clean up trailing whitespace/newlines

This is preparation for adding some linting checks for new commits from
people.  Shouldn't be any functional changes here (tests still pass!).

CMakeLists.txt

@@ -32,24 +32,24 @@ endif(BUILD_TEST)
 IF(CMAKE_COMPILER_IS_GNUCC)
   SET(CMAKE_C_FLAGS_DEBUG "-g -Wall -Wextra -O0") # will be added to CMAKE_C_FLAGS when CMAKE_BUILD_TYPE is "Debug"
 ENDIF(CMAKE_COMPILER_IS_GNUCC)
-SET (CMAKE_LIBRARY_OUTPUT_DIRECTORY 
-  ${PROJECT_BINARY_DIR}/Bin 
-  CACHE PATH 
-  "Single Directory for all Libraries" 
+SET (CMAKE_LIBRARY_OUTPUT_DIRECTORY
+  ${PROJECT_BINARY_DIR}/Bin
+  CACHE PATH
+  "Single Directory for all Libraries"
   )
 
-# --------- Setup the Executable output Directory ------------- 
-SET (CMAKE_RUNTIME_OUTPUT_DIRECTORY 
-  ${PROJECT_BINARY_DIR}/Bin 
-  CACHE PATH 
-  "Single Directory for all Executables." 
+# --------- Setup the Executable output Directory -------------
+SET (CMAKE_RUNTIME_OUTPUT_DIRECTORY
+  ${PROJECT_BINARY_DIR}/Bin
+  CACHE PATH
+  "Single Directory for all Executables."
   )
 
-# --------- Setup the Executable output Directory ------------- 
-SET (CMAKE_ARCHIVE_OUTPUT_DIRECTORY 
-  ${PROJECT_BINARY_DIR}/Bin 
-  CACHE PATH 
-  "Single Directory for all static libraries." 
+# --------- Setup the Executable output Directory -------------
+SET (CMAKE_ARCHIVE_OUTPUT_DIRECTORY
+  ${PROJECT_BINARY_DIR}/Bin
+  CACHE PATH
+  "Single Directory for all static libraries."
   )
 
 if (USE_EXT_GD)
@@ -106,7 +106,7 @@ else (USE_EXT_GD)
 	if (ENABLE_PNG)
 		FIND_PACKAGE(PNG REQUIRED)
 	endif (ENABLE_PNG)
-	
+
 	if (ENABLE_ICONV)
 		FIND_PACKAGE(ICONV REQUIRED)
 	endif (ENABLE_ICONV)
@@ -167,7 +167,7 @@ else (USE_EXT_GD)
 		INCLUDE_DIRECTORIES(${PNG_INCLUDE_DIR})
 		SET(HAVE_LIBPNG 1)
 	ENDIF(PNG_FOUND)
-	
+
 	IF(ICONV_FOUND)
 		INCLUDE_DIRECTORIES(${ICONV_INCLUDE_DIR})
 		SET(HAVE_ICONV 1)
@@ -302,4 +302,3 @@ set(CPACK_SOURCE_IGNORE_FILES
 )
 install(FILES ${top_level_DOCFILES} DESTINATION ${DOC_DIR})
 INCLUDE(CPack)
-

CONTRIBUTING.md

@@ -18,7 +18,7 @@
   * [Git Commit Messages](#git-commit-messages)
   * [Coding standard](#coding-standard)
   * [Documentation Styleguide](#documentation-styleguide)
- 
+
 ## What should I know before I get started?
 
 ### Code of Conduct
@@ -49,7 +49,7 @@ Before creating bug reports, please check [this list](#before-submitting-a-bug-r
 
 #### How Do I Submit A (Good) Bug Report?
 
-For security related bugs, github does not support private issues, that's why we have to handle security issues outside the issues tracker for now. Please drop a mail to [[email protected]](mailto:[email protected]). 
+For security related bugs, github does not support private issues, that's why we have to handle security issues outside the issues tracker for now. Please drop a mail to [[email protected]](mailto:[email protected]).
 
