From 096c92e5c261b3a17d04c614079cae12c3cf4340 Mon Sep 17 00:00:00 2001
From: "Dirk-Jan C. Binnema" <djcb@djcbsoftware.nl>
Date: Tue, 31 May 2011 23:17:09 +0300
Subject: [PATCH] * add mu_util_print_encoded, mu_util_printerr_encoded,
 mu_util_fputs_encoded,   for printing where the input (in utf8) is converted
 to the current locale   before  printing (WIP)

---
 src/mu-util.c | 76 +++++++++++++++++++++++++++++++++++++++++++++++++++
 src/mu-util.h | 35 ++++++++++++++++++++++++
 2 files changed, 111 insertions(+)

diff --git a/src/mu-util.c b/src/mu-util.c
index 6081bb04..ec4f6b25 100644
--- a/src/mu-util.c
+++ b/src/mu-util.c
@@ -370,3 +370,79 @@ mu_util_get_dtype_with_lstat (const char *path)
 }
 
 
+
+gboolean
+mu_util_fputs_encoded (const char *str, FILE *stream)
+{
+	char *conv;
+	GError *err;
+	int rv;
+	
+	g_return_val_if_fail (str, FALSE);
+	g_return_val_if_fail (stream, FALSE);
+		
+	err = NULL;
+	conv = g_locale_from_utf8 (str, -1, NULL, NULL, &err);
+	if (err) {
+		g_printerr ("conversion failed: %s", err->message);
+		g_error_free (err);
+		return FALSE;
+	}
+
+	rv = fputs (conv, stream);
+	g_free (conv);
+	
+	if (rv == EOF) { /* note, apparently, does not set errno */
+		g_printerr ("fputs failed");
+		return FALSE;
+	}
+
+	return TRUE;
+}
+
+
+static gboolean
+print_args (FILE *stream, const char *frm, va_list args)
+{
+	gchar *str;
+	gboolean rv;
+	
+	str = g_strdup_vprintf (frm, args);
+
+	rv = mu_util_fputs_encoded (str, stream);
+
+	g_free (str);
+
+	return rv;
+}
+
+
+gboolean
+mu_util_print_encoded (const char *frm, ...)
+{
+	va_list args;
+	gboolean rv;
+
+	g_return_val_if_fail (frm, FALSE);
+	
+	va_start (args, frm);
+	rv = print_args (stdout, frm, args);
+	va_end (args);
+
+	return rv;
+}
+
+gboolean
+mu_util_printerr_encoded (const char *frm, ...)
+{
+	va_list args;
+	gboolean rv;
+
+	g_return_val_if_fail (frm, FALSE);
+	
+	va_start (args, frm);
+	rv = print_args (stderr, frm, args);
+	va_end (args);
+
+	return rv;
+}
diff --git a/src/mu-util.h b/src/mu-util.h
index 0ebcba0f..f332ab9f 100644
--- a/src/mu-util.h
+++ b/src/mu-util.h
@@ -23,6 +23,7 @@
 #define __MU_UTIL_H__
 
 #include <glib.h>
+#include <stdio.h>
 #include <dirent.h>
 #include <sys/stat.h> /* for mode_t */
 
@@ -133,6 +134,40 @@ int mu_util_create_writeable_fd (const char* path, mode_t mode,
  */
 gboolean mu_util_is_local_file (const char* path);
 
+
+/**
+ * write a string (assumed to be in utf8-format) to a stream,
+ * converted to the current locale
+ * 
+ * @param str a string
+ * @param stream a stream
+ * 
+ * @return TRUE if printing worked, FALSE otherwise
+ */
+gboolean mu_util_fputs_encoded (const char *str, FILE *stream);
+
+/**
+ * print a formatted string (assumed to be in utf8-format) to stdout,
+ * converted to the current locale
+ * 
+ * @param a standard printf() format string, followed by a parameter list
+ * 
+ * @return TRUE if printing worked, FALSE otherwise
+ */
+gboolean mu_util_print_encoded (const char *frm, ...) G_GNUC_PRINTF(1,2);
+
+/**
+ * print a formatted string (assumed to be in utf8-format) to stderr,
+ * converted to the current locale
+ * 
+ * @param a standard printf() format string, followed by a parameter list
+ * 
+ * @return TRUE if printing worked, FALSE otherwise
+ */
+gboolean mu_util_printerr_encoded (const char *frm, ...) G_GNUC_PRINTF(1,2);
+
+
+
 /**
  * try to 'play' (ie., open with it's associated program) a
  * file. depends on xdg-open to do the actual opening