ncurses 5.9 - patch 20140426

[ncurses.git] / ncurses / tty / hashmap.c

diff --git a/ncurses/tty/hashmap.c b/ncurses/tty/hashmap.c
index 926c538fad33f99e2b223fb6f9a64b91d3993a84..9282276110aa3155748996e6134b97008a24f061 100644 (file)
--- a/ncurses/tty/hashmap.c
+++ b/ncurses/tty/hashmap.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2007,2009 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2011,2014 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            *
@@ -73,7 +73,7 @@ AUTHOR
 #define CUR SP_TERMTYPE
 #endif
 
-MODULE_ID("$Id: hashmap.c,v 1.59 2009/05/10 00:51:57 tom Exp $")
+MODULE_ID("$Id: hashmap.c,v 1.64 2014/04/26 18:48:44 juergen Exp $")
 
 #ifdef HASHDEBUG
 
@@ -94,10 +94,10 @@ static NCURSES_CH_T newtext[MAXLINES][TEXTWIDTH];
 #else /* !HASHDEBUG */
 
 # define OLDNUM(sp,n)  (sp)->_oldnum_list[n]
-# define OLDTEXT(sp,n) (sp)->_curscr->_line[n].text
-# define NEWTEXT(sp,m) (sp)->_newscr->_line[m].text
-# define TEXTWIDTH(sp) ((sp)->_curscr->_maxx+1)
-# define PENDING(sp,n)  ((sp)->_newscr->_line[n].firstchar != _NOCHANGE)
+# define OLDTEXT(sp,n) CurScreen(sp)->_line[n].text
+# define NEWTEXT(sp,m) NewScreen(sp)->_line[m].text
+# define TEXTWIDTH(sp) (CurScreen(sp)->_maxx + 1)
+# define PENDING(sp,n)  (NewScreen(sp)->_line[n].firstchar != _NOCHANGE)
 
 #endif /* !HASHDEBUG */
 
@@ -122,7 +122,7 @@ hash(SCREEN *sp, NCURSES_CH_T * text)
     unsigned long result = 0;
     for (i = TEXTWIDTH(sp); i > 0; i--) {
        ch = *text++;
-       result += (result << 5) + HASH_VAL(ch);
+       result += (result << 5) + (unsigned long) HASH_VAL(ch);
     }
     return result;
 }
@@ -163,7 +163,7 @@ update_cost_from_blank(SCREEN *sp, NCURSES_CH_T * to)
  * effective. 'blank' indicates whether the line 'to' would become blank.
  */
 static NCURSES_INLINE bool
-cost_effective(SCREEN *sp, const int from, const int to, const bool blank)
+cost_effective(SCREEN *sp, const int from, const int to, const int blank)
 {
     int new_from;
 
@@ -282,7 +282,8 @@ NCURSES_SP_NAME(_nc_hash_map) (NCURSES_SP_DCL0)
     if (screen_lines(SP_PARM) > lines_alloc(SP_PARM)) {
        if (hashtab(SP_PARM))
            free(hashtab(SP_PARM));
-       hashtab(SP_PARM) = typeMalloc(HASHMAP, (screen_lines(SP_PARM) + 1) * 2);
+       hashtab(SP_PARM) = typeMalloc(HASHMAP,
+                                     ((size_t) screen_lines(SP_PARM) + 1) * 2);
        if (!hashtab(SP_PARM)) {
            if (oldhash(SP_PARM)) {
                FreeAndNull(oldhash(SP_PARM));
@@ -303,10 +304,10 @@ NCURSES_SP_NAME(_nc_hash_map) (NCURSES_SP_DCL0)
        /* re-hash all */
        if (oldhash(SP_PARM) == 0)
            oldhash(SP_PARM) = typeCalloc(unsigned long,
-                                           (unsigned) screen_lines(SP_PARM));
+                                           (size_t) screen_lines(SP_PARM));
        if (newhash(SP_PARM) == 0)
            newhash(SP_PARM) = typeCalloc(unsigned long,
-                                           (unsigned) screen_lines(SP_PARM));
+                                           (size_t) screen_lines(SP_PARM));
        if (!oldhash(SP_PARM) || !newhash(SP_PARM))
            return;             /* malloc failure */
        for (i = 0; i < screen_lines(SP_PARM); i++) {
@@ -328,7 +329,8 @@ NCURSES_SP_NAME(_nc_hash_map) (NCURSES_SP_DCL0)
      * Set up and count line-hash values.
      */
     memset(hashtab(SP_PARM), '\0',
-          sizeof(*(hashtab(SP_PARM))) * (screen_lines(SP_PARM) + 1) * 2);
+          sizeof(*(hashtab(SP_PARM)))
+          * ((size_t) screen_lines(SP_PARM) + 1) * 2);
     for (i = 0; i < screen_lines(SP_PARM); i++) {
        unsigned long hashval = oldhash(SP_PARM)[i];
 
@@ -433,7 +435,7 @@ NCURSES_SP_NAME(_nc_scroll_oldhash) (NCURSES_SP_DCLx int n, int top, int bot)
     if (!oldhash(SP_PARM))
        return;
 
-    size = sizeof(*(oldhash(SP_PARM))) * (bot - top + 1 - abs(n));
+    size = sizeof(*(oldhash(SP_PARM))) * (size_t) (bot - top + 1 - abs(n));
     if (n > 0) {
        memmove(oldhash(SP_PARM) + top, oldhash(SP_PARM) + top + n, size);
        for (i = bot; i > bot - n; i--)
@@ -490,7 +492,7 @@ main(int argc GCC_UNUSED, char *argv[]GCC_UNUSED)
        CharOf(oldtext[n][0]) = CharOf(newtext[n][0]) = '.';
     }
 
-    if (isatty(fileno(stdin)))
+    if (NC_ISATTY(fileno(stdin)))
        usage();
 
 #ifdef TRACE