* A given key will be written at most once while saving a session.
* Keys may be up to 255 characters long. String values have no length
* limit.
+ *
+ * Any returned error message must be freed after use.
*/
-void *open_settings_w(const char *sessionname);
+void *open_settings_w(const char *sessionname, char **errmsg);
void write_setting_s(void *handle, const char *key, const char *value);
void write_setting_i(void *handle, const char *key, int value);
+void write_setting_filename(void *handle, const char *key, Filename value);
+void write_setting_fontspec(void *handle, const char *key, FontSpec font);
void close_settings_w(void *handle);
/*
* read_setting_s() can return NULL, in which case the caller
* should invent a sensible default. If an integer setting is not
* present, read_setting_i() returns its provided default.
+ *
+ * read_setting_filename() and read_setting_fontspec() each read into
+ * the provided buffer, and return zero if they failed to.
*/
void *open_settings_r(const char *sessionname);
char *read_setting_s(void *handle, const char *key, char *buffer, int buflen);
int read_setting_i(void *handle, const char *key, int defvalue);
+int read_setting_filename(void *handle, const char *key, Filename *value);
+int read_setting_fontspec(void *handle, const char *key, FontSpec *font);
void close_settings_r(void *handle);
/*