From 342141fcb20cffcc7c2f49e7e478ba81af467df3 Mon Sep 17 00:00:00 2001
From: Timo Sirainen <cras@irssi.org>
Date: Sat, 19 Nov 2005 18:13:18 +0000
Subject: [PATCH] If transliterations don't work in the system (eg. Solaris),
 don't allow recode_transliterate setting to be enabled.

git-svn-id: http://svn.irssi.org/repos/irssi/trunk@4082 dbcabf3a-b0e7-0310-adc4-f8d773084564
---
 src/core/recode.c                   | 21 +++++++++++++--------
 src/fe-common/core/fe-recode.c      | 11 ++++++++++-
 src/fe-common/core/module-formats.c |  1 +
 src/fe-common/core/module-formats.h |  1 +
 4 files changed, 25 insertions(+), 9 deletions(-)

diff --git a/src/core/recode.c b/src/core/recode.c
index 1dd79ca7..75a1c127 100644
--- a/src/core/recode.c
+++ b/src/core/recode.c
@@ -37,19 +37,31 @@ static gboolean recode_get_charset(const char **charset)
 }
 #endif
 
+static gboolean is_translit(const char *charset)
+{
+	char *pos;
+	pos = stristr(charset, "//translit");
+	return (pos != NULL);
+}
+
 gboolean is_valid_charset(const char *charset)
 {
 #ifdef HAVE_GLIB2
 	const char *from="UTF-8";
 	const char *str="irssi";
-	char *recoded;
+	char *recoded, *to = NULL;
 	gboolean valid;
 
 	if (!charset || *charset == '\0')
 		return FALSE;
+
+	if (settings_get_bool("recode_transliterate") && !is_translit(charset))
+		charset = to = g_strconcat(charset, "//TRANSLIT", NULL);
+
 	recoded = g_convert(str, strlen(str), charset, from, NULL, NULL, NULL);
 	valid = (recoded != NULL);
 	g_free(recoded);
+	g_free(to);
 	return valid;
 #else
 	if (!charset || *charset =='\0')
@@ -58,13 +70,6 @@ gboolean is_valid_charset(const char *charset)
 #endif
 }
 
-static gboolean is_translit(const char *charset)
-{
-	char *pos;
-	pos = stristr(charset, "//translit");
-	return (pos != NULL);
-}
-
 char *recode_in(const SERVER_REC *server, const char *str, const char *target)
 {
 #ifdef HAVE_GLIB2
diff --git a/src/fe-common/core/fe-recode.c b/src/fe-common/core/fe-recode.c
index b6d89e96..988c3762 100644
--- a/src/fe-common/core/fe-recode.c
+++ b/src/fe-common/core/fe-recode.c
@@ -155,7 +155,16 @@ static void read_settings(void)
 	char *old_term_charset = g_strdup(term_charset);
 	char *old_recode_fallback = g_strdup(recode_fallback);
 	char *old_recode_out_default = g_strdup(recode_out_default);
-	
+
+	if (settings_get_bool("recode_transliterate")) {
+		/* check if transliterations are supported in this system */
+		if (!is_valid_charset("ASCII")) {
+			printformat(NULL, NULL, MSGLEVEL_CLIENTERROR,
+				    TXT_CONVERSION_NO_TRANSLITS);
+			settings_set_bool("recode_transliterate", FALSE);
+		}
+	}
+
 	if (recode_fallback)
 		g_free(recode_fallback);
 	recode_fallback = g_strdup(settings_get_str("recode_fallback"));
diff --git a/src/fe-common/core/module-formats.c b/src/fe-common/core/module-formats.c
index 66fb9f91..d9bfc48b 100644
--- a/src/fe-common/core/module-formats.c
+++ b/src/fe-common/core/module-formats.c
@@ -255,6 +255,7 @@ FORMAT_REC fecommon_core_formats[] = {
 	{ "conversion_added", "Added {hilight $0}/{hilight $1} to conversion database", 2, { FORMAT_STRING, FORMAT_STRING } },
 	{ "conversion_removed", "Removed {hilight $0} from conversion database", 1, { FORMAT_STRING } },
 	{ "conversion_not_found", "{hilight $0} not found in conversion database", 1, { FORMAT_STRING } },
+	{ "conversion_no_translits", "Transliterations not supported in this system", 0 },
 	{ "recode_header", "%#Target                         Character set", 0 },
 	{ "recode_line", "%#%|$[!30]0 $1", 2, { FORMAT_STRING, FORMAT_STRING } },
 
diff --git a/src/fe-common/core/module-formats.h b/src/fe-common/core/module-formats.h
index 55ea9df0..8f481aca 100644
--- a/src/fe-common/core/module-formats.h
+++ b/src/fe-common/core/module-formats.h
@@ -221,6 +221,7 @@ enum {
 	TXT_CONVERSION_ADDED,
 	TXT_CONVERSION_REMOVED,
 	TXT_CONVERSION_NOT_FOUND,
+	TXT_CONVERSION_NO_TRANSLITS,
 	TXT_RECODE_HEADER,
 	TXT_RECODE_LINE,