remove trailing spaces.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@36895 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ext/curses/curses.c

@@ -2789,7 +2789,7 @@ Init_curses(void)
         RUBY_EXTERN char *curses_version;
         version = rb_sprintf("curses (%s)", curses_version);
 #else
-        /* BSD curses, perhaps.  NetBSD 5 still use it. */ 
+        /* BSD curses, perhaps.  NetBSD 5 still use it. */
         version = rb_str_new2("curses (unknown)");
 #endif
         /*

ext/dbm/dbm.c

@@ -1126,7 +1126,7 @@ Init_dbm(void)
          * - "Berkeley DB (unknown)" (4.4BSD, maybe)
          * - "GDBM version 1.8.3. 10/15/2002 (built Jul  1 2011 12:32:45)"
          * - "QDBM 1.8.78"
-         *   
+         *
          */
         rb_define_const(rb_cDBM, "VERSION", version);
     }

ext/dbm/extconf.rb

@@ -148,7 +148,7 @@ def headers.db_check2(db, hdr)
   end
 
   # Berkeley DB's ndbm.h (since 1.85 at least) defines DBM_SUFFIX.
-  # Note that _DB_H_ is not defined on Mac OS X because 
+  # Note that _DB_H_ is not defined on Mac OS X because
   # it uses Berkeley DB 1 but ndbm.h doesn't include db.h.
   have_db_header = have_macro('DBM_SUFFIX', hdr, hsearch)
 
@@ -200,7 +200,7 @@ def headers.db_check2(db, hdr)
     if /\Agdbm/ !~ db && have_gdbm_header
       return false
     end
-    
+
     if have_ndbm_header
       return false
     end

ext/dl/lib/dl/struct.rb

@@ -98,7 +98,7 @@ module DL
         last_offset = offset
 
         align = PackInfo::ALIGN_MAP[type]
-        offset = PackInfo.align(last_offset, align) + 
+        offset = PackInfo.align(last_offset, align) +
                  (PackInfo::SIZE_MAP[type] * count)
 
         align

ext/openssl/lib/openssl/bn.rb

@@ -3,16 +3,16 @@
 # $RCSfile$
 #
 # = Ruby-space definitions that completes C-space funcs for BN
-# 
+#
 # = Info
 # 'OpenSSL for Ruby 2' project
 # Copyright (C) 2002  Michal Rokos <m.rokos@sh.cvut.cz>
 # All rights reserved.
-# 
+#
 # = Licence
 # This program is licenced under the same licence as Ruby.
 # (See the file 'LICENCE'.)
-# 
+#
 # = Version
 # $Id$
 #

ext/openssl/lib/openssl/cipher.rb

@@ -3,16 +3,16 @@
 # $RCSfile$
 #
 # = Ruby-space predefined Cipher subclasses
-# 
+#
 # = Info
 # 'OpenSSL for Ruby 2' project
 # Copyright (C) 2002  Michal Rokos <m.rokos@sh.cvut.cz>
 # All rights reserved.
-# 
+#
 # = Licence
 # This program is licenced under the same licence as Ruby.
 # (See the file 'LICENCE'.)
-# 
+#
 # = Version
 # $Id$
 #

ext/openssl/lib/openssl/digest.rb

@@ -3,16 +3,16 @@
 # $RCSfile$
 #
 # = Ruby-space predefined Digest subclasses
-# 
+#
 # = Info
 # 'OpenSSL for Ruby 2' project
 # Copyright (C) 2002  Michal Rokos <m.rokos@sh.cvut.cz>
 # All rights reserved.
-# 
+#
 # = Licence
 # This program is licenced under the same licence as Ruby.
 # (See the file 'LICENCE'.)
-# 
+#
 # = Version
 # $Id$
 #

ext/openssl/lib/openssl/x509.rb

@@ -3,16 +3,16 @@
 # $RCSfile$
 #
 # = Ruby-space definitions that completes C-space funcs for X509 and subclasses
-# 
+#
 # = Info
 # 'OpenSSL for Ruby 2' project
 # Copyright (C) 2002  Michal Rokos <m.rokos@sh.cvut.cz>
 # All rights reserved.
-# 
+#
 # = Licence
 # This program is licenced under the same licence as Ruby.
 # (See the file 'LICENCE'.)
-# 
+#
 # = Version
 # $Id$
 #

