Sort directories alphabetically in the http servers

console/console/console_httpd.c

@@ -630,8 +630,8 @@ int list_dir(struct libwebsocket_context *context, struct libwebsocket *wsi, cha
 {
 	unsigned char *outdata = malloc(1000);
 	size_t pos = 0;
-	DIR *dir;
-	struct dirent *dirent;
+	struct dirent **namelist;
+	int n, i;
 	unsigned char *h = outdata;
 	char *server = "console_httpd libwebsockets";
 	char *type = "text/html";
@@ -655,29 +655,26 @@ int list_dir(struct libwebsocket_context *context, struct libwebsocket *wsi, cha
 	outdata = NULL;
 	pos = 0;
 
-	dir = opendir(resource_path);
-	printf("dir: %p\n", dir);
-
-	while (dir) {
+	n = scandir(resource_path, &namelist, NULL, alphasort);
+	for (i = 0; i < n; i++) {
 		errno = 0;
-		if ((dirent = readdir(dir)) != NULL) {
-			if (dirent->d_type != DT_REG) {
-				printf("%s is not a regular file\n", dirent->d_name);
-				continue;
-			}
-				
-			char *line;
-			asprintf(&line, "<a href='%s'>%s</a><br>\n", dirent->d_name, dirent->d_name);
-			
-			outdata = realloc(outdata, pos + strlen(line) + 1);
-			strcpy((char*)outdata + pos, line);
-			pos += strlen(line);
-			free(line);
-		} else {
-			closedir(dir);
-			dir = NULL;
+
+		if (namelist[i]->d_type != DT_REG) {
+			printf("%s is not a regular file\n", namelist[i]->d_name);
+			continue;
 		}
+				
+		char *line;
+		asprintf(&line, "<a href='%s'>%s</a><br>\n", 
+		    namelist[i]->d_name, namelist[i]->d_name);
+		
+		outdata = realloc(outdata, pos + strlen(line) + 1);
+		strcpy((char*)outdata + pos, line);
+		pos += strlen(line);
+		free(line);
 	}
+	if (n >= 0)
+		free(namelist);
 	
 	if (!lws_send_pipe_choked(wsi))
 		libwebsocket_write(wsi, outdata, pos, LWS_WRITE_HTTP);