Files
iOS-boilerplate/IOSBoilerplate/DataHelper.m
2011-09-15 13:01:42 +02:00

51 lines
1.6 KiB
Objective-C

//
// DataHelper.m
// IOSBoilerplate
//
// Copyright (c) 2011 Alberto Gimeno Brieba
//
// Permission is hereby granted, free of charge, to any person
// obtaining a copy of this software and associated documentation
// files (the "Software"), to deal in the Software without
// restriction, including without limitation the rights to use,
// copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following
// conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
// OTHER DEALINGS IN THE SOFTWARE.
//
#import "DataHelper.h"
@implementation NSData (helper)
- (NSString*)hexString {
NSMutableString *str = [NSMutableString stringWithCapacity:64];
int length = [self length];
char *bytes = malloc(sizeof(char) * length);
[self getBytes:bytes length:length];
int i = 0;
for (; i < length; i++) {
[str appendFormat:@"%02.2hhx", bytes[i]];
}
free(bytes);
return str;
}
@end