X-Git-Url: https://git.distorted.org.uk/u/mdw/putty/blobdiff_plain/ae62eaeb01088430162fa96e8cca35f721ff376d..cd1a94aee1b026bdc958e0a2b8f84daeee453d61:/putty.h

diff --git a/putty.h b/putty.h
index b1c30c8b..4c338b4e 100644
--- a/putty.h
+++ b/putty.h
@@ -525,8 +525,19 @@ struct RSAKey;			       /* be a little careful of scope */
 typedef struct {
     char *prompt;
     int echo;
-    char *result;	/* allocated/freed by caller */
-    size_t result_len;
+    /*
+     * 'result' must be a dynamically allocated array of exactly
+     * 'resultsize' chars. The code for actually reading input may
+     * realloc it bigger (and adjust resultsize accordingly) if it has
+     * to. The caller should free it again when finished with it.
+     *
+     * If resultsize==0, then result may be NULL. When setting up a
+     * prompt_t, it's therefore easiest to initialise them this way,
+     * which means all actual allocation is done by the callee. This
+     * is what add_prompt does.
+     */
+    char *result;
+    size_t resultsize;
 } prompt_t;
 typedef struct {
     /*
@@ -549,7 +560,9 @@ typedef struct {
 			 * get_userpass_input(); initially NULL */
 } prompts_t;
 prompts_t *new_prompts(void *frontend);
-void add_prompt(prompts_t *p, char *promptstr, int echo, size_t len);
+void add_prompt(prompts_t *p, char *promptstr, int echo);
+void prompt_set_result(prompt_t *pr, const char *newstr);
+void prompt_ensure_result_size(prompt_t *pr, int len);
 /* Burn the evidence. (Assumes _all_ strings want free()ing.) */
 void free_prompts(prompts_t *p);
 
@@ -932,12 +945,13 @@ void registry_cleanup(void);
  * Filename and FontSpec functions are _not allowed_ to fail to
  * return, since these defaults _must_ be per-platform.)
  *
- * The 'FontSpec *' returned by platform_default_fontspec has
- * ownership transferred to the caller, and must be freed.
+ * The 'Filename *' returned by platform_default_filename, and the
+ * 'FontSpec *' returned by platform_default_fontspec, have ownership
+ * transferred to the caller, and must be freed.
  */
 char *platform_default_s(const char *name);
 int platform_default_i(const char *name, int def);
-Filename platform_default_filename(const char *name);
+Filename *platform_default_filename(const char *name);
 FontSpec *platform_default_fontspec(const char *name);
 
 /*
@@ -1181,7 +1195,7 @@ int askalg(void *frontend, const char *algtype, const char *algname,
  *  - 0 means cancel logging for this session
  *  - -1 means please wait.
  */
-int askappend(void *frontend, Filename filename,
+int askappend(void *frontend, Filename *filename,
 	      void (*callback)(void *ctx, int result), void *ctx);
 
 /*
@@ -1263,11 +1277,18 @@ extern const char *const x11_authnames[];  /* declared in x11fwd.c */
 
 /*
  * Miscellaneous exports from the platform-specific code.
+ *
+ * filename_serialise and filename_deserialise have the same semantics
+ * as fontspec_serialise and fontspec_deserialise above.
  */
-Filename filename_from_str(const char *string);
+Filename *filename_from_str(const char *string);
 const char *filename_to_str(const Filename *fn);
-int filename_equal(Filename f1, Filename f2);
-int filename_is_null(Filename fn);
+int filename_equal(const Filename *f1, const Filename *f2);
+int filename_is_null(const Filename *fn);
+Filename *filename_copy(const Filename *fn);
+void filename_free(Filename *fn);
+int filename_serialise(const Filename *f, void *data);
+Filename *filename_deserialise(void *data, int maxsize, int *used);
 char *get_username(void);	       /* return value needs freeing */
 char *get_random_data(int bytes);      /* used in cmdgen.c */