ext/openssl/ossl.c

@@ -497,9 +497,9 @@ ossl_debug_set(VALUE self, VALUE val)
  *
  * Asymmetric public/private key encryption is slow and victim to attack in
  * cases where it is used without padding or directly to encrypt larger chunks
- * of data. Typical use cases for RSA encryption involve "wrapping" a symmetric 
+ * of data. Typical use cases for RSA encryption involve "wrapping" a symmetric
  * key with the public key of the recipient who would "unwrap" that symmetric
- * key again using their private key.  
+ * key again using their private key.
  * The following illustrates a simplified example of such a key transport
  * scheme. It shouldn't be used in practice, though, standardized protocols
  * should always be preferred.
@@ -519,7 +519,7 @@ ossl_debug_set(VALUE self, VALUE val)
  * Using "private_encrypt" to encrypt some data with the private key is
  * equivalent to applying a digital signature to the data. A verifying
  * party may validate the signature by comparing the result of decrypting
- * the signature with "public_decrypt" to the original data. However, 
+ * the signature with "public_decrypt" to the original data. However,
  * OpenSSL::PKey already has methods "sign" and "verify" that handle
  * digital signatures in a standardized way - "private_encrypt" and
  * "public_decrypt" shouldn't be used in practice.
@@ -543,20 +543,20 @@ ossl_debug_set(VALUE self, VALUE val)
  *   end
  *
  * == PBKDF2 Password-based Encryption
- * 
+ *
  * If supported by the underlying OpenSSL version used, Password-based
  * Encryption should use the features of PKCS5. If not supported or if
  * required by legacy applications, the older, less secure methods specified
  * in RFC 2898 are also supported (see below).
- * 
- * PKCS5 supports PBKDF2 as it was specified in PKCS#5 
+ *
+ * PKCS5 supports PBKDF2 as it was specified in PKCS#5
  * v2.0[http://www.rsa.com/rsalabs/node.asp?id=2127]. It still uses a
  * password, a salt, and additionally a number of iterations that will
  * slow the key derivation process down. The slower this is, the more work
  * it requires being able to brute-force the resulting key.
  *
  * === Encryption
- *   
+ *
  * The strategy is to first instantiate a Cipher for encryption, and
  * then to generate a random IV plus a key derived from the password
  * using PBKDF2. PKCS #5 v2.0 recommends at least 8 bytes for the salt,

ext/openssl/ossl_asn1.c

@@ -150,8 +150,8 @@ ASN1_INTEGER *
 num_to_asn1integer(VALUE obj, ASN1_INTEGER *ai)
 {
     BIGNUM *bn;
-   
-    if (NIL_P(obj)) 
+
+    if (NIL_P(obj))
 	ossl_raise(rb_eTypeError, "Can't convert nil into Integer");
 
     bn = GetBNPtr(obj);

ext/openssl/ossl_ssl.c

@@ -586,7 +586,7 @@ ssl_npn_encode_protocols(VALUE sslctx, VALUE protocols)
 }
 
 static int
-ssl_npn_advertise_cb(SSL *ssl, const unsigned char **out, unsigned int *outlen, void *arg) 
+ssl_npn_advertise_cb(SSL *ssl, const unsigned char **out, unsigned int *outlen, void *arg)
 {
     VALUE sslctx_obj = (VALUE) arg;
     VALUE protocols = rb_iv_get(sslctx_obj, "@_protocols");
@@ -602,7 +602,7 @@ ssl_npn_select_cb(SSL *s, unsigned char **out, unsigned char *outlen, const unsi
 {
     int i = 0;
     VALUE sslctx_obj, cb, protocols, selected;
-   
+
     sslctx_obj = (VALUE) arg;
     cb = rb_iv_get(sslctx_obj, "@npn_select_cb");
     protocols = rb_ary_new();
@@ -623,14 +623,14 @@ ssl_npn_select_cb(SSL *s, unsigned char **out, unsigned char *outlen, const unsi
 }
 #endif
 
-/* This function may serve as the entry point to support further 
+/* This function may serve as the entry point to support further
  * callbacks. */
 static void
 ssl_info_cb(const SSL *ssl, int where, int val)
 {
     int state = SSL_state(ssl);
 
