- (dtucker) [openbsd-compat/regress/{Makefile.in,closefromtest.c}] Regress

test for closefrom() in compat code.

ChangeLog

@@ -3,6 +3,8 @@
    Include stdlib.h for malloc and friends.
  - (dtucker) [configure.ac openbsd-compat/bsd-closefrom.c] Use F_CLOSEM fcntl
    for closefrom() on AIX.  Pointed out by William Ahern.
+ - (dtucker) [openbsd-compat/regress/{Makefile.in,closefromtest.c}] Regress
+   test for closefrom() in compat code.
 
 20060816
  - (djm) [audit-bsm.c] Sprinkle in some headers
@@ -5216,4 +5218,4 @@
    - (djm) Trim deprecated options from INSTALL. Mention UsePAM
    - (djm) Fix quote handling in sftp; Patch from admorten AT umich.edu
 
-$Id: ChangeLog,v 1.4481 2006/08/17 09:35:49 dtucker Exp $
+$Id: ChangeLog,v 1.4482 2006/08/17 09:40:35 dtucker Exp $

openbsd-compat/regress/Makefile.in

@@ -1,4 +1,4 @@
-# $Id: Makefile.in,v 1.1 2006/02/19 11:50:20 dtucker Exp $
+# $Id: Makefile.in,v 1.2 2006/08/17 09:40:35 dtucker Exp $
 
 sysconfdir=@sysconfdir@
 piddir=@piddir@
@@ -14,7 +14,7 @@ LIBS=@LIBS@
 LDFLAGS=-L.. -lopenbsd-compat @LDFLAGS@
 
 LIBCOMPAT=../libopenbsd-compat.a
-TESTPROGS=strtonumtest strduptest snprintftest
+TESTPROGS=closefromtest strtonumtest strduptest snprintftest
 
 all:	t-exec ${OTHERTESTS}
 
@@ -32,6 +32,9 @@ strtonumtest: strtonumtest.c $(LIBCOMPAT)
 strduptest: strduptest.c $(LIBCOMPAT)
 	$(CC) $(CFLAGS) $(CPPFLAGS) -o strduptest $< $(LDFLAGS)
 
+closefromtest: closefromtest.c $(LIBCOMPAT)
+	$(CC) $(CFLAGS) $(CPPFLAGS) -o closefromtest $< $(LDFLAGS)
+
 clean:
 	rm -f *.o *.a core $(TESTPROGS) valid.out
 

openbsd-compat/regress/closefromtest.c

@@ -0,0 +1,60 @@
+/*
+ * Copyright (c) 2006 Darren Tucker
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <sys/types.h>
+#include <sys/stat.h>
+
+#include <fcntl.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+#define NUM_OPENS 10
+
+void
+fail(char *msg)
+{
+	fprintf(stderr, "closefrom: %s\n", msg);
+	exit(1);
+}
+
+int
+main(void)
+{
+	int i, max, fds[NUM_OPENS];
+	char buf[512];
+
+	for (i = 0; i < NUM_OPENS; i++)
+		if ((fds[i] = open("/dev/null", "r")) == -1)
+			exit(0);	/* can't test */
+	max = i - 1;
+
+	/* should close last fd only */
+	closefrom(fds[max]);
+	if (close(fds[max]) != -1)
+		fail("failed to close highest fd");
+
+	/* make sure we can still use remaining descriptors */
+	for (i = 0; i < max; i++)
+		if (read(fds[i], buf, sizeof(buf)) == -1)
+			fail("closed descriptors it should not have");
+
+	/* should close all fds */
+	closefrom(fds[0]);
+	for (i = 0; i < NUM_OPENS; i++)
+		if (close(fds[i]) != -1)
+			fail("failed to close from lowest fd");
+}