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diff --git a/src/tool_convert.c b/src/tool_convert.c
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+/***************************************************************************
+ * _ _ ____ _
+ * Project ___| | | | _ \| |
+ * / __| | | | |_) | |
+ * | (__| |_| | _ <| |___
+ * \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2011, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at http://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+#include "setup.h"
+
+#ifdef CURL_DOES_CONVERSIONS
+
+#ifdef HAVE_ICONV
+# include <iconv.h>
+#endif
+
+#include <curl/curl.h>
+
+#include "tool_convert.h"
+
+#include "memdebug.h" /* keep this as LAST include */
+
+#ifdef HAVE_ICONV
+
+/* curl tool iconv conversion descriptors */
+static iconv_t inbound_cd = (iconv_t)-1;
+static iconv_t outbound_cd = (iconv_t)-1;
+
+/* set default codesets for iconv */
+#ifndef CURL_ICONV_CODESET_OF_NETWORK
+# define CURL_ICONV_CODESET_OF_NETWORK "ISO8859-1"
+#endif
+
+/*
+ * convert_to_network() is a curl tool function to convert
+ * from the host encoding to ASCII on non-ASCII platforms.
+ */
+CURLcode convert_to_network(char *buffer, size_t length)
+{
+ /* translate from the host encoding to the network encoding */
+ char *input_ptr, *output_ptr;
+ size_t res, in_bytes, out_bytes;
+
+ /* open an iconv conversion descriptor if necessary */
+ if(outbound_cd == (iconv_t)-1) {
+ outbound_cd = iconv_open(CURL_ICONV_CODESET_OF_NETWORK,
+ CURL_ICONV_CODESET_OF_HOST);
+ if(outbound_cd == (iconv_t)-1) {
+ return CURLE_CONV_FAILED;
+ }
+ }
+ /* call iconv */
+ input_ptr = output_ptr = buffer;
+ in_bytes = out_bytes = length;
+ res = iconv(outbound_cd, &input_ptr, &in_bytes,
+ &output_ptr, &out_bytes);
+ if((res == (size_t)-1) || (in_bytes != 0)) {
+ return CURLE_CONV_FAILED;
+ }
+
+ return CURLE_OK;
+}
+
+/*
+ * convert_from_network() is a curl tool function
+ * for performing ASCII conversions on non-ASCII platforms.
+ */
+CURLcode convert_from_network(char *buffer, size_t length)
+{
+ /* translate from the network encoding to the host encoding */
+ char *input_ptr, *output_ptr;
+ size_t res, in_bytes, out_bytes;
+
+ /* open an iconv conversion descriptor if necessary */
+ if(inbound_cd == (iconv_t)-1) {
+ inbound_cd = iconv_open(CURL_ICONV_CODESET_OF_HOST,
+ CURL_ICONV_CODESET_OF_NETWORK);
+ if(inbound_cd == (iconv_t)-1) {
+ return CURLE_CONV_FAILED;
+ }
+ }
+ /* call iconv */
+ input_ptr = output_ptr = buffer;
+ in_bytes = out_bytes = length;
+ res = iconv(inbound_cd, &input_ptr, &in_bytes,
+ &output_ptr, &out_bytes);
+ if((res == (size_t)-1) || (in_bytes != 0)) {
+ return CURLE_CONV_FAILED;
+ }
+
+ return CURLE_OK;
+}
+
+void convert_cleanup(void)
+{
+ /* close iconv conversion descriptors */
+ if(inbound_cd != (iconv_t)-1)
+ (void)iconv_close(inbound_cd);
+ if(outbound_cd != (iconv_t)-1)
+ (void)iconv_close(outbound_cd);
+}
+
+#endif /* HAVE_ICONV */
+
+char convert_char(curl_infotype infotype, char this_char)
+{
+/* determine how this specific character should be displayed */
+ switch(infotype) {
+ case CURLINFO_DATA_IN:
+ case CURLINFO_DATA_OUT:
+ case CURLINFO_SSL_DATA_IN:
+ case CURLINFO_SSL_DATA_OUT:
+ /* data, treat as ASCII */
+ if((this_char >= 0x20) && (this_char < 0x7f)) {
+ /* printable ASCII hex value: convert to host encoding */
+ (void)convert_from_network(&this_char, 1);
+ }
+ else {
+ /* non-printable ASCII, use a replacement character */
+ return UNPRINTABLE_CHAR;
+ }
+ /* fall through to default */
+ default:
+ /* treat as host encoding */
+ if(ISPRINT(this_char)
+ && (this_char != '\t')
+ && (this_char != '\r')
+ && (this_char != '\n')) {
+ /* printable characters excluding tabs and line end characters */
+ return this_char;
+ }
+ break;
+ }
+ /* non-printable, use a replacement character */
+ return UNPRINTABLE_CHAR;
+}
+
+#endif /* CURL_DOES_CONVERSIONS */
+