mirror of https://github.com/redis/redis.git
				
				
				
			Merge remote branch 'pietern/strrange'
This commit is contained in:
		
						commit
						57997664ea
					
				| 
						 | 
				
			
			@ -74,10 +74,14 @@ struct redisCommand readonlyCommandTable[] = {
 | 
			
		|||
    {"setnx",setnxCommand,3,REDIS_CMD_DENYOOM,NULL,0,0,0},
 | 
			
		||||
    {"setex",setexCommand,4,REDIS_CMD_DENYOOM,NULL,0,0,0},
 | 
			
		||||
    {"append",appendCommand,3,REDIS_CMD_DENYOOM,NULL,1,1,1},
 | 
			
		||||
    {"substr",substrCommand,4,0,NULL,1,1,1},
 | 
			
		||||
    {"strlen",strlenCommand,2,0,NULL,1,1,1},
 | 
			
		||||
    {"del",delCommand,-2,0,NULL,0,0,0},
 | 
			
		||||
    {"exists",existsCommand,2,0,NULL,1,1,1},
 | 
			
		||||
    {"setbit",setbitCommand,4,REDIS_CMD_DENYOOM,NULL,1,1,1},
 | 
			
		||||
    {"getbit",getbitCommand,3,0,NULL,1,1,1},
 | 
			
		||||
    {"setrange",setrangeCommand,4,REDIS_CMD_DENYOOM,NULL,1,1,1},
 | 
			
		||||
    {"getrange",getrangeCommand,4,0,NULL,1,1,1},
 | 
			
		||||
    {"substr",getrangeCommand,4,0,NULL,1,1,1},
 | 
			
		||||
    {"incr",incrCommand,2,REDIS_CMD_DENYOOM,NULL,1,1,1},
 | 
			
		||||
    {"decr",decrCommand,2,REDIS_CMD_DENYOOM,NULL,1,1,1},
 | 
			
		||||
    {"mget",mgetCommand,-2,0,NULL,1,-1,1},
 | 
			
		||||
| 
						 | 
				
			
			
 | 
			
		|||
| 
						 | 
				
			
			@ -890,6 +890,10 @@ void setexCommand(redisClient *c);
 | 
			
		|||
void getCommand(redisClient *c);
 | 
			
		||||
void delCommand(redisClient *c);
 | 
			
		||||
void existsCommand(redisClient *c);
 | 
			
		||||
void setbitCommand(redisClient *c);
 | 
			
		||||
void getbitCommand(redisClient *c);
 | 
			
		||||
void setrangeCommand(redisClient *c);
 | 
			
		||||
void getrangeCommand(redisClient *c);
 | 
			
		||||
void incrCommand(redisClient *c);
 | 
			
		||||
void decrCommand(redisClient *c);
 | 
			
		||||
void incrbyCommand(redisClient *c);
 | 
			
		||||
| 
						 | 
				
			
			@ -967,7 +971,6 @@ void discardCommand(redisClient *c);
 | 
			
		|||
void blpopCommand(redisClient *c);
 | 
			
		||||
void brpopCommand(redisClient *c);
 | 
			
		||||
void appendCommand(redisClient *c);
 | 
			
		||||
void substrCommand(redisClient *c);
 | 
			
		||||
void strlenCommand(redisClient *c);
 | 
			
		||||
void zrankCommand(redisClient *c);
 | 
			
		||||
void zrevrankCommand(redisClient *c);
 | 
			
		||||
| 
						 | 
				
			
			
 | 
			
		|||
							
								
								
									
										19
									
								
								src/sds.c
								
								
								
								
							
							
						
						
									
										19
									
								
								src/sds.c
								
								
								
								
							| 
						 | 
				
			
			@ -116,6 +116,25 @@ static sds sdsMakeRoomFor(sds s, size_t addlen) {
 | 
			
		|||
    return newsh->buf;
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
/* Grow the sds to have the specified length. Bytes that were not part of
 | 
			
		||||
 * the original length of the sds will be set to zero. */
 | 
			
		||||
sds sdsgrowzero(sds s, size_t len) {
 | 
			
		||||
    struct sdshdr *sh = (void*)(s-(sizeof(struct sdshdr)));
 | 
			
		||||
    size_t totlen, curlen = sh->len;
 | 
			
		||||
 | 
			
		||||
    if (len <= curlen) return s;
 | 
			
		||||
    s = sdsMakeRoomFor(s,len-curlen);
 | 
			
		||||
    if (s == NULL) return NULL;
 | 
			
		||||
 | 
			
		||||
    /* Make sure added region doesn't contain garbage */
 | 
			
		||||
    sh = (void*)(s-(sizeof(struct sdshdr)));
 | 
			
		||||
    memset(s+curlen,0,(len-curlen+1)); /* also set trailing \0 byte */
 | 
			
		||||
    totlen = sh->len+sh->free;
 | 
			
		||||
    sh->len = len;
 | 
			
		||||
    sh->free = totlen-sh->len;
 | 
			
		||||
    return s;
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
sds sdscatlen(sds s, void *t, size_t len) {
 | 
			
		||||
    struct sdshdr *sh;
 | 
			
		||||
    size_t curlen = sdslen(s);
 | 
			
		||||
| 
						 | 
				
			
			
 | 
			
		|||
| 
						 | 
				
			
			@ -49,6 +49,7 @@ size_t sdslen(const sds s);
 | 
			
		|||
sds sdsdup(const sds s);
 | 
			
		||||
void sdsfree(sds s);
 | 
			
		||||
size_t sdsavail(sds s);
 | 
			
		||||
sds sdsgrowzero(sds s, size_t len);
 | 
			
		||||
sds sdscatlen(sds s, void *t, size_t len);
 | 
			
		||||
sds sdscat(sds s, char *t);
 | 
			
		||||
sds sdscpylen(sds s, char *t, size_t len);
 | 
			
		||||
| 
						 | 
				
			
			
 | 
			
		|||
							
								
								
