Revise C++ coding style using clang-format

Run the `Utilities/Scripts/clang-format.bash` script to update
all our C++ code to a new style defined by `.clang-format`.
Use `clang-format` version 3.8.

* If you reached this commit for a line in `git blame`, re-run the blame
  operation starting at the parent of this commit to see older history
  for the content.

* See the parent commit for instructions to rebase a change across this
  style transition commit.

4 files changed, 28 insertions, 29 deletions

diff --git a/Tests/CustomCommand/gen_redirect_in.c b/Tests/CustomCommand/gen_redirect_in.c
index 8dd8f43..6af364b 100644
--- a/Tests/CustomCommand/gen_redirect_in.c
+++ b/Tests/CustomCommand/gen_redirect_in.c
@@ -1,5 +1,8 @@
 #if 1
 
-int gen_redirect() { return 3; }
+int gen_redirect()
+{
+  return 3;
+}
 
 /* endif should be concatenated to generated file */
diff --git a/Tests/CustomCommand/generator.cxx b/Tests/CustomCommand/generator.cxx
index cceac07..8281713 100644
--- a/Tests/CustomCommand/generator.cxx
+++ b/Tests/CustomCommand/generator.cxx
@@ -1,18 +1,17 @@
 #include <stdio.h>
 
-int main(int argc, char *argv[])
+int main(int argc, char* argv[])
 {
-  if ( argc < 2 )
-    {
+  if (argc < 2) {
     fprintf(stderr, "Usage: %s <file>\n", argv[0]);
     return 1;
-    }
-  FILE *fp = fopen(argv[1],"w");
+  }
+  FILE* fp = fopen(argv[1], "w");
 #ifdef GENERATOR_EXTERN
-  fprintf(fp,"int generated() { return 3; }\n");
+  fprintf(fp, "int generated() { return 3; }\n");
 #else
-  fprintf(fp,"extern int gen_redirect(void);\n");
-  fprintf(fp,"int generated() { return gen_redirect(); }\n");
+  fprintf(fp, "extern int gen_redirect(void);\n");
+  fprintf(fp, "int generated() { return gen_redirect(); }\n");
 #endif
   fclose(fp);
   return 0;
diff --git a/Tests/CustomCommand/tcat.cxx b/Tests/CustomCommand/tcat.cxx
index 89e3cb0..d010d14 100644
--- a/Tests/CustomCommand/tcat.cxx
+++ b/Tests/CustomCommand/tcat.cxx
@@ -3,9 +3,8 @@
 int main()
 {
   int c;
-  while((c = getc(stdin), c != EOF))
-    {
+  while ((c = getc(stdin), c != EOF)) {
     putc(c, stdout);
-    }
+  }
   return 0;
 }
diff --git a/Tests/CustomCommand/wrapper.cxx b/Tests/CustomCommand/wrapper.cxx
index 97912de..c380938 100644
--- a/Tests/CustomCommand/wrapper.cxx
+++ b/Tests/CustomCommand/wrapper.cxx
@@ -1,30 +1,28 @@
 #include <stdio.h>
 #include <string.h>
 
-int main(int argc, char *argv[])
+int main(int argc, char* argv[])
 {
-  if ( argc < 3 )
-    {
+  if (argc < 3) {
     fprintf(stderr, "Usage: %s <file1> <file2>\n", argv[0]);
     return 1;
-    }
-  FILE *fp = fopen(argv[1],"w");
-  fprintf(fp,"extern int wrapped_help();\n");
-  fprintf(fp,"int wrapped() { return wrapped_help(); }\n");
+  }
+  FILE* fp = fopen(argv[1], "w");
+  fprintf(fp, "extern int wrapped_help();\n");
+  fprintf(fp, "int wrapped() { return wrapped_help(); }\n");
   fclose(fp);
-  fp = fopen(argv[2],"w");
-  fprintf(fp,"int wrapped_help() { return 5; }\n");
+  fp = fopen(argv[2], "w");
+  fprintf(fp, "int wrapped_help() { return 5; }\n");
   fclose(fp);
 #ifdef CMAKE_INTDIR
-  const char* cfg = (argc >= 4)? argv[3] : "";
-  if(strcmp(cfg, CMAKE_INTDIR) != 0)
-    {
-    fprintf(stderr,
-            "Did not receive expected configuration argument:\n"
-            "  expected [" CMAKE_INTDIR "]\n"
-            "  received [%s]\n", cfg);
+  const char* cfg = (argc >= 4) ? argv[3] : "";
+  if (strcmp(cfg, CMAKE_INTDIR) != 0) {
+    fprintf(stderr, "Did not receive expected configuration argument:\n"
+                    "  expected [" CMAKE_INTDIR "]\n"
+                    "  received [%s]\n",
+            cfg);
     return 1;
-    }
+  }
 #endif
   return 0;
 }