split from shHEADmaster

1 files changed, 70 insertions, 0 deletions

diff --git a/pwd.c b/pwd.c
new file mode 100644
index 0000000..25cf9b9
--- /dev/null
+++ b/pwd.c
@@ -0,0 +1,70 @@
+/*
+ * UNG's Not GNU
+ *
+ * Copyright (c) 2011-2020, Jakob Kaivo <jkk@ung.org>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#define _XOPEN_SOURCE 700
+#include <locale.h>
+#include <limits.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+int main(int argc, char *argv[])
+{
+	setlocale(LC_ALL, "");
+
+	enum { LOGICAL, PHYSICAL } output = LOGICAL;
+	int c;
+	while ((c = getopt(argc, argv, "LP")) != -1) {
+		switch (c) {
+		case 'L':
+			output = LOGICAL;
+			break;
+
+		case 'P':
+			output = PHYSICAL;
+			break;
+
+		default:
+			return 1;
+		}
+	}
+
+	char *pwd = getenv("PWD");
+	char cwd[PATH_MAX];
+	if (pwd == NULL || pwd[0] == '\0') {
+		pwd = getcwd(cwd, sizeof(cwd));
+	}
+
+	if (output == LOGICAL) {
+		/* TODO: remove dot and dot-dot */
+	}
+
+	if (output == PHYSICAL) {
+		/* TODO: get rid of symlinks */
+		/* TODO: clean up slashes */
+	}
+
+	printf("%s\n", pwd);
+	return 0;
+}