Fix some style issues...
[openssl.git] / crypto / bio / bio_cb.c
index dd21d02468b2229a098f75d646e75243b591a124..69ea3d067ee8d0291cb7f3150beb7aa73c488637 100644 (file)
-/* crypto/bio/bio_cb.c */
-/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
- * All rights reserved.
+/*
+ * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
  *
- * This package is an SSL implementation written
- * by Eric Young (eay@cryptsoft.com).
- * The implementation was written so as to conform with Netscapes SSL.
- * 
- * This library is free for commercial and non-commercial use as long as
- * the following conditions are aheared to.  The following conditions
- * apply to all code found in this distribution, be it the RC4, RSA,
- * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
- * included with this distribution is covered by the same copyright terms
- * except that the holder is Tim Hudson (tjh@cryptsoft.com).
- * 
- * Copyright remains Eric Young's, and as such any Copyright notices in
- * the code are not to be removed.
- * If this package is used in a product, Eric Young should be given attribution
- * as the author of the parts of the library used.
- * This can be in the form of a textual message at program startup or
- * in documentation (online or textual) provided with the package.
- * 
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- *    must display the following acknowledgement:
- *    "This product includes cryptographic software written by
- *     Eric Young (eay@cryptsoft.com)"
- *    The word 'cryptographic' can be left out if the rouines from the library
- *    being used are not cryptographic related :-).
- * 4. If you include any Windows specific code (or a derivative thereof) from 
- *    the apps directory (application code) you must include an acknowledgement:
- *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
- * 
- * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- * 
- * The licence and distribution terms for any publically available version or
- * derivative of this code cannot be changed.  i.e. this code cannot simply be
- * copied and put under another distribution licence
- * [including the GNU Public Licence.]
+ * Licensed under the OpenSSL license (the "License").  You may not use
+ * this file except in compliance with the License.  You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
  */
 
 #include <stdio.h>
 #include <string.h>
 #include <stdlib.h>
-#include "cryptlib.h"
-#include <openssl/bio.h>
+#include "bio_lcl.h"
+#include "internal/cryptlib.h"
 #include <openssl/err.h>
 
 long BIO_debug_callback(BIO *bio, int cmd, const char *argp,
-            int argi, long argl, long ret)
-       {
-       BIO *b;
-       MS_STATIC char buf[256];
-       char *p;
-       long r=1;
-       size_t p_maxlen;
+                        int argi, long argl, long ret)
+{
+    BIO *b;
+    char buf[256];
+    char *p;
+    long r = 1;
+    int len;
+    size_t p_maxlen;
 
-       if (BIO_CB_RETURN & cmd)
-               r=ret;
+    if (BIO_CB_RETURN & cmd)
+        r = ret;
 
-       BIO_snprintf(buf,sizeof buf,"BIO[%08lX]:",(unsigned long)bio);
-       p= &(buf[14]);
-       p_maxlen = sizeof buf - 14;
-       switch (cmd)
-               {
-       case BIO_CB_FREE:
-               BIO_snprintf(p,p_maxlen,"Free - %s\n",bio->method->name);
-               break;
-       case BIO_CB_READ:
-               if (bio->method->type & BIO_TYPE_DESCRIPTOR)
-                       BIO_snprintf(p,p_maxlen,"read(%d,%lu) - %s fd=%d\n",
-                                bio->num,(unsigned long)argi,
-                                bio->method->name,bio->num);
-               else
-                       BIO_snprintf(p,p_maxlen,"read(%d,%lu) - %s\n",
-                                bio->num,(unsigned long)argi,
-                                bio->method->name);
-               break;
-       case BIO_CB_WRITE:
-               if (bio->method->type & BIO_TYPE_DESCRIPTOR)
-                       BIO_snprintf(p,p_maxlen,"write(%d,%lu) - %s fd=%d\n",
-                                bio->num,(unsigned long)argi,
-                                bio->method->name,bio->num);
-               else
-                       BIO_snprintf(p,p_maxlen,"write(%d,%lu) - %s\n",
-                                bio->num,(unsigned long)argi,
-                                bio->method->name);
-               break;
-       case BIO_CB_PUTS:
-               BIO_snprintf(p,p_maxlen,"puts() - %s\n",bio->method->name);
-               break;
-       case BIO_CB_GETS:
-               BIO_snprintf(p,p_maxlen,"gets(%lu) - %s\n",(unsigned long)argi,bio->method->name);
-               break;
-       case BIO_CB_CTRL:
-               BIO_snprintf(p,p_maxlen,"ctrl(%lu) - %s\n",(unsigned long)argi,bio->method->name);
-               break;
-       case BIO_CB_RETURN|BIO_CB_READ:
-               BIO_snprintf(p,p_maxlen,"read return %ld\n",ret);
-               break;
-       case BIO_CB_RETURN|BIO_CB_WRITE:
-               BIO_snprintf(p,p_maxlen,"write return %ld\n",ret);
-               break;
-       case BIO_CB_RETURN|BIO_CB_GETS:
-               BIO_snprintf(p,p_maxlen,"gets return %ld\n",ret);
-               break;
-       case BIO_CB_RETURN|BIO_CB_PUTS:
-               BIO_snprintf(p,p_maxlen,"puts return %ld\n",ret);
-               break;
-       case BIO_CB_RETURN|BIO_CB_CTRL:
-               BIO_snprintf(p,p_maxlen,"ctrl return %ld\n",ret);
-               break;
-       default:
-               BIO_snprintf(p,p_maxlen,"bio callback - unknown type (%d)\n",cmd);
-               break;
-               }
+    len = BIO_snprintf(buf, sizeof buf, "BIO[%p]: ", (void *)bio);
 
