chore: checkpoint before Python removal

vendor/aws-lc-sys/aws-lc/crypto/asn1/f_string.c

@@ -0,0 +1,41 @@
+// Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) All rights reserved.
+// SPDX-License-Identifier: Apache-2.0
+
+#include <openssl/asn1.h>
+
+#include <openssl/bio.h>
+
+int i2a_ASN1_STRING(BIO *bp, const ASN1_STRING *a, int type) {
+  int i, n = 0;
+  static const char *h = "0123456789ABCDEF";
+  char buf[2];
+
+  if (a == NULL) {
+    return 0;
+  }
+
+  if (a->length == 0) {
+    if (BIO_write(bp, "0", 1) != 1) {
+      goto err;
+    }
+    n = 1;
+  } else {
+    for (i = 0; i < a->length; i++) {
+      if ((i != 0) && (i % 35 == 0)) {
+        if (BIO_write(bp, "\\\n", 2) != 2) {
+          goto err;
+        }
+        n += 2;
+      }
+      buf[0] = h[((unsigned char)a->data[i] >> 4) & 0x0f];
+      buf[1] = h[((unsigned char)a->data[i]) & 0x0f];
+      if (BIO_write(bp, buf, 2) != 2) {
+        goto err;
+      }
+      n += 2;
+    }
+  }
+  return n;
+err:
+  return -1;
+}