TSalis checks color availability.

2 files changed, 18 insertions, 1 deletions

diff --git a/tsalis/src/printer.c b/tsalis/src/printer.c
index 9d82fc8..88da4a8 100644
--- a/tsalis/src/printer.c
+++ b/tsalis/src/printer.c
@@ -90,10 +90,22 @@ adjustWorld(void)
 	}
 }
 
+sbool
+tsp_check(void)
+{
+	initscr();
+
+	if (!has_colors()) {
+		endwin();
+		return SFALSE;
+	}
+
+	return STRUE;
+}
+
 void
 tsp_init(void)
 {
-	initscr();
 	cbreak();
 	noecho();
 	curs_set(0);
diff --git a/tsalis/src/tsalis.c b/tsalis/src/tsalis.c
index f578e8f..7722ca9 100644
--- a/tsalis/src/tsalis.c
+++ b/tsalis/src/tsalis.c
@@ -52,6 +52,11 @@ onLoad(const char *fileName)
 static void
 init(int argc, char **argv)
 {
+	if (!tsp_check()) {
+		fputs("ERROR: Terminal not supported\n", stderr);
+		exit(1);
+	}
+
 	if (argc == 1) {
 		onDefault();
 	} else if (argc == 2) {