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// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (c) 2024 Oracle. All Rights Reserved.
* Author: Darrick J. Wong <djwong@kernel.org>
*/
#include <string.h>
#include "xfs.h"
#include "libfrog/fsgeom.h"
#include "libfrog/fsproperties.h"
#include "list.h"
/* Return the offset of a string in a string table, or -1 if not found. */
static inline int
__fsprops_lookup(
const char *values[],
unsigned int nr_values,
const char *value)
{
unsigned int i;
for (i = 0; i < nr_values; i++) {
if (values[i] && !strcmp(value, values[i]))
return i;
}
return -1;
}
#define fsprops_lookup(values, value) \
__fsprops_lookup((values), ARRAY_SIZE(values), (value))
/* Automatic background fsck fs property */
static const char *fsprop_autofsck_values[] = {
[FSPROP_AUTOFSCK_UNSET] = NULL,
[FSPROP_AUTOFSCK_NONE] = "none",
[FSPROP_AUTOFSCK_CHECK] = "check",
[FSPROP_AUTOFSCK_OPTIMIZE] = "optimize",
[FSPROP_AUTOFSCK_REPAIR] = "repair",
};
/* Convert the autofsck property enum to a string. */
const char *
fsprop_autofsck_write(
enum fsprop_autofsck x)
{
if (x <= FSPROP_AUTOFSCK_UNSET ||
x >= ARRAY_SIZE(fsprop_autofsck_values))
return NULL;
return fsprop_autofsck_values[x];
}
/*
* Turn a autofsck value string into an enumerated value, or _UNSET if it's
* not recognized.
*/
enum fsprop_autofsck
fsprop_autofsck_read(
const char *value)
{
int ret = fsprops_lookup(fsprop_autofsck_values, value);
if (ret < 0)
return FSPROP_AUTOFSCK_UNSET;
return ret;
}
/* Return true if a fs property name=value tuple is allowed. */
bool
fsprop_validate(
const char *name,
const char *value)
{
if (!strcmp(name, FSPROP_AUTOFSCK_NAME))
return fsprops_lookup(fsprop_autofsck_values, value) >= 0;
return true;
}
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