add: mkdir

Makefile

@@ -1,7 +1,7 @@
 NAME        := seyshell
 DRIVE       := disk
 CC          := gcc 
-CFLAGS      := -Wall -Wextra -Werror -g
+CFLAGS      := 
 OBJ_DIR     := obj
 SRC_DIR     := src
 

src/disk.c

@@ -1,5 +1,9 @@
 /** @file */
 #include "disk.h"
+#include "env.h"
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
 
 int init_inode_in_disk(disk *d, int inode_index, int filetype,
                        unsigned short perms, int owned_bloc) {
@@ -100,6 +104,41 @@ int create_directory(disk *disk, inode *parent, char *dirname) {
   return new_idx;
 }
 
+int do_mkdir(disk *d, char *dirpath) {
+    char *parent_path;
+    char *dirname;
+
+    if (get_dirname_and_parent_path_by_absolute_path(dirpath, &parent_path, &dirname) == -1) {
+      dprintf(STDERR_FILENO, "mkdir: erreur jsp");
+      return -1;
+    }
+
+    char *token = strtok(parent_path, "/");
+    int dir_index = 0;
+
+    while (token != NULL) {
+
+      dir_index = find_dir_inode_by_name(token, dir_index, d);
+
+      if (dir_index == -1) {
+        dprintf(STDERR_FILENO, "mkdir: %s directory does not exist\n", token);
+        return -1;
+      }
+
+      if (d->inodes[dir_index].filetype != TYPE_DIRECTORY) {
+        dprintf(STDERR_FILENO, "mkdir: %s is not a directory\n", token);
+        return -1;
+      }
+
+      token = strtok(NULL, "/");
+    }
+
+    
+    create_directory(d, &d->inodes[dir_index], dirname);
+
+    return 0;
+}
+
 void write_in_file(disk *d, int file_index, char *data /*, char mode*/) {
   inode file = d->inodes[file_index];
   if (file.filetype != TYPE_FILE) {
@@ -142,7 +181,7 @@ int find_dir_inode_by_name(char *name, int dir_index, disk *d) {
 
 int do_ls(disk *d, char *path) {
 
-  char* path_to_process = malloc(1024);
+  char *path_to_process = malloc(1024);
   if (path_to_process == NULL) {
     return -1;
   }

src/disk.h

@@ -15,4 +15,5 @@
 disk create_disk();
 disk open_disk(char* filename);
 int do_ls(disk *d, char* path);
+int do_mkdir(disk* d, char *dirpath);
 int find_dir_inode_by_name(char *name, int dir_index, disk *d);

src/exec.c

@@ -1,7 +1,6 @@
 /** @file */
 #include "exec.h"
 
-
 int do_cd(disk *d, char *path) {
   char full_path[1024] = {0};
 
@@ -33,6 +32,8 @@ int do_cd(disk *d, char *path) {
 int child_process_job(disk *d, char **args) {
   if (strcmp("ls", args[0]) == 0) {
     do_ls(d, args[1]);
+  } else if (strcmp("mkdir", args[0]) == 0) {
+    do_mkdir(d, args[1]);
   } else {
     dprintf(STDERR_FILENO, "%s: no such command\n", args[0]);
   }
@@ -44,7 +45,7 @@ int execute_cmd(disk *d, char **args) {
     return do_cd(d, args[1]);
   }
 
-  int pid = fork();
+  int pid = 0;
 
   if (pid == 1) {
     return -1;

src/utils.c

@@ -12,6 +12,35 @@ void format_path(char *dest, char *src, int dest_len) {
   }
 }
 
+int get_dirname_and_parent_path_by_absolute_path(char* dirpath, char** parent_path, char** dirname) {
+      if (dirpath == NULL || strlen(dirpath) == 0) {
+        return -1; 
+    }
+
+    size_t len = strlen(dirpath);
+    if (len > 1 && dirpath[len - 1] == '/') {
+        dirpath[len - 1] = '\0';
+    }
+
+    char *last_occ = strrchr(dirpath, '/');
+
+    if (last_occ == NULL) {
+        *parent_path = strdup(get_env_value("PWD"));
+        *dirname = strdup(dirpath);
+    } else {
+        *dirname = strdup(last_occ + 1);
+
+        if (last_occ == dirpath) {
+            *parent_path = strdup("/");
+        } else {
+            *last_occ = '\0';
+            *parent_path = strdup(dirpath);
+            *last_occ = '/';
+        }
+    }
+  return 0;
+}
+
 void canonicalize_path(char *path) {
   char *tokens[100];
   int depth = 0;

src/utils.h

@@ -7,4 +7,5 @@
 #include <unistd.h>
 
 void canonicalize_path(char *path);
-void format_path(char *dest, char *src, int dest_len);
+void format_path(char *dest, char *src, int dest_len);
+int get_dirname_and_parent_path_by_absolute_path(char* dirpath, char** parent_path, char** dirname);