aboutsummaryrefslogtreecommitdiff
path: root/e2fsprogs/old_e2fsprogs/e2p/mntopts.c
diff options
context:
space:
mode:
Diffstat (limited to 'e2fsprogs/old_e2fsprogs/e2p/mntopts.c')
-rw-r--r--e2fsprogs/old_e2fsprogs/e2p/mntopts.c134
1 files changed, 0 insertions, 134 deletions
diff --git a/e2fsprogs/old_e2fsprogs/e2p/mntopts.c b/e2fsprogs/old_e2fsprogs/e2p/mntopts.c
deleted file mode 100644
index 17c26c480..000000000
--- a/e2fsprogs/old_e2fsprogs/e2p/mntopts.c
+++ /dev/null
@@ -1,134 +0,0 @@
-/* vi: set sw=4 ts=4: */
-/*
- * mountopts.c --- convert between default mount options and strings
- *
- * Copyright (C) 2002 Theodore Ts'o <tytso@mit.edu>
- *
- * This file can be redistributed under the terms of the GNU Library General
- * Public License
- *
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <ctype.h>
-#include <errno.h>
-
-#include "e2p.h"
-
-struct mntopt {
- unsigned int mask;
- const char *string;
-};
-
-static const struct mntopt mntopt_list[] = {
- { EXT2_DEFM_DEBUG, "debug" },
- { EXT2_DEFM_BSDGROUPS, "bsdgroups" },
- { EXT2_DEFM_XATTR_USER, "user_xattr" },
- { EXT2_DEFM_ACL, "acl" },
- { EXT2_DEFM_UID16, "uid16" },
- { EXT3_DEFM_JMODE_DATA, "journal_data" },
- { EXT3_DEFM_JMODE_ORDERED, "journal_data_ordered" },
- { EXT3_DEFM_JMODE_WBACK, "journal_data_writeback" },
- { 0, 0 },
-};
-
-const char *e2p_mntopt2string(unsigned int mask)
-{
- const struct mntopt *f;
- static char buf[20];
- int fnum;
-
- for (f = mntopt_list; f->string; f++) {
- if (mask == f->mask)
- return f->string;
- }
- for (fnum = 0; mask >>= 1; fnum++);
- sprintf(buf, "MNTOPT_%d", fnum);
- return buf;
-}
-
-int e2p_string2mntopt(char *string, unsigned int *mask)
-{
- const struct mntopt *f;
- char *eptr;
- int num;
-
- for (f = mntopt_list; f->string; f++) {
- if (!strcasecmp(string, f->string)) {
- *mask = f->mask;
- return 0;
- }
- }
- if (strncasecmp(string, "MNTOPT_", 8))
- return 1;
-
- if (string[8] == 0)
- return 1;
- num = strtol(string+8, &eptr, 10);
- if (num > 32 || num < 0)
- return 1;
- if (*eptr)
- return 1;
- *mask = 1 << num;
- return 0;
-}
-
-static char *skip_over_blanks(char *cp)
-{
- while (*cp && isspace(*cp))
- cp++;
- return cp;
-}
-
-static char *skip_over_word(char *cp)
-{
- while (*cp && !isspace(*cp) && *cp != ',')
- cp++;
- return cp;
-}
-
-/*
- * Edit a mntopt set array as requested by the user. The ok
- * parameter, if non-zero, allows the application to limit what
- * mntopts the user is allowed to set or clear using this function.
- */
-int e2p_edit_mntopts(const char *str, __u32 *mntopts, __u32 ok)
-{
- char *cp, *buf, *next;
- int neg;
- unsigned int mask;
-
- buf = xstrdup(str);
- cp = buf;
- while (cp && *cp) {
- neg = 0;
- cp = skip_over_blanks(cp);
- next = skip_over_word(cp);
- if (*next == 0)
- next = 0;
- else
- *next = 0;
- switch (*cp) {
- case '-':
- case '^':
- neg++;
- case '+':
- cp++;
- break;
- }
- if (e2p_string2mntopt(cp, &mask))
- return 1;
- if (ok && !(ok & mask))
- return 1;
- if (mask & EXT3_DEFM_JMODE)
- *mntopts &= ~EXT3_DEFM_JMODE;
- if (neg)
- *mntopts &= ~mask;
- else
- *mntopts |= mask;
- cp = next ? next+1 : 0;
- }
- return 0;
-}