mercurial/cffi/bdiffbuild.py

win32: add a method to enable ANSI color code processing on Windows 10

SetConsoleMode() fails with an invalid parameter error if given this option
prior to Windows 10, so indicate that to the caller instead of doing explicit
version checks.

from __future__ import absolute_import

import cffi
import os

ffi = cffi.FFI()
ffi.set_source("mercurial.cffi._bdiff",
    open(os.path.join(os.path.join(os.path.dirname(__file__), '..'),
        'bdiff.c')).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()