b9b670e347
lib/libc/gen/strtofflags.c became const, but gcc did not warn about
assigning its members to non-const pointers. Clang warned about this
with:
lib/libc/gen/strtofflags.c:98:12: error: assigning to 'char *' from 'const char *' discards qualifiers [-Werror,-Wincompatible-pointer-types]
for (sp = mapping[i].invert ? mapping[i].name :
^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Reviewed by: jilles
157 lines
4.3 KiB
C
157 lines
4.3 KiB
C
/*-
|
|
* 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.
|
|
* 4. 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 defined(LIBC_SCCS) && !defined(lint)
|
|
static char sccsid[] = "@(#)stat_flags.c 8.1 (Berkeley) 5/31/93";
|
|
#endif /* LIBC_SCCS and not lint */
|
|
#include <sys/cdefs.h>
|
|
__FBSDID("$FreeBSD$");
|
|
|
|
#include <sys/types.h>
|
|
#include <sys/stat.h>
|
|
|
|
#include <stddef.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <unistd.h>
|
|
|
|
#define longestflaglen 12
|
|
static struct {
|
|
char name[longestflaglen + 1];
|
|
char invert;
|
|
u_long flag;
|
|
} const mapping[] = {
|
|
/* shorter names per flag first, all prefixed by "no" */
|
|
{ "nosappnd", 0, SF_APPEND },
|
|
{ "nosappend", 0, SF_APPEND },
|
|
{ "noarch", 0, SF_ARCHIVED },
|
|
{ "noarchived", 0, SF_ARCHIVED },
|
|
{ "noschg", 0, SF_IMMUTABLE },
|
|
{ "noschange", 0, SF_IMMUTABLE },
|
|
{ "nosimmutable", 0, SF_IMMUTABLE },
|
|
{ "nosunlnk", 0, SF_NOUNLINK },
|
|
{ "nosunlink", 0, SF_NOUNLINK },
|
|
#ifdef SF_SNAPSHOT
|
|
{ "nosnapshot", 0, SF_SNAPSHOT },
|
|
#endif
|
|
{ "nouappnd", 0, UF_APPEND },
|
|
{ "nouappend", 0, UF_APPEND },
|
|
{ "nouchg", 0, UF_IMMUTABLE },
|
|
{ "nouchange", 0, UF_IMMUTABLE },
|
|
{ "nouimmutable", 0, UF_IMMUTABLE },
|
|
{ "nodump", 1, UF_NODUMP },
|
|
{ "noopaque", 0, UF_OPAQUE },
|
|
{ "nouunlnk", 0, UF_NOUNLINK },
|
|
{ "nouunlink", 0, UF_NOUNLINK }
|
|
};
|
|
#define nmappings (sizeof(mapping) / sizeof(mapping[0]))
|
|
|
|
/*
|
|
* fflagstostr --
|
|
* Convert file flags to a comma-separated string. If no flags
|
|
* are set, return the empty string.
|
|
*/
|
|
char *
|
|
fflagstostr(flags)
|
|
u_long flags;
|
|
{
|
|
char *string;
|
|
const char *sp;
|
|
char *dp;
|
|
u_long setflags;
|
|
int i;
|
|
|
|
if ((string = (char *)malloc(nmappings * (longestflaglen + 1))) == NULL)
|
|
return (NULL);
|
|
|
|
setflags = flags;
|
|
dp = string;
|
|
for (i = 0; i < nmappings; i++) {
|
|
if (setflags & mapping[i].flag) {
|
|
if (dp > string)
|
|
*dp++ = ',';
|
|
for (sp = mapping[i].invert ? mapping[i].name :
|
|
mapping[i].name + 2; *sp; *dp++ = *sp++) ;
|
|
setflags &= ~mapping[i].flag;
|
|
}
|
|
}
|
|
*dp = '\0';
|
|
return (string);
|
|
}
|
|
|
|
/*
|
|
* strtofflags --
|
|
* Take string of arguments and return file flags. Return 0 on
|
|
* success, 1 on failure. On failure, stringp is set to point
|
|
* to the offending token.
|
|
*/
|
|
int
|
|
strtofflags(stringp, setp, clrp)
|
|
char **stringp;
|
|
u_long *setp, *clrp;
|
|
{
|
|
char *string, *p;
|
|
int i;
|
|
|
|
if (setp)
|
|
*setp = 0;
|
|
if (clrp)
|
|
*clrp = 0;
|
|
string = *stringp;
|
|
while ((p = strsep(&string, "\t ,")) != NULL) {
|
|
*stringp = p;
|
|
if (*p == '\0')
|
|
continue;
|
|
for (i = 0; i < nmappings; i++) {
|
|
if (strcmp(p, mapping[i].name + 2) == 0) {
|
|
if (mapping[i].invert) {
|
|
if (clrp)
|
|
*clrp |= mapping[i].flag;
|
|
} else {
|
|
if (setp)
|
|
*setp |= mapping[i].flag;
|
|
}
|
|
break;
|
|
} else if (strcmp(p, mapping[i].name) == 0) {
|
|
if (mapping[i].invert) {
|
|
if (setp)
|
|
*setp |= mapping[i].flag;
|
|
} else {
|
|
if (clrp)
|
|
*clrp |= mapping[i].flag;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
if (i == nmappings)
|
|
return 1;
|
|
}
|
|
return 0;
|
|
}
|