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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2014 Franklin Wei, Benjamin Brown
* Copyright (C) 2004 Gregory Montoir
*
* 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 software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
***************************************************************************/
#include "plugin.h"
#include "file.h"
void file_create(struct File* f, bool gzipped) {
f->gzipped = gzipped;
f->fd = -1;
f->ioErr = false;
}
bool file_open(struct File* f, const char *filename, const char *directory, const char *mode) {
char buf[512];
rb->snprintf(buf, 512, "%s/%s", directory, filename);
char *p = buf + rb->strlen(directory) + 1;
string_lower(p);
int flags = 0;
for(int i = 0; mode[i]; ++i)
{
switch(mode[i])
{
case 'w':
flags |= O_WRONLY | O_CREAT | O_TRUNC;
break;
case 'r':
flags |= O_RDONLY;
break;
default:
break;
}
}
f->fd = -1;
debug(DBG_FILE, "trying %s first", buf);
f->fd = rb->open(buf, flags, 0666);
if (f->fd < 0) { // let's try uppercase
string_upper(p);
debug(DBG_FILE, "now trying %s uppercase", buf);
f->fd = rb->open(buf, flags, 0666);
}
if(f->fd > 0)
return true;
else
return false;
}
void file_close(struct File* f) {
if(f->gzipped)
{
}
else
{
rb->close(f->fd);
}
}
bool file_ioErr(struct File* f) {
return f->ioErr;
}
void file_seek(struct File* f, int32_t off) {
if(f->gzipped)
{
}
else
{
rb->lseek(f->fd, off, SEEK_SET);
}
}
int file_read(struct File* f, void *ptr, uint32_t size) {
if(f->gzipped)
{
return -1;
}
else
{
unsigned int rc = rb->read(f->fd, ptr, size);
if(rc != size)
f->ioErr = true;
return rc;
}
}
uint8_t file_readByte(struct File* f) {
uint8_t b;
if(f->gzipped)
{
b = 0xff;
}
else
{
if(rb->read(f->fd, &b, 1) != 1)
{
f->ioErr = true;
debug(DBG_FILE, "file read failed");
}
}
return b;
}
uint16_t file_readUint16BE(struct File* f) {
uint8_t hi = file_readByte(f);
uint8_t lo = file_readByte(f);
return (hi << 8) | lo;
}
uint32_t file_readUint32BE(struct File* f) {
uint16_t hi = file_readUint16BE(f);
uint16_t lo = file_readUint16BE(f);
return (hi << 16) | lo;
}
int file_write(struct File* f, void *ptr, uint32_t size) {
if(f->gzipped)
{
return 0;
}
else
{
return rb->write(f->fd, ptr, size);
}
}
void file_writeByte(struct File* f, uint8_t b) {
file_write(f, &b, 1);
}
void file_writeUint16BE(struct File* f, uint16_t n) {
file_writeByte(f, n >> 8);
file_writeByte(f, n & 0xFF);
}
void file_writeUint32BE(struct File* f, uint32_t n) {
file_writeUint16BE(f, n >> 16);
file_writeUint16BE(f, n & 0xFFFF);
}
void file_remove(const char* filename, const char* directory)
{
char buf[512];
rb->snprintf(buf, 512, "%s/%s", directory, filename);
char *p = buf + rb->strlen(directory) + 1;
string_lower(p);
if(rb->file_exists(buf))
{
rb->remove(buf);
}
else
{
string_upper(p);
rb->remove(buf);
}
}
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