Add new function, EVP_MD_CTX_copy() to replace frequent use of memcpy.

[openssl.git] / crypto / bio / bss_sock.c

diff --git a/crypto/bio/bss_sock.c b/crypto/bio/bss_sock.c
index ac96027051ecdcff3a659497b38ba3be7af673b2..299787aa1dd659347d98fd203049770f6ab6962e 100644 (file)
--- a/crypto/bio/bss_sock.c
+++ b/crypto/bio/bss_sock.c
@@ -1,5 +1,5 @@
 /* crypto/bio/bss_sock.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
@@ -107,7 +107,8 @@ int BIO_fd_should_retry();
 #ifndef BIO_FD
 static BIO_METHOD methods_sockp=
        {
-       BIO_TYPE_SOCKET,"socket",
+       BIO_TYPE_SOCKET,
+       "socket",
        sock_write,
        sock_read,
        sock_puts,
@@ -188,11 +189,7 @@ BIO *a;
                        {
 #ifndef BIO_FD
                        shutdown(a->num,2);
-# ifdef WINDOWS
                        closesocket(a->num);
-# else
-                       close(a->num);
-# endif
 #else                  /* BIO_FD */
                        close(a->num);
 #endif
@@ -217,10 +214,11 @@ int outl;
 
        if (out != NULL)
                {
-               errno=0;
-#if defined(WINDOWS) && !defined(BIO_FD)
-               ret=recv(b->num,out,outl,0);
+#ifndef BIO_FD
+               clear_socket_error();
+               ret=readsocket(b->num,out,outl);
 #else
+               clear_sys_error();
                ret=read(b->num,out,outl);
 #endif
                BIO_clear_retry_flags(b);
@@ -248,10 +246,11 @@ int inl;
        {
        int ret;
        
-       errno=0;
-#if defined(WINDOWS) && !defined(BIO_FD)
-       ret=send(b->num,in,inl,0);
+#ifndef BIO_FD
+       clear_socket_error();
+       ret=writesocket(b->num,in,inl);
 #else
+       clear_sys_error();
        ret=write(b->num,in,inl);
 #endif
        BIO_clear_retry_flags(b);
@@ -283,14 +282,21 @@ char *ptr;
        switch (cmd)
                {
        case BIO_CTRL_RESET:
+               num=0;
+       case BIO_C_FILE_SEEK:
 #ifdef BIO_FD
-               ret=(long)lseek(b->num,0,0);
+               ret=(long)lseek(b->num,num,0);
 #else
                ret=0;
 #endif
                break;
+       case BIO_C_FILE_TELL:
        case BIO_CTRL_INFO:
+#ifdef BIO_FD
+               ret=(long)lseek(b->num,0,1);
+#else
                ret=0;
+#endif
                break;
        case BIO_C_SET_FD:
 #ifndef BIO_FD
@@ -326,7 +332,6 @@ char *ptr;
        case BIO_CTRL_FLUSH:
                ret=1;
                break;
-               break;
        default:
                ret=0;
                break;
@@ -370,20 +375,25 @@ int BIO_fd_should_retry(i)
 #endif
 int i;
        {
+       int err;
+
        if ((i == 0) || (i == -1))
                {
-#if !defined(BIO_FD) && defined(WINDOWS)
-               errno=WSAGetLastError();
+#ifndef BIO_FD
+               err=get_last_socket_error();
+#else
+               err=get_last_sys_error();
 #endif
 
-#if defined(WINDOWS) /* more microsoft stupidity */
-               if ((i == -1) && (errno == 0))
+#if defined(WINDOWS) && 0 /* more microsoft stupidity *//* perhaps not? Ben 4/1/99 */
+               if ((i == -1) && (err == 0))
                        return(1);
 #endif
+
 #ifndef BIO_FD
-               return(BIO_sock_non_fatal_error(errno));
+               return(BIO_sock_non_fatal_error(err));
 #else
-               return(BIO_fd_non_fatal_error(errno));
+               return(BIO_fd_non_fatal_error(err));
 #endif
                }
        return(0);
@@ -403,8 +413,10 @@ int err;
        case WSAEWOULDBLOCK:
 # endif
 
-# if defined(WSAENOTCONN)
+# if 0 /* This appears to always be an error */
+#  if defined(WSAENOTCONN)
        case WSAENOTCONN:
+#  endif
 # endif
 #endif
 
@@ -418,6 +430,10 @@ int err;
 # endif
 #endif
 
+#if defined(ENOTCONN)
+       case ENOTCONN:
+#endif
+
 #ifdef EINTR
        case EINTR:
 #endif
@@ -440,7 +456,7 @@ int err;
        case EALREADY:
 #endif
                return(1);
-               break;
+               /* break; */
        default:
                break;
                }