 Bugs are tracked as [GitHub issues](https://guides.github.com/features/issues/). After you've determined [which repository](#repositories) your bug is related to, create an issue on that repository and provide the following information.
 

COPYING

@@ -70,4 +70,3 @@ documentation.
 Although their code does not appear in the current release, the
 authors wish to thank David Koblas, David Rowley, and Hutchison
 Avenue Software Corporation for their prior contributions.
-

NEWS

@@ -12,7 +12,7 @@ GD 2.0.36 (2007-11-xx)
      (Pierre, Mark Fisher)
  88, Fixed support of PNG grayscale image with alpha channel (Pierre)
  95, Added Netware builds script (Guenter)
- 97, ease the creation of regexp to match symbols/functions in the sources 
+ 97, ease the creation of regexp to match symbols/functions in the sources
      (Guenter)
 100, spurious horizontal line drawn by gdImageFilledPolygon (Takeshi Abe)
 101, _gdCreateFromFile() can crash if gdImageCreate fails (Mattias Bengtsson)
@@ -37,17 +37,17 @@ GD 2.0.36 (2007-11-xx)
 198, Fixed useFontConfig() to work as documented (Mojca Miklavec, Ethan Merritt)
 
 GD 2.0.35 (2007-06-21)
-41, Fix valgrind error in gdImageFillTiled (Nuno Lopes) 
+41, Fix valgrind error in gdImageFillTiled (Nuno Lopes)
 45, Add missing custom cmake macros (required for the tests suite)
 51, Avoid signature buffer copy  in gd_gif_c (Nuno Lopes)
-48, Race condition in gdImageStringFTEx (Antony Dogval, Pierre 
+48, Race condition in gdImageStringFTEx (Antony Dogval, Pierre
     Scott MacVicar)
 52, Reading GIF images is not thread safe (static usage in private
     functions) (Roman Nemecek, Nuno Lopes, Pierre)
 60, GIF Local palette is read twice
-66, GIF, Use local frame dimension when possible instead of the 
+66, GIF, Use local frame dimension when possible instead of the
     logical screen size (Pierre)
-68, OpenVMS build support, see VMS/README.VMS for the details 
+68, OpenVMS build support, see VMS/README.VMS for the details
     (Alexey Chupahin)
 70, GIF, do not try to use the global colmap if it does not exist
     (Nuno Lopes, Pierre)
@@ -58,7 +58,7 @@ GD 2.0.35 (2007-06-21)
     (Pierre)
 86, Possible infinite loop in libgd/gd_png.c, flaw found by Xavier Roche
     (Pierre)
-87, Fixed segfault when an invalid color index is present in a GIF 
+87, Fixed segfault when an invalid color index is present in a GIF
     image data, reported by Elliot <wccode at gmail dot com> (Pierre)
 89, Possible integer overflow in gdImageCreateTrueColor (Pierre)
 94, gdImageCreateXbm can crash if gdImageCreate fails (Pierre)

VMS/CONFIGURE.COM

@@ -1,6 +1,6 @@
 $! (c) Alexey Chupahin  18-APR-2006, 15-DEC-2007
 $! OpenVMS 8.2  Alpha DEC 2000 model 300
-$! OpenVMS 8.3  Itanium rx1620 
+$! OpenVMS 8.3  Itanium rx1620
 $! GNU
 $!
 $!
@@ -26,9 +26,9 @@ $       SHARED=32
 $ENDIF
 $DECC = F$SEARCH("SYS$SYSTEM:DECC$COMPILER.EXE") .NES. ""
 $IF (DECC) THEN $WRITE SYS$OUTPUT  "Compiler		...  DEC C"
-$IF (.NOT. DECC) THEN $WRITE SYS$OUTPUT  "BAD compiler" GOTO EXIT 
+$IF (.NOT. DECC) THEN $WRITE SYS$OUTPUT  "BAD compiler" GOTO EXIT
 $MMS = F$SEARCH("SYS$SYSTEM:MMS.EXE") .NES. ""
-$MMK = F$TYPE(MMK) 
+$MMK = F$TYPE(MMK)
 $IF (MMS .OR. MMK.NES."") THEN GOTO TEST_LIBRARIES
 $WRITE SYS$OUTPUT "Please install MMS from DECSET or MMK"
 $! I cant find any make tool
@@ -150,7 +150,7 @@ $ CC/OBJECT=TEST.OBJ/INCLUDE=(FREETYPE2) SYS$INPUT
 int main(int argc, char *argv[])
 {
 