-    if ((where & SSL_CB_HANDSHAKE_START) && 
+    if ((where & SSL_CB_HANDSHAKE_START) &&
 	(state & SSL_ST_ACCEPT)) {
 	ssl_renegotiation_cb(ssl);
     }
@@ -1801,7 +1801,7 @@ ossl_ssl_npn_protocol(VALUE self)
     unsigned int outlen;
 
     ossl_ssl_data_get_struct(self, ssl);
-    
+
     SSL_get0_next_proto_negotiated(ssl, &out, &outlen);
     if (!outlen)
 	return Qnil;
@@ -1836,7 +1836,7 @@ Init_ossl_ssl()
      * connection. Both client and server TLS connections are supported,
      * SSLSocket and SSLServer may be used in conjunction with an instance
      * of SSLContext to set up connections.
-     */  
+     */
     mSSL = rb_define_module_under(mOSSL, "SSL");
     /* Document-class: OpenSSL::SSL::SSLError
      *
@@ -2010,7 +2010,7 @@ Init_ossl_ssl()
      * and to cancel the process, an Error may be raised within the callback.
      *
      * === Disable client renegotiation
-     * 
+     *
      * When running a server, it is often desirable to disable client
      * renegotiation entirely. You may use a callback as follows to implement
      * this feature:
@@ -2019,7 +2019,7 @@ Init_ossl_ssl()
      *   ctx.renegotiation_cb = lambda do |ssl|
      *     num_handshakes += 1
      *     raise RuntimeError.new("Client renegotiation disabled") if num_handshakes > 1
-     *   end  
+     *   end
      */
     rb_attr(cSSLContext, rb_intern("renegotiation_cb"), 1, 1, Qfalse);
 #ifdef HAVE_OPENSSL_NPN_NEGOTIATED
@@ -2042,7 +2042,7 @@ Init_ossl_ssl()
      * the server. If none is acceptable, raising an error in the callback
      * will cause the handshake to fail. Not setting this callback explicitly
      * means not supporting the NPN extension on the client - any protocols
-     * advertised by the server will be ignored.   
+     * advertised by the server will be ignored.
      *
      * === Example
      *

ext/readline/readline.c

@@ -495,7 +495,7 @@ readline_s_set_output(VALUE self, VALUE output)
  * characters.
  *
  * See GNU Readline's rl_pre_input_hook variable.
- * 
+ *
  * Raises ArgumentError if +proc+ does not respond to the call method.
  *
  * Raises SecurityError if $SAFE is 4.

ext/tk/lib/tk/image.rb

@@ -130,7 +130,7 @@ end
 # A photo is an image whose pixels can display any color or be transparent.
 # At present, only GIF and PPM/PGM formats are supported, but an interface
 # exists to allow additional image file formats to be added easily.
-# 
+#
 # This class documentation is a copy from the original Tcl/Tk at
 # http://www.tcl.tk/man/tcl8.5/TkCmd/photo.htm with some rewrited parts.
 class TkPhotoImage<TkImage
@@ -162,13 +162,13 @@ class TkPhotoImage<TkImage
   #		image = TkPhotoImage.new(:file: => 'my_image.gif')
   #
   # == Options
-  # Photos support the following options: 
+  # Photos support the following options:
   # * :data
   #   Specifies the contents of the image as a string.
   # * :format
   #   Specifies the name of the file format for the data.
   # * :file
-  #   Gives the name of a file that is to be read to supply data for the image. 
+  #   Gives the name of a file that is to be read to supply data for the image.
   # * :gamma
   #   Specifies that the colors allocated for displaying this image in a window
   #   should be corrected for a non-linear display with the specified gamma
@@ -185,7 +185,7 @@ class TkPhotoImage<TkImage
   #   Specifies the width of the image, in pixels. This option is useful
   #   primarily in situations where the user wishes to build up the contents of
   #   the image piece by piece. A value of zero (the default) allows the image
-  #   to expand or shrink horizontally to fit the data stored in it. 
+  #   to expand or shrink horizontally to fit the data stored in it.
   def initialize(*args)
     @type = 'photo'
     super(*args)
@@ -193,7 +193,7 @@ class TkPhotoImage<TkImage
 
