Whamcloud - gitweb
debian: drop libattr1-dev from the build dependencies list
[tools/e2fsprogs.git] / misc / create_inode.c
index 6621b0a..e8d1df6 100644 (file)
@@ -19,6 +19,7 @@
 #include <sys/types.h>
 #include <unistd.h>
 #include <limits.h> /* for PATH_MAX */
+#include <dirent.h> /* for scandir() and alphasort() */
 #if defined HAVE_SYS_XATTR_H
 #include <sys/xattr.h>
 #elif defined HAVE_ATTR_XATTR_H
@@ -120,8 +121,10 @@ static errcode_t set_inode_extra(ext2_filsys fs, ext2_ino_t ino,
        }
 
        inode.i_uid = st->st_uid;
+       ext2fs_set_i_uid_high(inode, st->st_uid >> 16);
        inode.i_gid = st->st_gid;
-       inode.i_mode |= st->st_mode;
+       ext2fs_set_i_gid_high(inode, st->st_gid >> 16);
+       inode.i_mode = (LINUX_S_IFMT & inode.i_mode) | (~S_IFMT & st->st_mode);
        inode.i_atime = st->st_atime;
        inode.i_mtime = st->st_mtime;
        inode.i_ctime = st->st_ctime;
@@ -142,6 +145,9 @@ static errcode_t set_inode_xattr(ext2_filsys fs, ext2_ino_t ino,
        char                            *list = NULL;
        int                             i;
 
+       if (no_copy_xattrs)
+               return 0;
+
        size = llistxattr(filename, NULL, 0);
        if (size == -1) {
                retval = errno;
@@ -435,8 +441,8 @@ static errcode_t copy_file_chunk(ext2_filsys fs, int fd, ext2_file_t e2_file,
                                ptr += blen;
                                continue;
                        }
-                       err = ext2fs_file_lseek(e2_file, off + bpos,
-                                               EXT2_SEEK_SET, NULL);
+                       err = ext2fs_file_llseek(e2_file, off + bpos,
+                                                EXT2_SEEK_SET, NULL);
                        if (err)
                                goto fail;
                        while (blen > 0) {
@@ -477,8 +483,9 @@ static errcode_t try_lseek_copy(ext2_filsys fs, int fd, struct stat *statbuf,
                if (hole < 0)
                        return EXT2_ET_UNIMPLEMENTED;
 
-               data_blk = data & ~(fs->blocksize - 1);
-               hole_blk = (hole + (fs->blocksize - 1)) & ~(fs->blocksize - 1);
+               data_blk = data & ~(off_t)(fs->blocksize - 1);
+               hole_blk = ((hole + (off_t)(fs->blocksize - 1)) &
+                           ~(off_t)(fs->blocksize - 1));
                err = copy_file_chunk(fs, fd, e2_file, data_blk, hole_blk, buf,
                                      zerobuf);
                if (err)
@@ -594,7 +601,7 @@ out:
        return err;
 }
 
-static int is_hardlink(struct hdlinks_s *hdlinks, dev_t dev, ino_t ino)
+static int is_hardlink(struct hdlinks_s *hdlinks, dev_t dev, ext2_ino_t ino)
 {
        int i;
 
@@ -655,7 +662,7 @@ errcode_t do_write_internal(ext2_filsys fs, ext2_ino_t cwd, const char *src,
                com_err(__func__, 0, "Warning: inode already set");
        ext2fs_inode_alloc_stats2(fs, newfile, +1, 0);
        memset(&inode, 0, sizeof(inode));
-       inode.i_mode = (statbuf.st_mode & ~LINUX_S_IFMT) | LINUX_S_IFREG;
+       inode.i_mode = (statbuf.st_mode & ~S_IFMT) | LINUX_S_IFREG;
        inode.i_atime = inode.i_ctime = inode.i_mtime =
                fs->now ? fs->now : time(0);
        inode.i_links_count = 1;
@@ -701,17 +708,81 @@ struct file_info {
 static errcode_t path_append(struct file_info *target, const char *file)
 {
        if (strlen(file) + target->path_len + 1 > target->path_max_len) {
+               void *p;
                target->path_max_len *= 2;
-               target->path = realloc(target->path, target->path_max_len);
-               if (!target->path)
+               p = realloc(target->path, target->path_max_len);
+               if (p == NULL)
                        return EXT2_ET_NO_MEMORY;
+               target->path = p;
        }
        target->path_len += sprintf(target->path + target->path_len, "/%s",
                                    file);
        return 0;
 }
 
