X-Git-Url: https://git.distorted.org.uk/u/mdw/putty/blobdiff_plain/d4857987945f49a51477e26da18b46ef222b2346..d87d258a8f5d8fc9c43e73cc59ff4258b3755485:/storage.h

diff --git a/storage.h b/storage.h
index 43f22d3e..704f2311 100644
--- a/storage.h
+++ b/storage.h
@@ -21,10 +21,18 @@
  * then close it using close_settings_w(). At the end of this call
  * sequence the settings should have been written to the PuTTY
  * persistent storage area.
+ *
+ * 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(char *sessionname);
-void write_setting_s(void *handle, char *key, char *value);
-void write_setting_i(void *handle, char *key, int value);
+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);
 
 /*
@@ -40,16 +48,21 @@ 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(char *sessionname);
-char *read_setting_s(void *handle, char *key, char *buffer, int buflen);
-int read_setting_i(void *handle, char *key, int defvalue);
+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);
 
 /*
  * Delete a whole saved session.
  */
-void del_settings(char *sessionname);
+void del_settings(const char *sessionname);
 
 /*
  * Enumerate all saved sessions.
@@ -67,19 +80,21 @@ void enum_settings_finish(void *handle);
  * be 0 (entry matches database), 1 (entry is absent in database),
  * or 2 (entry exists in database and is different).
  */
-int verify_host_key(char *hostname, int port, char *keytype, char *key);
+int verify_host_key(const char *hostname, int port,
+		    const char *keytype, const char *key);
 
 /*
  * Write a host key into the database, overwriting any previous
  * entry that might have been there.
  */
-void store_host_key(char *hostname, int port, char *keytype, char *key);
+void store_host_key(const char *hostname, int port,
+		    const char *keytype, const char *key);
 
 /* ----------------------------------------------------------------------
  * Functions to access PuTTY's random number seed file.
  */
 
-typedef void (*noise_consumer_t)(void *data, int len);
+typedef void (*noise_consumer_t) (void *data, int len);
 
 /*
  * Read PuTTY's random seed file and pass its contents to a noise