Add leading blank lines check and trim redundant blank newlines

src/CMakeLists.txt

@@ -1,4 +1,3 @@
-
 SET (LIBGD_SRC_FILES
 	bmp.h
 	gd.c

src/COPYING

@@ -1,4 +1,3 @@
-
      Portions copyright 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001,
      2002 by Cold Spring Harbor Laboratory. Funded under Grant
      P41-RR02188 by the National Institutes of Health.

src/fontsizetest.c

@@ -1,4 +1,3 @@
-
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif

src/fontwheeltest.c

@@ -1,4 +1,3 @@
-
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif

src/gd2copypal.c

@@ -1,4 +1,3 @@
-
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif

src/gd2topng.c

@@ -1,4 +1,3 @@
-
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif

src/gd_nnquant.h

@@ -1,4 +1,3 @@
-
 /* maximum number of colours that can be used.
   actual number is now passed to initcolors */
 #define MAXNETSIZE	256

src/gddemo.c

@@ -1,4 +1,3 @@
-
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif

src/gdfontg.c

@@ -1,5 +1,3 @@
-
-
 /*
    This is a header file for gd font, generated using
    bdftogd version 0.51 by Jan Pazdziora, adelton@fi.muni.cz

src/gdfontl.c

@@ -1,5 +1,3 @@
-
-
 /*
    This is a header file for gd font, generated using
    bdftogd version 0.5 by Jan Pazdziora, adelton@fi.muni.cz

src/gdfontmb.c

@@ -1,5 +1,3 @@
-
-
 /*
    This is a header file for gd font, generated using
    bdftogd version 0.5 by Jan Pazdziora, adelton@fi.muni.cz

src/gdfontt.c

@@ -1,5 +1,3 @@
-
-
 /*
    This is a header file for gd font, generated using
    bdftogd version 0.5 by Jan Pazdziora, adelton@fi.muni.cz

src/gdft.c

@@ -1,4 +1,3 @@
-
 /********************************************/
 /* gd interface to freetype library         */
 /*                                          */

src/gdparttopng.c

@@ -1,4 +1,3 @@
-
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif

src/gdtables.c

@@ -1,4 +1,3 @@
-
 const int gdCosT[] = {
 	1024,
 	1023,

src/gdtestft.c

@@ -1,4 +1,3 @@
-
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif

src/gdtopng.c

@@ -1,4 +1,3 @@
-
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif

src/pngtogd2.c

@@ -1,4 +1,3 @@
-
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif

src/testac.c

@@ -1,4 +1,3 @@
-
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif

tests/CMakeLists.txt

@@ -1,4 +1,3 @@
-
 if (BUILD_TEST)
 	SET(DART_TESTING_TIMEOUT 5)
 

tests/source/whitespace.py

@@ -14,17 +14,21 @@ import sys
 def check(path):
     with open(path, 'rb') as fp:
         # Skip 0 byte files.
-        fp.seek(0, 2)
-        size = fp.tell()
-        if size == 0:
+        first_byte = fp.read(1)
+        if not first_byte:
             return 0
 
+        # Check for leading blank lines.
+        if b'\n' == first_byte:
+            print('%s: trim leading blank lines' % (path,), file=sys.stderr)
+            return 1
+
         # Check for missing trailing new line.
         fp.seek(-1, 2)
         if b'\n' != fp.read(1):
             print('%s: missing trailing new line' % (path,), file=sys.stderr)
             return 1
-        elif size == 1:
+        elif fp.tell() == 1:
             print('%s: dummy file' % (path,), file=sys.stderr)
             return 1
 

windows/msys/Makefile

@@ -1,4 +1,3 @@
-
 # Simple makefile for building and testing libgd under MSYS/MinGW on
 # Windows
 

windows/msys/README.MSYS.md

@@ -1,4 +1,3 @@
-
 # MSYS Fallback Makefile
 
 This is a simple, straightforward Makefile for building LibGD with