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use REDIS_TAIL to insert AFTER an entry and REDIS_HEAD to insert BEFORE an entry

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This commit is contained in:
Pieter Noordhuis 2010-06-11 11:53:16 +02:00
parent 0e1684bcd0
commit 279d7e67cf
1 changed files with 7 additions and 7 deletions
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14
redis.c
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@ -5091,7 +5091,7 @@ static robj *listTypeGet(listTypeEntry *entry) {
static void listTypeInsert(robj *subject, listTypeEntry *old_entry, robj *new_obj, int where) {
listTypeTryConversion(subject,new_obj);
if (subject->encoding == REDIS_ENCODING_ZIPLIST) {
if (where == REDIS_HEAD) {
if (where == REDIS_TAIL) {
unsigned char *next = ziplistNext(subject->ptr,old_entry->zi);
if (next == NULL) {
listTypePush(subject,new_obj,REDIS_TAIL);
@ -5102,10 +5102,10 @@ static void listTypeInsert(robj *subject, listTypeEntry *old_entry, robj *new_ob
subject->ptr = ziplistInsert(subject->ptr,old_entry->zi,new_obj->ptr,sdslen(new_obj->ptr));
}
} else if (subject->encoding == REDIS_ENCODING_LIST) {
if (where == REDIS_HEAD) {
listInsertNode(subject->ptr,old_entry->ln,new_obj,1);
if (where == REDIS_TAIL) {
listInsertNode(subject->ptr,old_entry->ln,new_obj,AL_START_TAIL);
} else {
listInsertNode(subject->ptr,old_entry->ln,new_obj,0);
listInsertNode(subject->ptr,old_entry->ln,new_obj,AL_START_HEAD);
}
incrRefCount(new_obj);
} else {
@ -5218,7 +5218,7 @@ static void pushxGenericCommand(redisClient *c, int where, robj *old_obj, robj *
}
if (old_obj != NULL) {
if (where == REDIS_HEAD) {
if (where == REDIS_TAIL) {
iter = listTypeInitIterator(subject,0,REDIS_TAIL);
} else {
iter = listTypeInitIterator(subject,-1,REDIS_HEAD);
@ -5248,9 +5248,9 @@ static void rpushxCommand(redisClient *c) {
static void linsertCommand(redisClient *c) {
if (strcasecmp(c->argv[2]->ptr,"after") == 0) {
pushxGenericCommand(c,REDIS_HEAD,c->argv[3],c->argv[4]);
} else if (strcasecmp(c->argv[2]->ptr,"before") == 0) {
pushxGenericCommand(c,REDIS_TAIL,c->argv[3],c->argv[4]);
} else if (strcasecmp(c->argv[2]->ptr,"before") == 0) {
pushxGenericCommand(c,REDIS_HEAD,c->argv[3],c->argv[4]);
} else {
addReply(c,shared.syntaxerr);
}