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febad2fcf4
rcsid.
167 lines
4.5 KiB
C
167 lines
4.5 KiB
C
/*-
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* Copyright (c) 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef lint
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#if 0
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static char sccsid[] = "@(#)stat_flags.c 8.1 (Berkeley) 5/31/93";
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#else
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static const char rcsid[] =
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"$Id: stat_flags.c,v 1.7 1997/08/07 15:33:49 steve Exp $";
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#endif
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#endif /* not lint */
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <stddef.h>
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#include <string.h>
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#define SAPPEND(s) { \
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if (prefix != NULL) \
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(void)strcat(string, prefix); \
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(void)strcat(string, s); \
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prefix = ","; \
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}
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/*
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* flags_to_string --
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* Convert stat flags to a comma-separated string. If no flags
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* are set, return the default string.
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*/
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char *
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flags_to_string(flags, def)
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u_long flags;
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char *def;
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{
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static char string[128];
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char *prefix;
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string[0] = '\0';
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prefix = NULL;
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if (flags & UF_APPEND)
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SAPPEND("uappnd");
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if (flags & UF_IMMUTABLE)
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SAPPEND("uchg");
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if (flags & UF_NOUNLINK)
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SAPPEND("uunlnk");
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if (flags & UF_NODUMP)
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SAPPEND("nodump");
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if (flags & UF_OPAQUE)
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SAPPEND("opaque");
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if (flags & SF_APPEND)
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SAPPEND("sappnd");
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if (flags & SF_ARCHIVED)
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SAPPEND("arch");
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if (flags & SF_IMMUTABLE)
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SAPPEND("schg");
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if (flags & SF_NOUNLINK)
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SAPPEND("sunlnk");
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return (prefix == NULL && def != NULL ? def : string);
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}
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#define TEST(a, b, f) { \
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if (!memcmp(a, b, sizeof(b))) { \
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if (clear) { \
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if (clrp) \
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*clrp |= (f); \
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} else if (setp) \
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*setp |= (f); \
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break; \
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} \
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}
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/*
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* string_to_flags --
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* Take string of arguments and return stat flags. Return 0 on
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* success, 1 on failure. On failure, stringp is set to point
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* to the offending token.
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*/
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int
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string_to_flags(stringp, setp, clrp)
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char **stringp;
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u_long *setp, *clrp;
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{
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int clear;
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char *string, *p;
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clear = 0;
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if (setp)
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*setp = 0;
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if (clrp)
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*clrp = 0;
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string = *stringp;
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while ((p = strsep(&string, "\t ,")) != NULL) {
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*stringp = p;
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if (*p == '\0')
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continue;
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if (p[0] == 'n' && p[1] == 'o') {
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clear = 1;
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p += 2;
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}
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switch (p[0]) {
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case 'a':
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TEST(p, "arch", SF_ARCHIVED);
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TEST(p, "archived", SF_ARCHIVED);
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return (1);
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case 'd':
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clear = !clear;
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TEST(p, "dump", UF_NODUMP);
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return (1);
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case 'o':
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TEST(p, "opaque", UF_OPAQUE);
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return (1);
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case 's':
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TEST(p, "sappnd", SF_APPEND);
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TEST(p, "sappend", SF_APPEND);
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TEST(p, "schg", SF_IMMUTABLE);
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TEST(p, "schange", SF_IMMUTABLE);
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TEST(p, "simmutable", SF_IMMUTABLE);
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TEST(p, "sunlnk", SF_NOUNLINK);
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TEST(p, "sunlink", SF_NOUNLINK);
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return (1);
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case 'u':
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TEST(p, "uappnd", UF_APPEND);
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TEST(p, "uappend", UF_APPEND);
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TEST(p, "uchg", UF_IMMUTABLE);
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TEST(p, "uchange", UF_IMMUTABLE);
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TEST(p, "uimmutable", UF_IMMUTABLE);
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TEST(p, "uunlnk", UF_NOUNLINK);
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TEST(p, "uunlink", UF_NOUNLINK);
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/* FALLTHROUGH */
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default:
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return (1);
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}
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}
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return (0);
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}
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