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Add memcmp() test and new memcmp.c file, for SunOS. Tested by Tatsuo.

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This commit is contained in:
Bruce Momjian
2001-12-20 21:23:05 +00:00
parent 960f6a5fdf
commit 8799d84603
6 changed files with 265 additions and 158 deletions
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3
src/Makefile.global.in
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@ -1,5 +1,5 @@
# -*-makefile-*-
# $Header: /cvsroot/pgsql/src/Makefile.global.in,v 1.140 2001/10/13 15:24:23 tgl Exp $
# $Header: /cvsroot/pgsql/src/Makefile.global.in,v 1.141 2001/12/20 21:23:05 momjian Exp $
#------------------------------------------------------------------------------
# All PostgreSQL makefiles include this file and use the variables it sets,
@ -328,6 +328,7 @@ INET_ATON = @INET_ATON@
STRERROR = @STRERROR@
SNPRINTF = @SNPRINTF@
STRDUP = @STRDUP@
MEMCMP = @MEMCMP@
STRTOUL = @STRTOUL@

4
src/backend/port/Makefile.in
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@ -13,7 +13,7 @@
# be converted to Method 2.
#
# IDENTIFICATION
# $Header: /cvsroot/pgsql/src/backend/port/Attic/Makefile.in,v 1.29 2001/05/08 19:38:57 petere Exp $
# $Header: /cvsroot/pgsql/src/backend/port/Attic/Makefile.in,v 1.30 2001/12/20 21:23:05 momjian Exp $
#
#-------------------------------------------------------------------------
@ -22,7 +22,7 @@ top_builddir = ../../..
include $(top_builddir)/src/Makefile.global
OBJS = dynloader.o @INET_ATON@ @STRERROR@ @MISSING_RANDOM@ @SRANDOM@
OBJS+= @GETHOSTNAME@ @GETRUSAGE@ @STRCASECMP@ @TAS@ @ISINF@
OBJS+= @GETHOSTNAME@ @GETRUSAGE@ @MEMCMP@ @STRCASECMP@ @TAS@ @ISINF@
OBJS+= @STRTOL@ @STRTOUL@ @SNPRINTF@
ifdef STRDUP
OBJS += $(top_builddir)/src/utils/strdup.o

36
src/backend/port/memcmp.c Normal file
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@ -0,0 +1,36 @@
/*-------------------------------------------------------------------------
*
* memcmp.c
* compares memory bytes
*
* Portions Copyright (c) 1996-2001, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/port/Attic/memcmp.c,v 1.1 2001/12/20 21:23:05 momjian Exp $
*
* This file was taken from NetBSD and is used by SunOS because memcmp
* on that platform does not properly compare negative bytes.
*
*-------------------------------------------------------------------------
*/
#include <string.h>
/*
* Compare memory regions.
*/
int
memcmp(const void *s1, const void *s2, size_t n)
{
if (n != 0) {
const unsigned char *p1 = s1, *p2 = s2;
do {
if (*p1++ != *p2++)
return (*--p1 - *--p2);
} while (--n != 0);
}
return 0;
}