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Define text, varchar, and bpchar string length functions.

This commit is contained in:
Thomas G. Lockhart 1997-12-16 15:59:11 +00:00
parent 6873af55cf
commit 6316f4d3db
2 changed files with 25 additions and 13 deletions
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22
src/backend/utils/adt/varchar.c
View File

@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/utils/adt/varchar.c,v 1.12 1997/12/06 22:57:14 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/utils/adt/varchar.c,v 1.13 1997/12/16 15:59:09 thomas Exp $
*
*-------------------------------------------------------------------------
*/
@ -121,7 +121,7 @@ bpcharout(char *s)
* len is the length specified in () plus VARHDRSZ bytes. (XXX dummy is here
* because we pass typelem as the second argument for array_in.)
*/
char *
char *
varcharin(char *s, int dummy, int typlen)
{
char *result;
@ -191,6 +191,15 @@ bcTruelen(char *arg)
return (i + 1);
}
int32
bpcharlen(char *arg)
{
if (!PointerIsValid(arg))
elog(WARN, "Bad (null) char() external representation", NULL);
return(bcTruelen(arg));
} /* bpcharlen() */
bool
bpchareq(char *arg1, char *arg2)
{
@ -338,6 +347,15 @@ vcTruelen(char *arg)
return i;
}
int32
varcharlen(char *arg)
{
if (!PointerIsValid(arg))
elog(WARN, "Bad (null) varchar() external representation", NULL);
return(vcTruelen(arg));
} /* vclen() */
bool
varchareq(char *arg1, char *arg2)
{

16
src/backend/utils/adt/varlena.c
View File

@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/utils/adt/varlena.c,v 1.24 1997/12/08 04:42:48 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/utils/adt/varlena.c,v 1.25 1997/12/16 15:59:11 thomas Exp $
*
*-------------------------------------------------------------------------
*/
@ -210,20 +210,14 @@ textout(struct varlena * vlena)
* returns the actual length of a text* (which may be less than
* the VARSIZE of the text*)
*/
#ifdef NOT_USED
int
textlen(text *t)
{
int i = 0;
int max = VARSIZE(t) - VARHDRSZ;
char *ptr = VARDATA(t);
if (!PointerIsValid(t))
elog(WARN,"Null input to textlen");
while (i < max && *ptr++)
i++;
return i;
}
#endif
return (VARSIZE(t) - VARHDRSZ);
} /* textlen() */
/*
* textcat -