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ziplist are now endianess agnostic

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This commit is contained in:
antirez 2011-03-09 18:49:59 +01:00
parent 9f517b920e
commit de77addb36
1 changed files with 10 additions and 0 deletions
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10
src/ziplist.c
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@ -69,6 +69,7 @@
#include "zmalloc.h"
#include "util.h"
#include "ziplist.h"
#include "endian.h"
#define ZIP_END 255
#define ZIP_BIGLEN 254
@ -206,6 +207,7 @@ static unsigned int zipPrevDecodeLength(unsigned char *p, unsigned int *lensize)
} else {
if (lensize) *lensize = 1+sizeof(len);
memcpy(&len,p+1,sizeof(len));
memrev32ifbe(&len);
}
return len;
}
@ -222,6 +224,7 @@ static unsigned int zipPrevEncodeLength(unsigned char *p, unsigned int len) {
} else {
p[0] = ZIP_BIGLEN;
memcpy(p+1,&len,sizeof(len));
memrev32ifbe(p+1);
return 1+sizeof(len);
}
}
@ -233,6 +236,7 @@ static void zipPrevEncodeLengthForceLarge(unsigned char *p, unsigned int len) {
if (p == NULL) return;
p[0] = ZIP_BIGLEN;
memcpy(p+1,&len,sizeof(len));
memrev32ifbe(p+1);
}
/* Return the difference in number of bytes needed to store the new length
@ -273,12 +277,15 @@ static void zipSaveInteger(unsigned char *p, int64_t value, unsigned char encodi
if (encoding == ZIP_INT_16B) {
i16 = value;
memcpy(p,&i16,sizeof(i16));
memrev16ifbe(p);
} else if (encoding == ZIP_INT_32B) {
i32 = value;
memcpy(p,&i32,sizeof(i32));
memrev32ifbe(p);
} else if (encoding == ZIP_INT_64B) {
i64 = value;
memcpy(p,&i64,sizeof(i64));
memrev64ifbe(p);
} else {
assert(NULL);
}
@ -291,12 +298,15 @@ static int64_t zipLoadInteger(unsigned char *p, unsigned char encoding) {
int64_t i64, ret = 0;
if (encoding == ZIP_INT_16B) {
memcpy(&i16,p,sizeof(i16));
memrev16ifbe(&i16);
ret = i16;
} else if (encoding == ZIP_INT_32B) {
memcpy(&i32,p,sizeof(i32));
memrev16ifbe(&i32);
ret = i32;
} else if (encoding == ZIP_INT_64B) {
memcpy(&i64,p,sizeof(i64));
memrev16ifbe(&i64);
ret = i64;
} else {
assert(NULL);