Remove unnecessary trailing whitespace

Trim trailing whitespace. It doesn't match OpenSSL coding standards,
AFAICT, and it can cause problems with git tooling.

Trailing whitespace remains in test data and external source.

Reviewed-by: Kurt Roeckx <[email protected]>
Reviewed-by: Matthias St. Pierre <[email protected]>
Reviewed-by: Richard Levitte <[email protected]>
(Merged from openssl#8092)

Author: sam-github

CHANGES

@@ -74,7 +74,7 @@
      implementations.  This includes a generic EVP_PKEY to EVP_MAC bridge,
      to facilitate the continued use of MACs through raw private keys in
      functionality such as EVP_DigestSign* and EVP_DigestVerify*.
-     [Richard Levitte]     
+     [Richard Levitte]
 
   *) Deprecate ECDH_KDF_X9_62() and mark its replacement as internal. Users
      should use the EVP interface instead (EVP_PKEY_CTX_set_ecdh_kdf_type).

CONTRIBUTING

@@ -57,7 +57,7 @@ guidelines:
     7.  For user visible changes (API changes, behaviour changes, ...),
     consider adding a note in CHANGES.  This could be a summarising
     description of the change, and could explain the grander details.
-    Have a look through existing entries for inspiration. 
+    Have a look through existing entries for inspiration.
     Please note that this is NOT simply a copy of git-log oneliners.
     Also note that security fixes get an entry in CHANGES.
     This file helps users get more in depth information of what comes

Configurations/00-base-templates.conf

@@ -305,7 +305,7 @@ my %targets=(
 	sha1_asm_src    => "sha1-armv4-large.S sha256-armv4.S sha512-armv4.S",
 	modes_asm_src   => "ghash-armv4.S ghashv8-armx.S",
 	chacha_asm_src  => "chacha-armv4.S",
-	poly1305_asm_src=> "poly1305-armv4.S", 
+	poly1305_asm_src=> "poly1305-armv4.S",
 	keccak1600_asm_src	=> "keccak1600-armv4.S",
 	perlasm_scheme	=> "void"
     },

Configurations/50-win-onecore.conf

@@ -4,7 +4,7 @@
 # Mobile[?] Windows editions. It's a set up "umbrella" libraries that
 # export subset of Win32 API that are common to all Windows 10 devices.
 #
-# OneCore Configuration temporarly dedicated for console applications 
+# OneCore Configuration temporarly dedicated for console applications
 # due to disabled event logging, which is incompatible with one core.
 # Error messages are provided via standard error only.
 # TODO: extend error handling to use ETW based eventing

Configurations/README

@@ -118,7 +118,7 @@ In each table entry, the following keys are significant:
                            '<unistd.h>'.  This is very rarely needed.
 
         shared_extension => File name extension used for shared
-                            libraries. 
+                            libraries.
         obj_extension   => File name extension used for object files.
                            On unix, this defaults to ".o" (NOTE: this
                            is here for future use, it's not

