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Backpatch to 7.4 the part of 1.84 (from the 8.0 timeline) that wasn't already

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patched, viz. str_numth().  The rest of that patch was already applied as part
of 1.69.2.1.  Per report and patch from Andreas 'ads' Scherbaum.

The involved revisions were:

revision 1.84
date: 2005-01-12 22:40:13 -0300;  author: tgl;  state: Exp;  lines: +9 -7;
branches:  1.84.4;
Remove unportable assumption that it's okay to use the target buffer
of an sprintf() as a source string.  Demonstrably does not work with
recent gcc and/or glibc on some platforms.

and

revision 1.69.2.1
date: 2005-03-25 20:42:21 -0400;  author: tgl;  state: Exp;  lines: +24 -8;
Prevent to_char(interval) from dumping core on month-related formats
when a zero-month interval is given.  Per discussion with Karel.
This commit is contained in:
Alvaro Herrera 2009-01-13 15:28:42 +00:00
parent e3a4d5cf8c
commit b379d53c30
1 changed files with 4 additions and 3 deletions
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7
src/backend/utils/adt/formatting.c
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@ -1,7 +1,7 @@
/* -----------------------------------------------------------------------
* formatting.c
*
* $Header: /cvsroot/pgsql/src/backend/utils/adt/formatting.c,v 1.69.2.2 2007/06/29 01:52:14 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/utils/adt/formatting.c,v 1.69.2.3 2009/01/13 15:28:42 alvherre Exp $
*
*
* Portions Copyright (c) 1999-2003, PostgreSQL Global Development Group
@ -1444,7 +1444,9 @@ get_th(char *num, int type)
static char *
str_numth(char *dest, char *num, int type)
{
sprintf(dest, "%s%s", num, get_th(num, type));
if (dest != num)
strcpy(dest, num);
strcat(dest, get_th(num, type));
return dest;
}
@ -2097,7 +2099,6 @@ dch_date(int arg, char *inout, int suf, int flag, FormatNode *node, void *data)
switch (arg)
{
case DCH_A_D:
case DCH_B_C:
if (flag == TO_CHAR)