gophra

commit 2809473fd3803550b0870dd3ae606a9117c7876d
parent c8dfcd6bd48db415647598947b3276dda7a87c96
Author: Pavel Renev <an2qzavok@gmail.com>
Date:   Sun, 15 Nov 2020 20:00:41 +0000

some nil pointer checks here and there

Diffstat:
M
gophra.c
 | 
3
+++

1 file changed, 3 insertions(+), 0 deletions(-)
diff --git a/gophra.c b/gophra.c
@@ -302,6 +302,7 @@ drawmenu(void)
 	ulong n, line;
 	dp = rw.min;
 	draw(screen, rw, Iwbg, 0, ZP);
+	if (text.data == nil) return;
 	for(line = scroll;; line++){
 		/*
 		 * n in stringn() counts characters, not bytes.
@@ -329,6 +330,8 @@ getlinep(Text *text, ulong ln)
 {
 	ulong lcount;
 	char *lp;
+	assert(text != nil);
+	if (text->data == nil) return nil;
 	lp = text->data;
 	for (lcount = 0; lcount < ln; lp++){
 		if (*lp == '\n') lcount++;