From 9ccd9a3fec9a65b6f58d5a61a7d3ecca9e5d7011 Mon Sep 17 00:00:00 2001
From: P. J. McDermott <pj@pehjota.net>
Date: Sat, 07 Aug 2021 17:43:17 -0400
Subject: menu: Save seed buffer

---
(limited to 'src')

diff --git a/src/menu.c b/src/menu.c
index 64f6c4e..91a4aa9 100644
--- a/src/menu.c
+++ b/src/menu.c
@@ -35,6 +35,7 @@
 const int MF_MENU_SIZES_[] = {15, 20, 30};
 
 struct _mf_menu {
+	char         *seed_buf;
 	long          seed;
 	int           size;
 	int           fow;
@@ -105,7 +106,6 @@ _mf_menu_form(SDL_Renderer *renderer, TTF_Font *text_font,
 	SDL_Color           chkb_color;
 	SDL_Color           chkm_color;
 	double              rand_max_len;
-	char               *seed_buf;
 	struct mftk_widget *grid;
 
 	butn_color.r = MF_COLOR_BUTN_R, butn_color.g = MF_COLOR_BUTN_G;
@@ -116,8 +116,9 @@ _mf_menu_form(SDL_Renderer *renderer, TTF_Font *text_font,
 	chkm_color.b = MF_COLOR_CHKM_B, chkm_color.a = MF_COLOR_CHKM_A;
 
 	rand_max_len = ceil(log10(RAND_MAX));
-	seed_buf = calloc(rand_max_len + 1, sizeof(*seed_buf));
-	if (seed_buf == NULL || sprintf(seed_buf, "%ld", menu->seed) < 0) {
+	menu->seed_buf = calloc(rand_max_len + 1, sizeof(*menu->seed_buf));
+	if (menu->seed_buf == NULL || sprintf(menu->seed_buf, "%ld", menu->seed)
+			< 0) {
 		SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
 				"Couldn't allocate string: %s",
 				strerror(errno));
@@ -127,7 +128,7 @@ _mf_menu_form(SDL_Renderer *renderer, TTF_Font *text_font,
 	grid = mftk_grid_new(5, 2, MF_ROW_M, MF_COL_M,
 			mftk_label_new(text_font, "Seed", text_color, renderer),
 				MFTK_GRID_HALIGN_R|MFTK_GRID_VALIGN_T,
-			mftk_text_new('0', '9', rand_max_len, seed_buf,
+			mftk_text_new('0', '9', rand_max_len, menu->seed_buf,
 				text_font, text_color, &_mf_menu_seed,
 				&_mf_menu_play, menu),
 				MFTK_GRID_HALIGN_L|MFTK_GRID_VALIGN_T,
@@ -169,8 +170,6 @@ _mf_menu_form(SDL_Renderer *renderer, TTF_Font *text_font,
 				MFTK_GRID_HALIGN_L|MFTK_GRID_VALIGN_T
 			);
 
-	free(seed_buf);
-
 	return grid;
 }
 
@@ -281,6 +280,7 @@ mf_menu(SDL_Renderer *renderer)
 
  quit:
 	mftk_window_destroy(&win);
+	free(menu.seed_buf);
 	TTF_CloseFont(text_font);
 	text_font = NULL;
 	mf_maze_destroy(&maze);
@@ -298,6 +298,9 @@ mf_menu(SDL_Renderer *renderer)
 		TTF_CloseFont(text_font);
 	}
 	mftk_window_destroy(&win);
+	if (menu.seed_buf != NULL) {
+		free(menu.seed_buf);
+	}
 	mf_maze_destroy(&maze);
 	return -1;
 }
--
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