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Diffstat (limited to 'ncurses/widechar/lib_cchar.c')
-rw-r--r--ncurses/widechar/lib_cchar.c34
1 files changed, 21 insertions, 13 deletions
diff --git a/ncurses/widechar/lib_cchar.c b/ncurses/widechar/lib_cchar.c
index b4a0c37a285f..c61c79529db7 100644
--- a/ncurses/widechar/lib_cchar.c
+++ b/ncurses/widechar/lib_cchar.c
@@ -1,5 +1,5 @@
/****************************************************************************
- * Copyright (c) 2001-2005,2007 Free Software Foundation, Inc. *
+ * Copyright (c) 2001-2009,2010 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 *
@@ -35,7 +35,7 @@
#include <curses.priv.h>
-MODULE_ID("$Id: lib_cchar.c,v 1.12 2007/05/12 19:03:06 tom Exp $")
+MODULE_ID("$Id: lib_cchar.c,v 1.20 2010/12/25 23:46:26 tom Exp $")
/*
* The SuSv2 description leaves some room for interpretation. We'll assume wch
@@ -50,15 +50,15 @@ setcchar(cchar_t *wcval,
short color_pair,
const void *opts)
{
- int i;
- int len;
+ unsigned i;
+ unsigned len;
int code = OK;
TR(TRACE_CCALLS, (T_CALLED("setcchar(%p,%s,%lu,%d,%p)"),
- wcval, _nc_viswbuf(wch),
+ (void *) wcval, _nc_viswbuf(wch),
(unsigned long) attrs, color_pair, opts));
- len = wcslen(wch);
+ len = (unsigned) wcslen(wch);
if (opts != NULL
|| (len > 1 && wcwidth(wch[0]) < 0)) {
code = ERR;
@@ -80,7 +80,7 @@ setcchar(cchar_t *wcval,
memset(wcval, 0, sizeof(*wcval));
if (len != 0) {
- SetAttr(*wcval, attrs | COLOR_PAIR(color_pair));
+ SetAttr(*wcval, attrs | (attr_t) ColorPair(color_pair));
SetPair(CHDEREF(wcval), color_pair);
memcpy(&wcval->chars, wch, len * sizeof(wchar_t));
TR(TRACE_CCALLS, ("copy %d wchars, first is %s", len,
@@ -104,20 +104,28 @@ getcchar(const cchar_t *wcval,
int code = ERR;
TR(TRACE_CCALLS, (T_CALLED("getcchar(%p,%p,%p,%p,%p)"),
- wcval, wch, attrs, color_pair, opts));
+ (const void *) wcval,
+ (void *) wch,
+ (void *) attrs,
+ (void *) color_pair,
+ opts));
if (opts == NULL) {
- len = (wp = wmemchr(wcval->chars, L'\0', CCHARW_MAX))
- ? wp - wcval->chars
- : CCHARW_MAX;
+ len = ((wp = wmemchr(wcval->chars, L'\0', CCHARW_MAX))
+ ? (int) (wp - wcval->chars)
+ : CCHARW_MAX);
if (wch == NULL) {
- code = len;
+ /*
+ * If the value is a null, set the length to 1.
+ * If the value is not a null, return the length plus 1 for null.
+ */
+ code = (len < CCHARW_MAX) ? (len + 1) : CCHARW_MAX;
} else if (attrs == 0 || color_pair == 0) {
code = ERR;
} else if (len >= 0) {
*attrs = AttrOf(*wcval) & A_ATTRIBUTES;
- *color_pair = GetPair(*wcval);
+ *color_pair = (short) GetPair(*wcval);
wmemcpy(wch, wcval->chars, (unsigned) len);
wch[len] = L'\0';
code = OK;