Changes between Version 1 and Version 2 of Develop/LoadSaveSystem

Timestamp:

Nov 19, 2018, 9:55:05 AM (5 years ago)

Author:

Thomas Bernard

Comment:

update regarding Open_file_read() and File_length_file()

Develop/LoadSaveSystem

@@ -31 +31 @@
 
 == Test function ==
-Use Get_full_filename to get the filename we are asking you to test.
+Use File_length_file() to get the size of the file we are asking you to test.
 Load your file, do some reading on it to check it is coherent (checking the
 header is enough). Set the global var File_error to 0 if you think you can load
 the file, or 1 else.
-Don't forget to close your file and free things you allocated (if you did. is
+Don't forget to free things you allocated (if you did. is
 your format so difficult to identify ?)
 
 {{{#!c
-void Test_EXT(void)
+void Test_EXT(FILE * file)
 {
-        FILE* file;
-        char filename[MAX_PATH_CHARACTERS];
         long file_size;
 
-        Get_full_filename(filename,0);
-
-        file = fopen(filename,"rb");
-
-        if(file)
-        {
-                // Do some more tests to see if everything is ok
-                if((/*...*/)
-                        File_error = 0;
-                else
-                        File_error = 1;
-                fclose(file)
-        }
+        file_size = File_length_file(file);
+        // Do some more tests to see if everything is ok
+        if((/*...*/)
+                File_error = 0;
         else
                 File_error = 1;
@@ -65 +54 @@
 == Load function ==
 This one is a bit more tricky. You have to handle some things for our preview
-window. You can still set File_error while loading the file if something goes wrong, that's why you don't have to go too far in the Test function. Get the filename the same way with Get_full_filename, read the data.
+window. You can still set File_error while loading the file if something goes wrong, that's why you don't have to go too far in the Test function. Open the file with Open_file_read(), read the data.
 You have to set some variables and call some functions, of course.
 
@@ -72 +61 @@
 {
         FILE* file;
-        char filename[MAX_PATH_CHARACTERS];
         long file_size;
 
-        Get_full_filename(filename,0);
-
-        file = fopen(filename,"rb");
+        file = Open_file_read(context);
 
         if(file)