									
										292
									
								
								src/t_string.c
								
								
								
								
							
							
						
						
									
										292
									
								
								src/t_string.c
								
								
								
								
							| 
						 | 
				
			
			@ -1,9 +1,18 @@
 | 
			
		|||
#include <limits.h>
 | 
			
		||||
#include "redis.h"
 | 
			
		||||
 | 
			
		||||
/*-----------------------------------------------------------------------------
 | 
			
		||||
 * String Commands
 | 
			
		||||
 *----------------------------------------------------------------------------*/
 | 
			
		||||
 | 
			
		||||
static int checkStringLength(redisClient *c, long long size) {
 | 
			
		||||
    if (size > 512*1024*1024) {
 | 
			
		||||
        addReplyError(c,"string exceeds maximum allowed size (512MB)");
 | 
			
		||||
        return REDIS_ERR;
 | 
			
		||||
    }
 | 
			
		||||
    return REDIS_OK;
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
void setGenericCommand(redisClient *c, int nx, robj *key, robj *val, robj *expire) {
 | 
			
		||||
    int retval;
 | 
			
		||||
    long seconds = 0; /* initialized to avoid an harmness warning */
 | 
			
		||||
| 
						 | 
				
			
			@ -80,6 +89,211 @@ void getsetCommand(redisClient *c) {
 | 
			
		|||
    removeExpire(c->db,c->argv[1]);
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
static int getBitOffsetFromArgument(redisClient *c, robj *o, size_t *offset) {
 | 
			
		||||
    long long loffset;
 | 
			
		||||
    char *err = "bit offset is not an integer or out of range";
 | 
			
		||||
 | 
			
		||||
    if (getLongLongFromObjectOrReply(c,o,&loffset,err) != REDIS_OK)
 | 
			
		||||
        return REDIS_ERR;
 | 
			
		||||
 | 
			
		||||
    /* Limit offset to SIZE_T_MAX or 512MB in bytes */
 | 
			
		||||
    if ((loffset < 0) ||
 | 
			
		||||
        ((unsigned long long)loffset >= (unsigned)SIZE_T_MAX) ||
 | 
			
		||||
        ((unsigned long long)loffset >> 3) >= (512*1024*1024))
 | 
			
		||||
    {
 | 
			
		||||
        addReplyError(c,err);
 | 
			
		||||
        return REDIS_ERR;
 | 
			
		||||
    }
 | 
			
		||||
 | 
			
		||||
    *offset = (size_t)loffset;
 | 
			
		||||
    return REDIS_OK;
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
void setbitCommand(redisClient *c) {
 | 
			
		||||
    robj *o;
 | 
			
		||||
    char *err = "bit is not an integer or out of range";
 | 
			
		||||
    size_t bitoffset;
 | 
			
		||||
    long long bitvalue;
 | 
			
		||||
    int byte, bit, on;
 | 
			
		||||
 | 
			
		||||
    if (getBitOffsetFromArgument(c,c->argv[2],&bitoffset) != REDIS_OK)
 | 
			
		||||
        return;
 | 
			
		||||
 | 
			
		||||
    if (getLongLongFromObjectOrReply(c,c->argv[3],&bitvalue,err) != REDIS_OK)
 | 
			
		||||
        return;
 | 
			
		||||
 | 
			
		||||
    /* A bit can only be set to be on or off... */
 | 
			
		||||
    if (bitvalue & ~1) {
 | 
			
		||||
        addReplyError(c,err);
 | 
			
		||||
        return;
 | 
			
		||||
    }
 | 
			
		||||
 | 
			
		||||
    o = lookupKeyWrite(c->db,c->argv[1]);
 | 
			
		||||
    if (o == NULL) {
 | 
			
		||||
        o = createObject(REDIS_STRING,sdsempty());
 | 
			
		||||
        dbAdd(c->db,c->argv[1],o);
 | 
			
		||||
    } else {
 | 
			
		||||
        if (checkType(c,o,REDIS_STRING)) return;
 | 
			
		||||
 | 
			
		||||
        /* Create a copy when the object is shared or encoded. */
 | 
			
		||||
        if (o->refcount != 1 || o->encoding != REDIS_ENCODING_RAW) {
 | 
			
		||||
            robj *decoded = getDecodedObject(o);
 | 
			
		||||
            o = createStringObject(decoded->ptr, sdslen(decoded->ptr));
 | 
			
		||||
            decrRefCount(decoded);
 | 
			
		||||
            dbReplace(c->db,c->argv[1],o);
 | 
			
		||||
        }
 | 
			
		||||
    }
 | 
			
		||||
 | 
			
		||||
    byte = bitoffset >> 3;
 | 
			
		||||
    bit = 7 - (bitoffset & 0x7);
 | 
			
		||||
    on = bitvalue & 0x1;
 | 
			
		||||
    o->ptr = sdsgrowzero(o->ptr,byte+1);
 | 
			
		||||
    ((char*)o->ptr)[byte] |= on << bit;
 | 
			
		||||
    ((char*)o->ptr)[byte] &= ~((!on) << bit);
 | 
			
		||||
 | 
			
		||||
    touchWatchedKey(c->db,c->argv[1]);
 | 
			
		||||
    server.dirty++;
 | 
			
		||||
    addReply(c,shared.cone);
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
void getbitCommand(redisClient *c) {
 | 
			
