datetime: Free fmt bufs when iterators reach end

Simplifies caller code.

1 files changed, 3 insertions, 30 deletions

diff --git a/src/main.c b/src/main.c
index f450281..19b5334 100644
--- a/src/main.c
+++ b/src/main.c
@@ -92,49 +92,22 @@ _list_formats(void)
 	tm  = localtime(&tim);
 
 	puts("Time formats:");
-	out    = NULL;
-	out_sz = 0;
-	buf    = NULL;
-	i      = 0;
+	i = 0;
 	while (datetime_strftime_time(tm, &out, &out_sz, &buf, &i) > 0) {
 		printf("  * %s\n", out);
 	}
-	if (out != NULL) {
-		free(out);
-	}
-	if (buf != NULL) {
-		free(buf);
-	}
 
 	puts("Date formats:");
-	out    = NULL;
-	out_sz = 0;
-	buf    = NULL;
-	i      = 0;
+	i = 0;
 	while (datetime_strftime_date(tm, &out, &out_sz, &buf, &i) > 0) {
 		printf("  * %s\n", out);
 	}
-	if (out != NULL) {
-		free(out);
-	}
-	if (buf != NULL) {
-		free(buf);
-	}
 
 	puts("Additional formats:");
-	out    = NULL;
-	out_sz = 0;
-	buf    = NULL;
-	i      = 0;
+	i = 0;
 	while (datetime_strftime_misc(tm, &out, &out_sz, &buf, &i) > 0) {
 		printf("  * %s\n", out);
 	}
-	if (out != NULL) {
-		free(out);
-	}
-	if (buf != NULL) {
-		free(buf);
-	}
 }
 
 static void