1 from __future__ import absolute_import

     2 

     3 import cffi

     4 import os

     5 

     6 ffi = cffi.FFI()

     7 ffi.set_source("_bdiff_cffi",

     8     open(os.path.join(os.path.join(os.path.dirname(__file__), 'mercurial'),

     9         'bdiff.c')).read(), include_dirs=['mercurial'])

    10 ffi.cdef("""

    11 struct bdiff_line {

    12     int hash, n, e;

    13     ssize_t len;

    14     const char *l;

    15 };

    16 

    17 struct bdiff_hunk;

    18 struct bdiff_hunk {

    19     int a1, a2, b1, b2;

    20     struct bdiff_hunk *next;

    21 };

    22 

    23 int bdiff_splitlines(const char *a, ssize_t len, struct bdiff_line **lr);

    24 int bdiff_diff(struct bdiff_line *a, int an, struct bdiff_line *b, int bn,

    25     struct bdiff_hunk *base);

    26 void bdiff_freehunks(struct bdiff_hunk *l);

    27 void free(void*);

    28 """)

    29 

    30 if __name__ == '__main__':

    31     ffi.compile()