		||||
    robj *o;
 | 
			
		||||
    size_t bitoffset, byte, bitmask;
 | 
			
		||||
    int on = 0;
 | 
			
		||||
    char llbuf[32];
 | 
			
		||||
 | 
			
		||||
    if (getBitOffsetFromArgument(c,c->argv[2],&bitoffset) != REDIS_OK)
 | 
			
		||||
        return;
 | 
			
		||||
 | 
			
		||||
    if ((o = lookupKeyReadOrReply(c,c->argv[1],shared.czero)) == NULL ||
 | 
			
		||||
        checkType(c,o,REDIS_STRING)) return;
 | 
			
		||||
 | 
			
		||||
    byte = bitoffset >> 3;
 | 
			
		||||
    bitmask = 1 << (7 - (bitoffset & 0x7));
 | 
			
		||||
    if (o->encoding != REDIS_ENCODING_RAW) {
 | 
			
		||||
        if (byte < (size_t)ll2string(llbuf,sizeof(llbuf),(long)o->ptr))
 | 
			
		||||
            on = llbuf[byte] & bitmask;
 | 
			
		||||
    } else {
 | 
			
		||||
        if (byte < sdslen(o->ptr))
 | 
			
		||||
            on = ((sds)o->ptr)[byte] & bitmask;
 | 
			
		||||
    }
 | 
			
		||||
    addReply(c, on ? shared.cone : shared.czero);
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
void setrangeCommand(redisClient *c) {
 | 
			
		||||
    robj *o;
 | 
			
		||||
    long offset;
 | 
			
		||||
    sds value = c->argv[3]->ptr;
 | 
			
		||||
 | 
			
		||||
    if (getLongFromObjectOrReply(c,c->argv[2],&offset,NULL) != REDIS_OK)
 | 
			
		||||
        return;
 | 
			
		||||
 | 
			
		||||
    o = lookupKeyWrite(c->db,c->argv[1]);
 | 
			
		||||
    if (o == NULL) {
 | 
			
		||||
        /* Negative offset is always 0 for non-existing keys */
 | 
			
		||||
        if (offset < 0) offset = 0;
 | 
			
		||||
 | 
			
		||||
        /* Return 0 when setting nothing on a non-existing string */
 | 
			
		||||
        if (sdslen(value) == 0) {
 | 
			
		||||
            addReply(c,shared.czero);
 | 
			
		||||
            return;
 | 
			
		||||
        }
 | 
			
		||||
 | 
			
		||||
        /* Return when the resulting string exceeds allowed size */
 | 
			
		||||
        if (checkStringLength(c,offset+sdslen(value)) != REDIS_OK)
 | 
			
		||||
            return;
 | 
			
		||||
 | 
			
		||||
        o = createObject(REDIS_STRING,sdsempty());
 | 
			
		||||
        dbAdd(c->db,c->argv[1],o);
 | 
			
		||||
    } else {
 | 
			
		||||
        int olen;
 | 
			
		||||
 | 
			
		||||
        /* Key exists, check type */
 | 
			
		||||
        if (checkType(c,o,REDIS_STRING))
 | 
			
		||||
            return;
 | 
			
		||||
 | 
			
		||||
        /* Find out existing value length */
 | 
			
		||||
        if (o->encoding == REDIS_ENCODING_INT) {
 | 
			
		||||
            char llbuf[32];
 | 
			
		||||
            olen = ll2string(llbuf,sizeof(llbuf),(long)o->ptr);
 | 
			
		||||
        } else {
 | 
			
		||||
            olen = sdslen(o->ptr);
 | 
			
		||||
        }
 | 
			
		||||
 | 
			
		||||
        /* Return existing string length when setting nothing */
 | 
			
		||||
        if (sdslen(value) == 0) {
 | 
			
		||||
            addReplyLongLong(c,olen);
 | 
			
		||||
            return;
 | 
			
		||||
        }
 | 
			
		||||
 | 
			
		||||
        /* Convert negative indexes. Note that for SETRANGE, the meaning of a
 | 
			
