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Handle large getrange requests

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Previously the end was casted to a smaller type
which resulted in a wrong check and failed
with values larger than handled by unsigned.

Closes #1847, #1844
This commit is contained in:
Jan-Erik Rediger
2014-06-29 12:32:06 +02:00
committed by antirez
parent f17f8521f0
commit 53fdfda9e3
2 changed files with 6 additions and 1 deletions
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2
src/t_string.c
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@ -255,7 +255,7 @@ void getrangeCommand(redisClient *c) {
if (end < 0) end = strlen+end;
if (start < 0) start = 0;
if (end < 0) end = 0;
if ((unsigned)end >= strlen) end = strlen-1;
if ((size_t)end >= strlen) end = strlen-1;
/* Precondition: end >= 0 && end < strlen, so the only condition where
* nothing can be returned is: start > end. */