utils-std

commit: e6b939494b67612367eabf8bf9a22de1c8220daf
parent de43dbe2d573e783cb1a7d83e1b1de3af77d72b7
Author: Haelwenn (lanodan) Monnier <contact@hacktivis.me>
Date:   Fri, 29 Mar 2024 02:07:43 +0100

lib/iso_parse: Correctly initialize struct tm

Most notably, tm.tm_isdst shouldn't be initialised to zero but -1.

Diffstat:
M
lib/iso_parse.c
11
+++++++++--

1 file changed, 9 insertions(+), 2 deletions(-)
diff --git a/lib/iso_parse.c b/lib/iso_parse.c
@@ -37,8 +37,15 @@ iso_parse(char *arg, char **errstr)
 		return time;
 	}
 
-	struct tm tm;
-	memset(&tm, 0, sizeof(tm));
+	struct tm tm = {
+	    .tm_year  = 0,
+	    .tm_mon   = 0,
+	    .tm_mday  = 0,
+	    .tm_hour  = 0,
+	    .tm_min   = 0,
+	    .tm_sec   = 0,
+	    .tm_isdst = -1, // unknown if DST is in effect
+	};
 
 	// No %F in POSIX
 	char *s = strptime(arg, "%Y-%m-%d", &tm);