		||||
         * negative index is a little different than for other commands.
 | 
			
		||||
         * Here, an offset of -1 points to the trailing NULL byte of the
 | 
			
		||||
         * string instead of the last character. */
 | 
			
		||||
        if (offset < 0) {
 | 
			
		||||
            offset = olen+1+offset;
 | 
			
		||||
            if (offset < 0) offset = 0;
 | 
			
		||||
        }
 | 
			
		||||
 | 
			
		||||
        /* Return when the resulting string exceeds allowed size */
 | 
			
		||||
        if (checkStringLength(c,offset+sdslen(value)) != REDIS_OK)
 | 
			
		||||
            return;
 | 
			
		||||
 | 
			
		||||
        /* Create a copy when the object is shared or encoded. */
 | 
			
		||||
        if (o->refcount != 1 || o->encoding != REDIS_ENCODING_RAW) {
 | 
			
		||||
            robj *decoded = getDecodedObject(o);
 | 
			
		||||
            o = createStringObject(decoded->ptr, sdslen(decoded->ptr));
 | 
			
		||||
            decrRefCount(decoded);
 | 
			
		||||
            dbReplace(c->db,c->argv[1],o);
 | 
			
		||||
        }
 | 
			
		||||
    }
 | 
			
		||||
 | 
			
		||||
    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]);
 | 
			
		||||
        server.dirty++;
 | 
			
		||||
    }
 | 
			
		||||
    addReplyLongLong(c,sdslen(o->ptr));
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
void getrangeCommand(redisClient *c) {
 | 
			
		||||
    robj *o;
 | 
			
		||||
    long start, end;
 | 
			
		||||
    char *str, llbuf[32];
 | 
			
		||||
    size_t strlen;
 | 
			
		||||
 | 
			
		||||
    if (getLongFromObjectOrReply(c,c->argv[2],&start,NULL) != REDIS_OK)
 | 
			
		||||
        return;
 | 
			
		||||
    if (getLongFromObjectOrReply(c,c->argv[3],&end,NULL) != REDIS_OK)
 | 
			
		||||
        return;
 | 
			
		||||
    if ((o = lookupKeyReadOrReply(c,c->argv[1],shared.nullbulk)) == NULL ||
 | 
			
		||||
        checkType(c,o,REDIS_STRING)) return;
 | 
			
		||||
 | 
			
		||||
    if (o->encoding == REDIS_ENCODING_INT) {
 | 
			
		||||
        str = llbuf;
 | 
			
		||||
        strlen = ll2string(llbuf,sizeof(llbuf),(long)o->ptr);
 | 
			
		||||
    } else {
 | 
			
		||||
        str = o->ptr;
 | 
			
		||||
        strlen = sdslen(str);
 | 
			
		||||
    }
 | 
			
		||||
 | 
			
		||||
    /* Convert negative indexes */
 | 
			
		||||
    if (start < 0) start = strlen+start;
 | 
			
		||||
    if (end < 0) end = strlen+end;
 | 
			
		||||
    if (start < 0) start = 0;
 | 
			
		||||
    if (end < 0) end = 0;
 | 
			
		||||
    if ((unsigned)end >= strlen) end = strlen-1;
 | 
			
		||||
 | 
			
		||||
    /* Precondition: end >= 0 && end < strlen, so the only condition where
 | 
			
		||||
     * nothing can be returned is: start > end. */
 | 
			
		||||
    if (start > end) {
 | 
			
		||||
        addReply(c,shared.nullbulk);
 | 
			
		||||
    } else {
 | 
			
		||||
        addReplyBulkCBuffer(c,(char*)str+start,end-start+1);
 | 
			
		||||
    }
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
void mgetCommand(redisClient *c) {
 | 
			
		||||
    int j;
 | 
			
		||||
 | 
			
		||||
| 
						 | 
				
			
			@ -181,7 +395,7 @@ void decrbyCommand(redisClient *c) {
 | 
			
		|||
void appendCommand(redisClient *c) {
 | 
			
		||||
    int retval;
 | 
			
		||||
    size_t totlen;
 | 
			
		||||
    robj *o;
 | 
			
		||||
    robj *o, *append;
 | 
			
		||||
 | 
			
		||||
    o = lookupKeyWrite(c->db,c->argv[1]);
 | 
			
		||||
    c->argv[2] = tryObjectEncoding(c->argv[2]);
 | 
			
		||||
| 
						 | 
				
			
			@ -195,23 +409,27 @@ void appendCommand(redisClient *c) {
 | 
			
		|||
            addReply(c,shared.wrongtypeerr);
 | 
			
		||||
            return;
 | 
			
		||||
        }
 | 
			
		||||
        /* If the object is specially encoded or shared we have to make
 | 
			
		||||
         * a copy */
 | 
			
		||||
 | 
			
		||||
        append = getDecodedObject(c->argv[2]);
 | 
			
		||||
        if (o->encoding == REDIS_ENCODING_RAW &&
 | 
			
		||||
            (sdslen(o->ptr) + sdslen(append->ptr)) > 512*1024*1024)
 | 
			
		||||
        {
 | 
			
		||||
            addReplyError(c,"string exceeds maximum allowed size (512MB)");
 | 
			
