BNER: Make OCTET_STRING_print a weak function

This will allow a bacnet library to override this function and be able to
pretty print the BNER primitives:
  Double
  CharacterString
  Date
  Time
  BACnetObjectIdentifier

Author: ringlej

skeletons/OCTET_STRING.c

@@ -1653,8 +1653,8 @@ OCTET_STRING_encode_uper(const asn_TYPE_descriptor_t *td,
 #endif  /* ASN_DISABLE_PER_SUPPORT */
 
 int
-OCTET_STRING_print(const asn_TYPE_descriptor_t *td, const void *sptr,
-                   int ilevel, asn_app_consume_bytes_f *cb, void *app_key) {
+OCTET_STRING_print_impl(const asn_TYPE_descriptor_t *td, const void *sptr,
+                        int ilevel, asn_app_consume_bytes_f *cb, void *app_key) {
     const char * const h2c = "0123456789ABCDEF";
 	const OCTET_STRING_t *st = (const OCTET_STRING_t *)sptr;
 	char scratch[16 * 3 + 4];
@@ -1694,6 +1694,12 @@ OCTET_STRING_print(const asn_TYPE_descriptor_t *td, const void *sptr,
 	return 0;
 }
 
+__attribute__((weak)) int
+OCTET_STRING_print(const asn_TYPE_descriptor_t *td, const void *sptr,
+                   int ilevel, asn_app_consume_bytes_f *cb, void *app_key) {
+	return OCTET_STRING_print_impl(td, sptr, ilevel, cb, app_key);
+}
+
 int
 OCTET_STRING_print_utf8(const asn_TYPE_descriptor_t *td, const void *sptr,
                         int ilevel, asn_app_consume_bytes_f *cb,

skeletons/OCTET_STRING.h

@@ -23,6 +23,7 @@ extern asn_TYPE_operation_t asn_OP_OCTET_STRING;
 
 asn_struct_free_f OCTET_STRING_free;
 asn_struct_print_f OCTET_STRING_print;
+asn_struct_print_f OCTET_STRING_print_impl;
 asn_struct_print_f OCTET_STRING_print_utf8;
 asn_struct_compare_f OCTET_STRING_compare;
 ber_type_decoder_f OCTET_STRING_decode_ber;