   # Blank the image; that is, set the entire image to have no data, so it will
   # be displayed as transparent, and the background of whatever window it is
-  # displayed in will show through. 
+  # displayed in will show through.
   def blank
     tk_send_without_enc('blank')
     self
@@ -233,7 +233,7 @@ class TkPhotoImage<TkImage
   # destination, possibly with pixel zooming and/or subsampling. If no options
   # are specified, this method copies the whole of source into destination,
   # starting at coordinates (0,0) in destination. The following options may be
-  # specified: 
+  # specified:
   #
   # * :from [x1, y1, x2, y2]
   #   Specifies a rectangular sub-region of the source image to be copied.
@@ -250,30 +250,30 @@ class TkPhotoImage<TkImage
   #   specified). If x2 and  y2 are specified, the source region will be
   #   replicated if necessary to fill the destination region in a tiled fashion.
   # * :shrink
-  #   Specifies that the size of the destination image should be reduced, if 
-  #   necessary, so that the region being copied into is at the bottom-right 
-  #   corner of the image. This option will not affect the width or height of 
+  #   Specifies that the size of the destination image should be reduced, if
+  #   necessary, so that the region being copied into is at the bottom-right
+  #   corner of the image. This option will not affect the width or height of
   #   the image if the user has specified a non-zero value for the :width or
   #   :height configuration option, respectively.
   # * :zoom [x, y]
-  #   Specifies that the source region should be magnified by a factor of x 
+  #   Specifies that the source region should be magnified by a factor of x
   #   in the X direction and y in the Y direction. If y is not given, the
   #   default value is the same as x. With this option, each pixel in the
   #   source image will be expanded into a block of x x y pixels in the
   #   destination image, all the same color. x and y must be greater than 0.
   # * :subsample [x, y]
   #   Specifies that the source image should be reduced in size by using only
-  #   every xth pixel in the X direction and yth pixel in the Y direction. 
-  #   Negative values will cause the image to be flipped about the Y or X axes, 
+  #   every xth pixel in the X direction and yth pixel in the Y direction.
+  #   Negative values will cause the image to be flipped about the Y or X axes,
   #   respectively. If y is not given, the default value is the same as x.
   # * :compositingrule rule
-  #   Specifies how transparent pixels in the source image are combined with 
+  #   Specifies how transparent pixels in the source image are combined with
   #   the destination image. When a compositing rule of <tt>overlay</tt> is set,
   #   the old  contents of the destination image are visible, as if the source
   #   image were  printed on a piece of transparent film and placed over the
   #   top of the  destination. When a compositing rule of <tt>set</tt> is set,
   #   the old contents of  the destination image are discarded and the source
-  #   image is used as-is. The default compositing rule is <tt>overlay</tt>. 
+  #   image is used as-is. The default compositing rule is <tt>overlay</tt>.
   def copy(src, *opts)
     if opts.size == 0
       tk_send('copy', src)
@@ -314,14 +314,14 @@ class TkPhotoImage<TkImage
   #   whole image.
   # * :grayscale
   #   If this options is specified, the data will not contain color information.
-  #   All pixel data will be transformed into grayscale. 
+  #   All pixel data will be transformed into grayscale.
   def data(keys={})
     tk_split_list(tk_send('data', *_photo_hash_kv(keys)))
   end
 
-  # Returns the color of the pixel at coordinates (x,y) in the image as a list 
+  # Returns the color of the pixel at coordinates (x,y) in the image as a list
   # of three integers between 0 and 255, representing the red, green and blue
-  # components respectively. 
+  # components respectively.
   def get(x, y)
     tk_send('get', x, y).split.collect{|n| n.to_i}
   end
@@ -362,13 +362,13 @@ class TkPhotoImage<TkImage
     self
   end
 
-  # Returns a boolean indicating if the pixel at (x,y) is transparent. 
+  # Returns a boolean indicating if the pixel at (x,y) is transparent.
   def get_transparency(x, y)
     bool(tk_send('transparency', 'get', x, y))
   end
-	
+
   # Makes the pixel at (x,y) transparent if <tt>state</tt> is true, and makes
-  # that pixel opaque otherwise. 
+  # that pixel opaque otherwise.
   def set_transparency(x, y, state)
     tk_send('transparency', 'set', x, y, state)
     self

ext/zlib/zlib.c

@@ -1830,7 +1830,7 @@ rb_inflate_s_allocate(VALUE klass)
  * Greater than 15::
  *   Add 32 to window_bits to enable zlib and gzip decoding with automatic
  *   header detection, or add 16 to decode only the gzip format (a
- *   Zlib::DataError will be raised for a non-gzip stream). 
+ *   Zlib::DataError will be raised for a non-gzip stream).
  *
  * (-8..-15)::
  *   Enables raw deflate mode which will not generate a check value, and will