-#if FREETYPE_MAJOR == 2 && FREETYPE_MINOR <= 1 
+#if FREETYPE_MAJOR == 2 && FREETYPE_MINOR <= 1
         printf("This version is too old. Please get newest\n");
         printf("From fafner.dyndns.org/~alexey/libsdl/required.html\n");
 	exit(2);
@@ -220,8 +220,8 @@ $ CC/OBJECT=TEST.OBJ/INCLUDE=(PNG,ZLIB) SYS$INPUT
 	 n=png_access_version_number();
 	 n3=n%100; n=n/100;
 	 n2=n%100; n=n/100;
-	 n1=n%100; 
-	if ( (n1<=1)&&(n2<2) ) 
+	 n1=n%100;
+	if ( (n1<=1)&&(n2<2) )
 		{ printf("checking version  libPNG:  %d.%d.%d\n",n1,n2,n3);
 		  printf("This version is too old. Please get newest\n");
 		  printf("From fafner.dyndns.org/~alexey/libsdl/public.html\n");
@@ -252,7 +252,7 @@ $		LIBPNG_STATIC=0
 $       	HAVE_LIBPNG=0
 $       	GOTO NEXT2
 $	 ELSE
-$		HAVE_LIBPNG=1 
+$		HAVE_LIBPNG=1
 $		LIBPNG_STATIC=1
 $       ENDIF
 $  ELSE
@@ -287,7 +287,7 @@ $ CC/OBJECT=TEST.OBJ/INCLUDE=(JPEG) SYS$INPUT
       #include <stdlib.h>
       #include <stdio.h>
       #include <jpeglib.h>
-      #include <jversion.h>	
+      #include <jversion.h>
    int main()
      {
 	printf("checking version jpeg:  %s\n",JVERSION);
@@ -805,7 +805,7 @@ $  THEN
 $	IF (ZLIB_STATIC.EQ.0)
 $	  THEN
 $		APP SYS$INPUT [.SRC]LIBGD.OPT
-		SYS$SHARE:LIBZSHR/SHARE	
+		SYS$SHARE:LIBZSHR/SHARE
 $	  ELSE
 $		APP SYS$INPUT [.SRC]LIBGD.OPT
 		ZLIB:LIBZ/LIB
@@ -954,29 +954,29 @@ $	APP SYS$INPUT [.SRC]CONFIG.H
 	/* Define if <iconv.h> defines iconv_t. */
 	#define HAVE_ICONV_T_DEF 1
 $ENDIF
-$IF HAVE_TIFF.EQ.1 
-$  THEN 
+$IF HAVE_TIFF.EQ.1
+$  THEN
 $	APP SYS$INPUT [.SRC]CONFIG.H
 	#define HAVE_LIBTIFF 1
 $ENDIF
-$IF HAVE_LIBPNG.EQ.1   
-$   THEN 
+$IF HAVE_LIBPNG.EQ.1
+$   THEN
 $	APP SYS$INPUT [.SRC]CONFIG.H
 	#define HAVE_LIBPNG 1
 $ENDIF
 $IF HAVE_FREETYPE.EQ.1
-$   THEN 
+$   THEN
 $	APP SYS$INPUT [.SRC]CONFIG.H
 	#define HAVE_LIBFREETYPE 1
 	#define HAVE_FT2BUILD_H 1
 $ENDIF
-$IF HAVE_JPEG.EQ.1 
-$   THEN 
+$IF HAVE_JPEG.EQ.1
+$   THEN
 $	APP SYS$INPUT [.SRC]CONFIG.H
 	#define HAVE_LIBJPEG 1
 $ENDIF
-$IF HAVE_ZLIB.EQ.1 
-$   THEN 
+$IF HAVE_ZLIB.EQ.1
+$   THEN
 $	APP SYS$INPUT [.SRC]CONFIG.H
 	#define HAVE_LIBZ 1
 $ENDIF
@@ -994,7 +994,7 @@ $COP SYS$INPUT [.SRC]DESCRIP.MMS
 # Alexey Chupahin [email protected]
 # OpenVMS 7.3-1,8.2  DEC 2000 mod.300
 # OpenVMS 8.3        HP  rx1620
-  
+
 