		||||
            decrRefCount(append);
 | 
			
		||||
            return;
 | 
			
		||||
        }
 | 
			
		||||
 | 
			
		||||
        /* If the object is shared or encoded, we have to make a copy */
 | 
			
		||||
        if (o->refcount != 1 || o->encoding != REDIS_ENCODING_RAW) {
 | 
			
		||||
            robj *decoded = getDecodedObject(o);
 | 
			
		||||
 | 
			
		||||
            o = createStringObject(decoded->ptr, sdslen(decoded->ptr));
 | 
			
		||||
            decrRefCount(decoded);
 | 
			
		||||
            dbReplace(c->db,c->argv[1],o);
 | 
			
		||||
        }
 | 
			
		||||
        /* APPEND! */
 | 
			
		||||
        if (c->argv[2]->encoding == REDIS_ENCODING_RAW) {
 | 
			
		||||
            o->ptr = sdscatlen(o->ptr,
 | 
			
		||||
                c->argv[2]->ptr, sdslen(c->argv[2]->ptr));
 | 
			
		||||
        } else {
 | 
			
		||||
            o->ptr = sdscatprintf(o->ptr, "%ld",
 | 
			
		||||
                (unsigned long) c->argv[2]->ptr);
 | 
			
		||||
        }
 | 
			
		||||
 | 
			
		||||
        /* Append the value */
 | 
			
		||||
        o->ptr = sdscatlen(o->ptr,append->ptr,sdslen(append->ptr));
 | 
			
		||||
        decrRefCount(append);
 | 
			
		||||
        totlen = sdslen(o->ptr);
 | 
			
		||||
    }
 | 
			
		||||
    touchWatchedKey(c->db,c->argv[1]);
 | 
			
		||||
| 
						 | 
				
			
			@ -219,50 +437,20 @@ void appendCommand(redisClient *c) {
 | 
			
		|||
    addReplyLongLong(c,totlen);
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
void substrCommand(redisClient *c) {
 | 
			
		||||
    robj *o;
 | 
			
		||||
    long start = atoi(c->argv[2]->ptr);
 | 
			
		||||
    long end = atoi(c->argv[3]->ptr);
 | 
			
		||||
    size_t rangelen, strlen;
 | 
			
		||||
    sds range;
 | 
			
		||||
 | 
			
		||||
    if ((o = lookupKeyReadOrReply(c,c->argv[1],shared.nullbulk)) == NULL ||
 | 
			
		||||
        checkType(c,o,REDIS_STRING)) return;
 | 
			
		||||
 | 
			
		||||
    o = getDecodedObject(o);
 | 
			
		||||
    strlen = sdslen(o->ptr);
 | 
			
		||||
 | 
			
		||||
    /* convert negative indexes */
 | 
			
		||||
    if (start < 0) start = strlen+start;
 | 
			
		||||
    if (end < 0) end = strlen+end;
 | 
			
		||||
    if (start < 0) start = 0;
 | 
			
		||||
    if (end < 0) end = 0;
 | 
			
		||||
 | 
			
		||||
    /* indexes sanity checks */
 | 
			
		||||
    if (start > end || (size_t)start >= strlen) {
 | 
			
		||||
        /* Out of range start or start > end result in null reply */
 | 
			
		||||
        addReply(c,shared.nullbulk);
 | 
			
		||||
        decrRefCount(o);
 | 
			
		||||
        return;
 | 
			
		||||
    }
 | 
			
		||||
    if ((size_t)end >= strlen) end = strlen-1;
 | 
			
		||||
    rangelen = (end-start)+1;
 | 
			
		||||
 | 
			
		||||
    /* Return the result */
 | 
			
		||||
    addReplySds(c,sdscatprintf(sdsempty(),"$%zu\r\n",rangelen));
 | 
			
		||||
    range = sdsnewlen((char*)o->ptr+start,rangelen);
 | 
			
		||||
    addReplySds(c,range);
 | 
			
		||||
    addReply(c,shared.crlf);
 | 
			
		||||
    decrRefCount(o);
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
void strlenCommand(redisClient *c) {
 | 
			
		||||
    robj *o;
 | 
			
		||||
 | 
			
		||||
    if ((o = lookupKeyReadOrReply(c,c->argv[1],shared.czero)) == NULL ||
 | 
			
		||||
        checkType(c,o,REDIS_STRING)) return;
 | 
			
		||||
 | 
			
		||||
    o = getDecodedObject(o);
 | 
			
		||||
    addReplyLongLong(c,sdslen(o->ptr));
 | 
			
		||||
    decrRefCount(o);
 | 
			
		||||
    if (o->encoding == REDIS_ENCODING_RAW) {
 | 
			
		||||
        addReplyLongLong(c,sdslen(o->ptr));
 | 
			
		||||
    } else if (o->encoding == REDIS_ENCODING_INT) {
 | 
			
		||||
        char llbuf[32];
 | 
			
		||||
        int len = ll2string(llbuf,sizeof(llbuf),(long)o->ptr);
 | 
			
		||||
        addReplyLongLong(c,len);
 | 
			
		||||
    } else {
 | 
			
		||||
        redisPanic("Unknown string encoding");
 | 
			
		||||
    }
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
| 
						 | 
				
			
			
