diff options
Diffstat (limited to 'src/ziplist.c')
| -rw-r--r-- | src/ziplist.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/src/ziplist.c b/src/ziplist.c index 64a22adfc..34053d06a 100644 --- a/src/ziplist.c +++ b/src/ziplist.c @@ -613,7 +613,12 @@ static unsigned char *__ziplistInsert(unsigned char *zl, unsigned char *p, unsig /* When the insert position is not equal to the tail, we need to * make sure that the next entry can hold this entry's length in * its prevlen field. */ + int forcelarge = 0; nextdiff = (p[0] != ZIP_END) ? zipPrevLenByteDiff(p,reqlen) : 0; + if (nextdiff == -4 && reqlen < 4) { + nextdiff = 0; + forcelarge = 1; + } /* Store offset because a realloc may change the address of zl. */ offset = p-zl; @@ -626,7 +631,10 @@ static unsigned char *__ziplistInsert(unsigned char *zl, unsigned char *p, unsig memmove(p+reqlen,p-nextdiff,curlen-offset-1+nextdiff); /* Encode this entry's raw length in the next entry. */ - zipPrevEncodeLength(p+reqlen,reqlen); + if (forcelarge) + zipPrevEncodeLengthForceLarge(p+reqlen,reqlen); + else + zipPrevEncodeLength(p+reqlen,reqlen); /* Update offset for tail */ ZIPLIST_TAIL_OFFSET(zl) = |