X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=aft.c;fp=aft.c;h=b358c96cd9afd23bfa7f043c8add8bbf8b4bfade;hp=eb955e019f538e3d73f38074ff657c9b86d2199d;hb=3ccea2ef0eff8e9acc5d34528645d3e29bc9a4f9;hpb=ed0be6be160e87486ad93b482323d2579feb3540

diff --git a/aft.c b/aft.c
index eb955e01..b358c96c 100644
--- a/aft.c
+++ b/aft.c
@@ -721,7 +721,8 @@ __a_const static short unsigned get_duration_width(int seconds)
 	return width + 6;
 }
 
-static void get_duration_buf(int seconds, char *buf, struct ls_options *opts)
+static void get_duration_buf(int seconds, char *buf, size_t bufsize,
+		struct ls_options *opts)
 {
 	unsigned hours = seconds / 3600, mins = (seconds % 3600) / 60;
 	short unsigned max_width;
@@ -729,10 +730,12 @@ static void get_duration_buf(int seconds, char *buf, struct ls_options *opts)
 	if (!hours) { /* m:ss or mm:ss */
 		max_width = opts->mode == LS_MODE_LONG?
 			opts->widths.duration_width : 4;
+		assert(max_width < bufsize - 1);
 		sprintf(buf, "%*u:%02d", max_width - 3, mins, seconds % 60);
 	} else { /* more than one hour => h:mm:ss, hh:mm:ss, hhh:mm:ss, ... */
 		max_width = opts->mode == LS_MODE_LONG?
 			opts->widths.duration_width : 7;
+		assert(max_width < bufsize - 1);
 		sprintf(buf, "%*u:%02u:%02d", max_width - 6, hours, mins,
 			seconds % 60);
 	}
@@ -856,7 +859,8 @@ static int print_list_item(struct ls_data *d, struct ls_options *opts,
 		if (ret < 0)
 			goto out;
 	}
-	get_duration_buf(afhi->seconds_total, duration_buf, opts);
+	get_duration_buf(afhi->seconds_total, duration_buf,
+		sizeof(duration_buf), opts);
 	if (opts->mode == LS_MODE_LONG) {
 		struct ls_widths *w = &opts->widths;
 		if (lls_opt_given(r_a))