From 87e8d7f3e8fa5a005c2aae06b6e00c4ba47d0c7e Mon Sep 17 00:00:00 2001
From: Max Kellermann <max@duempel.org>
Date: Mon, 19 Oct 2009 08:18:43 +0200
Subject: [PATCH] charset: added "replace" functions

These functions are a shortcut for a common use case: convert an
allocated string in-place.
---
 src/charset.c | 31 +++++++++++++++++++++++++++++++
 src/charset.h | 15 +++++++++++++++
 src/wreadln.c |  3 +--
 3 files changed, 47 insertions(+), 2 deletions(-)

diff --git a/src/charset.c b/src/charset.c
index 85cb891..59d1a26 100644
--- a/src/charset.c
+++ b/src/charset.c
@@ -107,3 +107,34 @@ locale_to_utf8(const char *localestr)
 	return g_strdup(localestr);
 #endif
 }
+
+char *
+replace_utf8_to_locale(char *src)
+{
+#ifdef ENABLE_LOCALE
+	assert(src != NULL);
+
+	if (noconvert)
+		return src;
+
+	return utf8_to_locale(src);
+#else
+	return src;
+#endif
+}
+
+
+char *
+replace_locale_to_utf8(char *src)
+{
+#ifdef ENABLE_LOCALE
+	assert(src != NULL);
+
+	if (noconvert)
+		return src;
+
+	return locale_to_utf8(src);
+#else
+	return src;
+#endif
+}
diff --git a/src/charset.h b/src/charset.h
index d1b3f75..a08054b 100644
--- a/src/charset.h
+++ b/src/charset.h
@@ -41,4 +41,19 @@ utf8_width(const char *str);
 char *utf8_to_locale(const char *str);
 char *locale_to_utf8(const char *str);
 
+/**
+ * Converts the UTF-8 string to the locale, and frees the source
+ * pointer.  Returns the source pointer as-is if no conversion is
+ * required.
+ */
+char *
+replace_utf8_to_locale(char *src);
+
+/**
+ * Converts the locale string to UTF-8, and frees the source pointer.
+ * Returns the source pointer as-is if no conversion is required.
+ */
+char *
+replace_locale_to_utf8(char *src);
+
 #endif
diff --git a/src/wreadln.c b/src/wreadln.c
index ad1047f..66a1f1c 100644
--- a/src/wreadln.c
+++ b/src/wreadln.c
@@ -93,8 +93,7 @@ byte_to_screen(const gchar *data, size_t x)
 
 	dup = g_strdup(data);
 	dup[x] = 0;
-	p = locale_to_utf8(dup);
-	g_free(dup);
+	p = replace_locale_to_utf8(dup);
 
 	width = utf8_width(p);
 	g_free(p);
-- 
2.30.2