21  * This program sets up a chain of BIO_f_filter() on top of bio_out, how
24  * text from bio_in and prints it out through the BIO chain.
40 static BIO **chain = NULL;  variable
53      * idx is the index to the BIO_f_filter chain(), where 0 is closest
86             if (!BIO_write_ex(chain[amount - 1], buf, bytes_in, &bytes))  in run_pipe()
99     chain = OPENSSL_zalloc(sizeof(*chain) * n);  in setup_bio_chain()
101     if (chain != NULL) {  in setup_bio_chain()
112             chain[i] = BIO_push(curr, next);  in setup_bio_chain()
113             if (chain[i] == NULL)  in setup_bio_chain()
115             next = chain[i];  in setup_bio_chain()
118     return chain != NULL;  in setup_bio_chain()
120     /* Free the chain we built up */  in setup_bio_chain()
122     OPENSSL_free(chain);  in setup_bio_chain()
128     if (chain != NULL) {  in cleanup()
129         BIO_free_all(chain[amount - 1]);  in cleanup()
130         OPENSSL_free(chain);  in cleanup()
177                 BIO_printf(bio_err, "%s: failed setting up filter chain",  in setup()
183             if (chain == NULL) {  in setup()
214             if (BIO_set_indent(chain[idx], (long)indent) <= 0) {  in setup()
221             if (chain == NULL) {  in setup()
245             if (BIO_set_prefix(chain[idx], colon) <= 0) {  in setup()