1 files changed, 60 insertions, 0 deletions
diff --git a/src/commands/mkdir.c b/src/commands/mkdir.c
new file mode 100644
index 0000000..3ff1afd
--- /dev/null
+++ b/src/commands/mkdir.c
@@ -0,0 +1,60 @@
+#include "../command.h"
+
+static struct {
+    bool make_parent;
+    mode_t mode;
+} flags;
+
+static int short_arg(char c, char* next) {
+    switch (c) {
+        case 'p':
+            flags.make_parent = true;
+            break;
+        case 'm':
+            check_arg(next);
+            flags.mode = get_mode(next);
+            return ARG_USED;
+        default:
+            return ARG_INVALID;
+    }
+    return ARG_UNUSED;
+}
+
+static void help(void) {
+    printf("Usage: mkdir [-m MODE] [-p] DIRECTORY...\n\n");
+    printf("Create DIRECTORY\n\n");
+    printf("\t-m\tMODE\n");
+    printf("\t-p\tNo error if exists; make parent directories as needed\n");
+}
+
+static bool mkdir_parents(char* path) {
+    for (size_t i = 1; i < strlen(path); i++) {
+        if (path[i] != '/') continue;
+        path[i] = '\0';
+        if (mkdir(path, flags.mode) < 0 && errno != EEXIST) {
+            error_s("failed to create directory '%s': %s", path, strerror(errno));
+            return false;
+        };
+        path[i] = '/';
+    }
+    return true;
+}
+
+COMMAND(makedir) {
+    if (argc < 1) global_help(help);
+
+    flags.make_parent = false;
+    flags.mode = 0755;
+    int start = parse_args(argc, argv, help, short_arg, NULL);
+
+    for (int i = start; i < argc; i++) {
+        if (flags.make_parent && !mkdir_parents(argv[i])) {
+            continue;
+        }
+        if (mkdir(argv[i], flags.mode) < 0) {
+            error_s("failed to create directory '%s': %s", argv[i], strerror(errno));
+        }
+    }
+
+    return EXIT_SUCCESS;
+}