Add mkdir.

1 files changed, 68 insertions, 0 deletions

diff --git a/toys/mkdir.c b/toys/mkdir.c
new file mode 100644
index 00000000..4c9f5451
--- /dev/null
+++ b/toys/mkdir.c
@@ -0,0 +1,68 @@
+/* vi: set sw=4 ts=4:
+ *
+ * mkdir.c - Make directories
+ *
+ * Copyright 2012 Georgi Chorbadzhiyski <georgi@unixsol.org>
+ *
+ * See http://pubs.opengroup.org/onlinepubs/009695399/utilities/mkdir.html
+ *
+ * TODO: Add -m
+
+USE_MKDIR(NEWTOY(mkdir, "<1p", TOYFLAG_BIN))
+
+config MKDIR
+	bool "mkdir"
+	default y
+	help
+	  usage: mkdir [-p] [dirname...]
+	  Create one or more directories.
+
+	  -p	make parent directories as needed.
+*/
+
+#include "toys.h"
+
+
+static int create_dir(const char *dir, mode_t mode) {
+	int ret = 0;
+	unsigned int i;
+
+	// Shortcut
+	if (strchr(dir, '/') == NULL || !toys.optflags)
+		return mkdir(dir, mode);
+
+	char *d = strdup(dir);
+	if (!d)
+		return -1;
+	unsigned int dlen = strlen(dir);
+
+	// Skip first char (it can be /)
+	for (i = 1; i < dlen; i++) {
+		if (d[i] != '/')
+			continue;
+		d[i] = '\0';
+		ret = mkdir(d, mode);
+		d[i] = '/';
+		if (ret < 0 && errno != EEXIST)
+			goto OUT;
+	}
+	ret = mkdir(d, mode);
+OUT:
+	free(d);
+	return ret;
+}
+
+void mkdir_main(void)
+{
+	char **s;
+	mode_t umask_val = umask(0);
+	mode_t dir_mode = (0777 & ~umask_val) | (S_IWUSR | S_IXUSR);
+	umask(umask_val);
+
+	for (s=toys.optargs; *s; s++) {
+		if (create_dir(*s, dir_mode) != 0) {
+			fprintf(stderr, "mkdir: cannot create directory '%s': %s\n", *s, strerror(errno));
+			toys.exitval = 1;
+		}
+	}
+}