Patch of cpplint to filter whitespace/braces for opening brace of C function

cpplint-function-opening-brace.patch

diff --git a/cpplint.py b/cpplint.py
index 95c0c32..fc8f6ba 100755
--- a/cpplint.py
+++ b/cpplint.py
@@ -3897,6 +3897,8 @@ def CheckBraces(filename, clean_lines, linenum, error):
     # within the 80 character limit of the preceding line.
     prevline = GetPreviousNonBlankLine(clean_lines, linenum)[0]
     if (not Search(r'[,;:}{(]\s*$', prevline) and
+        # test a C function definition
+        not Search(r'(void\s*|\(\s*|\w+(\s+\**\w+)+(,\s*\w+(\s+\**\w+)+)*\s*)\)', prevline) and
         not Match(r'\s*#', prevline) and
         not (GetLineWidth(prevline) > _line_length - 2 and '[]' in prevline)):
       error(filename, linenum, 'whitespace/braces', 4,

Test cases:

int foo()
{
int foo(void)
{
int foo(junk)  // warning for if/switch/while/...
{
int foo(int a)
{
int foo(int *a)
{
int foo(int *a, int b)
{
int foo(struct ssss *a, int b)
{
int foo(struct ssss *a,int b)
{
int foo(struct  ssss  *a,  int  b )
{
int foo(struct ssss *a,
		int b)
{