mirror of
https://github.com/samsonjs/arq_restore.git
synced 2026-03-25 09:25:53 +00:00
59 lines
2.4 KiB
Objective-C
59 lines
2.4 KiB
Objective-C
/*
|
|
Copyright (c) 2009-2017, Haystack Software LLC https://www.arqbackup.com
|
|
|
|
All rights reserved.
|
|
|
|
Redistribution and use in source and binary forms, with or without
|
|
modification, are permitted provided that the following conditions are met:
|
|
|
|
* Redistributions of source code must retain the above copyright
|
|
notice, this list of conditions and the following disclaimer.
|
|
|
|
* Redistributions in binary form must reproduce the above copyright
|
|
notice, this list of conditions and the following disclaimer in the
|
|
documentation and/or other materials provided with the distribution.
|
|
|
|
* Neither the names of PhotoMinds LLC or Haystack Software, nor the names of
|
|
their contributors may be used to endorse or promote products derived from
|
|
this software without specific prior written permission.
|
|
|
|
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
|
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
|
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
|
|
TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
|
|
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
|
|
LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
|
|
NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
|
|
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
|
|
|
|
#import "DataIO.h"
|
|
#import "IntegerIO.h"
|
|
#import "BufferedInputStream.h"
|
|
#import "BufferedOutputStream.h"
|
|
|
|
@implementation DataIO
|
|
+ (void)write:(NSData *)data to:(NSMutableData *)outData {
|
|
[IntegerIO writeUInt64:(uint64_t)[data length] to:outData];
|
|
[outData appendBytes:[data bytes] length:[data length]];
|
|
}
|
|
+ (BOOL)write:(NSData *)data to:(BufferedOutputStream *)os error:(NSError **)error {
|
|
return ([IntegerIO writeUInt64:[data length] to:os error:error] && [os writeFully:[data bytes] length:[data length] error:error]);
|
|
}
|
|
|
|
+ (BOOL)read:(NSData **)value from:(BufferedInputStream *)is error:(NSError **)error {
|
|
*value = nil;
|
|
uint64_t length = 0;
|
|
if (![IntegerIO readUInt64:&length from:is error:error]) {
|
|
return NO;
|
|
}
|
|
*value = [is readExactly:(NSUInteger)length error:error];
|
|
return *value != nil;
|
|
}
|
|
|
|
@end
|