-#include <limits.h>
#include "redis.h"
/*-----------------------------------------------------------------------------
} else {
incrRefCount(val);
}
- touchWatchedKey(c->db,key);
+ signalModifiedKey(c->db,key);
server.dirty++;
removeExpire(c->db,key);
if (expire) setExpire(c->db,key,time(NULL)+seconds);
c->argv[2] = tryObjectEncoding(c->argv[2]);
dbReplace(c->db,c->argv[1],c->argv[2]);
incrRefCount(c->argv[2]);
- touchWatchedKey(c->db,c->argv[1]);
+ signalModifiedKey(c->db,c->argv[1]);
server.dirty++;
removeExpire(c->db,c->argv[1]);
}
byteval &= ~(1 << bit);
byteval |= ((on & 0x1) << bit);
((char*)o->ptr)[byte] = byteval;
- touchWatchedKey(c->db,c->argv[1]);
+ signalModifiedKey(c->db,c->argv[1]);
server.dirty++;
addReply(c, bitval ? shared.cone : shared.czero);
}
if (sdslen(value) > 0) {
o->ptr = sdsgrowzero(o->ptr,offset+sdslen(value));
memcpy((char*)o->ptr+offset,value,sdslen(value));
- touchWatchedKey(c->db,c->argv[1]);
+ signalModifiedKey(c->db,c->argv[1]);
server.dirty++;
}
addReplyLongLong(c,sdslen(o->ptr));
return;
if (getLongFromObjectOrReply(c,c->argv[3],&end,NULL) != REDIS_OK)
return;
- if ((o = lookupKeyReadOrReply(c,c->argv[1],shared.nullbulk)) == NULL ||
+ if ((o = lookupKeyReadOrReply(c,c->argv[1],shared.emptybulk)) == NULL ||
checkType(c,o,REDIS_STRING)) return;
if (o->encoding == REDIS_ENCODING_INT) {
/* Precondition: end >= 0 && end < strlen, so the only condition where
* nothing can be returned is: start > end. */
if (start > end) {
- addReply(c,shared.nullbulk);
+ addReply(c,shared.emptybulk);
} else {
addReplyBulkCBuffer(c,(char*)str+start,end-start+1);
}
dbReplace(c->db,c->argv[j],c->argv[j+1]);
incrRefCount(c->argv[j+1]);
removeExpire(c->db,c->argv[j]);
- touchWatchedKey(c->db,c->argv[j]);
+ signalModifiedKey(c->db,c->argv[j]);
}
server.dirty += (c->argc-1)/2;
addReply(c, nx ? shared.cone : shared.ok);
}
void incrDecrCommand(redisClient *c, long long incr) {
- long long value;
+ long long value, oldvalue;
robj *o;
o = lookupKeyWrite(c->db,c->argv[1]);
if (o != NULL && checkType(c,o,REDIS_STRING)) return;
if (getLongLongFromObjectOrReply(c,o,&value,NULL) != REDIS_OK) return;
+ oldvalue = value;
value += incr;
+ if ((incr < 0 && value > oldvalue) || (incr > 0 && value < oldvalue)) {
+ addReplyError(c,"increment or decrement would overflow");
+ return;
+ }
o = createStringObjectFromLongLong(value);
dbReplace(c->db,c->argv[1],o);
- touchWatchedKey(c->db,c->argv[1]);
+ signalModifiedKey(c->db,c->argv[1]);
server.dirty++;
addReply(c,shared.colon);
addReply(c,o);
o->ptr = sdscatlen(o->ptr,append->ptr,sdslen(append->ptr));
totlen = sdslen(o->ptr);
}
- touchWatchedKey(c->db,c->argv[1]);
+ signalModifiedKey(c->db,c->argv[1]);
server.dirty++;
addReplyLongLong(c,totlen);
}