cpp: Add cpp.c module to invoke C preprocessor

Add cpp_exec func to invoke C preprocessor
which allow to change the logic in one place only.

Signed-off-by: Vadim Kochan <vadim4j@gmail.com>
Signed-off-by: Tobias Klauser <tklauser@distanz.ch>

1 files changed, 6 insertions, 0 deletions

diff --git a/cpp.h b/cpp.h
new file mode 100644
index 0000000..a3e295d
--- /dev/null
+++ b/cpp.h
@@ -0,0 +1,6 @@
+#ifndef CPP_H
+#define CPP_H
+
+extern int cpp_exec(char *in_file, char *out_file, size_t out_len);
+
+#endif