void CRYPTO_free(void *str)
{
#ifndef OPENSSL_NO_CRYPTO_MDEBUG
    if (call_malloc_debug) {
        CRYPTO_mem_debug_free(str, 0);
        free(str);
        CRYPTO_mem_debug_free(str, 1);
    } else {
        free(str);
    }
#else
    free(str);
#endif
}
['int crl2pkcs7_main(int argc, char **argv)\n{\n    BIO *in = NULL, *out = NULL;\n    PKCS7 *p7 = NULL;\n    PKCS7_SIGNED *p7s = NULL;\n    STACK_OF(OPENSSL_STRING) *certflst = NULL;\n    STACK_OF(X509) *cert_stack = NULL;\n    STACK_OF(X509_CRL) *crl_stack = NULL;\n    X509_CRL *crl = NULL;\n    char *infile = NULL, *outfile = NULL, *prog, *certfile;\n    int i = 0, informat = FORMAT_PEM, outformat = FORMAT_PEM, ret = 1, nocrl =\n        0;\n    OPTION_CHOICE o;\n    prog = opt_init(argc, argv, crl2pkcs7_options);\n    while ((o = opt_next()) != OPT_EOF) {\n        switch (o) {\n        case OPT_EOF:\n        case OPT_ERR:\n opthelp:\n            BIO_printf(bio_err, "%s: Use -help for summary.\\n", prog);\n            goto end;\n        case OPT_HELP:\n            opt_help(crl2pkcs7_options);\n            ret = 0;\n            goto end;\n        case OPT_INFORM:\n            if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &informat))\n                goto opthelp;\n            break;\n        case OPT_OUTFORM:\n            if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &outformat))\n                goto opthelp;\n            break;\n        case OPT_IN:\n            infile = opt_arg();\n            break;\n        case OPT_OUT:\n            outfile = opt_arg();\n            break;\n        case OPT_NOCRL:\n            nocrl = 1;\n            break;\n        case OPT_CERTFILE:\n            if ((certflst == NULL)\n                && (certflst = sk_OPENSSL_STRING_new_null()) == NULL)\n                goto end;\n            if (!sk_OPENSSL_STRING_push(certflst, opt_arg())) {\n                sk_OPENSSL_STRING_free(certflst);\n                goto end;\n            }\n            break;\n        }\n    }\n    argc = opt_num_rest();\n    argv = opt_rest();\n    if (!nocrl) {\n        in = bio_open_default(infile, \'r\', informat);\n        if (in == NULL)\n            goto end;\n        if (informat == FORMAT_ASN1)\n            crl = d2i_X509_CRL_bio(in, NULL);\n        else if (informat == FORMAT_PEM)\n            crl = PEM_read_bio_X509_CRL(in, NULL, NULL, NULL);\n        if (crl == NULL) {\n            BIO_printf(bio_err, "unable to load CRL\\n");\n            ERR_print_errors(bio_err);\n            goto end;\n        }\n    }\n    if ((p7 = PKCS7_new()) == NULL)\n        goto end;\n    if ((p7s = PKCS7_SIGNED_new()) == NULL)\n        goto end;\n    p7->type = OBJ_nid2obj(NID_pkcs7_signed);\n    p7->d.sign = p7s;\n    p7s->contents->type = OBJ_nid2obj(NID_pkcs7_data);\n    if (!ASN1_INTEGER_set(p7s->version, 1))\n        goto end;\n    if ((crl_stack = sk_X509_CRL_new_null()) == NULL)\n        goto end;\n    p7s->crl = crl_stack;\n    if (crl != NULL) {\n        sk_X509_CRL_push(crl_stack, crl);\n        crl = NULL;\n    }\n    if ((cert_stack = sk_X509_new_null()) == NULL)\n        goto end;\n    p7s->cert = cert_stack;\n    if (certflst)\n        for (i = 0; i < sk_OPENSSL_STRING_num(certflst); i++) {\n            certfile = sk_OPENSSL_STRING_value(certflst, i);\n            if (add_certs_from_file(cert_stack, certfile) < 0) {\n                BIO_printf(bio_err, "error loading certificates\\n");\n                ERR_print_errors(bio_err);\n                goto end;\n            }\n        }\n    sk_OPENSSL_STRING_free(certflst);\n    out = bio_open_default(outfile, \'w\', outformat);\n    if (out == NULL)\n        goto end;\n    if (outformat == FORMAT_ASN1)\n        i = i2d_PKCS7_bio(out, p7);\n    else if (outformat == FORMAT_PEM)\n        i = PEM_write_bio_PKCS7(out, p7);\n    if (!i) {\n        BIO_printf(bio_err, "unable to write pkcs7 object\\n");\n        ERR_print_errors(bio_err);\n        goto end;\n    }\n    ret = 0;\n end:\n    BIO_free(in);\n    BIO_free_all(out);\n    PKCS7_free(p7);\n    X509_CRL_free(crl);\n    return (ret);\n}', 'DEFINE_SPECIAL_STACK_OF(OPENSSL_STRING, char)', 'int sk_push(_STACK *st, void *data)\n{\n    return (sk_insert(st, data, st->num));\n}', 'int sk_insert(_STACK *st, void *data, int loc)\n{\n    char **s;\n    if (st == NULL)\n        return 0;\n    if (st->num_alloc <= st->num + 1) {\n        s = OPENSSL_realloc((char *)st->data,\n                            (unsigned int)sizeof(char *) * st->num_alloc * 2);\n        if (s == NULL)\n            return (0);\n        st->data = s;\n        st->num_alloc *= 2;\n    }\n    if ((loc >= (int)st->num) || (loc < 0))\n        st->data[st->num] = data;\n    else {\n        memmove(&(st->data[loc + 1]),\n                &(st->data[loc]), sizeof(char *) * (st->num - loc));\n        st->data[loc] = data;\n    }\n    st->num++;\n    st->sorted = 0;\n    return (st->num);\n}', 'void *CRYPTO_realloc(void *str, size_t num, const char *file, int line)\n{\n    if (str == NULL)\n        return CRYPTO_malloc(num, file, line);\n    if (num == 0) {\n        CRYPTO_free(str);\n        return NULL;\n    }\n    allow_customize = 0;\n#ifndef OPENSSL_NO_CRYPTO_MDEBUG\n    if (call_malloc_debug) {\n        void *ret;\n        CRYPTO_mem_debug_realloc(str, NULL, num, 0, file, line);\n        ret = realloc(str, num);\n        CRYPTO_mem_debug_realloc(str, ret, num, 1, file, line);\n        return ret;\n    }\n#else\n    (void)file;\n    (void)line;\n#endif\n    return realloc(str, num);\n}', 'void CRYPTO_free(void *str)\n{\n#ifndef OPENSSL_NO_CRYPTO_MDEBUG\n    if (call_malloc_debug) {\n        CRYPTO_mem_debug_free(str, 0);\n        free(str);\n        CRYPTO_mem_debug_free(str, 1);\n    } else {\n        free(str);\n    }\n#else\n    free(str);\n#endif\n}']