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Merge pull request #2050 from mattsta/bitops-no-overalloc

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Bitops: Stop overallocating storage space on set
This commit is contained in:
Salvatore Sanfilippo 2015-02-25 10:18:07 +01:00
commit 9454f7b3db
2 changed files with 4 additions and 6 deletions
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8
src/bitops.c
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@ -229,18 +229,16 @@ void setbitCommand(redisClient *c) {
return; return;
} }
byte = bitoffset >> 3;
o = lookupKeyWrite(c->db,c->argv[1]); o = lookupKeyWrite(c->db,c->argv[1]);
if (o == NULL) { if (o == NULL) {
o = createObject(REDIS_STRING,sdsempty()); o = createObject(REDIS_STRING,sdsnewlen(NULL, byte+1));
dbAdd(c->db,c->argv[1],o); dbAdd(c->db,c->argv[1],o);
} else { } else {
if (checkType(c,o,REDIS_STRING)) return; if (checkType(c,o,REDIS_STRING)) return;
o = dbUnshareStringValue(c->db,c->argv[1],o); o = dbUnshareStringValue(c->db,c->argv[1],o);
}
/* Grow sds value to the right length if necessary */
byte = bitoffset >> 3;
o->ptr = sdsgrowzero(o->ptr,byte+1); o->ptr = sdsgrowzero(o->ptr,byte+1);
}
/* Get current values */ /* Get current values */
byteval = ((uint8_t*)o->ptr)[byte]; byteval = ((uint8_t*)o->ptr)[byte];

2
src/t_string.c
View File

@ -206,7 +206,7 @@ void setrangeCommand(redisClient *c) {
if (checkStringLength(c,offset+sdslen(value)) != REDIS_OK) if (checkStringLength(c,offset+sdslen(value)) != REDIS_OK)
return; return;
o = createObject(REDIS_STRING,sdsempty()); o = createObject(REDIS_STRING,sdsnewlen(NULL, offset+sdslen(value)));
dbAdd(c->db,c->argv[1],o); dbAdd(c->db,c->argv[1],o);
} else { } else {
size_t olen; size_t olen;