ncurses 6.0 - patch 20160528

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

diff --git a/ncurses/tty/hashmap.c b/ncurses/tty/hashmap.c
index 4a723865a4fdb0d425c3d67efd7bbe0050621865..ca166d196e47e8f793adb19277df998d41ac7e63 100644 (file)
--- a/ncurses/tty/hashmap.c
+++ b/ncurses/tty/hashmap.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2010,2011 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2015,2016 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            *
@@ -73,19 +73,23 @@ AUTHOR
 #define CUR SP_TERMTYPE
 #endif
 
-MODULE_ID("$Id: hashmap.c,v 1.63 2011/10/22 16:34:50 tom Exp $")
+MODULE_ID("$Id: hashmap.c,v 1.66 2016/05/28 23:32:40 tom Exp $")
 
 #ifdef HASHDEBUG
 
 # define _tracef       printf
 # undef TR
+# ifdef TRACE
 # define TR(n, a)      if (_nc_tracing & (n)) { _tracef a ; putchar('\n'); }
+# else
+# define TR(n, a)      { _tracef a ; putchar('\n'); }
+# endif
 # undef screen_lines
-# define screen_lines MAXLINES
-# define TEXTWIDTH     1
+# define screen_lines(sp) MAXLINES
+# define TEXTWIDTH(sp) 1
 int oldnums[MAXLINES], reallines[MAXLINES];
-static NCURSES_CH_T oldtext[MAXLINES][TEXTWIDTH];
-static NCURSES_CH_T newtext[MAXLINES][TEXTWIDTH];
+static NCURSES_CH_T oldtext[MAXLINES][TEXTWIDTH(sp)];
+static NCURSES_CH_T newtext[MAXLINES][TEXTWIDTH(sp)];
 # define OLDNUM(sp,n)  oldnums[n]
 # define OLDTEXT(sp,n) oldtext[n]
 # define NEWTEXT(sp,m) newtext[m]
@@ -120,6 +124,8 @@ hash(SCREEN *sp, NCURSES_CH_T * text)
     int i;
     NCURSES_CH_T ch;
     unsigned long result = 0;
+    (void) sp;
+
     for (i = TEXTWIDTH(sp); i > 0; i--) {
        ch = *text++;
        result += (result << 5) + (unsigned long) HASH_VAL(ch);
@@ -133,6 +139,7 @@ update_cost(SCREEN *sp, NCURSES_CH_T * from, NCURSES_CH_T * to)
 {
     int cost = 0;
     int i;
+    (void) sp;
 
     for (i = TEXTWIDTH(sp); i > 0; i--, from++, to++)
        if (!(CharEq(*from, *to)))
@@ -147,6 +154,7 @@ update_cost_from_blank(SCREEN *sp, NCURSES_CH_T * to)
     int cost = 0;
     int i;
     NCURSES_CH_T blank = blankchar;
+    (void) sp;
 
     if (back_color_erase)
        SetPair(blank, GetPair(stdscr->_nc_bkgd));
@@ -190,9 +198,8 @@ cost_effective(SCREEN *sp, const int from, const int to, const int blank)
 static void
 grow_hunks(SCREEN *sp)
 {
-    int start, end, shift;
-    int back_limit, forward_limit;     /* limits for cells to fill */
-    int back_ref_limit, forward_ref_limit;     /* limits for refrences */
+    int back_limit;            /* limits for cells to fill */
+    int back_ref_limit;                /* limit for references */
     int i;
     int next_hunk;
 
@@ -207,8 +214,11 @@ grow_hunks(SCREEN *sp)
     while (i < screen_lines(sp) && OLDNUM(sp, i) == _NEWINDEX)
        i++;
     for (; i < screen_lines(sp); i = next_hunk) {
-       start = i;
-       shift = OLDNUM(sp, i) - i;
+       int forward_limit;
+       int forward_ref_limit;
+       int end;
+       int start = i;
+       int shift = OLDNUM(sp, i) - i;
 
        /* get forward limit */
        i = start + 1;
@@ -277,7 +287,6 @@ NCURSES_SP_NAME(_nc_hash_map) (NCURSES_SP_DCL0)
 {
     HASHMAP *hsp;
     register int i;
-    int start, shift, size;
 
     if (screen_lines(SP_PARM) > lines_alloc(SP_PARM)) {
        if (hashtab(SP_PARM))
@@ -379,6 +388,8 @@ NCURSES_SP_NAME(_nc_hash_map) (NCURSES_SP_DCL0)
      * more than carry.
      */
     for (i = 0; i < screen_lines(SP_PARM);) {
+       int start, shift, size;
+
        while (i < screen_lines(SP_PARM) && OLDNUM(SP_PARM, i) == _NEWINDEX)
            i++;
        if (i >= screen_lines(SP_PARM))
@@ -486,13 +497,13 @@ main(int argc GCC_UNUSED, char *argv[]GCC_UNUSED)
        return EXIT_FAILURE;
     (void) _nc_alloc_screen();
 
-    for (n = 0; n < screen_lines; n++) {
+    for (n = 0; n < screen_lines(sp); n++) {
        reallines[n] = n;
        oldnums[n] = _NEWINDEX;
        CharOf(oldtext[n][0]) = CharOf(newtext[n][0]) = '.';
     }
 
-    if (isatty(fileno(stdin)))
+    if (NC_ISATTY(fileno(stdin)))
        usage();
 
 #ifdef TRACE
@@ -509,7 +520,7 @@ main(int argc GCC_UNUSED, char *argv[]GCC_UNUSED)
            break;
 
        case 'l':               /* get initial line number vector */
-           for (n = 0; n < screen_lines; n++) {
+           for (n = 0; n < screen_lines(sp); n++) {
                reallines[n] = n;
                oldnums[n] = _NEWINDEX;
            }
@@ -522,9 +533,9 @@ main(int argc GCC_UNUSED, char *argv[]GCC_UNUSED)
            break;
 
        case 'n':               /* use following letters as text of new lines */
-           for (n = 0; n < screen_lines; n++)
+           for (n = 0; n < screen_lines(sp); n++)
                CharOf(newtext[n][0]) = '.';
-           for (n = 0; n < screen_lines; n++)
+           for (n = 0; n < screen_lines(sp); n++)
                if (line[n + 1] == '\n')
                    break;
                else
@@ -532,9 +543,9 @@ main(int argc GCC_UNUSED, char *argv[]GCC_UNUSED)
            break;
 
        case 'o':               /* use following letters as text of old lines */
-           for (n = 0; n < screen_lines; n++)
+           for (n = 0; n < screen_lines(sp); n++)
                CharOf(oldtext[n][0]) = '.';
-           for (n = 0; n < screen_lines; n++)
+           for (n = 0; n < screen_lines(sp); n++)
                if (line[n + 1] == '\n')
                    break;
                else
@@ -546,12 +557,12 @@ main(int argc GCC_UNUSED, char *argv[]GCC_UNUSED)
            _nc_linedump();
 #endif
            (void) fputs("Old lines: [", stdout);
-           for (n = 0; n < screen_lines; n++)
+           for (n = 0; n < screen_lines(sp); n++)
                putchar(CharOf(oldtext[n][0]));
            putchar(']');
            putchar('\n');
            (void) fputs("New lines: [", stdout);
-           for (n = 0; n < screen_lines; n++)
+           for (n = 0; n < screen_lines(sp); n++)
                putchar(CharOf(newtext[n][0]));
            putchar(']');
            putchar('\n');