Add support for cpp files with test examples

Fix https://github.com/clearlinux/make-fmv-patch/issues/2

Signed-off-by: Victor Rodriguez <victor.rodriguez.bahena@intel.com>

README

@@ -25,3 +25,20 @@ Requirements
     In order to use `make-fvm-patch.pl` your system will need Exuberant Ctags
     (https://sourceforge.net/projects/ctags/), this is due to the `--c-kinds`
     ctags' flag usage.
+
+------------
+Test examples
+------------
+```
+    cd tests
+    make
+    cd ..
+
+    perl make-fmv-patch.pl tests/max-build.log tests/
+    perl make-fmv-patch.pl tests/loop-build.log tests/
+
+    This will generate:
+
+    ./tests/max-test.cpp.patch
+    ./tests/loop-test.c.patch
+```

make-fmv-patch.pl

@@ -96,7 +96,7 @@ foreach (keys %f) {
     my $fname = $_;
     my @flines = @{$f{$_}->{v_line}};
 
-    if ($fname =~ /(\.c$)/) {
+    if ($fname =~ /(\.c$)/ || $fname =~ /(\.cpp$)/) {
         my $f_path = &find_file($fname);
 
         my @keys = 0;

tests/Makefile

@@ -0,0 +1,9 @@
+all:
+	gcc -O2 -ftree-vectorize loop-test.c -o loop-test -fopt-info-vec &> loop-build.log
+	g++ -O2 -ftree-vectorize max-test.cpp -o max-test -fopt-info-vec &> max-build.log
+clean:
+	@find . -type f -executable -exec sh -c "file -i '{}' | grep -q 'x-executable; charset=binary'" \; -print | xargs rm -f
+distclean:
+	@rm -rf *.c.patch
+	@rm -rf *.cpp.patch
+	@rm -rf *build.log

tests/loop-test.c

@@ -0,0 +1,25 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/time.h>
+#define MAX 1000000
+
+static struct timeval tm1;
+int a[256], b[256], c[256];
+
+void foo();
+
+int main(){
+    foo();
+    return 0;
+}
+
+void foo(){
+    int i,x;
+    for (x=0; x<MAX; x++){
+        for (i=0; i<256; i++){
+            a[i] = b[i] + c[i];
+        }
+    }
+}
+
+

tests/max-test.cpp

@@ -0,0 +1,36 @@
+#include <iostream>
+using namespace std;
+
+int max(int num1, int num2);
+void foo();
+
+int a[256], b[256];
+
+int main () {
+    foo();
+    return 0;
+}
+
+void foo(){
+
+    int i;
+    for (i=0; i<256; i++){
+        a[i] = 100;
+        b[i] = 200;
+    }
+
+    int ret;
+    for (i=0; i<256; i++){
+       ret = max(a[i], b[i]);
+       cout << "Max value is : " << ret << endl;
+    }
+}
+
+int max(int num1, int num2) {
+    int result;
+    if (num1 > num2)
+        result = num1;
+    else
+        result = num2;
+    return result;
+}