octave-shane/gnulib-hg: lib/fts-cycle.c annotate

annotate lib/fts-cycle.c @ 17255:d81be792518a

update from texinfo

author	Karl Berry <karl@freefriends.org>
date	Tue, 01 Jan 2013 15:51:49 -0800
parents	e542fd46ad6f
children	344018b6e5d7

rev	line source
5872 fab6701e5cb2 New fts module. Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	1 /* Detect cycles in file tree walks.
fab6701e5cb2 New fts module. Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	2
17249 e542fd46ad6f maint: update all copyright year number ranges Eric Blake <eblake@redhat.com> parents: 16201 diff changeset	3 Copyright (C) 2003-2006, 2009-2013 Free Software Foundation, Inc.
5872 fab6701e5cb2 New fts module. Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	4
fab6701e5cb2 New fts module. Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	5 Written by Jim Meyering.
fab6701e5cb2 New fts module. Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	6
9309 bbbbbf4cd1c5 Change copyright notice from GPLv2+ to GPLv3+. Bruno Haible <bruno@clisp.org> parents: 7459 diff changeset	7 This program is free software: you can redistribute it and/or modify
5872 fab6701e5cb2 New fts module. Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	8 it under the terms of the GNU General Public License as published by
9309 bbbbbf4cd1c5 Change copyright notice from GPLv2+ to GPLv3+. Bruno Haible <bruno@clisp.org> parents: 7459 diff changeset	9 the Free Software Foundation; either version 3 of the License, or
bbbbbf4cd1c5 Change copyright notice from GPLv2+ to GPLv3+. Bruno Haible <bruno@clisp.org> parents: 7459 diff changeset	10 (at your option) any later version.
5872 fab6701e5cb2 New fts module. Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	11
fab6701e5cb2 New fts module. Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	12 This program is distributed in the hope that it will be useful,
fab6701e5cb2 New fts module. Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	13 but WITHOUT ANY WARRANTY; without even the implied warranty of
fab6701e5cb2 New fts module. Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
fab6701e5cb2 New fts module. Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	15 GNU General Public License for more details.
fab6701e5cb2 New fts module. Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	16
fab6701e5cb2 New fts module. Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	17 You should have received a copy of the GNU General Public License
9309 bbbbbf4cd1c5 Change copyright notice from GPLv2+ to GPLv3+. Bruno Haible <bruno@clisp.org> parents: 7459 diff changeset	18 along with this program. If not, see <http://www.gnu.org/licenses/>. */
5872 fab6701e5cb2 New fts module. Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	19
fab6701e5cb2 New fts module. Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	20 #include "cycle-check.h"
fab6701e5cb2 New fts module. Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	21 #include "hash.h"
fab6701e5cb2 New fts module. Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	22
5907 c47674a83a78 Sync from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 5872 diff changeset	23 /* Use each of these to map a device/inode pair to an FTSENT. */
5872 fab6701e5cb2 New fts module. Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	24 struct Active_dir
fab6701e5cb2 New fts module. Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	25 {
fab6701e5cb2 New fts module. Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	26 dev_t dev;
fab6701e5cb2 New fts module. Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	27 ino_t ino;
fab6701e5cb2 New fts module. Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	28 FTSENT *fts_ent;
fab6701e5cb2 New fts module. Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	29 };
fab6701e5cb2 New fts module. Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	30
fab6701e5cb2 New fts module. Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	31 static bool
fab6701e5cb2 New fts module. Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	32 AD_compare (void const x, void const y)
fab6701e5cb2 New fts module. Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	33 {
fab6701e5cb2 New fts module. Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	34 struct Active_dir const *ax = x;
fab6701e5cb2 New fts module. Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	35 struct Active_dir const *ay = y;
fab6701e5cb2 New fts module. Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	36 return ax->ino == ay->ino
fab6701e5cb2 New fts module. Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	37 && ax->dev == ay->dev;
fab6701e5cb2 New fts module. Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	38 }
fab6701e5cb2 New fts module. Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	39
fab6701e5cb2 New fts module. Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	40 static size_t
fab6701e5cb2 New fts module. Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	41 AD_hash (void const *x, size_t table_size)
fab6701e5cb2 New fts module. Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	42 {
fab6701e5cb2 New fts module. Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	43 struct Active_dir const *ax = x;
fab6701e5cb2 New fts module. Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	44 return (uintmax_t) ax->ino % table_size;
fab6701e5cb2 New fts module. Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	45 }
fab6701e5cb2 New fts module. Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	46
fab6701e5cb2 New fts module. Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	47 /* Set up the cycle-detection machinery. */
fab6701e5cb2 New fts module. Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	48
fab6701e5cb2 New fts module. Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	49 static bool
fab6701e5cb2 New fts module. Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	50 setup_dir (FTS *fts)
