From d04fbb52b7d317f2487f27f18e182cfa89f0e9fe Mon Sep 17 00:00:00 2001
From: tnn <tnn@pkgsrc.org>
Date: Wed, 4 May 2016 02:43:31 +0000
Subject: [PATCH] avoid using mktemp since it triggers warnings

Bump rev.
---
 x11/libxshmfence/Makefile                    |  4 +--
 x11/libxshmfence/files/xshmfence_semaphore.c | 36 +++++++++++++++-----
 2 files changed, 29 insertions(+), 11 deletions(-)

diff --git a/x11/libxshmfence/Makefile b/x11/libxshmfence/Makefile
index 722cf76c9c3a..258aa18cd426 100644
--- a/x11/libxshmfence/Makefile
+++ b/x11/libxshmfence/Makefile
@@ -1,7 +1,7 @@
-# $NetBSD: Makefile,v 1.4 2015/09/24 23:57:27 tnn Exp $
+# $NetBSD: Makefile,v 1.5 2016/05/04 02:43:31 tnn Exp $
 
 DISTNAME=	libxshmfence-1.2
-PKGREVISION=	2
+PKGREVISION=	3
 CATEGORIES=	x11
 MASTER_SITES=	http://xorg.freedesktop.org/archive/individual/lib/
 EXTRACT_SUFX=	.tar.bz2
diff --git a/x11/libxshmfence/files/xshmfence_semaphore.c b/x11/libxshmfence/files/xshmfence_semaphore.c
index 330c09b64ba0..666f7c1f57e6 100644
--- a/x11/libxshmfence/files/xshmfence_semaphore.c
+++ b/x11/libxshmfence/files/xshmfence_semaphore.c
@@ -25,13 +25,16 @@
 #include "config.h"
 #endif
 
-#include <fcntl.h>
-#include <string.h>
 #include <err.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <stdio.h>
 #include <unistd.h>
 
 #include "xshmfenceint.h"
 
+static sem_t *mksemtemp(char *, const char *);
+
 #define LOCK() do {} while (sem_wait(f->lock) != 0)
 #define UNLOCK() do { sem_post(f->lock); } while (0)
 #define COND_WAIT() do {} while (sem_wait(f->cond) != 0)
@@ -155,16 +158,12 @@ xshmfence_init(int fd)
 	__sync_fetch_and_and(&f.triggered, 0);
 	__sync_fetch_and_and(&f.waiting, 0);
 	
-	strlcpy(f.lockname, "/xshmfl-XXXX", sizeof(f.lockname));
-	mktemp(f.lockname);
-	lock = sem_open(f.lockname, O_CREAT|O_EXCL, 0600, 1);
+	lock = mksemtemp(f.lockname, "/xshmfl-%i");
 	if (lock == SEM_FAILED) {
 		err(EXIT_FAILURE, "xshmfence_init: sem_open");
 	}
-	
-	strlcpy(f.condname, "/xshmfc-XXXX", sizeof(f.condname));
-	mktemp(f.condname);
-	cond = sem_open(f.condname, O_CREAT|O_EXCL, 0600, 0);
+
+	cond = mksemtemp(f.condname, "/xshmfl-%i");
 	if (cond == SEM_FAILED) {
 		err(EXIT_FAILURE, "xshmfence_init: sem_open");
 	}
@@ -221,3 +220,22 @@ xshmfence_close_semaphore(struct xshmfence *f)
 		sem_unlink(f->condname);
 	}
 }
+
+static sem_t *
+mksemtemp(char *name, const char *template)
+{
+	sem_t *ret;
+	pid_t p;
+	p = getpid();
+	for(;;) {
+		sprintf(name, template, p);
+		ret = sem_open(name, O_CREAT|O_EXCL, 0600, 1);
+		if (ret == SEM_FAILED) {
+			if (errno == EEXIST) {
+				p++;
+				continue;
+			}
+		}
+		return ret;
+	}
+}