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Fix for textcat on varchar() fields.

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This commit is contained in:
Bruce Momjian
1997-11-23 21:39:12 +00:00
parent f4253b0b49
commit 1409819a87
1 changed files with 6 additions and 1 deletions
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7
src/backend/utils/adt/varlena.c
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@ -7,7 +7,7 @@
* *
* *
* IDENTIFICATION * IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/utils/adt/varlena.c,v 1.21 1997/09/08 21:48:42 momjian Exp $ * $Header: /cvsroot/pgsql/src/backend/utils/adt/varlena.c,v 1.22 1997/11/23 21:39:12 momjian Exp $
* *
*------------------------------------------------------------------------- *-------------------------------------------------------------------------
*/ */
@ -253,9 +253,14 @@ textcat(text *t1, text *t2)
len1 = (PointerIsValid(t1) ? (VARSIZE(t1) - VARHDRSZ) : 0); len1 = (PointerIsValid(t1) ? (VARSIZE(t1) - VARHDRSZ) : 0);
if (len1 < 0) if (len1 < 0)
len1 = 0; len1 = 0;
while (len1 > 0 && VARDATA(t1)[len1 - 1] == '\0')
len1--;
len2 = (PointerIsValid(t2) ? (VARSIZE(t2) - VARHDRSZ) : 0); len2 = (PointerIsValid(t2) ? (VARSIZE(t2) - VARHDRSZ) : 0);
if (len2 < 0) if (len2 < 0)
len2 = 0; len2 = 0;
while (len2 > 0 && VARDATA(t2)[len2 - 1] == '\0')
len2--;
result = PALLOC(len = len1 + len2 + VARHDRSZ); result = PALLOC(len = len1 + len2 + VARHDRSZ);