fab6701e5cb2 New fts module. Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	51 {
6036 14b1cca449ad (setup_dir, enter_dir, leave_dir, free_dir): Jim Meyering <jim@meyering.net> parents: 5907 diff changeset	52 if (fts->fts_options & (FTS_TIGHT_CYCLE_CHECK \| FTS_LOGICAL))
5872 fab6701e5cb2 New fts module. Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	53 {
fab6701e5cb2 New fts module. Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	54 enum { HT_INITIAL_SIZE = 31 };
fab6701e5cb2 New fts module. Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	55 fts->fts_cycle.ht = hash_initialize (HT_INITIAL_SIZE, NULL, AD_hash,
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 9309 diff changeset	56 AD_compare, free);
5872 fab6701e5cb2 New fts module. Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	57 if (! fts->fts_cycle.ht)
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 9309 diff changeset	58 return false;
5872 fab6701e5cb2 New fts module. Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	59 }
fab6701e5cb2 New fts module. Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	60 else
fab6701e5cb2 New fts module. Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	61 {
fab6701e5cb2 New fts module. Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	62 fts->fts_cycle.state = malloc (sizeof *fts->fts_cycle.state);
fab6701e5cb2 New fts module. Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	63 if (! fts->fts_cycle.state)
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 9309 diff changeset	64 return false;
5872 fab6701e5cb2 New fts module. Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	65 cycle_check_init (fts->fts_cycle.state);
fab6701e5cb2 New fts module. Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	66 }
fab6701e5cb2 New fts module. Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	67
fab6701e5cb2 New fts module. Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	68 return true;
fab6701e5cb2 New fts module. Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	69 }
fab6701e5cb2 New fts module. Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	70
fab6701e5cb2 New fts module. Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	71 /* Enter a directory during a file tree walk. */
fab6701e5cb2 New fts module. Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	72
fab6701e5cb2 New fts module. Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	73 static bool
fab6701e5cb2 New fts module. Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	74 enter_dir (FTS fts, FTSENT ent)
fab6701e5cb2 New fts module. Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	75 {
6036 14b1cca449ad (setup_dir, enter_dir, leave_dir, free_dir): Jim Meyering <jim@meyering.net> parents: 5907 diff changeset	76 if (fts->fts_options & (FTS_TIGHT_CYCLE_CHECK \| FTS_LOGICAL))
5872 fab6701e5cb2 New fts module. Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	77 {
fab6701e5cb2 New fts module. Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	78 struct stat const *st = ent->fts_statp;
fab6701e5cb2 New fts module. Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	79 struct Active_dir ad = malloc (sizeof ad);
fab6701e5cb2 New fts module. Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	80 struct Active_dir *ad_from_table;
fab6701e5cb2 New fts module. Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	81
fab6701e5cb2 New fts module. Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	82 if (!ad)
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 9309 diff changeset	83 return false;
5872 fab6701e5cb2 New fts module. Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	84
fab6701e5cb2 New fts module. Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	85 ad->dev = st->st_dev;
fab6701e5cb2 New fts module. Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	86 ad->ino = st->st_ino;
fab6701e5cb2 New fts module. Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	87 ad->fts_ent = ent;
fab6701e5cb2 New fts module. Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	88
fab6701e5cb2 New fts module. Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	89 /* See if we've already encountered this directory.
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 9309 diff changeset	90 This can happen when following symlinks as well as
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 9309 diff changeset	91 with a corrupted directory hierarchy. */
5872 fab6701e5cb2 New fts module. Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	92 ad_from_table = hash_insert (fts->fts_cycle.ht, ad);
fab6701e5cb2 New fts module. Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	93
fab6701e5cb2 New fts module. Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	94 if (ad_from_table != ad)
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 9309 diff changeset	95 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 9309 diff changeset	96 free (ad);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 9309 diff changeset	97 if (!ad_from_table)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 9309 diff changeset	98 return false;
5872 fab6701e5cb2 New fts module. Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	99
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 9309 diff changeset	100 /* There was an entry with matching dev/inode already in the table.
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 9309 diff changeset	101 Record the fact that we've found a cycle. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 9309 diff changeset	102 ent->fts_cycle = ad_from_table->fts_ent;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 9309 diff changeset	103 ent->fts_info = FTS_DC;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 9309 diff changeset	104 }
5872 fab6701e5cb2 New fts module. Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	105 }
fab6701e5cb2 New fts module. Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	106 else
