/*
* Copyright (c) 2008
* Jonathan Schleifer <js@webkeks.org>
*
* All rights reserved.
*
* This file is part of libobjfw. It may be distributed under the terms of the
* Q Public License 1.0, which can be found in the file LICENSE included in
* the packaging of this file.
*/
#import "config.h"
#import <stdio.h>
#import <unistd.h>
#import <sys/types.h>
#import <sys/stat.h>
#import "OFFile.h"
#import "OFExceptions.h"
@implementation OFFile
+ newWithPath: (const char*)path
andMode: (const char*)mode
{
return [[OFFile alloc] initWithPath: path
andMode: mode];
}
+ (BOOL)changeModeOfFile: (const char*)path
toMode: (mode_t)mode
{
// FIXME: On error, throw exception
return (chmod(path, mode) == 0 ? YES : NO);
}
+ (BOOL)changeOwnerOfFile: (const char*)path
toOwner: (uid_t)owner
andGroup: (gid_t)group
{
// FIXME: On error, throw exception
return (chown(path, owner, group) == 0 ? YES : NO);
}
+ (BOOL)delete: (const char*)path
{
// FIXME: On error, throw exception
return (unlink(path) == 0 ? YES : NO);
}
+ (BOOL)link: (const char*)src
to: (const char*)dest
{
// FIXME: On error, throw exception
return (link(src, dest) == 0 ? YES : NO);
}
+ (BOOL)symlink: (const char*)src
to: (const char*)dest
{
// FIXME: On error, throw exception
return (symlink(src, dest) == 0 ? YES : NO);
}
- initWithPath: (const char*)path
andMode: (const char*)mode
{
if ((self = [super init])) {
if ((fp = fopen(path, mode)) == NULL)
[[OFOpenFileFailedException newWithObject: self
andPath: path
andMode: mode] raise];
}
return self;
}
- free
{
fclose(fp);
return [super free];
}
- (BOOL)atEndOfFile
{
return (feof(fp) == 0 ? NO : YES);
}
- (size_t)readNItems: (size_t)nitems
ofSize: (size_t)size
intoBuffer: (uint8_t*)buf
{
size_t ret;
if ((ret = fread(buf, size, nitems, fp)) == 0 && !feof(fp))
[[OFReadFailedException newWithObject: self
andSize: size
andNItems: nitems] raise];
return ret;
}
- (size_t)readNBytes: (size_t)size
intoBuffer: (uint8_t*)buf
{
return [self readNItems: size
ofSize: 1
intoBuffer: buf];
}
- (uint8_t*)readNItems: (size_t)nitems
ofSize: (size_t)size
{
uint8_t *ret;
ret = [self getMemForNItems: nitems
ofSize: size];
@try {
[self readNItems: nitems
ofSize: size
intoBuffer: ret];
} @catch (OFReadFailedException *e) {
[self freeMem: ret];
@throw e;
return NULL;
}
return ret;
}
- (uint8_t*)readNBytes: (size_t)size
{
return [self readNItems: size
ofSize: 1];
}
- (size_t)writeNItems: (size_t)nitems
ofSize: (size_t)size
fromBuffer: (uint8_t*)buf
{
size_t ret;
if ((ret = fwrite(buf, size, nitems, fp)) == 0 &&
size != 0 && nitems != 0)
[[OFWriteFailedException newWithObject: self
andSize: size
andNItems: nitems] raise];
return ret;
}
- (size_t)writeNBytes: (size_t)size
fromBuffer: (uint8_t*)buf
{
return [self writeNItems: size
ofSize: 1
fromBuffer: buf];
}
@end