diff options
Diffstat (limited to 'contrib/ncurses/ncurses/tty/hashmap.c')
-rw-r--r-- | contrib/ncurses/ncurses/tty/hashmap.c | 55 |
1 files changed, 25 insertions, 30 deletions
diff --git a/contrib/ncurses/ncurses/tty/hashmap.c b/contrib/ncurses/ncurses/tty/hashmap.c index 6d3d61d..1c30526 100644 --- a/contrib/ncurses/ncurses/tty/hashmap.c +++ b/contrib/ncurses/ncurses/tty/hashmap.c @@ -1,5 +1,5 @@ /**************************************************************************** - * Copyright (c) 1998,2000 Free Software Foundation, Inc. * + * Copyright (c) 1998,2000,2001 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 * @@ -70,7 +70,7 @@ AUTHOR #include <curses.priv.h> #include <term.h> /* for back_color_erase */ -MODULE_ID("$Id: hashmap.c,v 1.36 2000/12/10 03:04:30 tom Exp $") +MODULE_ID("$Id: hashmap.c,v 1.45 2001/12/19 01:06:49 tom Exp $") #ifdef HASHDEBUG @@ -97,47 +97,56 @@ static chtype oldtext[MAXLINES][TEXTWIDTH], newtext[MAXLINES][TEXTWIDTH]; #endif /* !HASHDEBUG */ -#define oldhash (SP->oldhash) -#define newhash (SP->newhash) +#define oldhash (SP->oldhash) +#define newhash (SP->newhash) +#define hashtab (SP->hashtab) +#define lines_alloc (SP->hashtab_len) + +#if USE_WIDEC_SUPPORT +#define HASH_VAL(ch) (ch.chars[0]) +#else +#define HASH_VAL(ch) (ch) +#endif static inline unsigned long -hash(chtype * text) +hash(NCURSES_CH_T * text) { int i; - chtype ch; + NCURSES_CH_T ch; unsigned long result = 0; for (i = TEXTWIDTH; i > 0; i--) { ch = *text++; - result += (result << 5) + ch; + result += (result << 5) + HASH_VAL(ch); } return result; } /* approximate update cost */ static int -update_cost(chtype * from, chtype * to) +update_cost(NCURSES_CH_T * from, NCURSES_CH_T * to) { int cost = 0; int i; for (i = TEXTWIDTH; i > 0; i--) - if (*from++ != *to++) + if (!(CharEq(*from++, *to++))) cost++; return cost; } + static int -update_cost_from_blank(chtype * to) +update_cost_from_blank(NCURSES_CH_T * to) { int cost = 0; int i; - chtype blank = BLANK; + NCURSES_CH_T blank = NewChar2(BLANK_TEXT, BLANK_ATTR); if (back_color_erase) - blank |= (stdscr->_bkgd & A_COLOR); + AddAttr(blank, (AttrOf(stdscr->_nc_bkgd) & A_COLOR)); for (i = TEXTWIDTH; i > 0; i--) - if (blank != *to++) + if (!(CharEq(blank, *to++))) cost++; return cost; @@ -171,15 +180,6 @@ cost_effective(const int from, const int to, const bool blank) + update_cost(OLDTEXT(from), NEWTEXT(to)))) ? TRUE : FALSE; } -typedef struct { - unsigned long hashval; - int oldcount, newcount; - int oldindex, newindex; -} sym; - -static sym *hashtab = 0; -static int lines_alloc = 0; - static void grow_hunks(void) { @@ -267,14 +267,14 @@ grow_hunks(void) NCURSES_EXPORT(void) _nc_hash_map(void) { - sym *sp; + HASHMAP *sp; register int i; int start, shift, size; if (screen_lines > lines_alloc) { if (hashtab) free(hashtab); - hashtab = typeMalloc(sym, (screen_lines + 1) * 2); + hashtab = typeMalloc(HASHMAP, (screen_lines + 1) * 2); if (!hashtab) { if (oldhash) { FreeAndNull(oldhash); @@ -387,11 +387,6 @@ _nc_hash_map(void) /* After clearing invalid hunks, try grow the rest. */ grow_hunks(); - -#if NO_LEAKS - FreeAndNull(hashtab); - lines_alloc = 0; -#endif } NCURSES_EXPORT(void) @@ -404,7 +399,7 @@ _nc_make_oldhash(int i) NCURSES_EXPORT(void) _nc_scroll_oldhash(int n, int top, int bot) { - int size; + size_t size; int i; if (!oldhash) |