-       b=(BIO *)bio->cb_arg;
-       if (b != NULL)
-               BIO_write(b,buf,strlen(buf));
+    /* Ignore errors and continue printing the other information. */
+    if (len < 0)
+        len = 0;
+    p = buf + len;
+    p_maxlen = sizeof(buf) - len;
+
+    switch (cmd) {
+    case BIO_CB_FREE:
+        BIO_snprintf(p, p_maxlen, "Free - %s\n", bio->method->name);
+        break;
+    case BIO_CB_READ:
+        if (bio->method->type & BIO_TYPE_DESCRIPTOR)
+            BIO_snprintf(p, p_maxlen, "read(%d,%lu) - %s fd=%d\n",
+                         bio->num, (unsigned long)argi,
+                         bio->method->name, bio->num);
+        else
+            BIO_snprintf(p, p_maxlen, "read(%d,%lu) - %s\n",
+                         bio->num, (unsigned long)argi, bio->method->name);
+        break;
+    case BIO_CB_WRITE:
+        if (bio->method->type & BIO_TYPE_DESCRIPTOR)
+            BIO_snprintf(p, p_maxlen, "write(%d,%lu) - %s fd=%d\n",
+                         bio->num, (unsigned long)argi,
+                         bio->method->name, bio->num);
+        else
+            BIO_snprintf(p, p_maxlen, "write(%d,%lu) - %s\n",
+                         bio->num, (unsigned long)argi, bio->method->name);
+        break;
+    case BIO_CB_PUTS:
+        BIO_snprintf(p, p_maxlen, "puts() - %s\n", bio->method->name);
+        break;
+    case BIO_CB_GETS:
+        BIO_snprintf(p, p_maxlen, "gets(%lu) - %s\n", (unsigned long)argi,
+                     bio->method->name);
+        break;
+    case BIO_CB_CTRL:
+        BIO_snprintf(p, p_maxlen, "ctrl(%lu) - %s\n", (unsigned long)argi,
+                     bio->method->name);
+        break;
+    case BIO_CB_RETURN | BIO_CB_READ:
+        BIO_snprintf(p, p_maxlen, "read return %ld\n", ret);
+        break;
+    case BIO_CB_RETURN | BIO_CB_WRITE:
+        BIO_snprintf(p, p_maxlen, "write return %ld\n", ret);
+        break;
+    case BIO_CB_RETURN | BIO_CB_GETS:
+        BIO_snprintf(p, p_maxlen, "gets return %ld\n", ret);
+        break;
+    case BIO_CB_RETURN | BIO_CB_PUTS:
+        BIO_snprintf(p, p_maxlen, "puts return %ld\n", ret);
+        break;
+    case BIO_CB_RETURN | BIO_CB_CTRL:
+        BIO_snprintf(p, p_maxlen, "ctrl return %ld\n", ret);
+        break;
+    default:
+        BIO_snprintf(p, p_maxlen, "bio callback - unknown type (%d)\n", cmd);
+        break;
+    }
+
+    b = (BIO *)bio->cb_arg;
+    if (b != NULL)
+        BIO_write(b, buf, strlen(buf));
 #if !defined(OPENSSL_NO_STDIO)
-       else
-               fputs(buf,stderr);
+    else
+        fputs(buf, stderr);
 #endif
-       return(r);
-       }
+    return (r);
+}