New upstream version 1.2.2

[sven/exfatprogs.git] / include / exfat_dir.h

diff --git a/include/exfat_dir.h b/include/exfat_dir.h
index 12e154600b1f28747b6cd3f356e534a8a835b468..d450c61000cbc8c9e978c00a1dff7da57561228c 100644 (file)
--- a/include/exfat_dir.h
+++ b/include/exfat_dir.h
@@ -25,13 +25,16 @@ struct exfat_de_iter {
        off_t                   de_file_offset;
        off_t                   next_read_offset;
        int                     max_skip_dentries;
-#define DOT_NAME_NUM_MAX       9999999
-       unsigned int            dot_name_num;
+#define INVALID_NAME_NUM_MAX   9999999
+       unsigned int            invalid_name_num;
+
+       char *name_hash_bitmap;         /* bitmap of children's name hashes */
 };
 
 struct exfat_lookup_filter {
        struct {
                uint8_t         type;
+               int             dentry_count;
                /* return 0 if matched, return 1 if not matched,
                 * otherwise return errno
                 */
@@ -43,8 +46,15 @@ struct exfat_lookup_filter {
                struct exfat_dentry     *dentry_set;
                int                     dentry_count;
                off_t                   file_offset;
-               /* device offset where the dentry_set locates, or
-                * the empty slot locates or EOF if not found.
+               /*
+                * If the dentry_set found:
+                *   - device offset where the dentry_set locates.
+                * If the dentry_set not found:
+                *   - device offset where the first empty dentry_set locates
+                *     if in.dentry_count > 0 and there are enough empty dentry.
+                *   - device offset where the last empty dentry_set locates
+                *     if in.dentry_count = 0 or no enough empty dentry.
+                *   - EOF if no empty dentry_set.
                 */
                off_t                   dev_offset;
        } out;
@@ -65,6 +75,10 @@ int exfat_lookup_dentry_set(struct exfat *exfat, struct exfat_inode *parent,
                            struct exfat_lookup_filter *filter);
 int exfat_lookup_file(struct exfat *exfat, struct exfat_inode *parent,
                      const char *name, struct exfat_lookup_filter *filter_out);
+int exfat_lookup_file_by_utf16name(struct exfat *exfat,
+                                struct exfat_inode *parent,
+                                __le16 *utf16_name,
+                                struct exfat_lookup_filter *filter_out);
 
 int exfat_create_file(struct exfat *exfat, struct exfat_inode *parent,
                      const char *name, unsigned short attr);
@@ -75,7 +89,6 @@ int exfat_update_file_dentry_set(struct exfat *exfat,
 int exfat_build_file_dentry_set(struct exfat *exfat, const char *name,
                                unsigned short attr, struct exfat_dentry **dentry_set,
                                int *dentry_count);
-int exfat_find_free_cluster(struct exfat *exfat, clus_t start, clus_t *new_clu);
 int exfat_add_dentry_set(struct exfat *exfat, struct exfat_dentry_loc *loc,
                         struct exfat_dentry *dset, int dcount,
                         bool need_next_loc);