 | 
			
		|||
| 
						 | 
				
			
			@ -374,4 +374,228 @@ start_server {tags {"basic"}} {
 | 
			
		|||
        r set mystring "foozzz0123456789 baz"
 | 
			
		||||
        r strlen mystring
 | 
			
		||||
    }
 | 
			
		||||
 | 
			
		||||
    test "SETBIT against non-existing key" {
 | 
			
		||||
        r del mykey
 | 
			
		||||
 | 
			
		||||
        # Setting 2nd bit to on is integer 64, ascii "@"
 | 
			
		||||
        assert_equal 1 [r setbit mykey 1 1]
 | 
			
		||||
        assert_equal "@" [r get mykey]
 | 
			
		||||
    }
 | 
			
		||||
 | 
			
		||||
    test "SETBIT against string-encoded key" {
 | 
			
		||||
        # Single byte with 2nd bit set
 | 
			
		||||
        r set mykey "@"
 | 
			
		||||
 | 
			
		||||
        # 64 + 32 = 96 => ascii "`" (backtick)
 | 
			
		||||
        assert_equal 1 [r setbit mykey 2 1]
 | 
			
		||||
        assert_equal "`" [r get mykey]
 | 
			
		||||
    }
 | 
			
		||||
 | 
			
		||||
    test "SETBIT against integer-encoded key" {
 | 
			
		||||
        r set mykey 1
 | 
			
		||||
        assert_encoding int mykey
 | 
			
		||||
 | 
			
		||||
        # Ascii "1" is integer 49 = 00 11 00 01
 | 
			
		||||
        # Setting 7th bit = 51 => ascii "3"
 | 
			
		||||
        assert_equal 1 [r setbit mykey 6 1]
 | 
			
		||||
        assert_equal "3" [r get mykey]
 | 
			
		||||
    }
 | 
			
		||||
 | 
			
		||||
    test "SETBIT against key with wrong type" {
 | 
			
		||||
        r del mykey
 | 
			
		||||
        r lpush mykey "foo"
 | 
			
		||||
        assert_error "*wrong kind*" {r setbit mykey 0 1}
 | 
			
		||||
    }
 | 
			
		||||
 | 
			
		||||
    test "SETBIT with out of range bit offset" {
 | 
			
		||||
        r del mykey
 | 
			
		||||
        assert_error "*out of range*" {r setbit mykey [expr 4*1024*1024*1024] 1}
 | 
			
