From 0a2abb2b31f270ffeb9d4cb8adfdb07a86a5247c Mon Sep 17 00:00:00 2001
From: Anna Schumaker <Anna@OcarinaProject.net>
Date: Wed, 28 Oct 2015 03:55:40 -0400
Subject: [PATCH] core/string: Add string_tm2str() function to get a date
 stringg

Signed-off-by: Anna Schumaker <Anna@OcarinaProject.net>
---
 core/string.c         |  7 +++++++
 include/core/string.h |  3 +++
 tests/core/string.c   | 23 +++++++++++++++++++++++
 3 files changed, 33 insertions(+)

diff --git a/core/string.c b/core/string.c
index d159ea66..286a4576 100644
--- a/core/string.c
+++ b/core/string.c
@@ -39,6 +39,13 @@ gchar *string_sec2str_long(unsigned int sec)
 	return res;
 }
 
+gchar *string_tm2str(struct tm *tm)
+{
+	gchar *buf = g_malloc(20 * sizeof(gchar));
+	strftime(buf, 20, "%Ex", tm);
+	return buf;
+}
+
 static gunichar __string_get_char(const gchar *str, const gchar *cur,
 				  const gchar *res)
 {
diff --git a/include/core/string.h b/include/core/string.h
index f97828d3..7c3f6ef6 100644
--- a/include/core/string.h
+++ b/include/core/string.h
@@ -17,6 +17,9 @@ gchar *string_sec2str(unsigned int);
 /* Convert number of seconds into a long-form time string. */
 gchar *string_sec2str_long(unsigned int);
 
+/* Convert a struct tm to a locale-dependant date string. */
+gchar *string_tm2str(struct tm *);
+
 /* Convert the input string to lowercase, dropping special characters. */
 gchar *string_lowercase(const gchar *);
 
diff --git a/tests/core/string.c b/tests/core/string.c
index 0a26152e..11ee5d24 100644
--- a/tests/core/string.c
+++ b/tests/core/string.c
@@ -4,6 +4,7 @@
  */
 #include <core/string.h>
 #include <tests/test.h>
+#include <locale.h>
 
 #define str_test_equal(lhs, rhs) \
 	test_strings_equal(lhs, g_strdup(rhs), __LINE__)
@@ -53,6 +54,27 @@ void test_sec2str_long()
 		"22 days, 4 hours, 12 minutes, 32 seconds");
 }
 
+void test_date()
+{
+	struct tm tm = {
+		.tm_year = 92,
+		.tm_mon  = 9,
+		.tm_mday = 5,
+	};
+	gchar *str;
+
+	setlocale(LC_TIME, "C");
+	str = string_tm2str(&tm);
+	test_equal(str, "10/05/92");
+	g_free(str);
+
+	setlocale(LC_TIME, "en_US");
+	str = string_tm2str(&tm);
+	test_equal(str, "10/05/1992");
+	g_free(str);
+
+}
+
 void test_lowercase()
 {
 	str_test_equal(string_lowercase(""), "");
@@ -82,6 +104,7 @@ void test_compare()
 DECLARE_UNIT_TESTS(
 	UNIT_TEST("Seconds to String", test_sec2str),
 	UNIT_TEST("Seconds to String (Long)", test_sec2str_long),
+	UNIT_TEST("Date to String", test_date),
 	UNIT_TEST("String Lowercase", test_lowercase),
 	UNIT_TEST("String Comparison", test_compare),
 );