Differences From Artifact [1c7d02816a]:
- File src/OFDataArray+Hashing.m — part of check-in [c1060114f6] at 2012-07-03 20:16:12 on branch trunk — OFHash: Take void* and unify convenience methods. (user: js, size: 2082) [annotate] [blame] [check-ins using]
To Artifact [763b1e6eda]:
- File
src/OFDataArray+Hashing.m
— part of check-in
[1255f3a11a]
at
2012-08-10 20:08:24
on branch trunk
— Directly use the runtime's autorelease pools.
This greatly improves performance, as it gets rid of the overhead of
OFAutoreleasePool. (user: js, size: 2069) [annotate] [blame] [check-ins using]
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16 17 18 19 20 21 22 | #include "config.h" #import "OFDataArray.h" #import "OFString.h" #import "OFMD5Hash.h" #import "OFSHA1Hash.h" | > | | | | | | 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 |
#include "config.h"
#import "OFDataArray.h"
#import "OFString.h"
#import "OFMD5Hash.h"
#import "OFSHA1Hash.h"
#import "autorelease.h"
int _OFDataArray_Hashing_reference;
@implementation OFDataArray (Hashing)
- (OFString*)MD5Hash
{
void *pool = objc_autoreleasePoolPush();
OFMD5Hash *hash = [OFMD5Hash hash];
uint8_t *digest;
char cString[OF_MD5_DIGEST_SIZE * 2];
size_t i;
[hash updateWithBuffer: data
length: count * itemSize];
digest = [hash digest];
for (i = 0; i < OF_MD5_DIGEST_SIZE; i++) {
uint8_t high, low;
high = digest[i] >> 4;
low = digest[i] & 0x0F;
cString[i * 2] = (high > 9 ? high - 10 + 'a' : high + '0');
cString[i * 2 + 1] = (low > 9 ? low - 10 + 'a' : low + '0');
}
objc_autoreleasePoolPop(pool);
return [OFString stringWithCString: cString
encoding: OF_STRING_ENCODING_ASCII
length: 32];
}
- (OFString*)SHA1Hash
{
void *pool = objc_autoreleasePoolPush();
OFMD5Hash *hash = [OFSHA1Hash hash];
uint8_t *digest;
char cString[OF_SHA1_DIGEST_SIZE * 2];
size_t i;
[hash updateWithBuffer: data
length: count * itemSize];
digest = [hash digest];
for (i = 0; i < OF_SHA1_DIGEST_SIZE; i++) {
uint8_t high, low;
high = digest[i] >> 4;
low = digest[i] & 0x0F;
cString[i * 2] = (high > 9 ? high - 10 + 'a' : high + '0');
cString[i * 2 + 1] = (low > 9 ? low - 10 + 'a' : low + '0');
}
objc_autoreleasePoolPop(pool);
return [OFString stringWithCString: cString
encoding: OF_STRING_ENCODING_ASCII
length: 40];
}
@end
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