From 2206d1d9f961078d3424d94ed968f31eceb2c704 Mon Sep 17 00:00:00 2001
From: Alexey Yakovenko <waker@users.sourceforge.net>
Date: Sun, 15 Jun 2014 21:21:43 +0200
Subject: try shift-jis detection even if disabled, in case other detectors
 fail before returning the default cp1252

---
 junklib.c | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

(limited to 'junklib.c')

diff --git a/junklib.c b/junklib.c
index d4d82583..a3d82e93 100644
--- a/junklib.c
+++ b/junklib.c
@@ -714,9 +714,6 @@ can_be_chinese (const uint8_t *str, int sz) {
 
 static int
 can_be_shift_jis (const unsigned char *str, int size) {
-    if (!enable_shift_jis_detection) {
-        return 0;
-    }
     unsigned char out[size*4];
 
     if (size < 2) {
@@ -3674,7 +3671,7 @@ junk_detect_charset_len (const char *s, int len) {
         return NULL; // means no recoding required
     }
     // try shift-jis
-    if (len > 10 && can_be_shift_jis (s, len)) {
+    if (enable_shift_jis_detection && can_be_shift_jis (s, len)) {
         return "shift-jis";
     }
     // hack to add cp936 support
@@ -3686,6 +3683,12 @@ junk_detect_charset_len (const char *s, int len) {
         return "cp1251";
     }
 
+    // if shift_jis detection is disabled, but russian and chinese failed,
+    // try it anyway
+    if (!enable_shift_jis_detection && can_be_shift_jis (s, len)) {
+        return "shift_jis";
+    }
+
     return "cp1252";
 }
 
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