Fix yaz-marcdump segfault YAZ-801
[yaz-moved-to-github.git] / src / ucs4.c
index d298224..8b677c4 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>
 
 #include "iconv-p.h"
 
-unsigned long yaz_read_UCS4(yaz_iconv_t cd, unsigned char *inp,
-                            size_t inbytesleft, size_t *no_read)
+static unsigned long read_UCS4(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 < 4)
     {
         yaz_iconv_set_errno(cd, YAZ_ICONV_EINVAL); /* incomplete input */
@@ -36,11 +36,12 @@ unsigned long yaz_read_UCS4(yaz_iconv_t cd, unsigned char *inp,
     return x;
 }
 
-unsigned long yaz_read_UCS4LE(yaz_iconv_t cd, unsigned char *inp,
-                              size_t inbytesleft, size_t *no_read)
+static unsigned long read_UCS4LE(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 < 4)
     {
         yaz_iconv_set_errno(cd, YAZ_ICONV_EINVAL); /* incomplete input */
@@ -101,7 +102,7 @@ static size_t write_UCS4LE(yaz_iconv_t cd, yaz_iconv_encoder_t en,
 
 yaz_iconv_encoder_t yaz_ucs4_encoder(const char *tocode,
                                      yaz_iconv_encoder_t e)
-    
+
 {
     if (!yaz_matchstr(tocode, "UCS4"))
         e->write_handle = write_UCS4;
@@ -112,12 +113,27 @@ yaz_iconv_encoder_t yaz_ucs4_encoder(const char *tocode,
     return e;
 }
 
+yaz_iconv_decoder_t yaz_ucs4_decoder(const char *tocode,
+                                     yaz_iconv_decoder_t d)
+
+{
+    if (!yaz_matchstr(tocode, "UCS4"))
+        d->read_handle = read_UCS4;
+    else if (!yaz_matchstr(tocode, "UCS4LE"))
+        d->read_handle = read_UCS4LE;
+    else
+        return 0;
+    return d;
+}
+
 
 
 /*
  * Local variables:
  * c-basic-offset: 4
+ * c-file-style: "Stroustrup"
  * indent-tabs-mode: nil
  * End:
  * vim: shiftwidth=4 tabstop=8 expandtab
  */
+