From 9e95c2dff6374fea6007711635063d8c1ab4fb2b Mon Sep 17 00:00:00 2001
From: Werner Koch <wk@gnupg.org>
Date: Mon, 19 Mar 2007 15:44:59 +0000
Subject: Allow export to work on systems without funopen/fopencookie.

---
 common/miscellaneous.c | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

(limited to 'common/miscellaneous.c')

diff --git a/common/miscellaneous.c b/common/miscellaneous.c
index 948c8ef48..498c2ab60 100644
--- a/common/miscellaneous.c
+++ b/common/miscellaneous.c
@@ -67,6 +67,22 @@ print_utf8_string( FILE *fp, const byte *p, size_t n )
     print_utf8_string2 (fp, p, n, 0);
 }
 
+/* Write LENGTH bytes of BUFFER to FP as a hex encoded string.
+   RESERVED must be 0. */
+void
+print_hexstring (FILE *fp, const void *buffer, size_t length, int reserved)
+{
+#define tohex(n) ((n) < 10 ? ((n) + '0') : (((n) - 10) + 'A'))
+  const unsigned char *s;
+
+  for (s = buffer; length; s++, length--)
+    {
+      putc ( tohex ((*s>>4)&15), fp);
+      putc ( tohex (*s&15), fp);
+    }
+#undef tohex
+}
+
 char *
 make_printable_string (const void *p, size_t n, int delim )
 {
-- 
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