Initial revision
git-svn-id: https://asn1c.svn.sourceforge.net/svnroot/asn1c/trunk@2 59561ff5-6e30-0410-9f3c-9617f08c8826
diff --git a/skeletons/BIT_STRING.c b/skeletons/BIT_STRING.c
new file mode 100644
index 0000000..19b6ff2
--- /dev/null
+++ b/skeletons/BIT_STRING.c
@@ -0,0 +1,96 @@
+/*-
+ * Copyright (c) 2003, 2004 Lev Walkin <vlm@lionet.info>. All rights reserved.
+ * Redistribution and modifications are permitted subject to BSD license.
+ */
+#include <BIT_STRING.h>
+
+/*
+ * BIT STRING basic type description.
+ */
+static ber_tlv_tag_t asn1_DEF_BIT_STRING_tags[] = {
+ (ASN_TAG_CLASS_UNIVERSAL | (3 << 2))
+};
+asn1_TYPE_descriptor_t asn1_DEF_BIT_STRING = {
+ "BIT STRING",
+ BIT_STRING_constraint,
+ OCTET_STRING_decode_ber, /* Implemented in terms of OCTET STRING */
+ OCTET_STRING_encode_der, /* Implemented in terms of OCTET STRING */
+ BIT_STRING_print,
+ OCTET_STRING_free, /* Implemented in terms of OCTET STRING */
+ 0, /* Use generic outmost tag fetcher */
+ asn1_DEF_BIT_STRING_tags,
+ sizeof(asn1_DEF_BIT_STRING_tags)
+ / sizeof(asn1_DEF_BIT_STRING_tags[0]),
+ 1, /* Single UNIVERSAL tag may be implicitly overriden */
+ -1, /* Both ways are fine */
+ (void *)-1 /* Special indicator that this is a BIT STRING */
+};
+
+/*
+ * BIT STRING generic constraint.
+ */
+int
+BIT_STRING_constraint(asn1_TYPE_descriptor_t *td, const void *sptr,
+ asn_app_consume_bytes_f *app_errlog, void *app_key) {
+ const BIT_STRING_t *st = sptr;
+
+ if(st && st->buf) {
+ if(st->size) {
+ if(st->size == 1 && st->buf[0] != 0) {
+ _ASN_ERRLOG("%s: invalid padding byte",
+ td->name);
+ return -1;
+ }
+ } else {
+ _ASN_ERRLOG("%s: no padding byte", td->name);
+ return -1;
+ }
+ } else {
+ _ASN_ERRLOG("%s: value not given", td->name);
+ return -1;
+ }
+
+ return 0;
+}
+
+/*
+ * BIT STRING specific contents printer.
+ */
+int
+BIT_STRING_print(asn1_TYPE_descriptor_t *td, const void *sptr, int ilevel,
+ asn_app_consume_bytes_f *cb, void *app_key) {
+ static char h2c[16] = "0123456789ABCDEF";
+ char scratch[64];
+ const BIT_STRING_t *st = sptr;
+ uint8_t *buf;
+ uint8_t *end;
+ char *p = scratch;
+
+ if(!st || !st->buf) return cb("<absent>", 8, app_key);
+
+ ilevel += 4;
+ buf = st->buf;
+ end = buf + st->size;
+
+ /*
+ * Hexadecimal dump.
+ */
+ for(buf++; buf < end; buf++) {
+ if(((buf - st->buf) - 1) % 16 == 0) {
+ int i;
+ /* Indentation */
+ if(cb("\n", 1, app_key)) return -1;
+ for(i = 0; i < ilevel; i++) cb(" ", 1, app_key);
+ /* Dump the string */
+ if(cb(scratch, p - scratch, app_key)) return -1;
+ p = scratch;
+ }
+ *p++ = h2c[*buf >> 4];
+ *p++ = h2c[*buf & 0x0F];
+ *p++ = 0x20;
+ }
+
+ /* Dump the incomplete 16-bytes row */
+ return cb(scratch, p - scratch, app_key);
+}
+