slackbuilds/office/calcurse/0001-Don-t-fclose-fp-if-it-failed-to-fopen.patch

From dc63cf73781f9303ed1f12dc7e4ecfb6f3938f3c Mon Sep 17 00:00:00 2001
From: dave <dave@slackbuilds.org>
Date: Sat, 28 Jan 2023 01:51:55 +0000
Subject: [PATCH] Don't fclose(fp) if it failed to fopen()
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This fixes a segfault in fclose@@GLIBC_2.2.5
'calcurse -c /path/to/apts -G' segfaults at first note seen.
Split the tests @ ical.c:216 into two:
return if fopen(fp) failed.
fclose(fp) and return @ EOF.

Signed-off-by: dave <dave@slackbuilds.org>
---
 src/ical.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)


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diff --git a/src/ical.c b/src/ical.c
index 535bca8..4b55343 100644
--- a/src/ical.c
+++ b/src/ical.c
@@ -213,7 +213,10 @@ static void ical_export_note(FILE *stream, char *name)
 	int has_desc, has_prop, i;
 
 	asprintf(&note_file, "%s/%s", path_notes, name);
-	if (!(fp = fopen(note_file, "r")) || ungetc(getc(fp), fp) == EOF) {
+	if (!(fp = fopen(note_file, "r"))) {
+		return;
+	}
+	if (ungetc(getc(fp), fp) == EOF) {
 		fclose(fp);
 		return;
 	}

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