Ticket #8245: config-read-only.diff

scummvm/common/config-file.cpp

@@ -45 +45 @@
 // The config-class itself.
 
 Config::Config (const String &cfg, const String &d)
- : filename(cfg), defaultDomain(d), willwrite(false) {
+ : filename(cfg), defaultDomain(d), willwrite(false), readonly(false) {
         FILE *cfg_file;
         char t[MAXLINELEN];
 
@@ -218 +218 @@
         }
 }
 
+void Config::set_readonly(bool r) {
+        readonly = r;
+}
+
 void Config::set_writing(bool w) {
+        if (readonly)
+                w = false;
         willwrite = w;
 }
 

scummvm/common/config-file.h

@@ -51 +51 @@
         bool has_domain(const String &d) const;
         void set_filename(const String &);
         void merge_config(const Config &);
+        void set_readonly(bool);
         void set_writing(bool);
 
         const int count_domains();
@@ -61 +62 @@
         String filename;
         String defaultDomain;
 
+        bool readonly;
         bool willwrite;
 };
 

scummvm/common/main.cpp

@@ -178 +178 @@
 
         // Read the config file
         g_config = new Config(scummhome, "scummvm");
+        g_config->set_readonly(g_config->getBool("read_only"));
         g_config->set("versioninfo", SCUMMVM_VERSION);
 
         // Parse the command line information