ncurses 6.1 - patch 20191207

[ncurses.git] / ncurses / base / tries.c

diff --git a/ncurses/base/tries.c b/ncurses/base/tries.c
index 4edb7317483c5e990e9fd29a7e42ce9c220189be..ad85d229213d76606bcba465176fca6ffe7e19da 100644 (file)
--- a/ncurses/base/tries.c
+++ b/ncurses/base/tries.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2003,2005 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2009,2010 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -39,16 +39,16 @@
 
 #include <curses.priv.h>
 
-MODULE_ID("$Id: tries.c,v 1.22 2005/11/26 20:09:18 tom Exp $")
+MODULE_ID("$Id: tries.c,v 1.30 2010/08/28 21:08:23 tom Exp $")
 
 /*
  * Expand a keycode into the string that it corresponds to, returning null if
  * no match was found, otherwise allocating a string of the result.
  */
 NCURSES_EXPORT(char *)
-_nc_expand_try(struct tries *tree, unsigned code, int *count, size_t len)
+_nc_expand_try(TRIES * tree, unsigned code, int *count, size_t len)
 {
-    struct tries *ptr = tree;
+    TRIES *ptr = tree;
     char *result = 0;
 
     if (code != 0) {
@@ -68,11 +68,15 @@ _nc_expand_try(struct tries *tree, unsigned code, int *count, size_t len)
        }
     }
     if (result != 0) {
-       if ((result[len] = ptr->ch) == 0)
+       if (ptr != 0 && (result[len] = (char) ptr->ch) == 0)
            *((unsigned char *) (result + len)) = 128;
 #ifdef TRACE
-       if (len == 0 && _nc_tracing != 0)
-           _tracef("expand_key %s %s", _tracechar(code), _nc_visbuf(result));
+       if (len == 0 && USE_TRACEF(TRACE_MAXIMUM)) {
+           _tracef("expand_key %s %s",
+                   _nc_tracechar(CURRENT_SCREEN, (int) code),
+                   _nc_visbuf(result));
+           _nc_unlock_global(tracef);
+       }
 #endif
     }
     return result;
@@ -83,9 +87,9 @@ _nc_expand_try(struct tries *tree, unsigned code, int *count, size_t len)
  * true if the code was found/removed.
  */
 NCURSES_EXPORT(int)
-_nc_remove_key(struct tries **tree, unsigned code)
+_nc_remove_key(TRIES ** tree, unsigned code)
 {
-    T((T_CALLED("_nc_remove_key(%p,%d)"), tree, code));
+    T((T_CALLED("_nc_remove_key(%p,%d)"), (void *) tree, code));
 
     if (code == 0)
        returnCode(FALSE);
@@ -99,7 +103,7 @@ _nc_remove_key(struct tries **tree, unsigned code)
                /* don't cut the whole sub-tree */
                (*tree)->value = 0;
            } else {
-               struct tries *to_free = *tree;
+               TRIES *to_free = *tree;
                *tree = (*tree)->sibling;
                free(to_free);
            }
@@ -115,9 +119,9 @@ _nc_remove_key(struct tries **tree, unsigned code)
  * true if the string was found/removed.
  */
 NCURSES_EXPORT(int)
-_nc_remove_string(struct tries **tree, const char *string)
+_nc_remove_string(TRIES ** tree, const char *string)
 {
-    T((T_CALLED("_nc_remove_string(%p,%s)"), tree, _nc_visbuf(string)));
+    T((T_CALLED("_nc_remove_string(%p,%s)"), (void *) tree, _nc_visbuf(string)));
 
     if (string == 0 || *string == 0)
        returnCode(FALSE);
@@ -127,7 +131,7 @@ _nc_remove_string(struct tries **tree, const char *string)
            if (string[1] != 0)
                returnCode(_nc_remove_string(&(*tree)->child, string + 1));
            if ((*tree)->child == 0) {
-               struct tries *to_free = *tree;
+               TRIES *to_free = *tree;
                *tree = (*tree)->sibling;
                free(to_free);
                returnCode(TRUE);