Reserve for OPENSSL_NO_POSIX_IO macro which is to eliminate references

[openssl.git] / crypto / des / enc_read.c

diff --git a/crypto/des/enc_read.c b/crypto/des/enc_read.c
index e8a5763abf4d0a01ca50beb756c858801ef15b8f..ce82125b6f52e2efed49d1cd324c92fc7f46bd45 100644 (file)
--- a/crypto/des/enc_read.c
+++ b/crypto/des/enc_read.c
@@ -63,15 +63,15 @@
 
 /* This has some uglies in it but it works - even over sockets. */
 /*extern int errno;*/
-OPENSSL_IMPLEMENT_GLOBAL(int,des_rw_mode)=DES_PCBC_MODE;
+OPENSSL_IMPLEMENT_GLOBAL(int,DES_rw_mode)=DES_PCBC_MODE;
 
 
 /*
  * WARNINGS:
  *
- *  -  The data format used by des_enc_write() and des_enc_read()
+ *  -  The data format used by DES_enc_write() and DES_enc_read()
  *     has a cryptographic weakness: When asked to write more
- *     than MAXWRITE bytes, des_enc_write will split the data
+ *     than MAXWRITE bytes, DES_enc_write will split the data
  *     into several chunks that are all encrypted
  *     using the same IV.  So don't use these functions unless you
  *     are sure you know what you do (in which case you might
@@ -84,9 +84,12 @@ OPENSSL_IMPLEMENT_GLOBAL(int,des_rw_mode)=DES_PCBC_MODE;
  */
 
 
-int des_enc_read(int fd, void *buf, int len, des_key_schedule sched,
-                des_cblock *iv)
+int DES_enc_read(int fd, void *buf, int len, DES_key_schedule *sched,
+                DES_cblock *iv)
        {
+#if defined(OPENSSL_NO_POSIX_IO)
+       return(0);
+#else
        /* data to be unencrypted */
        int net_num=0;
        static unsigned char *net=NULL;
@@ -180,10 +183,10 @@ int des_enc_read(int fd, void *buf, int len, des_key_schedule sched,
        /* Check if there will be data left over. */
        if (len < num)
                {
-               if (des_rw_mode & DES_PCBC_MODE)
-                       des_pcbc_encrypt(net,unnet,num,sched,iv,DES_DECRYPT);
+               if (DES_rw_mode & DES_PCBC_MODE)
+                       DES_pcbc_encrypt(net,unnet,num,sched,iv,DES_DECRYPT);
                else
-                       des_cbc_encrypt(net,unnet,num,sched,iv,DES_DECRYPT);
+                       DES_cbc_encrypt(net,unnet,num,sched,iv,DES_DECRYPT);
                memcpy(buf,unnet,len);
                unnet_start=len;
                unnet_left=num-len;
@@ -202,11 +205,11 @@ int des_enc_read(int fd, void *buf, int len, des_key_schedule sched,
                if (len < rnum)
                        {
 
-                       if (des_rw_mode & DES_PCBC_MODE)
-                               des_pcbc_encrypt(net,tmpbuf,num,sched,iv,
+                       if (DES_rw_mode & DES_PCBC_MODE)
+                               DES_pcbc_encrypt(net,tmpbuf,num,sched,iv,
                                                 DES_DECRYPT);
                        else
-                               des_cbc_encrypt(net,tmpbuf,num,sched,iv,
+                               DES_cbc_encrypt(net,tmpbuf,num,sched,iv,
                                                DES_DECRYPT);
 
                        /* eay 26/08/92 fix a bug that returned more
@@ -215,14 +218,15 @@ int des_enc_read(int fd, void *buf, int len, des_key_schedule sched,
                        }
                else
                        {
-                       if (des_rw_mode & DES_PCBC_MODE)
-                               des_pcbc_encrypt(net,buf,num,sched,iv,
+                       if (DES_rw_mode & DES_PCBC_MODE)
+                               DES_pcbc_encrypt(net,buf,num,sched,iv,
                                                 DES_DECRYPT);
                        else
-                               des_cbc_encrypt(net,buf,num,sched,iv,
+                               DES_cbc_encrypt(net,buf,num,sched,iv,
                                                DES_DECRYPT);
                        }
                }
        return num;
+#endif /* OPENSSL_NO_POSIX_IO */
        }