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test/editor: ensure buffer termination

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... in source file and documentation
This commit is contained in:
Albrecht Schlosser
2025-02-19 17:14:25 +01:00
parent 27d991f046
commit 45476d093c
2 changed files with 3 additions and 1 deletions
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documentation/src/editor.dox
+1
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@@ -131,6 +131,7 @@ void update_title() {
fname = fl_filename_name(app_filename); fname = fl_filename_name(app_filename);
if (fname) { if (fname) {
char buf[FL_PATH_MAX + 3]; char buf[FL_PATH_MAX + 3];
buf[FL_PATH_MAX + 2] = '\0'; // ensure that the buffer is always terminated
if (text_changed) { if (text_changed) {
snprintf(buf, FL_PATH_MAX+2, "%s *", fname); snprintf(buf, FL_PATH_MAX+2, "%s *", fname);
} else { } else {
test/editor.cxx
+2 -1
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@@ -4,7 +4,7 @@
// This program is described in chapter "Designing a Simple Text Editor" // This program is described in chapter "Designing a Simple Text Editor"
// of the FLTK Programmer's Guide. // of the FLTK Programmer's Guide.
// //
// Copyright 1998-2024 by Bill Spitzak and others. // Copyright 1998-2025 by Bill Spitzak and others.
// //
// This library is free software. Distribution and use rights are outlined in // This library is free software. Distribution and use rights are outlined in
// the file "COPYING" which should have been included with this file. If this // the file "COPYING" which should have been included with this file. If this
@@ -61,6 +61,7 @@ void update_title() {
fname = fl_filename_name(app_filename); fname = fl_filename_name(app_filename);
if (fname) { if (fname) {
char buf[FL_PATH_MAX + 3]; char buf[FL_PATH_MAX + 3];
buf[FL_PATH_MAX + 2] = '\0'; // ensure that the buffer is always terminated
if (text_changed) { if (text_changed) {
snprintf(buf, FL_PATH_MAX+2, "%s *", fname); snprintf(buf, FL_PATH_MAX+2, "%s *", fname);
} else { } else {