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-rw-r--r-- | sbin/mount/vfslist.c | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/sbin/mount/vfslist.c b/sbin/mount/vfslist.c new file mode 100644 index 0000000..1a00a23 --- /dev/null +++ b/sbin/mount/vfslist.c @@ -0,0 +1,92 @@ +/* + * Copyright (c) 1995 + * 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. + */ + +#ifndef lint +static char sccsid[] = "@(#)vfslist.c 8.1 (Berkeley) 5/8/95"; +#endif /* not lint */ + +#include <stdlib.h> +#include <string.h> +#include <unistd.h> + +int checkvfsname __P((const char *, const char **)); +const char **makevfslist __P((char *)); +static int skipvfs; + +int +checkvfsname(vfsname, vfslist) + const char *vfsname; + const char **vfslist; +{ + + if (vfslist == NULL) + return (0); + while (*vfslist != NULL) { + if (strcmp(vfsname, *vfslist) == 0) + return (skipvfs); + ++vfslist; + } + return (!skipvfs); +} + +const char ** +makevfslist(fslist) + char *fslist; +{ + const char **av; + int i; + char *nextcp; + + if (fslist == NULL) + return (NULL); + if (fslist[0] == 'n' && fslist[1] == 'o') { + fslist += 2; + skipvfs = 1; + } + for (i = 0, nextcp = fslist; *nextcp; nextcp++) + if (*nextcp == ',') + i++; + if ((av = malloc((size_t)(i + 2) * sizeof(char *))) == NULL) { + warn(NULL); + return (NULL); + } + nextcp = fslist; + i = 0; + av[i++] = nextcp; + while ((nextcp = strchr(nextcp, ',')) != NULL) { + *nextcp++ = '\0'; + av[i++] = nextcp; + } + av[i++] = NULL; + return (av); +} |