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/* $NetBSD: stat_flags.c,v 1.5 2011/07/27 15:31:00 seb Exp $ */
/*-
* Copyright (c) 1993
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#if HAVE_CONFIG_H
#include "config.h"
#endif
#if 0
#if HAVE_NBTOOL_CONFIG_H
#include "nbtool_config.h"
#else
#define HAVE_STRUCT_STAT_ST_FLAGS 1
#endif
#endif
#include <nbcompat.h>
#if HAVE_SYS_CDEFS_H
#include <sys/cdefs.h>
#endif
#if !defined(lint)
#if 0
static char sccsid[] = "@(#)stat_flags.c 8.2 (Berkeley) 7/28/94";
#else
__RCSID("$NetBSD: stat_flags.c,v 1.5 2011/07/27 15:31:00 seb Exp $");
#endif
#endif /* not lint */
#if HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#if HAVE_SYS_STAT_H
#include <sys/stat.h>
#endif
#if HAVE_FTS_H
#include <fts.h>
#endif
#if HAVE_STDDEF_H
#include <stddef.h>
#endif
#if HAVE_STRING_H
#include <string.h>
#endif
#include "stat_flags.h"
#define SAPPEND(s) do { \
if (prefix != NULL) \
(void)strlcat(string, prefix, sizeof(string)); \
(void)strlcat(string, s, sizeof(string)); \
prefix = ","; \
} while (/* CONSTCOND */ 0)
/*
* flags_to_string --
* Convert stat flags to a comma-separated string. If no flags
* are set, return the default string.
*/
char *
flags_to_string(u_long flags, const char *def)
{
static char string[128];
const char *prefix;
string[0] = '\0';
prefix = NULL;
#if HAVE_STRUCT_STAT_ST_FLAGS
if (flags & UF_APPEND)
SAPPEND("uappnd");
if (flags & UF_IMMUTABLE)
SAPPEND("uchg");
if (flags & UF_NODUMP)
SAPPEND("nodump");
if (flags & UF_OPAQUE)
SAPPEND("opaque");
if (flags & SF_APPEND)
SAPPEND("sappnd");
if (flags & SF_ARCHIVED)
SAPPEND("arch");
if (flags & SF_IMMUTABLE)
SAPPEND("schg");
#ifdef SF_SNAPSHOT
if (flags & SF_SNAPSHOT)
SAPPEND("snap");
#endif
#endif
if (prefix == NULL)
strlcpy(string, def, sizeof(string));
return (string);
}
#define TEST(a, b, f) { \
if (!strcmp(a, b)) { \
if (clear) { \
if (clrp) \
*clrp |= (f); \
if (setp) \
*setp &= ~(f); \
} else { \
if (setp) \
*setp |= (f); \
if (clrp) \
*clrp &= ~(f); \
} \
break; \
} \
}
/*
* string_to_flags --
* Take string of arguments and return stat flags. Return 0 on
* success, 1 on failure. On failure, stringp is set to point
* to the offending token.
*/
int
string_to_flags(char **stringp, u_long *setp, u_long *clrp)
{
int clear;
char *string, *p;
if (setp)
*setp = 0;
if (clrp)
*clrp = 0;
#if HAVE_STRUCT_STAT_ST_FLAGS
string = *stringp;
while ((p = strsep(&string, "\t ,")) != NULL) {
clear = 0;
*stringp = p;
if (*p == '\0')
continue;
if (p[0] == 'n' && p[1] == 'o') {
clear = 1;
p += 2;
}
switch (p[0]) {
case 'a':
TEST(p, "arch", SF_ARCHIVED);
TEST(p, "archived", SF_ARCHIVED);
return (1);
case 'd':
clear = !clear;
TEST(p, "dump", UF_NODUMP);
return (1);
case 'n':
/*
* Support `nonodump'. Note that
* the state of clear is not changed.
*/
TEST(p, "nodump", UF_NODUMP);
return (1);
case 'o':
TEST(p, "opaque", UF_OPAQUE);
return (1);
case 's':
TEST(p, "sappnd", SF_APPEND);
TEST(p, "sappend", SF_APPEND);
TEST(p, "schg", SF_IMMUTABLE);
TEST(p, "schange", SF_IMMUTABLE);
TEST(p, "simmutable", SF_IMMUTABLE);
return (1);
case 'u':
TEST(p, "uappnd", UF_APPEND);
TEST(p, "uappend", UF_APPEND);
TEST(p, "uchg", UF_IMMUTABLE);
TEST(p, "uchange", UF_IMMUTABLE);
TEST(p, "uimmutable", UF_IMMUTABLE);
return (1);
default:
return (1);
}
}
#endif
return (0);
}
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