From 8f55e0634cef08d61d08f41305005b1eb18498eb Mon Sep 17 00:00:00 2001
From: Matthias Melcher <github@matthiasm.com>
Date: Sat, 29 Nov 2025 17:21:40 +0100
Subject: Fluid: Fix crash when saving an empty project.

---
 fluid/Project.cxx | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'fluid/Project.cxx')

diff --git a/fluid/Project.cxx b/fluid/Project.cxx
index 750beccf1..e2599e3e6 100644
--- a/fluid/Project.cxx
+++ b/fluid/Project.cxx
@@ -73,6 +73,7 @@ void Project::update_settings_dialog() {
  \return the path ending in '/'
  */
 std::string Project::projectfile_path() const {
+  if (!proj_filename) return std::string{};
   return end_with_slash(fl_filename_absolute_str(fl_filename_path_str(proj_filename), Fluid.launch_path()));
 }
 
@@ -81,6 +82,7 @@ std::string Project::projectfile_path() const {
  \return the file name without path
  */
 std::string Project::projectfile_name() const {
+  if (!proj_filename) return std::string{};
   return fl_filename_name(proj_filename);
 }
 
@@ -103,8 +105,10 @@ std::string Project::codefile_path() const {
 std::string Project::codefile_name() const {
   std::string name = fl_filename_name_str(code_file_name);
   if (name.empty()) {
+    if (!proj_filename) return std::string{};
     return fl_filename_setext_str(fl_filename_name(proj_filename), ".cxx");
   } else if (name[0] == '.') {
+    if (!proj_filename) return std::string{};
     return fl_filename_setext_str(fl_filename_name(proj_filename), code_file_name);
   } else {
     return name;
@@ -130,8 +134,10 @@ std::string Project::headerfile_path() const {
 std::string Project::headerfile_name() const {
   std::string name = fl_filename_name_str(header_file_name);
   if (name.empty()) {
+    if (!proj_filename) return std::string{};
     return fl_filename_setext_str(fl_filename_name_str(proj_filename), ".h");
   } else if (name[0] == '.') {
+    if (!proj_filename) return std::string{};
     return fl_filename_setext_str(fl_filename_name_str(proj_filename), header_file_name);
   } else {
     return name;
@@ -158,6 +164,7 @@ std::string Project::stringsfile_path() const {
  \return the file name without path
  */
 std::string Project::stringsfile_name() const {
+  if (!proj_filename) return std::string{};
   switch (i18n.type) {
     default: return fl_filename_setext_str(fl_filename_name(proj_filename), ".txt");
     case fld::I18n_Type::GNU: return fl_filename_setext_str(fl_filename_name(proj_filename), ".po");
@@ -170,6 +177,7 @@ std::string Project::stringsfile_name() const {
  \return the file name without path or extension
  */
 std::string Project::basename() const {
+  if (!proj_filename) return std::string{};
   return fl_filename_setext_str(fl_filename_name(proj_filename), "");
 }
 
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