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

   test for closefrom() in compat code.

2 files changed, 65 insertions, 2 deletions

diff --git a/openbsd-compat/regress/Makefile.in b/openbsd-compat/regress/Makefile.in
index 51383a777..3a0a4c4da 100644
--- a/openbsd-compat/regress/Makefile.in
+++ b/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
 
diff --git a/openbsd-compat/regress/closefromtest.c b/openbsd-compat/regress/closefromtest.c
new file mode 100644
index 000000000..feb1b567d
--- /dev/null
+++ b/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");
+}