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the tail offset must be an integer pointer to hold a 32-bit offset

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This commit is contained in:
Pieter Noordhuis 2010-05-30 03:06:12 +02:00
parent d2ee16abec
commit dbaa41c618
1 changed files with 22 additions and 1 deletions
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23
ziplist.c
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@ -45,7 +45,7 @@
/* Utility macros */
#define ZIPLIST_BYTES(zl) (*((unsigned int*)(zl)))
#define ZIPLIST_TAIL_OFFSET(zl) (*((zl)+sizeof(unsigned int)))
#define ZIPLIST_TAIL_OFFSET(zl) (*((unsigned int*)((zl)+sizeof(unsigned int))))
#define ZIPLIST_LENGTH(zl) (*((zl)+2*sizeof(unsigned int)))
#define ZIPLIST_HEADER_SIZE (2*sizeof(unsigned int)+1)
#define ZIPLIST_ENTRY_HEAD(zl) ((zl)+ZIPLIST_HEADER_SIZE)
@ -853,6 +853,27 @@ int main(int argc, char **argv) {
ziplistRepr(zl);
}
printf("Create long list and check indices:\n");
{
zl = ziplistNew();
char buf[32];
int i,len;
for (i = 0; i < 1000; i++) {
len = sprintf(buf,"%d",i);
zl = ziplistPush(zl,buf,len,ZIPLIST_TAIL);
}
for (i = 0; i < 1000; i++) {
p = ziplistIndex(zl,i);
assert(ziplistGet(p,NULL,NULL,&value));
assert(i == value);
p = ziplistIndex(zl,-i-1);
assert(ziplistGet(p,NULL,NULL,&value));
assert(999-i == value);
}
printf("SUCCESS\n\n");
}
printf("Compare strings with ziplist entries:\n");
{
zl = createList();