Add basename(3) and dirname(3) regression tests, from tbert.

OK otto@.

5 files changed, 170 insertions, 3 deletions

diff --git a/regress/lib/libc/Makefile b/regress/lib/libc/Makefile
index 04970c7e163..e3e29ddd692 100644
--- a/regress/lib/libc/Makefile
+++ b/regress/lib/libc/Makefile
@@ -1,7 +1,7 @@
-#	$OpenBSD: Makefile,v 1.24 2006/09/29 11:00:24 otto Exp $
+#	$OpenBSD: Makefile,v 1.25 2007/05/17 03:02:32 ray Exp $
 
-SUBDIR+= _setjmp alloca atexit db getaddrinfo getcap getopt_long hsearch longjmp
-SUBDIR+= locale malloc
+SUBDIR+= _setjmp alloca atexit basename db dirname getaddrinfo
+SUBDIR+= getcap getopt_long hsearch longjmp locale malloc
 SUBDIR+= netdb popen regex setjmp setjmp-signal sigreturn sigsetjmp
 SUBDIR+= sprintf strerror strtod strtonum telldir time vis
 
diff --git a/regress/lib/libc/basename/Makefile b/regress/lib/libc/basename/Makefile
new file mode 100644
index 00000000000..958b06fd11d
--- /dev/null
+++ b/regress/lib/libc/basename/Makefile
@@ -0,0 +1,3 @@
+PROG=basename_test
+
+.include <bsd.regress.mk>
diff --git a/regress/lib/libc/basename/basename_test.c b/regress/lib/libc/basename/basename_test.c
new file mode 100644
index 00000000000..34e138c726e
--- /dev/null
+++ b/regress/lib/libc/basename/basename_test.c
@@ -0,0 +1,79 @@
+/*
+ * Copyright (c) 2007 Bret S. Lambert <blambert@gsipt.net>
+ *
+ * Public domain.
+ */
+
+#include <sys/param.h>
+
+#include <libgen.h>
+#include <stdio.h>
+#include <string.h>
+#include <limits.h>
+#include <errno.h>
+
+int
+main(void)
+{
+	char path[2 * MAXPATHLEN];
+	const char *dir = "junk/";
+	const char *fname = "file.name.ext";
+	char *str;
+	int i;
+
+	/* Test normal functioning */
+	strlcpy(path, "/", sizeof(path));
+	strlcat(path, dir, sizeof(path)); 
+	strlcat(path, fname, sizeof(path));
+	str = basename(path);
+	if (strcmp(str, fname) != 0)
+		goto fail;
+
+	/*
+	 * There are four states that require special handling:
+	 *
+	 * 1) path is NULL
+	 * 2) path is the empty string
+	 * 3) path is composed entirely of slashes
+	 * 4) the resulting name is larger than MAXPATHLEN
+	 *
+	 * The first two cases require that a pointer
+	 * to the string "." be returned.
+	 *
+	 * The third case requires that a pointer
+	 * to the string "/" be returned.
+	 *
+	 * The final case requires that NULL be returned
+	 * and errno * be set to ENAMETOOLONG.
+	 */
+	/* Case 1 */
+	str = basename(NULL);
+	if (strcmp(str, ".") != 0)
+		goto fail;
+
+	/* Case 2 */
+	strlcpy(path, "", sizeof(path));
+	str = basename(path);
+	if (strcmp(str, ".") != 0)
+		goto fail;
+
+	/* Case 3 */
+	for (i = 0; i < MAXPATHLEN - 1; i++)
+		strlcat(path, "/", sizeof(path));	/* path cleared above */
+	str = basename(path);
+	if (strcmp(str, "/") != 0)
+		goto fail;
+
+	/* Case 4 */
+	strlcpy(path, "/", sizeof(path));
+	strlcat(path, dir, sizeof(path));
+	for (i = 0; i <= MAXPATHLEN; i += sizeof(fname))
+		strlcat(path, fname, sizeof(path));
+	str = basename(path);
+	if (str != NULL || errno != ENAMETOOLONG)
+		goto fail;
+
+	return (0);
+fail:
+	return (1);
+}
diff --git a/regress/lib/libc/dirname/Makefile b/regress/lib/libc/dirname/Makefile
new file mode 100644
index 00000000000..fc152df9545
--- /dev/null
+++ b/regress/lib/libc/dirname/Makefile
@@ -0,0 +1,3 @@
+PROG=dirname_test
+
+.include <bsd.regress.mk>
diff --git a/regress/lib/libc/dirname/dirname_test.c b/regress/lib/libc/dirname/dirname_test.c
new file mode 100644
index 00000000000..7d0b0e221f6
--- /dev/null
+++ b/regress/lib/libc/dirname/dirname_test.c
@@ -0,0 +1,82 @@
+/*
+ * Copyright (c) 2007 Bret S. Lambert <blambert@gsipt.net>
+ *
+ * Public domain.
+ */
+
+#include <sys/param.h>
+
+#include <libgen.h>
+#include <stdio.h>
+#include <string.h>
+#include <limits.h>
+#include <errno.h>
+
+int
+main(void)
+{
+	char path[2 * MAXPATHLEN];
+	char dname[128];
+	const char *dir = "junk";
+	const char *fname = "/file.name.ext";
+	char *str;
+	int i;
+
+	/* Test normal functioning */
+	strlcpy(path, "/", sizeof(path));
+	strlcpy(dname, "/", sizeof(dname));
+	strlcat(path, dir, sizeof(path)); 
+	strlcat(dname, dir, sizeof(dname)); 
+	strlcat(path, fname, sizeof(path));
+	str = dirname(path);
+	if (strcmp(str, dname) != 0)
+		goto fail;
+
+	/*
+	 * There are four states that require special handling:
+	 *
+	 * 1) path is NULL
+	 * 2) path is the empty string
+	 * 3) path is composed entirely of slashes
+	 * 4) the resulting name is larger than MAXPATHLEN
+	 *
+	 * The first two cases require that a pointer
+	 * to the string "." be returned.
+	 *
+	 * The third case requires that a pointer
+	 * to the string "/" be returned.
+	 *
+	 * The final case requires that NULL be returned
+	 * and errno * be set to ENAMETOOLONG.
+	 */
+	/* Case 1 */
+	str = dirname(NULL);
+	if (strcmp(str, ".") != 0)
+		goto fail;
+
+	/* Case 2 */
+	strlcpy(path, "", sizeof(path));
+	str = dirname(path);
+	if (strcmp(str, ".") != 0)
+		goto fail;
+
+	/* Case 3 */
+	for (i = 0; i < MAXPATHLEN - 1; i++)
+		strlcat(path, "/", sizeof(path));	/* path cleared above */
+	str = dirname(path);
+	if (strcmp(str, "/") != 0)
+		goto fail;
+
+	/* Case 4 */
+	strlcpy(path, "/", sizeof(path));		/* reset path */
+	for (i = 0; i <= MAXPATHLEN; i += sizeof(dir))
+		strlcat(path, dir, sizeof(path));
+	strlcat(path, fname, sizeof(path));
+	str = dirname(path);
+	if (str != NULL || errno != ENAMETOOLONG)
+		goto fail;
+
+	return (0);
+fail:
+	return (1);
+}