diff options
Diffstat (limited to 'lib/libc/gen/fstab.c')
| -rw-r--r-- | lib/libc/gen/fstab.c | 227 |
1 files changed, 0 insertions, 227 deletions
diff --git a/lib/libc/gen/fstab.c b/lib/libc/gen/fstab.c deleted file mode 100644 index a526068..0000000 --- a/lib/libc/gen/fstab.c +++ /dev/null @@ -1,227 +0,0 @@ -/* - * Copyright (c) 1980, 1988, 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. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by the University of - * California, Berkeley and its contributors. - * 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[] = "@(#)fstab.c 8.1 (Berkeley) 6/4/93"; -#endif /* LIBC_SCCS and not lint */ - -#include <errno.h> -#include <fstab.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <unistd.h> - -static FILE *_fs_fp; -static struct fstab _fs_fstab; -static int LineNo = 0; - -static void error __P((int)); -static int fstabscan __P((void)); - -static int -fstabscan() -{ - char *cp, *p; -#define MAXLINELENGTH 1024 - static char line[MAXLINELENGTH]; - char subline[MAXLINELENGTH]; - int typexx; - - for (;;) { - - if (!(p = fgets(line, sizeof(line), _fs_fp))) - return(0); -/* OLD_STYLE_FSTAB */ - ++LineNo; - if (*line == '#' || *line == '\n') - continue; - if (!strpbrk(p, " \t")) { - _fs_fstab.fs_spec = strsep(&p, ":\n"); - _fs_fstab.fs_file = strsep(&p, ":\n"); - _fs_fstab.fs_type = strsep(&p, ":\n"); - if (_fs_fstab.fs_type) { - if (!strcmp(_fs_fstab.fs_type, FSTAB_XX)) - continue; - _fs_fstab.fs_mntops = _fs_fstab.fs_type; - _fs_fstab.fs_vfstype = - strcmp(_fs_fstab.fs_type, FSTAB_SW) ? - "ufs" : "swap"; - if ((cp = strsep(&p, ":\n")) != NULL) { - _fs_fstab.fs_freq = atoi(cp); - if ((cp = strsep(&p, ":\n")) != NULL) { - _fs_fstab.fs_passno = atoi(cp); - return(1); - } - } - } - goto bad; - } -/* OLD_STYLE_FSTAB */ - while ((cp = strsep(&p, " \t\n")) != NULL && *cp == '\0') - ; - _fs_fstab.fs_spec = cp; - if (!_fs_fstab.fs_spec || *_fs_fstab.fs_spec == '#') - continue; - while ((cp = strsep(&p, " \t\n")) != NULL && *cp == '\0') - ; - _fs_fstab.fs_file = cp; - while ((cp = strsep(&p, " \t\n")) != NULL && *cp == '\0') - ; - _fs_fstab.fs_vfstype = cp; - while ((cp = strsep(&p, " \t\n")) != NULL && *cp == '\0') - ; - _fs_fstab.fs_mntops = cp; - if (_fs_fstab.fs_mntops == NULL) - goto bad; - _fs_fstab.fs_freq = 0; - _fs_fstab.fs_passno = 0; - while ((cp = strsep(&p, " \t\n")) != NULL && *cp == '\0') - ; - if (cp != NULL) { - _fs_fstab.fs_freq = atoi(cp); - while ((cp = strsep(&p, " \t\n")) != NULL && *cp == '\0') - ; - if (cp != NULL) - _fs_fstab.fs_passno = atoi(cp); - } - strcpy(subline, _fs_fstab.fs_mntops); - p = subline; - for (typexx = 0, cp = strsep(&p, ","); cp; - cp = strsep(&p, ",")) { - if (strlen(cp) != 2) - continue; - if (!strcmp(cp, FSTAB_RW)) { - _fs_fstab.fs_type = FSTAB_RW; - break; - } - if (!strcmp(cp, FSTAB_RQ)) { - _fs_fstab.fs_type = FSTAB_RQ; - break; - } - if (!strcmp(cp, FSTAB_RO)) { - _fs_fstab.fs_type = FSTAB_RO; - break; - } - if (!strcmp(cp, FSTAB_SW)) { - _fs_fstab.fs_type = FSTAB_SW; - break; - } - if (!strcmp(cp, FSTAB_XX)) { - _fs_fstab.fs_type = FSTAB_XX; - typexx++; - break; - } - } - if (typexx) - continue; - if (cp != NULL) - return(1); - -bad: /* no way to distinguish between EOF and syntax error */ - error(EFTYPE); - } - /* NOTREACHED */ -} - -struct fstab * -getfsent() -{ - if ((!_fs_fp && !setfsent()) || !fstabscan()) - return((struct fstab *)NULL); - return(&_fs_fstab); -} - -struct fstab * -getfsspec(name) - register const char *name; -{ - if (setfsent()) - while (fstabscan()) - if (!strcmp(_fs_fstab.fs_spec, name)) - return(&_fs_fstab); - return((struct fstab *)NULL); -} - -struct fstab * -getfsfile(name) - register const char *name; -{ - if (setfsent()) - while (fstabscan()) - if (!strcmp(_fs_fstab.fs_file, name)) - return(&_fs_fstab); - return((struct fstab *)NULL); -} - -int -setfsent() -{ - if (_fs_fp) { - rewind(_fs_fp); - LineNo = 0; - return(1); - } - if ((_fs_fp = fopen(_PATH_FSTAB, "r")) != NULL) { - LineNo = 0; - return(1); - } - error(errno); - return(0); -} - -void -endfsent() -{ - if (_fs_fp) { - (void)fclose(_fs_fp); - _fs_fp = NULL; - } -} - -static void -error(err) - int err; -{ - char *p; - char num[30]; - - (void)write(STDERR_FILENO, "fstab: ", 7); - (void)write(STDERR_FILENO, _PATH_FSTAB, sizeof(_PATH_FSTAB) - 1); - (void)write(STDERR_FILENO, ":", 1); - sprintf(num, "%d: ", LineNo); - (void)write(STDERR_FILENO, num, strlen(num)); - p = strerror(err); - (void)write(STDERR_FILENO, p, strlen(p)); - (void)write(STDERR_FILENO, "\n", 1); -} |
