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Comment changes only: Add several optimization marks in rowset.c. Add

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a header comment that explains what the various special comments mean.

FossilOrigin-Name: 8cdbe89ac6c22d632f677eb293111b3dbae7d6c1
This commit is contained in:
drh
2016-04-28 20:11:12 +00:00
parent 2075fb08e6
commit 396794f0ee
4 changed files with 50 additions and 16 deletions
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27
src/sqliteInt.h
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@@ -15,6 +15,33 @@
#ifndef _SQLITEINT_H_
#define _SQLITEINT_H_
/* Special Comments:
**
** Some comments have special meaning to the tools that measure test
** coverage:
**
** NO_TEST - The branches on this line are not
** measured by branch coverage. This is
** used on lines of code that actually
** implement parts of coverage testing.
**
** OPTIMIZATION-IF-TRUE - This branch is allowed to alway be false
** and the correct answer is still obtained,
** though perhaps more slowly.
**
** OPTIMIZATION-IF-FALSE - This branch is allowed to alway be true
** and the correct answer is still obtained,
** though perhaps more slowly.
**
** PREVENTS-HARMLESS-OVERREAD - This branch prevents a buffer overread
** that would be harmless and undetectable
** if it did occur.
**
** In all cases, the special comment must be enclosed in the usual
** slash-asterisk...asterisk-slash comment marks, with no spaces between the
** asterisks and the comment text.
*/
/*
** Make sure that rand_s() is available on Windows systems with MSVC 2005
** or higher.