1 files changed, 10 insertions, 8 deletions

diff --git a/src/bencoding.c b/src/bencoding.c
index a46380e..9ff9f89 100644
--- a/src/bencoding.c
+++ b/src/bencoding.c
@@ -1,3 +1,5 @@
+#include <stdbool.h>
+
 /**
  * enum of all possible bencoding types and some options to use
  * to check a type, use ORing, not direct comparison, as bdecoded structs inherit opts from bdecode function in their ->types
@@ -8,7 +10,8 @@ enum benc {
 	num = 1 << 1,
 	list = 1 << 2,
 	dict = 1 << 3,
-	replace = 1 << 4 /**< replace existing element with same key when using binsert() instead of prepending the new element before the old. see binsert() docs. */
+	replace = 1 << 4, /**< replace existing element with same key when using binsert() instead of prepending the new element before the old. see binsert() docs. */
+	nonascii2dot = 1 << 5 /**< see b2json() */
 };
 
 /**
@@ -197,22 +200,19 @@ int b2json_charsize (unsigned char a) {
 		return 2;
 	if (a < ' ')
 		return 6;
-	if (a > 127)
-		return 1;
 	return 1;
 }
 
 /**
  * write a string representation of a character in a JSON string
  *
- * non-ASCII characters are replaced with a '.'
- *
  * @param dest	[out]	destination
  * @param a	[in]	the character in question
+ * @param na2d	[in]	true if you want to convert non-ascii characters to . or false to output them literally (the latter is non-standard)
  * @return the destination pointer, incremented for the number of bytes written
  */
 
-char * b2json_charrepr (char * dest, unsigned char a) {
+char * b2json_charrepr (char * dest, unsigned char a, bool na2d) {
 	switch (a) {
 #pragma GCC diagnostic push
 #pragma GCC diagnostic ignored "-Wstringop-truncation"
@@ -243,7 +243,7 @@ char * b2json_charrepr (char * dest, unsigned char a) {
 				sprintf(buf, "\\u00%02x", a);
 				strncpy(dest, buf, 6);
 				return dest+6;
-			} else if (a > 127) {
+			} else if (a > 127 && na2d) {
 				*dest++ = '.';
 				return dest;
 			} else {
@@ -297,6 +297,8 @@ int b2json_length (struct bencoding * b) {
  *
  * writes false when struct has an incorrect type and null when NULL pointer is passed, this is in ordnung with b2json_length.
  *
+ * you can set bencoding opt nonascii2dot to convert values above 127 to '.'
+ *
  * @param dest	[in]	destination
  * @param b	[in]	bencoding structure of a bdecoded element
  * @return the destination pointer, incremented for the number of bytes written
@@ -316,7 +318,7 @@ char * b2json (char * dest, struct bencoding * b) {
 	if (b->type & string) {
 		*dest++ = '"';
 		for (size_t i = 0; i < b->valuelen; i++)
-			dest = b2json_charrepr(dest, b->value[i]);
+			dest = b2json_charrepr(dest, b->value[i], b->type & nonascii2dot);
 		*dest++ = '"';
 		return dest;
 	}