From 20cd751db12c400c98533c1b98fa984a9aecf9db Mon Sep 17 00:00:00 2001
From: Max Kellermann <max@duempel.org>
Date: Thu, 25 Dec 2008 04:47:56 +0100
Subject: [PATCH] configure.ac: added --disable-multibyte

This allows you to disable wide character support, retaining multibyte
character support.
---
 NEWS          |  3 +++
 configure.ac  | 15 +++++++++++++++
 src/charset.c |  4 ++++
 src/options.c |  3 +++
 src/wreadln.c | 16 ++++++++--------
 5 files changed, 33 insertions(+), 8 deletions(-)

diff --git a/NEWS b/NEWS
index 59b8077..92b426e 100644
--- a/NEWS
+++ b/NEWS
@@ -1,6 +1,9 @@
 ncmpc 0.13 - not yet released
   * added output configuration screen, default hotkey F8
   * new --disable-locale configure option
+  * new --disable-multibyte configure option; this allows you to
+    disable wide character support, retaining multibyte character
+    support
 
 
 ncmpc 0.12 - 2008-12-05
diff --git a/configure.ac b/configure.ac
index 6211f0e..d9748b9 100644
--- a/configure.ac
+++ b/configure.ac
@@ -125,6 +125,21 @@ if test "x$enable_wide" = "xyes" ; then
     AC_DEFINE([ENABLE_WIDE], [1], [Enable wide character support])
 fi
 
+dnl multi-byte character support
+
+AC_ARG_ENABLE([multibyte],
+	AC_HELP_STRING([--disable-multibyte],
+		[Disable multibyte character support (default: enabled)]),
+		[enable_multibyte=$enableval],
+		[enable_multibyte=$disable_mini])
+
+if test x$enable_multibyte = xyes; then
+	AC_DEFINE([ENABLE_MULTIBYTE], [1], [Enable multibyte character support])
+else
+	if test x$enable_wide = xyes; then
+		AC_MSG_WARN(wide characters without multibyte characters makes little sense)
+	fi
+fi
 
 dnl Check for glib-2.4
 PKG_CHECK_MODULES([GLIB], [glib-2.0 >= 2.4],,
diff --git a/src/charset.c b/src/charset.c
index b948636..fb22f0b 100644
--- a/src/charset.c
+++ b/src/charset.c
@@ -41,6 +41,9 @@ utf8_width(const char *str)
 {
 	assert(str != NULL);
 
+#if defined(ENABLE_MULTIBYTE) && !defined(ENABLE_WIDE)
+	return g_utf8_strlen(str, -1);
+#else
 #ifdef ENABLE_WIDE
 	if (g_utf8_validate(str, -1, NULL)) {
 		size_t len = g_utf8_strlen(str, -1);
@@ -57,6 +60,7 @@ utf8_width(const char *str)
 	} else
 #endif
 		return strlen(str);
+#endif
 }
 
 char *
diff --git a/src/options.c b/src/options.c
index 7c82f7c..918f313 100644
--- a/src/options.c
+++ b/src/options.c
@@ -166,6 +166,9 @@ handle_option(int c, const char *arg)
 #ifndef NDEBUG
 		     " debug"
 #endif
+#ifdef ENABLE_MULTIBYTE
+		     " multibyte"
+#endif
 #ifdef ENABLE_WIDE
 		     " wide"
 #endif
diff --git a/src/wreadln.c b/src/wreadln.c
index a382fce..dccf084 100644
--- a/src/wreadln.c
+++ b/src/wreadln.c
@@ -26,7 +26,7 @@
 #include <string.h>
 #include <glib.h>
 
-#ifdef ENABLE_WIDE
+#if defined(ENABLE_WIDE) || defined(ENABLE_MULTIBYTE)
 #include <sys/poll.h>
 #endif
 
@@ -82,7 +82,7 @@ wrln_gcmp_post_cb_t wrln_post_completion_callback = NULL;
 static unsigned
 byte_to_screen(const gchar *data, size_t x)
 {
-#ifdef ENABLE_WIDE
+#if defined(ENABLE_WIDE) || defined(ENABLE_MULTIBYTE)
 	gchar *dup;
 	char *p;
 	unsigned width;
@@ -109,7 +109,7 @@ byte_to_screen(const gchar *data, size_t x)
 static size_t
 screen_to_bytes(const gchar *data, unsigned width)
 {
-#ifdef ENABLE_WIDE
+#if defined(ENABLE_WIDE) || defined(ENABLE_MULTIBYTE)
 	size_t length = strlen(data);
 	gchar *dup = g_strdup(data);
 	char *p;
@@ -149,7 +149,7 @@ cursor_column(const struct wreadln *wr)
 static inline size_t
 right_align_bytes(const gchar *data, size_t right, unsigned width)
 {
-#ifdef ENABLE_WIDE
+#if defined(ENABLE_WIDE) || defined(ENABLE_MULTIBYTE)
 	gchar *dup;
 	size_t start = 0;
 
@@ -191,7 +191,7 @@ right_align_bytes(const gchar *data, size_t right, unsigned width)
 static inline size_t
 next_char_size(const gchar *data)
 {
-#ifdef ENABLE_WIDE
+#if defined(ENABLE_WIDE) || defined(ENABLE_MULTIBYTE)
 	char *p = locale_to_utf8(data), *q;
 	gunichar c;
 	size_t size;
@@ -216,7 +216,7 @@ next_char_size(const gchar *data)
 static inline size_t
 prev_char_size(const gchar *data, size_t x)
 {
-#ifdef ENABLE_WIDE
+#if defined(ENABLE_WIDE) || defined(ENABLE_MULTIBYTE)
 	char *p = locale_to_utf8(data), *q;
 	gunichar c;
 	size_t size;
@@ -300,7 +300,7 @@ static inline void drawline(const struct wreadln *wr)
 	doupdate();
 }
 
-#ifdef ENABLE_WIDE
+#if defined(ENABLE_WIDE) || defined(ENABLE_MULTIBYTE)
 static bool
 multibyte_is_complete(const char *p, size_t length)
 {
@@ -321,7 +321,7 @@ static void
 wreadln_insert_byte(struct wreadln *wr, gint key)
 {
 	size_t rest = strlen(wr->line + wr->cursor) + 1;
-#ifdef ENABLE_WIDE
+#if defined(ENABLE_WIDE) || defined(ENABLE_MULTIBYTE)
 	char buffer[32] = { key };
 	size_t length = 1;
 	struct pollfd pfd = {
-- 
2.30.2