Configurations/README.design

@@ -87,7 +87,7 @@ depends on the library 'libssl' to function properly.
     LIBS=../libcrypto
     SOURCE[../libcrypto]=aes.c evp.c cversion.c
     DEPEND[cversion.o]=buildinf.h
-    
+
     GENERATE[buildinf.h]=../util/mkbuildinf.pl "$(CC) $(CFLAGS)" "$(PLATFORM)"
     DEPEND[buildinf.h]=../Makefile
     DEPEND[../util/mkbuildinf.pl]=../util/Foo.pm
@@ -102,7 +102,7 @@ show that duplicate information isn't an issue.
 This build.info file informs us that 'libcrypto' is built from a few
 source files, 'crypto/aes.c', 'crypto/evp.c' and 'crypto/cversion.c'.
 It also shows us that building the object file inferred from
-'crypto/cversion.c' depends on 'crypto/buildinf.h'.  Finally, it 
+'crypto/cversion.c' depends on 'crypto/buildinf.h'.  Finally, it
 also shows the possibility to declare how some files are generated
 using some script, in this case a perl script, and how such scripts
 can be declared to depend on other files, in this case a perl module.
@@ -150,7 +150,7 @@ information comes down to this:
     SOURCE[libssl]=ssl/tls.c
     INCLUDE[libssl]=include
     DEPEND[libssl]=libcrypto
-    
+
     PROGRAMS=apps/openssl
     SOURCE[apps/openssl]=apps/openssl.c
     INCLUDE[apps/openssl]=. include
@@ -165,7 +165,7 @@ information comes down to this:
     SOURCE[engines/ossltest]=engines/e_ossltest.c
     DEPEND[engines/ossltest]=libcrypto.a
     INCLUDE[engines/ossltest]=include
-    
+
     GENERATE[crypto/buildinf.h]=util/mkbuildinf.pl "$(CC) $(CFLAGS)" "$(PLATFORM)"
     DEPEND[crypto/buildinf.h]=Makefile
     DEPEND[util/mkbuildinf.pl]=util/Foo.pm

Configurations/descrip.mms.tmpl

@@ -1105,7 +1105,7 @@ EOF
                                  # object modules already.
                                  my $main = $_->{attrs}->{has_main}
                                      ? '/INCLUDE=main' : '';
-                                 push @lines, 
+                                 push @lines,
                                      "\@ IF nomain THEN WRITE OPT_FILE \"$x/LIB$main\"",
                                      "\@ IF .NOT. nomain THEN WRITE OPT_FILE \"$x/LIB\""
                              }

Configurations/unix-Makefile.tmpl

@@ -800,7 +800,7 @@ errors:
            include/internal/o_str.h
            include/internal/err.h
            include/internal/sslconf.h );
-   our @cryptoskipheaders = ( @sslheaders, 
+   our @cryptoskipheaders = ( @sslheaders,
        qw( include/openssl/conf_api.h
            include/openssl/ebcdic.h
            include/openssl/opensslconf.h

NOTES.ANDROID

@@ -26,7 +26,7 @@
  you need to set ANDROID_NDK_HOME environment to point at NDK directory
  as /some/where/android-ndk-<ver>. Both variables are significant at both
  configuration and compilation times. NDK customarily supports multiple
- Android API levels, e.g. android-14, android-21, etc. By default latest 
+ Android API levels, e.g. android-14, android-21, etc. By default latest
  one available is chosen. If you need to target older platform, pass
  additional -D__ANDROID_API__=N to Configure. N is numeric value of the
  target platform version. For example, to compile for ICS on ARM with

NOTES.DJGPP

@@ -1,5 +1,5 @@
 
- 
+
  INSTALLATION ON THE DOS PLATFORM WITH DJGPP
  -------------------------------------------
 
@@ -29,7 +29,7 @@
  running "./Configure" with appropriate arguments:
 
 	./Configure no-threads --prefix=/dev/env/DJDIR DJGPP
- 
+
  And finally fire up "make". You may run out of DPMI selectors when
  running in a DOS box under Windows. If so, just close the BASH
  shell, go back to Windows, and restart BASH. Then run "make" again.

NOTES.VMS

@@ -42,7 +42,7 @@
  for now is to rename the OpenSSL source directory, as follows (please
  adjust for the actual source directory name you have):
 
-    $ rename openssl-1^.1^.0.DIR openssl-1_1_0.DIR 
+    $ rename openssl-1^.1^.0.DIR openssl-1_1_0.DIR
 
 
  About MMS and DCL

apps/ct_log_list.cnf

@@ -2,8 +2,8 @@
 # that are to be trusted.
 
