1 files changed, 60 insertions, 0 deletions

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");
+}