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Merge pull request #3282 from wenduo/unstable 

bitcount bug:return non-zero value when start > end (both negative)
This commit is contained in:
Salvatore Sanfilippo 2016-06-15 12:15:34 +02:00 committed by GitHub
parent 3deb7badb1 41dacdbcbe
commit 001cadc854
1 changed files with 4 additions and 0 deletions
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4
src/bitops.c
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@ -775,6 +775,10 @@ void bitcountCommand(client *c) {
/* Convert negative indexes */ /* Convert negative indexes */
if (start < 0) start = strlen+start; if (start < 0) start = strlen+start;
if (end < 0) end = strlen+end; if (end < 0) end = strlen+end;
if ((start < 0) && (end < 0) && (start > end)) {
addReply(c,shared.czero);
return;
}
if (start < 0) start = 0; if (start < 0) start = 0;
if (end < 0) end = 0; if (end < 0) end = 0;
if (end >= strlen) end = strlen-1; if (end >= strlen) end = strlen-1;