From 850a2cec794ef0d98dbaaf83e5ddce4ecb819e27 Mon Sep 17 00:00:00 2001
From: Tommi Komulainen <tommi.komulainen@iki.fi>
Date: Sat, 26 May 2018 09:36:45 +0200
Subject: [PATCH] Fix garbled dates when using --date-format

Capture the `std::string` value from options in a local variable that
lives as long as the `c_str()` taken from it to ensure it does not get
freed prematurely.

Fixes: #546
---
 src/print.cc | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/print.cc b/src/print.cc
index 9fa75eab..92323777 100644
--- a/src/print.cc
+++ b/src/print.cc
@@ -103,11 +103,13 @@ namespace {
   void print_xact(report_t& report, std::ostream& out, xact_t& xact)
   {
     format_type_t          format_type = FMT_WRITTEN;
+    string                 format_str;
     optional<const char *> format;
 
     if (report.HANDLED(date_format_)) {
       format_type = FMT_CUSTOM;
-      format      = report.HANDLER(date_format_).str().c_str();
+      format_str  = report.HANDLER(date_format_).str();
+      format      = format_str.c_str();
     }
 
     std::ostringstream buf;
-- 
2.20.1