1 files changed, 5 insertions, 1 deletions
diff --git a/src/include/openssl/bio.h b/src/include/openssl/bio.h
index 70c2fbf7..8e2db65f 100644
--- a/src/include/openssl/bio.h
+++ b/src/include/openssl/bio.h
@@ -117,10 +117,14 @@ OPENSSL_EXPORT int BIO_read(BIO *bio, void *data, int len);
 // return a line for this call, remove the warning above.
 OPENSSL_EXPORT int BIO_gets(BIO *bio, char *buf, int size);
 
-// BIO_write writes |len| bytes from |data| to BIO. It returns the number of
+// BIO_write writes |len| bytes from |data| to |bio|. It returns the number of
 // bytes written or a negative number on error.
 OPENSSL_EXPORT int BIO_write(BIO *bio, const void *data, int len);
 
+// BIO_write_all writes |len| bytes from |data| to |bio|, looping as necessary.
+// It returns one if all bytes were successfully written and zero on error.
+OPENSSL_EXPORT int BIO_write_all(BIO *bio, const void *data, size_t len);
+
 // BIO_puts writes a NUL terminated string from |buf| to |bio|. It returns the
 // number of bytes written or a negative number on error.
 OPENSSL_EXPORT int BIO_puts(BIO *bio, const char *buf);