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Add resetStringInfo(), which clears the content of a StringInfo, and

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fixup various places in the tree that were clearing a StringInfo by hand.
Making this function a part of the API simplifies client code slightly,
and avoids needlessly peeking inside the StringInfo interface.
This commit is contained in:
Neil Conway
2007-03-03 19:32:55 +00:00
parent 053981f405
commit 90d76525c5
11 changed files with 57 additions and 69 deletions
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9
src/include/lib/stringinfo.h
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@@ -10,7 +10,7 @@
* Portions Copyright (c) 1996-2007, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/include/lib/stringinfo.h,v 1.33 2007/01/05 22:19:55 momjian Exp $
* $PostgreSQL: pgsql/src/include/lib/stringinfo.h,v 1.34 2007/03/03 19:32:55 neilc Exp $
*
*-------------------------------------------------------------------------
*/
@@ -78,6 +78,13 @@ extern StringInfo makeStringInfo(void);
*/
extern void initStringInfo(StringInfo str);
/*------------------------
* resetStringInfo
* Clears the current content of the StringInfo, if any. The
* StringInfo remains valid.
*/
extern void resetStringInfo(StringInfo str);
/*------------------------
* appendStringInfo
* Format text data under the control of fmt (an sprintf-style format string)