mercurial/cffi/mpatchbuild.py
author Connor Sheehan <sheehan@mozilla.com>
Sat, 31 Mar 2018 10:21:39 -0400
changeset 37247 54b896f195d1
parent 36954 0585337ea787
child 43076 2372284d9457
permissions -rw-r--r--
stringutil: rename local email/names variables to their plural forms email and name variables are renamed to emails and names (respectively). This is because the email variable name shadows the email function within the stringutil module. Since we are renaming email, we also rename name for consistency. Differential Revision: https://phab.mercurial-scm.org/D3002
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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(os.path.join(os.path.dirname(__file__), '..',
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                                     'mpatch.c'))
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with open(mpatch_c) as f:
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    ffi.set_source("mercurial.cffi._mpatch", f.read(),
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                   include_dirs=["mercurial"])
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ffi.cdef("""
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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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if __name__ == '__main__':
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    ffi.compile()