Use bool type in fetch_next_entry().

diff --git a/libexfat/node.c b/libexfat/node.c
index 8dd946f..96c312a 100644 (file)
--- a/libexfat/node.c
+++ b/libexfat/node.c
@@ -124,7 +124,7 @@ static void closedir(struct iterator* it)
        it->chunk = NULL;
 }
 
-static int fetch_next_entry(struct exfat* ef, const struct exfat_node* parent,
+static bool fetch_next_entry(struct exfat* ef, const struct exfat_node* parent,
                struct iterator* it)
 {
        /* move iterator to the next entry in the directory */
@@ -135,23 +135,23 @@ static int fetch_next_entry(struct exfat* ef, const struct exfat_node* parent,
                /* reached the end of directory; the caller should check this
                   condition too */
                if (it->offset >= parent->size)
-                       return 0;
+                       return true;
                it->cluster = exfat_next_cluster(ef, parent, it->cluster);
                if (CLUSTER_INVALID(it->cluster))
                {
                        exfat_error("invalid cluster 0x%x while reading directory",
                                        it->cluster);
-                       return 1;
+                       return false;
                }
                if (exfat_pread(ef->dev, it->chunk, CLUSTER_SIZE(*ef->sb),
                                exfat_c2o(ef, it->cluster)) < 0)
                {
                        exfat_error("failed to read the next directory cluster %#x",
                                        it->cluster);
-                       return 1;
+                       return false;
                }
        }
-       return 0;
+       return true;
 }
 
 static struct exfat_node* allocate_node(void)
@@ -355,7 +355,7 @@ static int readdir(struct exfat* ef, const struct exfat_node* parent,
                                if (!check_node(*node, actual_checksum, reference_checksum,
                                                valid_size))
                                        goto error;
-                               if (fetch_next_entry(ef, parent, it) != 0)
+                               if (!fetch_next_entry(ef, parent, it))
                                        goto error;
                                return 0; /* entry completed */
                        }
@@ -462,7 +462,7 @@ static int readdir(struct exfat* ef, const struct exfat_node* parent,
                        break;
                }
 
-               if (fetch_next_entry(ef, parent, it) != 0)
+               if (!fetch_next_entry(ef, parent, it))
                        goto error;
        }
        /* we never reach here */
@@ -832,7 +832,7 @@ static int find_slot(struct exfat* ef, struct exfat_node* dir,
                                return rc;
                        }
                }
-               if (fetch_next_entry(ef, dir, &it) != 0)
+               if (!fetch_next_entry(ef, dir, &it))
                {
                        closedir(&it);
                        return -EIO;
@@ -1192,7 +1192,7 @@ static int find_label(struct exfat* ef, cluster_t* cluster, off_t* offset)
                        return 0;
                }
 
-               if (fetch_next_entry(ef, ef->root, &it) != 0)
+               if (!fetch_next_entry(ef, ef->root, &it))
                {
                        closedir(&it);
                        return -EIO;