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authortjr <tjr@FreeBSD.org>2002-12-19 09:46:10 +0000
committertjr <tjr@FreeBSD.org>2002-12-19 09:46:10 +0000
commita585a3e1d1a16e8dd6bfbe1b7a95b77940fcc20d (patch)
treef0e9e220abcdaf285cb63c499771e93a8a4ac1ac /tools/regression
parent51fe7c1a888747c57136cc34ec54a93a0487b745 (diff)
downloadFreeBSD-src-a585a3e1d1a16e8dd6bfbe1b7a95b77940fcc20d.zip
FreeBSD-src-a585a3e1d1a16e8dd6bfbe1b7a95b77940fcc20d.tar.gz
Add a test program for perror() that demonstrates two bugs in the
current implementation.
Diffstat (limited to 'tools/regression')
-rw-r--r--tools/regression/lib/libc/stdio/Makefile11
-rw-r--r--tools/regression/lib/libc/stdio/test-perror.c105
2 files changed, 116 insertions, 0 deletions
diff --git a/tools/regression/lib/libc/stdio/Makefile b/tools/regression/lib/libc/stdio/Makefile
new file mode 100644
index 0000000..33d283e
--- /dev/null
+++ b/tools/regression/lib/libc/stdio/Makefile
@@ -0,0 +1,11 @@
+# $FreeBSD$
+
+TESTS= test-perror
+
+.PHONY: tests
+tests: ${TESTS}
+ for p in ${TESTS}; do ${.OBJDIR}/$$p; done
+
+.PHONY: clean
+clean:
+ -rm -f ${TESTS}
diff --git a/tools/regression/lib/libc/stdio/test-perror.c b/tools/regression/lib/libc/stdio/test-perror.c
new file mode 100644
index 0000000..7d83155
--- /dev/null
+++ b/tools/regression/lib/libc/stdio/test-perror.c
@@ -0,0 +1,105 @@
+/*-
+ * Copyright (c) 2002 Tim J. Robbins
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+/*
+ * Test program for perror() as specified by IEEE Std. 1003.1-2001 and
+ * ISO/IEC 9899:1999.
+ */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include <assert.h>
+#include <err.h>
+#include <errno.h>
+#include <limits.h>
+#include <paths.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+static void cleanup(void);
+static char tmpfil[PATH_MAX];
+
+int
+main(int argc, char *argv[])
+{
+ char lbuf[512];
+ int i;
+ char *s;
+
+ strcpy(tmpfil, _PATH_TMP "perror.XXXXXXXX");
+ if (mkstemp(tmpfil) < 0)
+ err(1, "mkstemp");
+ atexit(cleanup);
+ /* Reopen stderr on a file descriptor other than 2. */
+ fclose(stderr);
+ for (i = 0; i < 3; i++)
+ dup(0);
+ if (freopen(tmpfil, "r+", stderr) == NULL)
+ err(1, "%s", tmpfil);
+
+ /*
+ * Test that perror() doesn't call strerror() (4.4BSD bug),
+ * the two ways of omitting a program name, and the formatting when
+ * a program name is specified.
+ */
+ s = strerror(ENOENT);
+ assert(strcmp(s, "No such file or directory") == 0);
+ errno = EPERM;
+ perror(NULL);
+ perror("");
+ perror("test-perror");
+ assert(strcmp(s, "No such file or directory") == 0);
+
+ /*
+ * Read it back to check...
+ */
+ rewind(stderr);
+ s = fgets(lbuf, sizeof(lbuf), stderr);
+ assert(s != NULL);
+ assert(strcmp(s, "Operation not permitted\n") == 0);
+ s = fgets(lbuf, sizeof(lbuf), stderr);
+ assert(s != NULL);
+ assert(strcmp(s, "Operation not permitted\n") == 0);
+ s = fgets(lbuf, sizeof(lbuf), stderr);
+ assert(s != NULL);
+ assert(strcmp(s, "test-perror: Operation not permitted\n") == 0);
+ s = fgets(lbuf, sizeof(lbuf), stderr);
+ assert(s == NULL);
+ fclose(stderr);
+
+ printf("PASS perror()\n");
+
+ return (0);
+}
+
+static void
+cleanup(void)
+{
+
+ unlink(tmpfil);
+}
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