mercurial/cffi/mpatchbuild.py
author Pulkit Goyal <7895pulkit@gmail.com>
Wed, 13 Jan 2021 15:42:15 +0530
changeset 46232 eb01d6d00a50
parent 43668 53607fd3ec6c
child 48875 6000f5b25c9b
permissions -rw-r--r--
largefiles: remove unused imports This fixes test-check-pyflakes.t Differential Revision: https://phab.mercurial-scm.org/D9747
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from __future__ import absolute_import
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import cffi
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import os
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ffi = cffi.FFI()
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mpatch_c = os.path.join(
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    os.path.join(os.path.dirname(__file__), '..', 'mpatch.c')
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)
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with open(mpatch_c) as f:
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    ffi.set_source(
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        "mercurial.cffi._mpatch", f.read(), include_dirs=["mercurial"]
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    )
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ffi.cdef(
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    """
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struct mpatch_frag {
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       int start, end, len;
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       const char *data;
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};
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struct mpatch_flist {
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       struct mpatch_frag *base, *head, *tail;
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};
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extern "Python" struct mpatch_flist* cffi_get_next_item(void*, ssize_t);
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int mpatch_decode(const char *bin, ssize_t len, struct mpatch_flist** res);
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ssize_t mpatch_calcsize(size_t len, struct mpatch_flist *l);
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void mpatch_lfree(struct mpatch_flist *a);
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static int mpatch_apply(char *buf, const char *orig, size_t len,
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                        struct mpatch_flist *l);
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struct mpatch_flist *mpatch_fold(void *bins,
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                       struct mpatch_flist* (*get_next_item)(void*, ssize_t),
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                       ssize_t start, ssize_t end);
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"""
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)
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if __name__ == '__main__':
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    ffi.compile()