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varstr_cmp and any comparison function that piggybacks on it can return

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any negative or positive number, not just -1 or 1. Fix comment on
varstr_cmp and citext test case accordingly.

As pointed out by Zdenek Kotala, and buildfarm member gothic moth.
This commit is contained in:
Heikki Linnakangas
2009-04-23 07:19:09 +00:00
parent 8d4f2ecd41
commit 283939a321
4 changed files with 12 additions and 11 deletions
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5
src/backend/utils/adt/varlena.c
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@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/utils/adt/varlena.c,v 1.169 2009/01/01 17:23:50 momjian Exp $
* $PostgreSQL: pgsql/src/backend/utils/adt/varlena.c,v 1.170 2009/04/23 07:19:09 heikki Exp $
*
*-------------------------------------------------------------------------
*/
@ -1138,7 +1138,8 @@ text_position_cleanup(TextPositionState *state)
* Comparison function for text strings with given lengths.
* Includes locale support, but must copy strings to temporary memory
* to allow null-termination for inputs to strcoll().
* Returns -1, 0 or 1
* Returns an integer less than, equal to, or greater than zero, indicating
* whether arg1 is less than, equal to, or greater than arg2.
*/
int
varstr_cmp(char *arg1, int len1, char *arg2, int len2)