From 2e40cc0b39b9e96695e70316c677f035f7bfd52e Mon Sep 17 00:00:00 2001
From: Adam Dickmeiss <adam@indexdata.dk>
Date: Thu, 24 Aug 2006 10:01:03 +0000
Subject: [PATCH] Make a public function, yaz_write_UTF8_char, to encode a
 UTF-8 sequence.

---
 include/yaz/yaz-iconv.h |   22 +++++++++++++++++++++-
 src/siconv.c            |   17 ++++++++++++-----
 2 files changed, 33 insertions(+), 6 deletions(-)

diff --git a/include/yaz/yaz-iconv.h b/include/yaz/yaz-iconv.h
index 599f8ad..83ccfff 100644
--- a/include/yaz/yaz-iconv.h
+++ b/include/yaz/yaz-iconv.h
@@ -23,7 +23,7 @@
  * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
  * OF THIS SOFTWARE.
  *
- * $Id: yaz-iconv.h,v 1.10 2006-08-04 14:35:39 adam Exp $
+ * $Id: yaz-iconv.h,v 1.11 2006-08-24 10:01:03 adam Exp $
  */
 /**
  * \file yaz-iconv.h
@@ -69,11 +69,31 @@ YAZ_EXPORT int yaz_matchstr(const char *s1, const char *s2);
 
 YAZ_EXPORT int yaz_strcmp_del(const char *a, const char *b, const char *b_del);
 
+/** \brief decodes UTF-8 sequence
+    \param inp input buffer with UTF-8 bytes
+    \param inbytesleft length of input buffer
+    \param no_read holds number of bytes read if conversion is successful
+    \param error pointer to error code if error occurs
+    \retval 0 if error
+    \retval >0 if conversion is successful
+*/
 YAZ_EXPORT unsigned long yaz_read_UTF8_char(unsigned char *inp,
                                             size_t inbytesleft,
                                             size_t *no_read,
                                             int *error);
 
+/** \brief encodes UTF-8 sequence 
+    \param x the UNICODE value
+    \param outbuf output buffer pointer, updated if conversion is successful
+    \param outbytesleft length of buffer, updated if conversino is successful
+    \param error pointer to error code if error occurs
+    \retval 0 if successful
+    \retval -1 for error
+*/
+YAZ_EXPORT size_t yaz_write_UTF8_char(unsigned long x,
+                                      char **outbuf, size_t *outbytesleft,
+                                      int *error);
+
 YAZ_END_CDECL
 
 #endif
diff --git a/src/siconv.c b/src/siconv.c
index ba54b16..0034006 100644
--- a/src/siconv.c
+++ b/src/siconv.c
@@ -2,7 +2,7 @@
  * Copyright (C) 1995-2006, Index Data ApS
  * See the file LICENSE for details.
  *
- * $Id: siconv.c,v 1.24 2006-08-04 14:35:40 adam Exp $
+ * $Id: siconv.c,v 1.25 2006-08-24 10:01:03 adam Exp $
  */
 /**
  * \file siconv.c
@@ -492,9 +492,16 @@ static unsigned long yaz_read_marc8_comb(yaz_iconv_t cd, unsigned char *inp,
     }
 }
 
-static size_t yaz_write_UTF8 (yaz_iconv_t cd, unsigned long x,
-                              char **outbuf, size_t *outbytesleft,
-                              int last)
+static size_t yaz_write_UTF8(yaz_iconv_t cd, unsigned long x,
+                             char **outbuf, size_t *outbytesleft,
+                             int last)
+{
+    return yaz_write_UTF8_char(x, outbuf, outbytesleft, &cd->my_errno);
+}
+
+size_t yaz_write_UTF8_char(unsigned long x,
+                           char **outbuf, size_t *outbytesleft,
+                           int *error)
 {
     unsigned char *outp = (unsigned char *) *outbuf;
 
@@ -545,7 +552,7 @@ static size_t yaz_write_UTF8 (yaz_iconv_t cd, unsigned long x,
     }
     else 
     {
-        cd->my_errno = YAZ_ICONV_E2BIG;  /* not room for output */
+        *error = YAZ_ICONV_E2BIG;  /* not room for output */
         return (size_t)(-1);
     }
     *outbuf = (char *) outp;
-- 
1.7.10.4