Minor perf tweak for _SPI_strdup(): if we're going to call strlen()

anyway, it is faster to memcpy() than to strcpy().
This commit is contained in:
Neil Conway 2008-01-12 10:38:32 +00:00
parent 208d0a2321
commit 25b7583f67

View File

@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2008, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/backend/utils/adt/xml.c,v 1.64 2008/01/01 19:45:53 momjian Exp $
* $PostgreSQL: pgsql/src/backend/utils/adt/xml.c,v 1.65 2008/01/12 10:38:32 neilc Exp $
*
*-------------------------------------------------------------------------
*/
@ -1821,9 +1821,10 @@ map_sql_value_to_xml_value(Datum value, Oid type)
static char *
_SPI_strdup(const char *s)
{
char *ret = SPI_palloc(strlen(s) + 1);
size_t len = strlen(s) + 1;
char *ret = SPI_palloc(len);
strcpy(ret, s);
memcpy(ret, s, len);
return ret;
}