-static int asn1_check_eoc(unsigned char **in, long len);
-static int asn1_collect(BUF_MEM *buf, unsigned char **in, long len, char inf, int tag, int aclass);
-static int collect_data(BUF_MEM *buf, unsigned char **p, long plen);
-static int asn1_check_tlen(long *olen, int *otag, unsigned char *oclass, char *inf, char *cst,
- unsigned char **in, long len, int exptag, int expclass, char opt, ASN1_TLC *ctx);
-static int asn1_template_ex_d2i(ASN1_VALUE **pval, unsigned char **in, long len, const ASN1_TEMPLATE *tt, char opt, ASN1_TLC *ctx);
-static int asn1_template_noexp_d2i(ASN1_VALUE **val, unsigned char **in, long len, const ASN1_TEMPLATE *tt, char opt, ASN1_TLC *ctx);
-static int asn1_d2i_ex_primitive(ASN1_VALUE **pval, unsigned char **in, long len,
- const ASN1_ITEM *it, int tag, int aclass, char opt, ASN1_TLC *ctx);
+static int asn1_check_eoc(const unsigned char **in, long len);
+static int asn1_find_end(const unsigned char **in, long len, char inf);
+
+static int asn1_collect(BUF_MEM *buf, const unsigned char **in, long len,
+ char inf, int tag, int aclass, int depth);
+
+static int collect_data(BUF_MEM *buf, const unsigned char **p, long plen);
+
+static int asn1_check_tlen(long *olen, int *otag, unsigned char *oclass,
+ char *inf, char *cst,
+ const unsigned char **in, long len,
+ int exptag, int expclass, char opt,
+ ASN1_TLC *ctx);
+
+static int asn1_template_ex_d2i(ASN1_VALUE **pval,
+ const unsigned char **in, long len,
+ const ASN1_TEMPLATE *tt, char opt,
+ ASN1_TLC *ctx);
+static int asn1_template_noexp_d2i(ASN1_VALUE **val,
+ const unsigned char **in, long len,
+ const ASN1_TEMPLATE *tt, char opt,
+ ASN1_TLC *ctx);
+static int asn1_d2i_ex_primitive(ASN1_VALUE **pval,
+ const unsigned char **in, long len,
+ const ASN1_ITEM *it,
+ int tag, int aclass, char opt, ASN1_TLC *ctx);