import cffi import os ffi = cffi.FFI() with open( os.path.join(os.path.join(os.path.dirname(__file__), '..'), 'bdiff.c') ) as f: ffi.set_source( "mercurial.cffi._bdiff", f.read(), include_dirs=['mercurial'] ) ffi.cdef( """ struct bdiff_line { int hash, n, e; ssize_t len; const char *l; }; struct bdiff_hunk; struct bdiff_hunk { int a1, a2, b1, b2; struct bdiff_hunk *next; }; int bdiff_splitlines(const char *a, ssize_t len, struct bdiff_line **lr); int bdiff_diff(struct bdiff_line *a, int an, struct bdiff_line *b, int bn, struct bdiff_hunk *base); void bdiff_freehunks(struct bdiff_hunk *l); void free(void*); """ ) if __name__ == '__main__': ffi.compile()