Various DSA opacity fixups

[openssl.git] / doc / crypto / BIO_s_mem.pod

diff --git a/doc/crypto/BIO_s_mem.pod b/doc/crypto/BIO_s_mem.pod
index b9ce5da6e2e3fab3bc83a640e040949e1b239a8e..84abb29823ca161a7c4625789b29e5eb66eeb4c4 100644 (file)
--- a/doc/crypto/BIO_s_mem.pod
+++ b/doc/crypto/BIO_s_mem.pod
@@ -9,8 +9,8 @@ BIO_get_mem_ptr, BIO_new_mem_buf - memory BIO
 
  #include <openssl/bio.h>
 
- BIO_METHOD *  BIO_s_mem(void);
- BIO_METHOD *  BIO_s_secmem(void);
+ const BIO_METHOD *    BIO_s_mem(void);
+ const BIO_METHOD *    BIO_s_secmem(void);
 
  BIO_set_mem_eof_return(BIO *b,int v)
  long BIO_get_mem_data(BIO *b, char **pp)
@@ -39,9 +39,10 @@ Memory BIOs support BIO_gets() and BIO_puts().
 If the BIO_CLOSE flag is set when a memory BIO is freed then the underlying
 BUF_MEM structure is also freed.
 
-Calling BIO_reset() on a read write memory BIO clears any data in it. On a
-read only BIO it restores the BIO to its original state and the read only
-data can be read again.
+Calling BIO_reset() on a read write memory BIO clears any data in it if the
+flag BIO_FLAGS_NONCLEAR_RST is not set. On a read only BIO or if the flag
+BIO_FLAGS_NONCLEAR_RST is set it restores the BIO to its original state and 
+the data can be read again.
 
 BIO_eof() is true if no data is in the BIO.
 
@@ -90,12 +91,6 @@ give undefined results, including perhaps a program crash.
 
 There should be an option to set the maximum size of a memory BIO.
 
-There should be a way to "rewind" a read write BIO without destroying
-its contents.
-
-The copying operation should not occur after every small read of a large BIO
-to improve efficiency.
-
 =head1 EXAMPLE
 
 Create a memory BIO and write some data to it: