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Bug #57588 - Compiler warning in InnoDB due to comparison between signed and unsigned

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For DATA_MBMINLEN(), cast the result of UNIV_EXPECT to ulint because in GCC
it returns a long causing unsigned/signed comparison warnings.

Approved by Jimmy Yang on IM.
This commit is contained in:
Sunny Bains 2010-10-20 14:39:31 +11:00
parent e8a709a6c3
commit bd8343dd27
1 changed files with 5 additions and 2 deletions
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7
storage/innobase/include/data0type.h
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@ -174,8 +174,11 @@ store the charset-collation number; one byte is left unused, though */
/* Pack mbminlen, mbmaxlen to mbminmaxlen. */
#define DATA_MBMINMAXLEN(mbminlen, mbmaxlen) \
((mbmaxlen) * DATA_MBMAX + (mbminlen))
/* Get mbminlen from mbminmaxlen. */
#define DATA_MBMINLEN(mbminmaxlen) UNIV_EXPECT(((mbminmaxlen) % DATA_MBMAX), 1)
/* Get mbminlen from mbminmaxlen. Cast the result of UNIV_EXPECT to ulint
because in GCC it returns a long. */
#define DATA_MBMINLEN(mbminmaxlen) ((ulint) \
UNIV_EXPECT(((mbminmaxlen) % DATA_MBMAX), \
1))
/* Get mbmaxlen from mbminmaxlen. */
#define DATA_MBMAXLEN(mbminmaxlen) ((mbminmaxlen) / DATA_MBMAX)