 # Google's list of logs can be found here:
-#       www.certificate-transparency.org/known-logs 
+#       www.certificate-transparency.org/known-logs
 # A Python program to convert the log list to OpenSSL's format can be
 # found here:
-#       https://github.com/google/certificate-transparency/blob/master/python/utilities/log_list/print_log_list.py 
+#       https://github.com/google/certificate-transparency/blob/master/python/utilities/log_list/print_log_list.py
 # Use the "--openssl_output" flag.

apps/demoSRP/srp_verifier.txt

@@ -3,4 +3,4 @@
 # records starting with a I followed by the g and N values and the id.
 # The exact values ... you have to dig this out from the source of srp.c
 # or srp_vfy.c
-# The last value of an I is used as the default group for new users.  
+# The last value of an I is used as the default group for new users.

apps/dh1024.pem

@@ -4,7 +4,7 @@ Sgh5jjQE3e+VGbPNOkMbMCsKbfJfFDdP4TVtbVHCReSFtXZiXn7G9ExC6aY37WsL
 /1y29Aa37e44a/taiZ+lrp8kEXxLH+ZJKGZR7OZTgf//////////AgEC
 -----END DH PARAMETERS-----
 
-These are the 1024-bit DH parameters from "Internet Key Exchange 
+These are the 1024-bit DH parameters from "Internet Key Exchange
 Protocol Version 2 (IKEv2)": https://tools.ietf.org/html/rfc5996
 
 See https://tools.ietf.org/html/rfc2412 for how they were generated.

apps/dh2048.pem

@@ -7,8 +7,8 @@ fDKQXkYuNs474553LBgOhgObJ4Oi7Aeij7XFXfBvTFLJ3ivL9pVYFxg5lUl86pVq
 5RXSJhiY+gUQFXKOWoqsqmj//////////wIBAg==
 -----END DH PARAMETERS-----
 
-These are the 2048-bit DH parameters from "More Modular Exponential 
-(MODP) Diffie-Hellman groups for Internet Key Exchange (IKE)": 
+These are the 2048-bit DH parameters from "More Modular Exponential
+(MODP) Diffie-Hellman groups for Internet Key Exchange (IKE)":
 https://tools.ietf.org/html/rfc3526
 
 See https://tools.ietf.org/html/rfc2412 for how they were generated.

apps/dh4096.pem

@@ -12,8 +12,8 @@ ARpyPBKnh+bXiHGaEL26WyaZwycYavTiPBqUaDS2FQvaJYPpyirUTOjbu8LbBN6O
 HNAGkSfVsFqpk7TqmI2P3cGG/7fckKbAj030Nck0BjGZ//////////8CAQI=
 -----END DH PARAMETERS-----
 
-These are the 4096-bit DH parameters from "More Modular Exponential 
-(MODP) Diffie-Hellman groups for Internet Key Exchange (IKE)": 
+These are the 4096-bit DH parameters from "More Modular Exponential
+(MODP) Diffie-Hellman groups for Internet Key Exchange (IKE)":
 https://tools.ietf.org/html/rfc3526
 
 See https://tools.ietf.org/html/rfc2412 for how they were generated.

apps/openssl-vms.cnf

@@ -18,7 +18,7 @@ oid_section		= new_oids
 # To use this configuration file with the "-extfile" option of the
 # "openssl x509" utility, name here the section containing the
 # X.509v3 extensions to use:
-# extensions		= 
+# extensions		=
 # (Alternatively, use a configuration file that has only
 # X.509v3 extensions in its main [= default] section.)
 
@@ -115,7 +115,7 @@ x509_extensions	= v3_ca	# The extensions to add to the self signed cert
 # input_password = secret
 # output_password = secret
 
-# This sets a mask for permitted string types. There are several options. 
+# This sets a mask for permitted string types. There are several options.
 # default: PrintableString, T61String, BMPString.
 # pkix	 : PrintableString, BMPString (PKIX recommendation before 2004)
 # utf8only: only UTF8Strings (PKIX recommendation after 2004).

apps/openssl.cnf

@@ -18,7 +18,7 @@ oid_section		= new_oids
 # To use this configuration file with the "-extfile" option of the
 # "openssl x509" utility, name here the section containing the
 # X.509v3 extensions to use:
-# extensions		= 
+# extensions		=
 # (Alternatively, use a configuration file that has only
 # X.509v3 extensions in its main [= default] section.)
 
