X-Git-Url: http://git.tuebingen.mpg.de/?a=blobdiff_plain;f=gui.c;h=6f688e0be6832c39dbcb5d620b2b6dfac96510c1;hb=ec7552f87eb959b007bd0ed3642e5ccc2faa4d39;hp=1a89681d196bce31b863e390bd60fc62f441a886;hpb=6e0b28e02a1013c019a3225e922b71f913bfbae4;p=paraslash.git

diff --git a/gui.c b/gui.c
index 1a89681d..6f688e0b 100644
--- a/gui.c
+++ b/gui.c
@@ -246,8 +246,8 @@ static char *km_keyname(int c)
 /* Print given number of spaces to curses window. */
 static void add_spaces(WINDOW* win, unsigned int num)
 {
-	char space[] = "                                ";
-	unsigned sz = sizeof(space) - 1; /* number of spaces */
+	const char space[] = "                                ";
+	const unsigned sz = sizeof(space) - 1; /* number of spaces */
 
 	while (num >= sz)  {
 		waddstr(win, space);
@@ -255,8 +255,7 @@ static void add_spaces(WINDOW* win, unsigned int num)
 	}
 	if (num > 0) {
 		assert(num < sz);
-		space[num] = '\0';
-		waddstr(win, space);
+		waddstr(win, space + sz - num);
 	}
 }
 
@@ -264,41 +263,35 @@ static void add_spaces(WINDOW* win, unsigned int num)
  * print aligned string to curses window. This function always prints
  * exactly len chars.
  */
-static int align_str(WINDOW* win, char *str, unsigned int len,
+static int align_str(WINDOW* win, const char *str, unsigned int len,
 		unsigned int align)
 {
-	int ret, i, num; /* of spaces */
+	int ret, num; /* of spaces */
 	size_t width;
+	char *sstr; /* sanitized string */
 
 	if (!win || !str)
 		return 0;
-	ret = strwidth(str, &width);
+	ret = sanitize_str(str, len, &sstr, &width);
 	if (ret < 0) {
 		PARA_ERROR_LOG("%s\n", para_strerror(-ret));
 		width = 0;
-		str[0] = '\0';
+		sstr = para_strdup(NULL);
 	}
+	assert(width <= len);
 	num = len - width;
-	if (num < 0) {
-		str[len] = '\0';
-		num = 0;
-	}
-	/* replace control characters by spaces */
-	for (i = 0; i < len && str[i]; i++) {
-		if (str[i] == '\n' || str[i] == '\r' || str[i] == '\f')
-			str[i] = ' ';
-	}
 	if (align == LEFT) {
-		waddstr(win, str);
+		waddstr(win, sstr);
 		add_spaces(win, num);
 	} else if (align == RIGHT) {
 		add_spaces(win, num);
-		waddstr(win, str);
+		waddstr(win, sstr);
 	} else {
 		add_spaces(win, num / 2);
-		waddstr(win, str[0]? str: "");
+		waddstr(win, sstr);
 		add_spaces(win, num - num / 2);
 	}
+	free(sstr);
 	return 1;
 }
 
@@ -776,7 +769,7 @@ static void init_curses(void)
 {
 	if (curses_active())
 		return;
-	if (top.win && refresh() == ERR) /* refresh is really needed */
+	if (refresh() == ERR) /* refresh is really needed */
 		die(EXIT_FAILURE, "refresh() failed\n");
 	if (LINES < theme.lines_min || COLS < theme.cols_min)
 		die(EXIT_FAILURE, "Terminal (%dx%d) too small"