nmake: ICU_VER helper var
[yaz-moved-to-github.git] / src / iconv_encode_wchar.c
index cf0a5f6..191a907 100644 (file)
@@ -1,5 +1,5 @@
 /* This file is part of the YAZ toolkit.
- * Copyright (C) 1995-2008 Index Data
+ * Copyright (C) Index Data
  * See the file LICENSE for details.
  */
 /**
 #include <assert.h>
 #include <errno.h>
 #include <string.h>
-#include <ctype.h>
 #if HAVE_WCHAR_H
 #include <wchar.h>
 #endif
 
 #include <yaz/xmalloc.h>
-#include <yaz/nmem.h>
-#include <yaz/snprintf.h>
 #include "iconv-p.h"
 
 struct encoder_data
@@ -55,7 +52,7 @@ static size_t write_wchar_t(yaz_iconv_t cd, yaz_iconv_encoder_t en,
 
 yaz_iconv_encoder_t yaz_wchar_encoder(const char *tocode,
                                      yaz_iconv_encoder_t e)
-    
+
 {
 #if HAVE_WCHAR_H
     if (!yaz_matchstr(tocode, "wchar_t"))
@@ -67,11 +64,50 @@ yaz_iconv_encoder_t yaz_wchar_encoder(const char *tocode,
     return 0;
 }
 
+#if HAVE_WCHAR_H
+static unsigned long read_wchar_t(yaz_iconv_t cd, yaz_iconv_decoder_t d,
+                                  unsigned char *inp,
+                                  size_t inbytesleft, size_t *no_read)
+{
+    unsigned long x = 0;
+
+    if (inbytesleft < sizeof(wchar_t))
+    {
+        yaz_iconv_set_errno(cd, YAZ_ICONV_EINVAL); /* incomplete input */
+        *no_read = 0;
+    }
+    else
+    {
+        wchar_t wch;
+        memcpy(&wch, inp, sizeof(wch));
+        x = wch;
+        *no_read = sizeof(wch);
+    }
+    return x;
+}
+#endif
+
+yaz_iconv_decoder_t yaz_wchar_decoder(const char *fromcode,
+                                     yaz_iconv_decoder_t d)
+
+{
+#if HAVE_WCHAR_H
+    if (!yaz_matchstr(fromcode, "wchar_t"))
+    {
+        d->read_handle = read_wchar_t;
+        return d;
+    }
+#endif
+    return 0;
+}
+
 
 /*
  * Local variables:
  * c-basic-offset: 4
+ * c-file-style: "Stroustrup"
  * indent-tabs-mode: nil
  * End:
  * vim: shiftwidth=4 tabstop=8 expandtab
  */
+