mercurial/cffi/mpatchbuild.py
author Gregory Szorc <gregory.szorc@gmail.com>
Wed, 15 Aug 2018 23:05:23 +0000
changeset 39323 c11e8894b9ca
parent 36948 0585337ea787
child 43076 2372284d9457
permissions -rw-r--r--
tests: mark manifestfulltextcache as conditional on revlog store This file is currently specific to the revlog store. Other stores may not implement it. Mark it as such in test output. Differential Revision: https://phab.mercurial-scm.org/D4395
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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()