 .FIRST
 	DEF LIBGD []

VMS/README.VMS

@@ -1,6 +1,6 @@
 Dear OpenVMS user,
 
-Installation process is identical to one in *nix* world and consist to 
+Installation process is identical to one in *nix* world and consist to
 four simple steps:
 1. Installing required libraries
 2. Configuration
@@ -18,7 +18,7 @@ four simple steps:
 All may be found at OpenVMS libSDL porting project site
 http://fafner.dyndns.org/~alexey/libsdl/required.html
 
-Also, system should have MMS make utility from DEC or 
+Also, system should have MMS make utility from DEC or
 free analogue MMK. And C compiler with runtime, of course. ;)
 
 
@@ -27,14 +27,14 @@ free analogue MMK. And C compiler with runtime, of course. ;)
 $@[.VMS]CONFIGURE
 
 The script detects hardware,system and required libraries have been installed.
-Compilation stage will be prepeared to create shared and static libraries. 
-Alpha,IA64 or VAX platform are supported. Optional argument "static" 
+Compilation stage will be prepeared to create shared and static libraries.
+Alpha,IA64 or VAX platform are supported. Optional argument "static"
 tells to configurator to make static libraries only:
 
 $@[.VMS]CONFIGURE STATIC
 
-CONFIGURE script checks your ZLIB, FREETYPE, JPEG, PNG libraries. 
-If it detects any troubles, you may get and install good and tested ones 
+CONFIGURE script checks your ZLIB, FREETYPE, JPEG, PNG libraries.
+If it detects any troubles, you may get and install good and tested ones
 from OpenVMS libSDL porting project site:
 http://fafner.dyndns.org/~alexey/libsdl/required.html
 
@@ -54,7 +54,7 @@ $@LIBGD$STARTUP
 
 LIBGD and its utilites are ready to using.
 
-Optionally you may insert this startup file into your LOGIN.COM 
+Optionally you may insert this startup file into your LOGIN.COM
 to set libGD environment every time you login automatically.
 
 To learn libGD please refer libGD official documentation.

cmake/modules/CMakeParseArguments.cmake

@@ -69,16 +69,16 @@
 #
 #  * Redistributions of source code must retain the above copyright notice,
 #    this list of conditions and the following disclaimer.
-# 
+#
 #  * 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.
-# 
+#
 #  * The names of Kitware, Inc., the Insight Consortium, or the names of
 #    any consortium members, or of any contributors, may not be used to
 #    endorse or promote products derived from this software without
 #    specific prior written permission.
-# 
+#
 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER AND CONTRIBUTORS ``AS IS''
 # AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE

