diff options
Diffstat (limited to 'usr/src/lib/libbc/libc/gen/common/mntent.c')
| -rw-r--r-- | usr/src/lib/libbc/libc/gen/common/mntent.c | 233 |
1 files changed, 0 insertions, 233 deletions
diff --git a/usr/src/lib/libbc/libc/gen/common/mntent.c b/usr/src/lib/libbc/libc/gen/common/mntent.c deleted file mode 100644 index 8a0b8ac375..0000000000 --- a/usr/src/lib/libbc/libc/gen/common/mntent.c +++ /dev/null @@ -1,233 +0,0 @@ -/* - * CDDL HEADER START - * - * The contents of this file are subject to the terms of the - * Common Development and Distribution License, Version 1.0 only - * (the "License"). You may not use this file except in compliance - * with the License. - * - * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE - * or http://www.opensolaris.org/os/licensing. - * See the License for the specific language governing permissions - * and limitations under the License. - * - * When distributing Covered Code, include this CDDL HEADER in each - * file and include the License file at usr/src/OPENSOLARIS.LICENSE. - * If applicable, add the following below this CDDL HEADER, with the - * fields enclosed by brackets "[]" replaced with your own identifying - * information: Portions Copyright [yyyy] [name of copyright owner] - * - * CDDL HEADER END - */ -/* - * Copyright 1990 Sun Microsystems, Inc. All rights reserved. - * Use is subject to license terms. - */ - -#pragma ident "%Z%%M% %I% %E% SMI" - -#include <stdio.h> -#include <ctype.h> -#include <mntent.h> -#include <sys/file.h> -#include <malloc.h> - -static int mntprtent(FILE *, struct mntent *); - -static struct mntent *mntp; - -struct mntent * -_mnt(void) -{ - - if (mntp == 0) - mntp = (struct mntent *)calloc(1, sizeof (struct mntent)); - return (mntp); -} - -static char * -mntstr(char **p) -{ - unsigned char *cp = (unsigned char *) *p; - unsigned char *retstr; - - while (*cp && isspace(*cp)) - cp++; - retstr = cp; - while (*cp && !isspace(*cp)) - cp++; - if (*cp) { - *cp = '\0'; - cp++; - } - *p = (char *) cp; - return ((char *)retstr); -} - -static int -mntdigit(char **p) -{ - int value = 0; - unsigned char *cp = (unsigned char *) *p; - - while (*cp && isspace(*cp)) - cp++; - for (; *cp && isdigit(*cp); cp++) { - value *= 10; - value += *cp - '0'; - } - while (*cp && !isspace(*cp)) - cp++; - if (*cp) { - *cp = '\0'; - cp++; - } - *p = (char *) cp; - return (value); -} - -static int -mnttabscan(FILE *mnttabp, struct mntent *mnt) -{ - static char *line = NULL; - char *cp; - - if (line == NULL) - line = (char *)malloc(BUFSIZ+1); - do { - cp = fgets(line, BUFSIZ, mnttabp); - if (cp == NULL) { - return (EOF); - } - } while (*cp == '#'); - mnt->mnt_fsname = mntstr(&cp); - if (*cp == '\0') - return (1); - mnt->mnt_dir = mntstr(&cp); - if (*cp == '\0') - return (2); - mnt->mnt_type = mntstr(&cp); - if (*cp == '\0') - return (3); - mnt->mnt_opts = mntstr(&cp); - if (*cp == '\0') - return (4); - mnt->mnt_freq = mntdigit(&cp); - if (*cp == '\0') - return (5); - mnt->mnt_passno = mntdigit(&cp); - return (6); -} - -FILE * -setmntent(char *fname, char *flag) -{ - FILE *mnttabp; - - if ((mnttabp = fopen(fname, flag)) == NULL) { - return (NULL); - } - for (; *flag ; flag++) { - if (*flag == 'w' || *flag == 'a' || *flag == '+') { - if (flock(fileno(mnttabp), LOCK_EX) < 0) { - fclose(mnttabp); - return (NULL); - } - break; - } - } - return (mnttabp); -} - -int -endmntent(FILE *mnttabp) -{ - - if (mnttabp) { - fclose(mnttabp); - } - return (1); -} - -struct mntent * -getmntent(FILE *mnttabp) -{ - int nfields; - - if (mnttabp == 0) - return ((struct mntent *)0); - if (_mnt() == 0) - return ((struct mntent *)0); - nfields = mnttabscan(mnttabp, mntp); - if (nfields == EOF || nfields != 6) - return ((struct mntent *)0); - return (mntp); -} - -int -addmntent(FILE *mnttabp, struct mntent *mnt) -{ - if (fseek(mnttabp, 0L, 2) < 0) - return (1); - if (mnt == (struct mntent *)0) - return (1); - if (mnt->mnt_fsname == NULL || mnt->mnt_dir == NULL || - mnt->mnt_type == NULL || mnt->mnt_opts == NULL) - return (1); - - mntprtent(mnttabp, mnt); - return (0); -} - -static char * -mntopt(char **p) -{ - unsigned char *cp = (unsigned char *) *p; - unsigned char *retstr; - - while (*cp && isspace(*cp)) - cp++; - retstr = cp; - while (*cp && *cp != ',') - cp++; - if (*cp) { - *cp = '\0'; - cp++; - } - *p = (char *) cp; - return ((char *)retstr); -} - -char * -hasmntopt(struct mntent *mnt, char *opt) -{ - char *f, *opts; - static char *tmpopts; - - if (tmpopts == 0) { - tmpopts = (char *)calloc(256, sizeof (char)); - if (tmpopts == 0) - return (0); - } - strcpy(tmpopts, mnt->mnt_opts); - opts = tmpopts; - f = mntopt(&opts); - for (; *f; f = mntopt(&opts)) { - if (strncmp(opt, f, strlen(opt)) == 0) - return (f - tmpopts + mnt->mnt_opts); - } - return (NULL); -} - -static int -mntprtent(FILE *mnttabp, struct mntent *mnt) -{ - fprintf(mnttabp, "%s %s %s %s %d %d\n", - mnt->mnt_fsname, - mnt->mnt_dir, - mnt->mnt_type, - mnt->mnt_opts, - mnt->mnt_freq, - mnt->mnt_passno); - return (0); -} |