From 3ed5dc57865f8cd48f0e76fb979218d0e0bf04ab Mon Sep 17 00:00:00 2001
From: Thomas Bernard <miniupnp@free.fr>
Date: Fri, 16 Feb 2018 10:03:10 +0100
Subject: [PATCH] loadsave.c: add Open_file_write/Open_file_read() functions

---
 src/loadsave.c | 20 ++++++++++++++++++++
 src/loadsave.h |  6 ++++++
 2 files changed, 26 insertions(+)

diff --git a/src/loadsave.c b/src/loadsave.c
index db0351b3..79bd941e 100644
--- a/src/loadsave.c
+++ b/src/loadsave.c
@@ -1749,3 +1749,23 @@ void Delete_safety_backups(void)
 #endif
   
 }
+
+/// For use by Save_XXX() functions
+FILE * Open_file_write(T_IO_Context *context)
+{
+  char filename[MAX_PATH_CHARACTERS]; // filename with full path
+
+  Get_full_filename(filename, context->File_name, context->File_directory);
+
+  return fopen(filename, "wb");
+}
+
+/// For use by Load_XXX() and Test_XXX() functions
+FILE * Open_file_read(T_IO_Context *context)
+{
+  char filename[MAX_PATH_CHARACTERS]; // filename with full path
+
+  Get_full_filename(filename, context->File_name, context->File_directory);
+
+  return fopen(filename, "rb");
+}
diff --git a/src/loadsave.h b/src/loadsave.h
index a643d36c..f93db927 100644
--- a/src/loadsave.h
+++ b/src/loadsave.h
@@ -261,4 +261,10 @@ void Init_preview(short width,short height,long size,int format,enum PIXEL_RATIO
 */
 void Write_one_byte(FILE *file, byte b);
 
+/// For use by Save_XXX() functions
+FILE * Open_file_write(T_IO_Context *context);
+
+/// For use by Load_XXX() and Test_XXX() functions
+FILE * Open_file_read(T_IO_Context *context);
+
 #endif