Implemented mkdir

src/mkdir/mkdir.c

@@ -1,6 +1,108 @@
+#include "cgetopt.h"
+#include <ctype.h>
+#include <errno.h>
 #include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
 
-int main(void) {
-  printf("Hello, World!\n");
-  return 0;
+#include <sys/stat.h>
+#include <sys/types.h>
+
+#define NAME "mkdir (canoutils)"
+#define AUTHOR "Hoorad Farrokh (proh14)"
+#define VERSION "1.0.0"
+
+#include "version_info.h"
+
+static const struct option longopts[] = {
+    {"help", no_argument, NULL, -1},        {"version", no_argument, NULL, -2},
+    {"parent", no_argument, NULL, 'p'},     {"verbose", no_argument, NULL, 'v'},
+    {"mode", required_argument, NULL, 'm'}, {NULL, 0, NULL, 0}};
+
+static mode_t mode = 0777;
+static int pflag = 0;
+static int vflag = 0;
+
+// TODO: implement getmode and setmode functions from bsd to support symbolic
+int str_to_mode(const char *str, mode_t *mode) {
+  char *endptr = NULL;
+  *mode = (mode_t)strtol(str, &endptr, 8);
+  if (!endptr)
+    return 0;
+  while (isspace(*endptr))
+    endptr++;
+  return *endptr == '\0' && (int)*mode < 010000;
+}
+
+static void make_dir(const char *path) {
+  if (mkdir(path, mode) == -1) {
+    if (!pflag || (errno != ENOENT && pflag)) {
+      fprintf(stderr, "mkdir: cannot create directory '%s': %s \n", path,
+              strerror(errno));
+    }
+    return;
+  }
+  if (vflag)
+    printf("mkdir: created directory '%s'\n", path);
+}
+
+static void pmake_dir(char *path) {
+  char *slash = path;
+  for (;;) {
+    slash += strspn(slash, "/");
+    slash += strcspn(slash, "/");
+    int exit = *slash == '\0';
+    *slash = '\0';
+    make_dir(path);
+    *slash = '/';
+    if (exit)
+      return;
+  }
+}
+
+static void print_usage(void) {
+  printf("Usage: mkdir [OPTION]... DIRECTORY...\n");
+}
+
+int main(int argc, char **argv) {
+  int ch;
+
+  while ((ch = getopt_long(argc, argv, "pvm:", longopts, NULL)) != -1) {
+    switch (ch) {
+    case 'p':
+      pflag = 1;
+      break;
+    case 'v':
+      vflag = 1;
+      break;
+    case 'm':
+      if (!str_to_mode(optarg, &mode)) {
+        fprintf(stderr, "Invalid mode: %s\n", optarg);
+        return EXIT_FAILURE;
+      }
+      break;
+    case -1:
+      print_usage();
+      break;
+    case -2:
+      print_version();
+      break;
+    default:
+      print_usage();
+      return EXIT_FAILURE;
+      break;
+    }
+  }
+
+  argv += optind;
+  argc -= optind;
+
+  for (int i = 0; i < argc; i++) {
+    if (pflag)
+      pmake_dir(argv[i]);
+    else
+      make_dir(argv[i]);
+  }
+
+  return EXIT_SUCCESS;
 }