From 8535a64e18dcc9b7cefb6d7d7e53de3cee58641e Mon Sep 17 00:00:00 2001
From: Peter Verthez <Peter.Verthez@advalvas.be>
Date: Sun, 1 Dec 2002 12:35:32 +0000
Subject: [PATCH] Hide the implementation of some types.

---
 utf8/utf8-convert.c | 25 ++++++++++++++++++++-----
 utf8/utf8.h         | 26 +++++++-------------------
 2 files changed, 27 insertions(+), 24 deletions(-)

diff --git a/utf8/utf8-convert.c b/utf8/utf8-convert.c
index 9db6fdf..097f199 100644
--- a/utf8/utf8-convert.c
+++ b/utf8/utf8-convert.c
@@ -22,12 +22,27 @@
 #define INTERNAL_BUFFER 0
 #define EXTERNAL_BUFFER 1
 
-void reset_conv_buffer(struct conv_buffer* buf)
+struct conv_buffer {
+  char*   buffer;
+  size_t  size;
+  int     type;  /* For internal use */
+};
+
+struct convert {
+  iconv_t from_utf8;
+  iconv_t to_utf8;
+  struct conv_buffer* inbuf;
+  size_t  insize;
+  struct conv_buffer* outbuf;
+  char*   unknown;
+};
+
+void reset_conv_buffer(conv_buffer_t buf)
 {
   memset(buf->buffer, 0, buf->size);
 }
 
-struct conv_buffer* create_conv_buffer(int size)
+conv_buffer_t create_conv_buffer(int size)
 {
   struct conv_buffer* buf = NULL;
 
@@ -47,7 +62,7 @@ struct conv_buffer* create_conv_buffer(int size)
   return buf;
 }
 
-void free_conv_buffer(struct conv_buffer* buf)
+void free_conv_buffer(conv_buffer_t buf)
 {
   if (buf) {
     free(buf->buffer);
@@ -55,7 +70,7 @@ void free_conv_buffer(struct conv_buffer* buf)
   }
 }
 
-char* grow_conv_buffer(struct conv_buffer* buf, char* curr_pos)
+char* grow_conv_buffer(conv_buffer_t buf, char* curr_pos)
 {
   size_t outlen, new_size;
   char*  new_buffer;
@@ -142,7 +157,7 @@ int conversion_set_unknown(convert_t conv, const char* unknown)
   return result;
 }
 
-int conversion_set_output_buffer(convert_t conv, struct conv_buffer* buf)
+int conversion_set_output_buffer(convert_t conv, conv_buffer_t buf)
 {
   if (!conv)
     return 0;
diff --git a/utf8/utf8.h b/utf8/utf8.h
index e2a6f3b..131dfbc 100644
--- a/utf8/utf8.h
+++ b/utf8/utf8.h
@@ -16,23 +16,11 @@
 extern "C" {
 #endif
 
-#include "iconv.h"
-
-struct conv_buffer {
-  char*   buffer;
-  size_t  size;
-  int     type;  /* For internal use */
-};
-
-struct convert {
-  iconv_t from_utf8;
-  iconv_t to_utf8;
-  struct conv_buffer* inbuf;
-  size_t  insize;
-  struct conv_buffer* outbuf;
-  char*   unknown;
-};
+#include <sys/types.h>
 
+struct conv_buffer;
+struct convert;
+typedef struct conv_buffer *conv_buffer_t;
 typedef struct convert *convert_t;
 
   /* Returns -1 if the string is not a valid UTF-8 string, returns its
@@ -43,15 +31,15 @@ int   utf8_strlen(const char* input);
 int   is_utf8_string(const char* input);
 
   /* Functions for creating and freeing conversion buffers yourself */
-struct conv_buffer* create_conv_buffer(int size);
-void free_conv_buffer(struct conv_buffer* buf);
+conv_buffer_t create_conv_buffer(int size);
+void free_conv_buffer(conv_buffer_t buf);
   
   /* General conversion interface (is bidirectional) */
   /* Pass 0 for external_outbuf unless you want to control the
      output buffer yourself */
 convert_t initialize_utf8_conversion(const char* charset, int external_outbuf);
 int   conversion_set_unknown(convert_t conv, const char* unknown);
-int   conversion_set_output_buffer(convert_t conv, struct conv_buffer* buf);
+int   conversion_set_output_buffer(convert_t conv, conv_buffer_t buf);
 void  cleanup_utf8_conversion(convert_t conv);
 char* convert_from_utf8(convert_t conv, const char* input, int* conv_fails);
 char* convert_to_utf8(convert_t conv, const char* input);
-- 
2.30.2