configure.ac: add more optimization flags

[ncmpc.git] / src / charset.c

diff --git a/src/charset.c b/src/charset.c
index 6282fbf35167cc7015dafd7822c486934809a0b2..157e022e48a0c3bd30c34544cdfcce786d547ec7 100644 (file)
--- a/src/charset.c
+++ b/src/charset.c
@@ -1,21 +1,21 @@
 /* ncmpc (Ncurses MPD Client)
- * (c) 2004-2009 The Music Player Daemon Project
+ * (c) 2004-2010 The Music Player Daemon Project
  * Project homepage: http://musicpd.org
- 
+ *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
  * the Free Software Foundation; either version 2 of the License, or
  * (at your option) any later version.
-
+ *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
-
+ *
  * You should have received a copy of the GNU General Public License along
  * with this program; if not, write to the Free Software Foundation, Inc.,
  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
-*/
+ */
 
 #include "charset.h"
 
@@ -35,15 +35,31 @@ charset_init(void)
 }
 #endif
 
+#ifdef HAVE_CURSES_ENHANCED
+static inline unsigned
+unicode_char_width(gunichar ch)
+{
+#if GLIB_CHECK_VERSION(2,14,0)
+       if (g_unichar_iszerowidth(ch))
+               return 0;
+#endif
+
+       if (g_unichar_iswide(ch))
+               return 2;
+
+       return 1;
+}
+#endif /* HAVE_CURSES_ENHANCED */
+
 unsigned
 utf8_width(const char *str)
 {
        assert(str != NULL);
 
-#if defined(ENABLE_MULTIBYTE) && !defined(ENABLE_WIDE)
+#if defined(ENABLE_MULTIBYTE) && !defined(HAVE_CURSES_ENHANCED)
        return g_utf8_strlen(str, -1);
 #else
-#ifdef ENABLE_WIDE
+#ifdef HAVE_CURSES_ENHANCED
        if (g_utf8_validate(str, -1, NULL)) {
                size_t len = g_utf8_strlen(str, -1);
                unsigned width = 0;
@@ -51,7 +67,7 @@ utf8_width(const char *str)
 
                while (len--) {
                        c = g_utf8_get_char(str);
-                       width += g_unichar_iswide(c) ? 2 : 1;
+                       width += unicode_char_width(c);
                        str += g_unichar_to_utf8(c, NULL);
                }
 
@@ -78,7 +94,7 @@ locale_width(const char *p)
 
        return width;
 #else
-       return strlen(str);
+       return strlen(p);
 #endif
 }
 
@@ -132,12 +148,12 @@ utf8_cut_width(char *p, unsigned max_width)
 {
        assert(p != NULL);
 
-#ifdef ENABLE_WIDE
+#ifdef HAVE_CURSES_ENHANCED
        if (!g_utf8_validate(p, -1, NULL))
                return ascii_cut_width(p, max_width);
 
        return wide_cut_width(p, max_width);
-#elif defined(ENABLE_MULTIBYTE) && !defined(ENABLE_WIDE)
+#elif defined(ENABLE_MULTIBYTE) && !defined(HAVE_CURSES_ENHANCED)
        return narrow_cut_width(p, max_width);
 #else
        return ascii_cut_width(p, max_width);