bfstd: New wrappers for dirname()/basename()

1 files changed, 57 insertions, 0 deletions

diff --git a/tests/bfstd.c b/tests/bfstd.c
new file mode 100644
index 0000000..4a8181b
--- /dev/null
+++ b/tests/bfstd.c
@@ -0,0 +1,57 @@
+/****************************************************************************
+ * bfs                                                                      *
+ * Copyright (C) 2022 Tavian Barnes <tavianator@tavianator.com>             *
+ *                                                                          *
+ * Permission to use, copy, modify, and/or distribute this software for any *
+ * purpose with or without fee is hereby granted.                           *
+ *                                                                          *
+ * 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 "../src/bfstd.h"
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+/** Check the result of xdirname()/xbasename(). */
+static void check_base_dir(const char *path, const char *dir, const char *base) {
+	char *xdir = xdirname(path);
+	if (!xdir) {
+		perror("xdirname()");
+		abort();
+	} else if (strcmp(xdir, dir) != 0) {
+		fprintf(stderr, "xdirname(\"%s\") == \"%s\" (!= \"%s\")\n", path, xdir, dir);
+		abort();
+	}
+	free(xdir);
+
+	char *xbase = xbasename(path);
+	if (!xbase) {
+		perror("xbasename()");
+		abort();
+	} else if (strcmp(xbase, base) != 0) {
+		fprintf(stderr, "xbasename(\"%s\") == \"%s\" (!= \"%s\")\n", path, xbase, base);
+		abort();
+	}
+	free(xbase);
+}
+
+int main(void) {
+	// From man 3p basename
+	check_base_dir("usr", ".", "usr");
+	check_base_dir("usr/", ".", "usr");
+	check_base_dir("", ".", ".");
+	check_base_dir("/", "/", "/");
+	// check_base_dir("//", "/" or "//", "/" or "//");
+	check_base_dir("///", "/", "/");
+	check_base_dir("/usr/", "/", "usr");
+	check_base_dir("/usr/lib", "/usr", "lib");
+	check_base_dir("//usr//lib//", "//usr", "lib");
+	check_base_dir("/home//dwc//test", "/home//dwc", "test");
+}