mirror/postgresql
2
0
Fork 0
mirror of https://git.postgresql.org/git/postgresql.git synced 2025-02-05 19:09:58 +08:00
Code Issues Packages Projects Releases Wiki Activity

Add comment about void* use in MemSet.

Browse Source
This commit is contained in:
Bruce Momjian 2005-07-21 15:16:30 +00:00
parent 0e5c62d065
commit a0407f508a
3 changed files with 15 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
src/include/c.h
View File

@ -12,7 +12,7 @@
* Portions Copyright (c) 1996-2005, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/include/c.h,v 1.188 2005/07/18 15:53:28 tgl Exp $
* $PostgreSQL: pgsql/src/include/c.h,v 1.189 2005/07/21 15:16:27 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@ -630,6 +630,7 @@ typedef NameData *Name;
#define MemSet(start, val, len) \
do \
{ \
/* must be void* because we don't know if it is integer aligned yet */ \
void *_vstart = (void *) (start); \
int _val = (val); \
Size _len = (len); \

8
src/include/utils/timestamp.h
View File

@ -6,7 +6,7 @@
* Portions Copyright (c) 1996-2005, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/include/utils/timestamp.h,v 1.49 2005/07/21 04:48:42 momjian Exp $
* $PostgreSQL: pgsql/src/include/utils/timestamp.h,v 1.50 2005/07/21 15:16:27 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@ -63,6 +63,12 @@ typedef struct
/* in both timestamp.h and ecpg/dt.h */
#define DAYS_PER_YEAR 365.25 /* assumes leap year every four years */
#define MONTHS_PER_YEAR 12
/*
* DAYS_PER_MONTH is very imprecise. The more accurate value is
* 365.25/12 = 30.4375, or '30 days 10:30:00'. Right now we only
* return an integral number of days, but someday perhaps we should
* also return a 'time' value to be used as well.
*/
#define DAYS_PER_MONTH 30 /* assumes exactly 30 days per month */
#define HOURS_PER_DAY 24 /* assume no daylight savings time changes */

6
src/interfaces/ecpg/pgtypeslib/dt.h
View File

@ -219,6 +219,12 @@ do { \
/* in both timestamp.h and ecpg/dt.h */
#define DAYS_PER_YEAR 365.25 /* assumes leap year every four years */
#define MONTHS_PER_YEAR 12
/*
* DAYS_PER_MONTH is very imprecise. The more accurate value is
* 365.25/12 = 30.4375, or '30 days 10:30:00'. Right now we only
* return an integral number of days, but someday perhaps we should
* also return a 'time' value to be used as well.
*/
#define DAYS_PER_MONTH 30 /* assumes exactly 30 days per month */
#define HOURS_PER_DAY 24 /* assume no daylight savings time changes */