mercurial/bdiff.h
author Yuya Nishihara <yuya@tcha.org>
Fri, 04 Mar 2022 10:28:46 +0900
changeset 48951 cf99c4af1079
parent 48274 d86908050375
permissions -rw-r--r--
chgserver: remove Python 2 file descriptor logic Follows up 0bb28b7736bc "chgserver: remove Python 2 support code." On Python 2, we had to close newfp prior to restoring the original file description since "delete newfp" would otherwise close the file descriptor shared with the long-lived fp: in attachio(): newfp = os.fdopen(fp.fileno(), mode, bufsize) in _restoreio(): newfp.close() # temporarily close newfp.fileno() (= fp.fileno()) os.dup2(fd, fp.fileno()) # reopen fp.fileno() with original fd On the other hand, we shouldn't call newfp.close() on Python 3 since any function calls are proxied to the underlying file object by procutil.LineBufferedWrapper.
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#ifndef HG_BDIFF_H
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#define HG_BDIFF_H
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#include "compat.h"
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struct bdiff_line {
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	int hash, n, e;
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	ssize_t len;
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	const char *l;
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};
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struct bdiff_hunk;
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struct bdiff_hunk {
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	int a1, a2, b1, b2;
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	struct bdiff_hunk *next;
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};
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int bdiff_splitlines(const char *a, ssize_t len, struct bdiff_line **lr);
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int bdiff_diff(struct bdiff_line *a, int an, struct bdiff_line *b, int bn,
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               struct bdiff_hunk *base);
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void bdiff_freehunks(struct bdiff_hunk *l);
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#endif