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MDEV-4244 [PATCH] Buffer overruns and use-after-free errors

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fixes for gcc 4.8 - compilation warnings and -fsanitize=address
This commit is contained in:
Sergei Golubchik
2013-04-06 21:29:12 +02:00
parent 87a452f6d5
commit 7b55b59b57
5 changed files with 108 additions and 72 deletions
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7
sql/opt_range.cc
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@ -83,7 +83,12 @@
static int sel_cmp(Field *f,uchar *a,uchar *b,uint8 a_flag,uint8 b_flag);
static uchar is_null_string[2]= {1,0};
/*
this should be long enough so that any memcmp with a string that
starts from '\0' won't cross is_null_string boundaries, even
if the memcmp is optimized to compare 4- 8- or 16- bytes at once
*/
static uchar is_null_string[20]= {1,0};
class RANGE_OPT_PARAM;
/*