@@ -115,7 +115,7 @@ x509_extensions	= v3_ca	# The extensions to add to the self signed cert
 # input_password = secret
 # output_password = secret
 
-# This sets a mask for permitted string types. There are several options. 
+# This sets a mask for permitted string types. There are several options.
 # default: PrintableString, T61String, BMPString.
 # pkix	 : PrintableString, BMPString (PKIX recommendation before 2004)
 # utf8only: only UTF8Strings (PKIX recommendation after 2004).

apps/s_client.c

@@ -2360,7 +2360,7 @@ int s_client_main(int argc, char **argv)
 
             BIO_push(fbio, sbio);
             BIO_printf(fbio, "CONNECT %s HTTP/1.0\r\n", connectstr);
-            /* 
+            /*
              * Workaround for broken proxies which would otherwise close
              * the connection when entering tunnel mode (eg Squid 2.6)
              */
@@ -3549,7 +3549,7 @@ static char *base64encode (const void *buf, size_t len)
     i = EVP_EncodeBlock((unsigned char *)out, buf, len);
     assert(i <= (int)outl);
     if (i < 0)
-        *out = '\0'; 
+        *out = '\0';
     return out;
 }
 

config

@@ -19,7 +19,7 @@ THERE=`dirname $0`
 # pick up any command line args to config
 for i
 do
-case "$i" in 
+case "$i" in
 -d*) options=$options" --debug";;
 -t*) DRYRUN="true" VERBOSE="true";;
 -v*) VERBOSE="true";;
@@ -59,7 +59,7 @@ __CNF_LDLIBS=
 
 # Now test for ISC and SCO, since it is has a braindamaged uname.
 #
-# We need to work around FreeBSD 1.1.5.1 
+# We need to work around FreeBSD 1.1.5.1
 (
 XREL=`uname -X 2>/dev/null | grep "^Release" | awk '{print $3}'`
 if [ "x$XREL" != "x" ]; then
@@ -363,7 +363,7 @@ esac
 # At this point we gone through all the one's
 # we know of: Punt
 
-echo "${MACHINE}-whatever-${SYSTEM}" 
+echo "${MACHINE}-whatever-${SYSTEM}"
 exit 0
 ) 2>/dev/null | (
 
@@ -433,7 +433,7 @@ fi
 
 CCVER=${CCVER:-0}
 
-# read the output of the embedded GuessOS 
+# read the output of the embedded GuessOS
 read GUESSOS
 
 echo Operating system: $GUESSOS
@@ -732,7 +732,7 @@ case "$GUESSOS" in
   *-*-[Uu]nix[Ww]are7)
 	if [ "$CC" = "gcc" ]; then
 	  OUT="unixware-7-gcc" ; options="$options no-sse2"
-	else    
+	else
 	  OUT="unixware-7" ; options="$options no-sse2"
 	  __CNF_CPPFLAGS="$__CNF_CPPFLAGS -D__i386__"
 	fi
@@ -793,7 +793,7 @@ case "$GUESSOS" in
             OUT="aix64-gcc"
           fi
 	elif [ $OBJECT_MODE -eq 64 ]; then
-	    echo 'Your $OBJECT_MODE was found to be set to 64' 
+	    echo 'Your $OBJECT_MODE was found to be set to 64'
 	    OUT="aix64-cc"
 	else
 	    OUT="aix-cc"
@@ -897,7 +897,7 @@ if [ ".$PERL" = . ] ; then
 	exit 1
 fi
 
-# run Configure to check to see if we need to specify the 
+# run Configure to check to see if we need to specify the
 # compiler for the platform ... in which case we add it on
 # the end ... otherwise we leave it off
 
@@ -920,7 +920,7 @@ if [ $? = "0" ]; then
 	 __CNF_LDFLAGS="'$__CNF_LDFLAGS'" \
 	 __CNF_LDLIBS="'$__CNF_LDLIBS'" \
 	 $PERL $THERE/Configure $OUT $options
-  fi  
+  fi
   if [ "$DRYRUN" = "false" ]; then
     # eval to make sure quoted options, possibly with spaces inside,
     # are treated right

crypto/bn/asm/ia64.S

@@ -47,7 +47,7 @@
 // on Itanium2! What to do? Reschedule loops for Itanium2? But then
 // Itanium would exhibit anti-scalability. So I've chosen to reschedule
 // for worst latency for every instruction aiming for best *all-round*
-// performance.  
+// performance.
 
