42 lines
867 B
C
42 lines
867 B
C
// Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) All rights reserved.
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// SPDX-License-Identifier: Apache-2.0
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#include <openssl/asn1.h>
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#include <openssl/bio.h>
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int i2a_ASN1_STRING(BIO *bp, const ASN1_STRING *a, int type) {
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int i, n = 0;
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static const char *h = "0123456789ABCDEF";
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char buf[2];
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if (a == NULL) {
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return 0;
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}
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if (a->length == 0) {
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if (BIO_write(bp, "0", 1) != 1) {
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goto err;
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}
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n = 1;
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} else {
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for (i = 0; i < a->length; i++) {
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if ((i != 0) && (i % 35 == 0)) {
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if (BIO_write(bp, "\\\n", 2) != 2) {
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goto err;
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}
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n += 2;
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}
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buf[0] = h[((unsigned char)a->data[i] >> 4) & 0x0f];
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buf[1] = h[((unsigned char)a->data[i]) & 0x0f];
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if (BIO_write(bp, buf, 2) != 2) {
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goto err;
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}
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n += 2;
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}
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}
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return n;
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err:
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return -1;
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}
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