mercurial/cffi/bdiffbuild.py
author Pierre-Yves David <pierre-yves.david@octobus.net>
Wed, 07 Aug 2019 20:10:43 +0200
changeset 42776 5769ed8fa5f4
parent 36948 0585337ea787
child 43076 2372284d9457
permissions -rw-r--r--
rawdata: update callers in lfs' tests We update callers incrementally because this help bisecting failures. This was useful during development, so we expect it might be useful again in the future.

from __future__ import absolute_import

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()