/*-
* 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.
*/
#define SAPPEND(s) do { \
if (prefix != NULL) \
(void)strlcat(string, prefix, sizeof(string)); \
(void)strlcat(string, s, sizeof(string)); \
prefix = ","; \
} while (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)
{
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)
return strdup(string);
return strdup(def);
}
#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