		||||
        assert_error "*out of range*" {r setbit mykey -1 1}
 | 
			
		||||
    }
 | 
			
		||||
 | 
			
		||||
    test "SETBIT with non-bit argument" {
 | 
			
		||||
        r del mykey
 | 
			
		||||
        assert_error "*out of range*" {r setbit mykey 0 -1}
 | 
			
		||||
        assert_error "*out of range*" {r setbit mykey 0  2}
 | 
			
		||||
        assert_error "*out of range*" {r setbit mykey 0 10}
 | 
			
		||||
        assert_error "*out of range*" {r setbit mykey 0 20}
 | 
			
		||||
    }
 | 
			
		||||
 | 
			
		||||
    test "GETBIT against non-existing key" {
 | 
			
		||||
        r del mykey
 | 
			
		||||
        assert_equal 0 [r getbit mykey 0]
 | 
			
		||||
    }
 | 
			
		||||
 | 
			
		||||
    test "GETBIT against string-encoded key" {
 | 
			
		||||
        # Single byte with 2nd and 3rd bit set
 | 
			
		||||
        r set mykey "`"
 | 
			
		||||
 | 
			
		||||
        # In-range
 | 
			
		||||
        assert_equal 0 [r getbit mykey 0]
 | 
			
		||||
        assert_equal 1 [r getbit mykey 1]
 | 
			
		||||
        assert_equal 1 [r getbit mykey 2]
 | 
			
		||||
        assert_equal 0 [r getbit mykey 3]
 | 
			
		||||
 | 
			
		||||
        # Out-range
 | 
			
		||||
        assert_equal 0 [r getbit mykey 8]
 | 
			
		||||
        assert_equal 0 [r getbit mykey 100]
 | 
			
		||||
        assert_equal 0 [r getbit mykey 10000]
 | 
			
		||||
    }
 | 
			
		||||
 | 
			
		||||
    test "GETBIT against integer-encoded key" {
 | 
			
		||||
        r set mykey 1
 | 
			
		||||
        assert_encoding int mykey
 | 
			
		||||
 | 
			
		||||
        # Ascii "1" is integer 49 = 00 11 00 01
 | 
			
		||||
        assert_equal 0 [r getbit mykey 0]
 | 
			
		||||
        assert_equal 0 [r getbit mykey 1]
 | 
			
		||||
        assert_equal 1 [r getbit mykey 2]
 | 
			
		||||
        assert_equal 1 [r getbit mykey 3]
 | 
			
		||||
 | 
			
		||||
        # Out-range
 | 
			
		||||
        assert_equal 0 [r getbit mykey 8]
 | 
			
		||||
        assert_equal 0 [r getbit mykey 100]
 | 
			
		||||
        assert_equal 0 [r getbit mykey 10000]
 | 
			
		||||
    }
 | 
			
		||||
 | 
			
		||||
    test "SETRANGE against non-existing key" {
 | 
			
		||||
        r del mykey
 | 
			
		||||
        assert_equal 3 [r setrange mykey 0 foo]
 | 
			
		||||
        assert_equal "foo" [r get mykey]
 | 
			
		||||
 | 
			
		||||
        r del mykey
 | 
			
		||||
        assert_equal 0 [r setrange mykey 0 ""]
 | 
			
		||||
        assert_equal 0 [r exists mykey]
 | 
			
		||||
 | 
			
		||||
        r del mykey
 | 
			
		||||
        assert_equal 4 [r setrange mykey 1 foo]
 | 
			
		||||
        assert_equal "\000foo" [r get mykey]
 | 
			
		||||
 | 
			
		||||
        r del mykey
 | 
			
		||||
        assert_equal 3 [r setrange mykey -1 foo]
 | 
			
		||||
        assert_equal "foo" [r get mykey]
 | 
			
		||||
 | 
			
		||||
        r del mykey
 | 
			
		||||
        assert_equal 3 [r setrange mykey -100 foo]
 | 
			
		||||
        assert_equal "foo" [r get mykey]
 | 
			
		||||
    }
 | 
			
		||||
 | 
			
		||||
    test "SETRANGE against string-encoded key" {
 | 
			
		||||
        r set mykey "foo"
 | 
			
		||||
        assert_equal 3 [r setrange mykey 0 b]
 | 
			
		||||
        assert_equal "boo" [r get mykey]
 | 
			
		||||
 | 
			
		||||
        r set mykey "foo"
 | 
			
		||||
        assert_equal 3 [r setrange mykey 0 ""]
 | 
			
		||||
        assert_equal "foo" [r get mykey]
 | 
			
		||||
 | 
			
		||||
        r set mykey "foo"
 | 
			
		||||
        assert_equal 3 [r setrange mykey 1 b]
 | 
			
		||||
        assert_equal "fbo" [r get mykey]
 | 
			
		||||
 | 
			
		||||
        r set mykey "foo"
 | 
			
		||||
        assert_equal 6 [r setrange mykey -1 bar]
 | 
			
		||||
        assert_equal "foobar" [r get mykey]
 | 
			
		||||
 | 
			
		||||
        r set mykey "foo"
 | 
			
		||||
        assert_equal 5 [r setrange mykey -2 bar]
 | 
			
		||||
        assert_equal "fobar" [r get mykey]
 | 
			
		||||
 | 
			
		||||
        r set mykey "foo"
 | 
			
		||||
        assert_equal 3 [r setrange mykey -20 bar]
 | 
			
		||||
        assert_equal "bar" [r get mykey]
 | 
			
		||||
 | 
			
		||||
        r set mykey "foo"
 | 
			
		||||
        assert_equal 7 [r setrange mykey 4 bar]
 | 
			
		||||
        assert_equal "foo\000bar" [r get mykey]
 | 
			
		||||
    }
 | 
			
		||||
 | 
			
		||||
    test "SETRANGE against integer-encoded key" {
 | 
			
		||||
        r set mykey 1234
 | 
			
		||||
        assert_encoding int mykey
 | 
			
		||||
        assert_equal 4 [r setrange mykey 0 2]
 | 
			
		||||
        assert_encoding raw mykey
 | 
			
		||||
        assert_equal 2234 [r get mykey]
 | 
			
		||||
 | 
			
		||||
        # Shouldn't change encoding when nothing is set
 | 
			
		||||
        r set mykey 1234
 | 
			
		||||
        assert_encoding int mykey
 | 
			
		||||
        assert_equal 4 [r setrange mykey 0 ""]
 | 
			
		||||
        assert_encoding int mykey
 | 
			
		||||
        assert_equal 1234 [r get mykey]
 | 
			
		||||
 | 
			
		||||
        r set mykey 1234
 | 
			
		||||
        assert_encoding int mykey
 | 
			
		||||
        assert_equal 4 [r setrange mykey 1 3]
 | 
			
		||||
        assert_encoding raw mykey
 | 
			
		||||
        assert_equal 1334 [r get mykey]
 | 
			
		||||
 | 
			
		||||
        r set mykey 1234
 | 
			
		||||
        assert_encoding int mykey
 | 
			
		||||
        assert_equal 5 [r setrange mykey -1 5]
 | 
			
		||||
        assert_encoding raw mykey
 | 
			
		||||
        assert_equal 12345 [r get mykey]
 | 
			
		||||
 | 
			
		||||
        r set mykey 1234
 | 
			
		||||
        assert_encoding int mykey
 | 
			
		||||
        assert_equal 4 [r setrange mykey -2 5]
 | 
			
		||||
        assert_encoding raw mykey
 | 
			
		||||
        assert_equal 1235 [r get mykey]
 | 
			
		||||
 | 
			
		||||
        r set mykey 1234
 | 
			
		||||
        assert_encoding int mykey
 | 
			
		||||
        assert_equal 6 [r setrange mykey 5 2]
 | 
			
		||||
        assert_encoding raw mykey
 | 
			
		||||
        assert_equal "1234\0002" [r get mykey]
 | 
			
		||||
    }
 | 
			
		||||
 | 
			
		||||
    test "SETRANGE against key with wrong type" {
 | 
			
		||||
        r del mykey
 | 
			
		||||
        r lpush mykey "foo"
 | 
			
		||||
        assert_error "*wrong kind*" {r setrange mykey 0 bar}
 | 
			
		||||
    }
 | 
			
		||||
 | 
			
		||||
    test "SETRANGE with out of range offset" {
 | 
			
		||||
        r del mykey
 | 
			
		||||
        assert_error "*maximum allowed size*" {r setrange mykey [expr 512*1024*1024-4] world}
 | 
			