-/* Copy files from source_dir to fs */
+#ifdef _WIN32
+static int scandir(const char *dir_name, struct dirent ***name_list,
+                  int (*filter)(const struct dirent*),
+                  int (*compar)(const struct dirent**, const struct dirent**)) {
+       DIR *dir;
+       struct dirent *dent;
+       struct dirent **temp_list = NULL;
+       size_t temp_list_size = 0; // unit: num of dirent
+       size_t num_dent = 0;
+
+       dir = opendir(dir_name);
+       if (dir == NULL) {
+               return -1;
+       }
+
+       while ((dent = readdir(dir))) {
+               if (filter != NULL && !(*filter)(dent))
+                       continue;
+
+               // re-allocate the list
+               if (num_dent == temp_list_size) {
+                       size_t new_list_size = temp_list_size + 32;
+                       struct dirent **new_list = (struct dirent**)realloc(
+                               temp_list, new_list_size * sizeof(struct dirent*));
+                       if (new_list == NULL) {
+                               goto out;
+                       }
+                       temp_list_size = new_list_size;
+                       temp_list = new_list;
+               }
+               // add the copy of dirent to the list
+               temp_list[num_dent] = (struct dirent*)malloc((dent->d_reclen + 3) & ~3);
+               memcpy(temp_list[num_dent], dent, dent->d_reclen);
+               num_dent++;
+       }
+
+       if (compar != NULL) {
+               qsort(temp_list, num_dent, sizeof(struct dirent*),
+                     (int (*)(const void*, const void*))compar);
+       }
+
+        // release the temp list
+       *name_list = temp_list;
+       temp_list = NULL;
+
+out:
+       if (temp_list != NULL) {
+               while (num_dent > 0) {
+                       free(temp_list[--num_dent]);
+               }
+               free(temp_list);
+               num_dent = -1;
+       }
+       closedir(dir);
+       return num_dent;
+}
+
+static int alphasort(const struct dirent **a, const struct dirent **b) {
+       return strcoll((*a)->d_name, (*b)->d_name);
+}
+#endif
+
+/* Copy files from source_dir to fs in alphabetical order */
 static errcode_t __populate_fs(ext2_filsys fs, ext2_ino_t parent_ino,
                               const char *source_dir, ext2_ino_t root,
                               struct hdlinks_s *hdlinks,
@@ -719,8 +790,7 @@ static errcode_t __populate_fs(ext2_filsys fs, ext2_ino_t parent_ino,
                               struct fs_ops_callbacks *fs_callbacks)
 {
        const char      *name;
-       DIR             *dh;
-       struct dirent   *dent;
+       struct dirent   **dent;
        struct stat     st;
        char            *ln_target = NULL;
        unsigned int    save_inode;
@@ -729,6 +799,7 @@ static errcode_t __populate_fs(ext2_filsys fs, ext2_ino_t parent_ino,
        int             read_cnt;
        int             hdlink;
        size_t          cur_dir_path_len;
+       int             i, num_dents;
 
        if (chdir(source_dir) < 0) {
                retval = errno;
@@ -738,24 +809,25 @@ static errcode_t __populate_fs(ext2_filsys fs, ext2_ino_t parent_ino,
                return retval;
        }
 
-       if (!(dh = opendir("."))) {
+       num_dents = scandir(".", &dent, NULL, alphasort);
+
+       if (num_dents < 0) {
                retval = errno;
                com_err(__func__, retval,
-                       _("while opening directory \"%s\""), source_dir);
+                       _("while scanning directory \"%s\""), source_dir);
                return retval;
        }
 
-       while ((dent = readdir(dh))) {
-               if ((!strcmp(dent->d_name, ".")) ||
-                   (!strcmp(dent->d_name, "..")))
+       for (i = 0; i < num_dents; free(dent[i]), i++) {
+               name = dent[i]->d_name;
+               if ((!strcmp(name, ".")) || (!strcmp(name, "..")))
                        continue;
-               if (lstat(dent->d_name, &st)) {
+               if (lstat(name, &st)) {
                        retval = errno;
                        com_err(__func__, retval, _("while lstat \"%s\""),
-                               dent->d_name);
+                               name);
                        goto out;
                }
-               name = dent->d_name;
 
                /* Check for hardlinks */
                save_inode = 0;
@@ -947,7 +1019,8 @@ find_lnf:
        }
 
 out:
-       closedir(dh);
+       for (; i < num_dents; free(dent[i]), i++);
+       free(dent);
        return retval;
 }