *file_name, const char *path,
unsigned int command)
{
rawfile_info_t *info;
char *complete;
FILE *fd;
const char *mode = NULL;
if (path == NULL)
complete = lib_stralloc(file_name);
else
complete = util_concat(path, FSDEV_DIR_SEP_STR, file_name, NULL);
switch (command) {
case FILEIO_COMMAND_READ:
mode = MODE_READ;
break;
case FILEIO_COMMAND_WRITE:
mode = MODE_WRITE;
break;
case FILEIO_COMMAND_APPEND:
mode = MODE_APPEND;
break;
case FILEIO_COMMAND_APPEND_READ:
mode = MODE_APPEND_READ_WRITE;
break;
default:
return NULL;
}
fd = fopen(complete, mode);
if (fd == NULL) {
lib_free(complete);
return NULL;
}
info = (rawfile_info_t *)lib_malloc(sizeof(rawfile_info_t));
info->fd = fd;
util_fname_split(complete, &(info->path), &(info->name));
info->readonly = 0;
lib_free(complete);
return info;
}
void rawfile_destroy(rawfile_info_t *info)
{
if (info != NULL) {
fclose(info->fd);
lib_free(info->name);
lib_free(info->path);
lib_free(info);
}
}
unsigned int rawfile_read(rawfile_info_t *info, BYTE *buf, unsigned int len)
{
return (unsigned int)fread(buf, 1, len, info->fd);
}
unsigned int rawfile_write(rawfile_info_t *info, BYTE *buf, unsigned int len)
{
return (unsigned int)fwrite(buf, 1, len, info->fd);
}
int rawfile_seek_set(rawfile_info_t *info, int offset)
{
return fseek(info->fd, offset, SEEK_SET);
}
unsigned int rawfile_ferror(rawfile_info_t *info)
{
return (unsigned int)ferror(info->fd);
}
unsigned int rawfile_rename(const char *src_name, const char *dst_name,
const char *path)
{
char *complete_src, *complete_dst;
int rc;
if (path == NULL) {
complete_src = lib_stralloc(src_name);
complete_dst = lib_stralloc(dst_name);
} else {
complete_src = util_concat(path, FSDEV_DIR_SEP_STR, src_name, NULL);
complete_dst = util_concat(path, FSDEV_DIR_SEP_STR, dst_name, NULL);
}
/*ioutil_remove(dst_name);*/
rc = ioutil_rename(complete_src, complete_dst);
lib_free(complete_src);
lib_free(complete_dst);
if (rc < 0) {
if (ioutil_errno(IOUTIL_ERRNO_EPERM))
return FILEIO_FILE_PERMISSION;
return FILEIO_FILE_NOT_FOUND;
}
return FILEIO_FILE_OK;
}
unsigned int rawfile_remove(const char *src_name, const char *path)
{
char *complete_src;
int rc;
if (path == NULL)
complete_src = lib_stralloc(src_name);
else
complete_src = util_concat(path, FSDEV_DIR_SEP_STR, src_name, NULL);
rc = ioutil_remove(complete_src);
lib_free(complete_src);
if (rc < 0)
return FILEIO_FILE_NOT_FOUND;
return FILEIO_FILE_SCRATCHED;
}
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