fab6701e5cb2 New fts module. Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	107 {
fab6701e5cb2 New fts module. Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	108 if (cycle_check (fts->fts_cycle.state, ent->fts_statp))
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 9309 diff changeset	109 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 9309 diff changeset	110 /* FIXME: setting fts_cycle like this isn't proper.
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 9309 diff changeset	111 To do what the documentation requires, we'd have to
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 9309 diff changeset	112 go around the cycle again and find the right entry.
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 9309 diff changeset	113 But no callers in coreutils use the fts_cycle member. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 9309 diff changeset	114 ent->fts_cycle = ent;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 9309 diff changeset	115 ent->fts_info = FTS_DC;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 9309 diff changeset	116 }
5872 fab6701e5cb2 New fts module. Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	117 }
fab6701e5cb2 New fts module. Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	118
fab6701e5cb2 New fts module. Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	119 return true;
fab6701e5cb2 New fts module. Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	120 }
fab6701e5cb2 New fts module. Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	121
fab6701e5cb2 New fts module. Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	122 /* Leave a directory during a file tree walk. */
fab6701e5cb2 New fts module. Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	123
fab6701e5cb2 New fts module. Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	124 static void
fab6701e5cb2 New fts module. Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	125 leave_dir (FTS fts, FTSENT ent)
fab6701e5cb2 New fts module. Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	126 {
6912 314715e0260d Merge from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 6322 diff changeset	127 struct stat const *st = ent->fts_statp;
6036 14b1cca449ad (setup_dir, enter_dir, leave_dir, free_dir): Jim Meyering <jim@meyering.net> parents: 5907 diff changeset	128 if (fts->fts_options & (FTS_TIGHT_CYCLE_CHECK \| FTS_LOGICAL))
5872 fab6701e5cb2 New fts module. Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	129 {
fab6701e5cb2 New fts module. Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	130 struct Active_dir obj;
fab6701e5cb2 New fts module. Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	131 void *found;
fab6701e5cb2 New fts module. Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	132 obj.dev = st->st_dev;
fab6701e5cb2 New fts module. Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	133 obj.ino = st->st_ino;
fab6701e5cb2 New fts module. Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	134 found = hash_delete (fts->fts_cycle.ht, &obj);
fab6701e5cb2 New fts module. Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	135 if (!found)
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 9309 diff changeset	136 abort ();
5872 fab6701e5cb2 New fts module. Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	137 free (found);
fab6701e5cb2 New fts module. Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	138 }
6912 314715e0260d Merge from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 6322 diff changeset	139 else
314715e0260d Merge from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 6322 diff changeset	140 {
314715e0260d Merge from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 6322 diff changeset	141 FTSENT *parent = ent->fts_parent;
7459 ed1c08123d81 * fts-cycle.c (leave_dir): When "leaving" a top level directory due Jim Meyering <jim@meyering.net> parents: 7455 diff changeset	142 if (parent != NULL && 0 <= parent->fts_level)
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 9309 diff changeset	143 CYCLE_CHECK_REFLECT_CHDIR_UP (fts->fts_cycle.state,
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 9309 diff changeset	144 (parent->fts_statp), st);
6912 314715e0260d Merge from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 6322 diff changeset	145 }
5872 fab6701e5cb2 New fts module. Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	146 }
fab6701e5cb2 New fts module. Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	147
fab6701e5cb2 New fts module. Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	148 /* Free any memory used for cycle detection. */
fab6701e5cb2 New fts module. Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	149
fab6701e5cb2 New fts module. Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	150 static void
fab6701e5cb2 New fts module. Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	151 free_dir (FTS *sp)
fab6701e5cb2 New fts module. Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	152 {
6036 14b1cca449ad (setup_dir, enter_dir, leave_dir, free_dir): Jim Meyering <jim@meyering.net> parents: 5907 diff changeset	153 if (sp->fts_options & (FTS_TIGHT_CYCLE_CHECK \| FTS_LOGICAL))
5872 fab6701e5cb2 New fts module. Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	154 {
fab6701e5cb2 New fts module. Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	155 if (sp->fts_cycle.ht)
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 9309 diff changeset	156 hash_free (sp->fts_cycle.ht);
5872 fab6701e5cb2 New fts module. Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	157 }
fab6701e5cb2 New fts module. Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	158 else
fab6701e5cb2 New fts module. Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	159 free (sp->fts_cycle.state);
fab6701e5cb2 New fts module. Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	160 }

Mercurial > hg > octave-shane > gnulib-hg

annotate lib/fts-cycle.c @ 17255:d81be792518a