From: Michael Tremer <michael.tremer@ipfire.org>
Date: Thu, 19 Aug 2021 19:01:47 +0000 (+0000)
Subject: util: Add helper function for strftime to format time now
X-Git-Tag: 0.9.28~990
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5f2ed2026f77dc24f37e8974ca759ac6be9c6e4b;p=pakfire.git

util: Add helper function for strftime to format time now

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>
---

diff --git a/src/libpakfire/include/pakfire/util.h b/src/libpakfire/include/pakfire/util.h
index a066d0c94..f2f7eadaf 100644
--- a/src/libpakfire/include/pakfire/util.h
+++ b/src/libpakfire/include/pakfire/util.h
@@ -51,6 +51,11 @@ int pakfire_format_size(char* dst, size_t length, double value);
 int pakfire_format_speed(char* dst, size_t length, double value);
 char* pakfire_format_date(time_t t);
 
+#define pakfire_strftime_now(dest, format) \
+	__pakfire_strftime_now(dest, sizeof(dest) - 1, format)
+int __pakfire_strftime_now(char* dest, size_t length, const char* format)
+	__attribute__((format(strftime, 3, 0)));;
+
 int pakfire_path_exists(const char* path);
 time_t pakfire_path_age(const char* path);
 
diff --git a/src/libpakfire/util.c b/src/libpakfire/util.c
index 42ea4f7dd..1a4249017 100644
--- a/src/libpakfire/util.c
+++ b/src/libpakfire/util.c
@@ -473,6 +473,27 @@ char* pakfire_format_date(time_t t) {
 	return pakfire_strftime("%Y-%m-%d", t);
 }
 
+int __pakfire_strftime_now(char* dest, size_t length, const char* format) {
+	struct tm tm;
+
+	// Fetch the current time
+	const time_t t = time(NULL);
+	if (t < 0)
+		return 1;
+
+	// Convert to struct tm
+	struct tm* now = gmtime_r(&t, &tm);
+	if (!now)
+		return 1;
+
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wformat-nonliteral"
+	strftime(dest, length, format, now);
+#pragma GCC diagnostic pop
+
+	return 0;
+}
+
 int __pakfire_path_join(char* dest, size_t length,
 		const char* first, const char* second) {
 	if (!first)