		||||
        r set mykey "hello"
 | 
			
		||||
        assert_error "*maximum allowed size*" {r setrange mykey [expr 512*1024*1024-4] world}
 | 
			
		||||
    }
 | 
			
		||||
 | 
			
		||||
    test "GETRANGE against non-existing key" {
 | 
			
		||||
        r del mykey
 | 
			
		||||
        assert_equal "" [r getrange mykey 0 -1]
 | 
			
		||||
    }
 | 
			
		||||
 | 
			
		||||
    test "GETRANGE against string value" {
 | 
			
		||||
        r set mykey "Hello World"
 | 
			
		||||
        assert_equal "Hell" [r getrange mykey 0 3]
 | 
			
		||||
        assert_equal "Hello World" [r getrange mykey 0 -1]
 | 
			
		||||
        assert_equal "orld" [r getrange mykey -4 -1]
 | 
			
		||||
        assert_equal "" [r getrange mykey 5 3]
 | 
			
		||||
        assert_equal " World" [r getrange mykey 5 5000]
 | 
			
		||||
        assert_equal "Hello World" [r getrange mykey -5000 10000]
 | 
			
		||||
    }
 | 
			
		||||
 | 
			
		||||
    test "GETRANGE against integer-encoded value" {
 | 
			
		||||
        r set mykey 1234
 | 
			
		||||
        assert_equal "123" [r getrange mykey 0 2]
 | 
			
		||||
        assert_equal "1234" [r getrange mykey 0 -1]
 | 
			
		||||
        assert_equal "234" [r getrange mykey -3 -1]
 | 
			
		||||
        assert_equal "" [r getrange mykey 5 3]
 | 
			
		||||
        assert_equal "4" [r getrange mykey 3 5000]
 | 
			
		||||
        assert_equal "1234" [r getrange mykey -5000 10000]
 | 
			
		||||
    }
 | 
			
		||||
 | 
			
		||||
    test "GETRANGE fuzzing" {
 | 
			
		||||
        for {set i 0} {$i < 1000} {incr i} {
 | 
			
		||||
            r set bin [set bin [randstring 0 1024 binary]]
 | 
			
		||||
            set _start [set start [randomInt 1500]]
 | 
			
		||||
            set _end [set end [randomInt 1500]]
 | 
			
		||||
            if {$_start < 0} {set _start "end-[abs($_start)-1]"}
 | 
			
		||||
            if {$_end < 0} {set _end "end-[abs($_end)-1]"}
 | 
			
		||||
            assert_equal [string range $bin $_start $_end] [r getrange bin $start $end]
 | 
			
		||||
        }
 | 
			
		||||
    }
 | 
			
		||||
}
 | 
			
		||||
| 
						 | 
				
			
			
 | 
			
		|||
| 
						 | 
				
			
			@ -216,42 +216,6 @@ start_server {tags {"other"}} {
 | 
			
		|||
        set _ $err
 | 
			
		||||
    } {}
 | 
			
		||||
 | 
			
		||||
    test {SUBSTR basics} {
 | 
			
		||||
        set res {}
 | 
			
		||||
        r set foo "Hello World"
 | 
			
		||||
        lappend res [r substr foo 0 3]
 | 
			
		||||
        lappend res [r substr foo 0 -1]
 | 
			
		||||
        lappend res [r substr foo -4 -1]
 | 
			
		||||
        lappend res [r substr foo 5 3]
 | 
			
		||||
        lappend res [r substr foo 5 5000]
 | 
			
		||||
        lappend res [r substr foo -5000 10000]
 | 
			
		||||
        set _ $res
 | 
			
		||||
    } {Hell {Hello World} orld {} { World} {Hello World}}
 | 
			
		||||
 | 
			
		||||
    test {SUBSTR against integer encoded values} {
 | 
			
		||||
        r set foo 123
 | 
			
		||||
        r substr foo 0 -2
 | 
			
		||||
    } {12}
 | 
			
		||||
 | 
			
		||||
    test {SUBSTR fuzzing} {
 | 
			
		||||
        set err {}
 | 
			
		||||
        for {set i 0} {$i < 1000} {incr i} {
 | 
			
		||||
            set bin [randstring 0 1024 binary]
 | 
			
		||||
            set _start [set start [randomInt 1500]]
 | 
			
		||||
            set _end [set end [randomInt 1500]]
 | 
			
		||||
            if {$_start < 0} {set _start "end-[abs($_start)-1]"}
 | 
			
		||||
            if {$_end < 0} {set _end "end-[abs($_end)-1]"}
 | 
			
		||||
            set s1 [string range $bin $_start $_end]
 | 
			
		||||
            r set bin $bin
 | 
			
		||||
            set s2 [r substr bin $start $end]
 | 
			
		||||
            if {$s1 != $s2} {
 | 
			
		||||
                set err "String mismatch"
 | 
			
		||||
                break
 | 
			
		||||
            }
 | 
			
		||||
        }
 | 
			
		||||
        set _ $err
 | 
			
		||||
    } {}
 | 
			
		||||
 | 
			
		||||
    # Leave the user with a clean DB before to exit
 | 
			
		||||
    test {FLUSHDB} {
 | 
			
		||||
        set aux {}
 | 
			
		||||
| 
						 | 
				
			
			
 | 
			
		|||
		Loading…
	
		Reference in New Issue