Fix undefined function pointer casts in {d2i,i2d}_Foo_{bio,fp}

Lacking C++, this instead adds a mess of macros. With this done, all the
function-pointer-munging "_of" macros in asn1.h can also be removed.

Update-Note: A number of *really* old and unused ASN.1 macros were
removed.

Bug: chromium:785442
Change-Id: Iab260d114c7d8cdf0429759e714d91ce3f3c04b2
Reviewed-on: https://boringssl-review.googlesource.com/32106
Reviewed-by: Adam Langley <agl@google.com>
Reviewed-by: Adam Langley <alangley@gmail.com>

1 files changed, 13 insertions, 0 deletions

diff --git a/crypto/bio/bio.c b/crypto/bio/bio.c
index 3e788b8..881c14e 100644
--- a/crypto/bio/bio.c
+++ b/crypto/bio/bio.c
@@ -177,6 +177,19 @@ int BIO_write(BIO *bio, const void *in, int inl) {
   return ret;
 }
 
+int BIO_write_all(BIO *bio, const void *data, size_t len) {
+  const uint8_t *data_u8 = data;
+  while (len > 0) {
+    int ret = BIO_write(bio, data_u8, len > INT_MAX ? INT_MAX : (int)len);
+    if (ret <= 0) {
+      return 0;
+    }
+    data_u8 += ret;
+    len -= ret;
+  }
+  return 1;
+}
+
 int BIO_puts(BIO *bio, const char *in) {
   return BIO_write(bio, in, strlen(in));
 }