 // Q.	How much faster does it get?
 // A.	Here is the output from 'openssl speed rsa dsa' for vanilla
@@ -471,7 +471,7 @@ bn_mul_add_words:
 .global	bn_sqr_words#
 .proc	bn_sqr_words#
 .align	64
-.skip	32	// makes the loop body aligned at 64-byte boundary 
+.skip	32	// makes the loop body aligned at 64-byte boundary
 bn_sqr_words:
 	.prologue
 	.save	ar.pfs,r2

crypto/bn/asm/sparcv8plus.S

@@ -154,9 +154,9 @@
   .register	%g2,#scratch
   .register	%g3,#scratch
 # define	FRAME_SIZE	-192
-#else 
+#else
 # define	FRAME_SIZE	-96
-#endif 
+#endif
 /*
  * GNU assembler can't stand stuw:-(
  */

crypto/bn/bn_ctx.c

@@ -256,7 +256,7 @@ static int BN_STACK_push(BN_STACK *st, unsigned int idx)
         unsigned int newsize =
             st->size ? (st->size * 3 / 2) : BN_CTX_START_FRAMES;
         unsigned int *newitems;
-        
+
         if ((newitems = OPENSSL_malloc(sizeof(*newitems) * newsize)) == NULL) {
             BNerr(BN_F_BN_STACK_PUSH, ERR_R_MALLOC_FAILURE);
             return 0;
@@ -310,7 +310,7 @@ static BIGNUM *BN_POOL_get(BN_POOL *p, int flag)
     /* Full; allocate a new pool item and link it in. */
     if (p->used == p->size) {
         BN_POOL_ITEM *item;
-        
+
         if ((item = OPENSSL_malloc(sizeof(*item))) == NULL) {
             BNerr(BN_F_BN_POOL_GET, ERR_R_MALLOC_FAILURE);
             return NULL;

crypto/cryptlib.c

@@ -352,9 +352,9 @@ void OPENSSL_showfatal(const char *fmta, ...)
 
     /*
     * TODO: (For non GUI and no std error cases)
-    * Add event logging feature here. 
+    * Add event logging feature here.
     */
-    
+
 #   if !defined(NDEBUG)
         /*
         * We are in a situation where we tried to report a critical
@@ -393,7 +393,7 @@ void OPENSSL_showfatal(const char *fmta, ...)
 #  endif
 # else
     MessageBox(NULL, buf, _T("OpenSSL: FATAL"), MB_OK | MB_ICONERROR);
-# endif     
+# endif
 }
 #else
 void OPENSSL_showfatal(const char *fmta, ...)

crypto/des/asm/des_enc.m4

@@ -311,7 +311,7 @@ $4:
 	sll	out1, 28, out1            ! rotate
 	xor	$1, local1, $1            ! 1 finished, local1 now sbox 7
 
-	ld	[global2+local2], local2  ! 2 
+	ld	[global2+local2], local2  ! 2
 	srl	out0, 24, local1          ! 7
 	or	out1, local0, out1        ! rotate
 
@@ -1390,7 +1390,7 @@ DES_ncbc_encrypt:
 	add	%o7,global1,global1
 	sub	global1,.PIC.DES_SPtrans-.des_and,out2
 
-	cmp	in5, 0                    ! enc   
+	cmp	in5, 0                    ! enc
 
 	be	.ncbc.dec
 	STPTR	in4, IVEC