Allow export to work on systems without funopen/fopencookie.

3 files changed, 19 insertions, 0 deletions

diff --git a/common/ChangeLog b/common/ChangeLog
index 58695ed35..e42bebfd4 100644
--- a/common/ChangeLog
+++ b/common/ChangeLog
@@ -1,5 +1,6 @@
 2007-03-19  Werner Koch  <wk@g10code.com>
 
+	* miscellaneous.c (print_hexstring): New.
 	* estream.c (es_fprintf_unlocked): New.
 	(es_write_sanitized): New.
 	(es_write_hexstring): New.
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 )
 {
diff --git a/common/util.h b/common/util.h
index 324fbb265..2cf6e6cbe 100644
--- a/common/util.h
+++ b/common/util.h
@@ -185,6 +185,8 @@ const char *print_fname_stdin (const char *s);
 void print_string (FILE *fp, const byte *p, size_t n, int delim);
 void print_utf8_string2 ( FILE *fp, const byte *p, size_t n, int delim);
 void print_utf8_string (FILE *fp, const byte *p, size_t n);
+void print_hexstring (FILE *fp, const void *buffer, size_t length,
+                      int reserved);
 char *make_printable_string (const void *p, size_t n, int delim);
 
 int is_file_compressed (const char *s, int *ret_rc);