From dcd2d26ea4b9589549ecc6eeb9aaea33741e4d75 Mon Sep 17 00:00:00 2001
From: equilet <2237372+equilet@users.noreply.github.com>
Date: Wed, 31 May 2023 12:55:35 -0400
Subject: [PATCH] file writer now appends text safely

---
 source/mgraph.h        |  6 ++----
 source/morphograph.cpp | 25 ++++++++++++++++++-------
 2 files changed, 20 insertions(+), 11 deletions(-)

diff --git a/source/mgraph.h b/source/mgraph.h
index 3254f82..bc89454 100644
--- a/source/mgraph.h
+++ b/source/mgraph.h
@@ -1,6 +1,4 @@
-//
-//  morphograph.h
-//  max-sdk
+//  mgraph.h
 //
 //  Created by Jeff Lubow on 1/13/23.
 //
@@ -75,4 +73,4 @@ typedef struct _morphograph {
     //t_hashtab *hash_table;
 } t_morphograph;
 
-#endif /* morphograph_h */
+#endif /* mgraph_h */
diff --git a/source/morphograph.cpp b/source/morphograph.cpp
index b42725b..e0d5e24 100644
--- a/source/morphograph.cpp
+++ b/source/morphograph.cpp
@@ -7,6 +7,8 @@
 #include "ext_path.h"
 #include "ext_sysfile.h"
 
+#include "ext_appendtohandle.h" //non-exported code from c74 - filewrite
+
 #include "ext_dictobj.h"
 #include "ext_buffer.h"
 #include "z_dsp.h"
@@ -1351,7 +1353,6 @@ void morphograph_load(t_morphograph *x, t_symbol *s){
     } else {
         //path is input by user (via open dialog object for ex)
         strcpy(filename,s->s_name);
-      //  locatefile_extended(<#char *name#>, <#short *outvol#>, <#t_fourcc *outtype#>, <#const t_fourcc *filetypelist#>, <#short numtypes#>)
         if (!locatefile_extended(filename, &pathid, &outtype, type, ntype)) {
             //continue
         } else {
@@ -1439,8 +1440,8 @@ void morphograph_paint(t_morphograph *x, t_object *patcherview) {
 //c functions: std max api
 //-------------------------------------------------------------------------------------------------
 
-//test filewriter ---------------------------------------------------------------------------------
-//-------------------------------------------------------------------------------------------------
+//test filewriter --------------------------------------------
+//------------------------------------------------------------
 void morphograph_write(t_morphograph *x, t_symbol *s){
     defer(x, (method)morphograph_dowrite, s, 0, NULL);
 }
@@ -1470,19 +1471,29 @@ void morphograph_dowrite(t_morphograph *x, t_symbol *s){
 
 void morphograph_writefile(t_morphograph *x, char *filename, short path){
 
-    char *buf = (char *)"write me into a file";
+    char *buf1 = (char *)"write me into a file\n";
+    char *buf2 = (char *)"another line\n";
+    char *buf3 = (char *)"line three here we are";
     
     long err;
     t_filehandle fh;
- 
+    t_handle th = sysmem_newhandle(0);
+
+    //append to text buffer
+    my_sysmem_appendtextptrtohand(buf1, th);
+    my_sysmem_appendtextptrtohand(buf2, th);
+    my_sysmem_appendtextptrtohand(buf3, th);
+
+    //create file
     err = path_createsysfile(filename, path, 'TEXT', &fh);
     if (err)
         return;
-    err = sysfile_writetextfile(fh, &buf, TEXT_LB_NATIVE);
+    //write file
+    err = sysfile_writetextfile(fh, th, TEXT_LB_NATIVE);
     sysfile_close(fh);
 
 }
-//-------------------------------------------------------------------------------------------------
+//----------------------------------------------------------------
 
 void morphograph_anything(t_morphograph *x, const t_symbol * const s, const long ac, const t_atom *av){
     
-- 
2.34.1