directory: added inline wrappers for accessing children

src/directory.c

@@ -81,7 +81,7 @@ directory_get_directory(struct directory *directory, const char *name)
 	while (1) {
 		if (locate)
 			*locate = '\0';
-		if (!(found = dirvec_find(&cur->children, duplicated)))
+		if (!(found = directory_get_child(cur, duplicated)))
 			break;
 		assert(cur == found->parent);
 		cur = found;

src/directory.h

@@ -68,6 +68,20 @@ directory_get_path(struct directory *directory)
 	return directory->path;
 }
 
+static inline struct directory *
+directory_get_child(const struct directory *directory, const char *name)
+{
+	return dirvec_find(&directory->children, name);
+}
+
+static inline struct directory *
+directory_new_child(struct directory *directory, const char *name)
+{
+	struct directory *subdir = directory_new(name, directory);
+	dirvec_add(&directory->children, subdir);
+	return subdir;
+}
+
 void
 directory_prune_empty(struct directory *directory);
 

src/update.c

@@ -237,7 +237,7 @@ updateInDirectory(struct directory *directory, const char *name)
 			return UPDATE_RETURN_UPDATED;
 		}
 	} else if (S_ISDIR(st.st_mode)) {
-		struct directory *subdir = dirvec_find(&directory->children, name);
+		struct directory *subdir = directory_get_child(directory, name);
 		if (subdir) {
 			assert(directory == subdir->parent);
 			directory_set_stat(subdir, &st);
@@ -327,17 +327,16 @@ addDirectoryPathToDB(const char *utf8path)
 	if (!parentDirectory)
 		return NULL;
 
-	if ((directory = dirvec_find(&parentDirectory->children, utf8path))) {
+	if ((directory = directory_get_child(parentDirectory, utf8path))) {
 		assert(parentDirectory == directory->parent);
 	} else {
 		struct stat st;
 		if (myStat(utf8path, &st) < 0 ||
 		    inodeFoundInParent(parentDirectory, st.st_ino, st.st_dev))
 			return NULL;
-		else {
-			directory = directory_new(utf8path, parentDirectory);
-			dirvec_add(&parentDirectory->children, directory);
-		}
+
+		directory = directory_new_child(parentDirectory,
+						utf8path);
 	}
 
 	/* if we're adding directory paths, make sure to delete filenames