cmake/modules/CheckDIRSymbolExists.cmake

@@ -7,16 +7,16 @@
 #
 #  * Redistributions of source code must retain the above copyright notice,
 #    this list of conditions and the following disclaimer.
-# 
+#
 #  * 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.
-# 
+#
 #  * The names of Kitware, Inc., the Insight Consortium, or the names of
 #    any consortium members, or of any contributors, may not be used to
 #    endorse or promote products derived from this software without
 #    specific prior written permission.
-# 
+#
 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER AND CONTRIBUTORS ``AS IS''
 # AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
@@ -39,7 +39,7 @@
 # the AC_HEADER_DIRENT test programme rather than the CheckSymbolExists.cmake
 # test programme which always fails since DIR tends to be typedef'd
 # rather than #define'd.
-# 
+#
 # The following variables may be set before calling this macro to
 # modify the way the check is run:
 #
@@ -53,7 +53,7 @@ MACRO(CHECK_DIRSYMBOL_EXISTS FILES VARIABLE)
     SET(CMAKE_CONFIGURABLE_FILE_CONTENT "/* */\n")
     SET(MACRO_CHECK_DIRSYMBOL_EXISTS_FLAGS ${CMAKE_REQUIRED_FLAGS})
     IF(CMAKE_REQUIRED_LIBRARIES)
-      SET(CHECK_DIRSYMBOL_EXISTS_LIBS 
+      SET(CHECK_DIRSYMBOL_EXISTS_LIBS
         "-DLINK_LIBRARIES:STRING=${CMAKE_REQUIRED_LIBRARIES}")
     ELSE(CMAKE_REQUIRED_LIBRARIES)
       SET(CHECK_DIRSYMBOL_EXISTS_LIBS)
@@ -79,23 +79,23 @@ MACRO(CHECK_DIRSYMBOL_EXISTS FILES VARIABLE)
       ${CMAKE_BINARY_DIR}
       ${CMAKE_BINARY_DIR}/CMakeFiles/CMakeTmp/CheckDIRSymbolExists.c
       COMPILE_DEFINITIONS ${CMAKE_REQUIRED_DEFINITIONS}
-      CMAKE_FLAGS 
+      CMAKE_FLAGS
       -DCOMPILE_DEFINITIONS:STRING=${MACRO_CHECK_DIRSYMBOL_EXISTS_FLAGS}
       "${CHECK_DIRSYMBOL_EXISTS_LIBS}"
       "${CMAKE_DIRSYMBOL_EXISTS_INCLUDES}"
       OUTPUT_VARIABLE OUTPUT)
     IF(${VARIABLE})
       MESSAGE(STATUS "Looking for DIR in ${FILES} - found")
       SET(${VARIABLE} 1 CACHE INTERNAL "Have symbol DIR")
-      FILE(APPEND ${CMAKE_BINARY_DIR}/CMakeFiles/CMakeOutput.log 
+      FILE(APPEND ${CMAKE_BINARY_DIR}/CMakeFiles/CMakeOutput.log
         "Determining if the DIR symbol is defined as in AC_HEADER_DIRENT "
         "passed with the following output:\n"
         "${OUTPUT}\nFile ${CMAKE_BINARY_DIR}/CMakeFiles/CMakeTmp/CheckDIRSymbolExists.c:\n"
         "${CMAKE_CONFIGURABLE_FILE_CONTENT}\n")
     ELSE(${VARIABLE})
       MESSAGE(STATUS "Looking for DIR in ${FILES} - not found.")
       SET(${VARIABLE} "" CACHE INTERNAL "Have symbol DIR")
-      FILE(APPEND ${CMAKE_BINARY_DIR}/CMakeFiles/CMakeError.log 
+      FILE(APPEND ${CMAKE_BINARY_DIR}/CMakeFiles/CMakeError.log
         "Determining if the DIR symbol is defined as in AC_HEADER_DIRENT "
         "failed with the following output:\n"
         "${OUTPUT}\nFile ${CMAKE_BINARY_DIR}/CMakeFiles/CMakeTmp/CheckDIRSymbolExists.c:\n"

cmake/modules/CheckPrototypeExists.cmake

@@ -7,16 +7,16 @@
 #
 #  * Redistributions of source code must retain the above copyright notice,
 #    this list of conditions and the following disclaimer.
-# 
+#
 #  * 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.
-# 
+#
 #  * The names of Kitware, Inc., the Insight Consortium, or the names of
 #    any consortium members, or of any contributors, may not be used to
 #    endorse or promote products derived from this software without
 #    specific prior written permission.
-# 
+#
 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER AND CONTRIBUTORS ``AS IS''
 # AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
@@ -66,4 +66,3 @@ int main()
 ")
    CHECK_CXX_SOURCE_COMPILES("${_CHECK_PROTO_EXISTS_SOURCE_CODE}" ${_RESULT})
 ENDMACRO(CHECK_PROTOTYPE_EXISTS _SYMBOL _HEADER _RESULT)
-