ncurses 5.6 - patch 20070728

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

diff --git a/ncurses/base/tries.c b/ncurses/base/tries.c
index 7e60e2c88d595f3882c5272aea7f858492ec80ae..c00ef20b7d828ade9c44d75bfd6302d037f33495 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) 1998-2006,2007 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            *
  *                                                                          *
  * 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>
 
 
 #include <curses.priv.h>
 

-MODULE_ID("$Id: tries.c,v 1.20 2005/04/30 19:14:18 tom Exp $")
+MODULE_ID("$Id: tries.c,v 1.24 2007/04/07 17:14:27 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 *)
 
 /*
  * 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 short 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) {
     char *result = 0;
 
     if (code != 0) {


@@ -68,7 +68,7 @@ _nc_expand_try(struct tries *tree, unsigned short code, int *count, size_t len)
        }
     }
     if (result != 0) {
        }
     }
     if (result != 0) {

-       if ((result[len] = ptr->ch) == 0)
+       if (ptr != 0 && (result[len] = ptr->ch) == 0)

            *((unsigned char *) (result + len)) = 128;
 #ifdef TRACE
        if (len == 0 && _nc_tracing != 0)
            *((unsigned char *) (result + len)) = 128;
 #ifdef TRACE
        if (len == 0 && _nc_tracing != 0)


@@ -83,7 +83,7 @@ _nc_expand_try(struct tries *tree, unsigned short code, int *count, size_t len)
  * true if the code was found/removed.
  */
 NCURSES_EXPORT(int)
  * true if the code was found/removed.
  */
 NCURSES_EXPORT(int)

-_nc_remove_key(struct tries **tree, unsigned short 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)"), tree, code));
 


@@ -99,7 +99,7 @@ _nc_remove_key(struct tries **tree, unsigned short code)
                /* don't cut the whole sub-tree */
                (*tree)->value = 0;
            } else {
                /* 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);
            }
                *tree = (*tree)->sibling;
                free(to_free);
            }


@@ -115,7 +115,7 @@ _nc_remove_key(struct tries **tree, unsigned short code)
  * true if the string was found/removed.
  */
 NCURSES_EXPORT(int)
  * 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)"), tree, _nc_visbuf(string)));
 


@@ -127,7 +127,7 @@ _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) {
            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);
                *tree = (*tree)->sibling;
                free(to_free);
                returnCode(TRUE);