More prototypes.
[openssl.git] / ssl / s2_pkt.c
index 84bea33..96d9a1b 100644 (file)
@@ -1,5 +1,5 @@
 /* ssl/s2_pkt.c */
-/* Copyright (C) 1995-1997 Eric Young (eay@cryptsoft.com)
+/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
  * All rights reserved.
  *
  * This package is an SSL implementation written
@@ -121,7 +121,7 @@ int len;
                        }
                }
 
-       errno=0;
+       clear_sys_error();
        s->rwstate=SSL_NOTHING;
        if (len <= 0) return(len);
 
@@ -231,7 +231,7 @@ int len;
                                (s->s2->rlength%EVP_CIPHER_CTX_block_size(s->enc_read_ctx) != 0))
                                {
                                SSLerr(SSL_F_SSL2_READ,SSL_R_BAD_MAC_DECODE);
-                               return(SSL_RWERR_BAD_MAC_DECODE);
+                               return(-1);
                                }
                        }
                INC32(s->s2->read_sequence); /* expect next number */
@@ -248,7 +248,7 @@ int len;
        else
                {
                SSLerr(SSL_F_SSL2_READ,SSL_R_BAD_STATE);
-                       return(SSL_RWERR_INTERNAL_ERROR);
+                       return(-1);
                }
        }
 
@@ -312,7 +312,7 @@ unsigned int extend;
        s->packet=s->s2->rbuf;
        while (newb < (int)n)
                {
-               errno=0;
+               clear_sys_error();
                if (s->rbio != NULL)
                        {
                        s->rwstate=SSL_READING;
@@ -380,7 +380,7 @@ int len;
                        return(-1);
                }
 
-       errno=0;
+       clear_sys_error();
        s->rwstate=SSL_NOTHING;
        if (len <= 0) return(len);
 
@@ -414,15 +414,15 @@ unsigned int len;
 
        /* check that they have given us the same buffer to
         * write */
-       if ((s->s2->wpend_tot != (int)len) || (s->s2->wpend_buf != buf))
+       if ((s->s2->wpend_tot > (int)len) || (s->s2->wpend_buf != buf))
                {
                SSLerr(SSL_F_WRITE_PENDING,SSL_R_BAD_WRITE_RETRY);
-               return(SSL_RWERR_BAD_WRITE_RETRY);
+               return(-1);
                }
 
        for (;;)
                {
-               errno=0;
+               clear_sys_error();
                if (s->wbio != NULL)
                        {
                        s->rwstate=SSL_WRITING;