Don't get or set cells in rows that are less than zero

zedr · Jan 21, 2024 · ad7eba0 · ad7eba0
1 parent cb4ef60
commit ad7eba0
Show file tree

Hide file tree

Showing 2 changed files with 9 additions and 3 deletions.
diff --git a/src/main.c b/src/main.c
@@ -7,7 +7,7 @@
 #include "../include/queue.h"
 #include "../include/gfx.h"
 
-#define TINYCOLS_VERSION "0.8.0"
+#define TINYCOLS_VERSION "0.8.1"
 #define TICK_TIME 10000
 #define MAX_TIMER 180
 

diff --git a/src/tinycols/color.c b/src/tinycols/color.c
@@ -2,10 +2,16 @@
 
 inline enum color get_cell_color(const struct grid *gr, int row, int col)
 {
-	return gr->cells[(row * gr->cols) + col];
+	if ((row >= 0) && (row <= gr->rows) && (col <= gr->cols)) {
+		return gr->cells[(row * gr->cols) + col];
+	} else {
+		return TRANSPARENT;
+	}
 }
 
 inline void set_cell_color(struct grid *gr, int row, int col, enum color clr)
 {
-	gr->cells[(row * gr->cols) + col] = clr;
+	if ((row >= 0) && (row <= gr->rows) && (col <= gr->cols)) {
+		gr->cells[(row * gr->cols) + col] = clr;
+	}
 }