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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) 1996-2008, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California * 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 * static char *
_SPI_strdup(const char *s) _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; return ret;
} }