/*
* irel_ma.c
- *
+ *
* Copyright (C) 1996, 1997 Theodore Ts'o.
*
* %Begin-Header%
- * This file may be redistributed under the terms of the GNU Public
- * License.
+ * This file may be redistributed under the terms of the GNU Library
+ * General Public License, version 2.
* %End-Header%
*/
+#include "config.h"
#include <fcntl.h>
#include <stdio.h>
-#include <stdlib.h>
#include <string.h>
+#if HAVE_UNISTD_H
#include <unistd.h>
+#endif
+#if HAVE_ERRNO_H
#include <errno.h>
+#endif
-#include <linux/ext2_fs.h>
-
+#include "ext2_fs.h"
#include "ext2fs.h"
#include "irel.h"
-static errcode_t ima_put(ext2_irel irel, ino_t old,
+static errcode_t ima_put(ext2_irel irel, ext2_ino_t old,
struct ext2_inode_relocate_entry *ent);
-static errcode_t ima_get(ext2_irel irel, ino_t old,
+static errcode_t ima_get(ext2_irel irel, ext2_ino_t old,
struct ext2_inode_relocate_entry *ent);
-static errcode_t ima_get_by_orig(ext2_irel irel, ino_t orig, ino_t *old,
+static errcode_t ima_get_by_orig(ext2_irel irel, ext2_ino_t orig, ext2_ino_t *old,
struct ext2_inode_relocate_entry *ent);
static errcode_t ima_start_iter(ext2_irel irel);
-static errcode_t ima_next(ext2_irel irel, ino_t *old,
+static errcode_t ima_next(ext2_irel irel, ext2_ino_t *old,
struct ext2_inode_relocate_entry *ent);
-static errcode_t ima_add_ref(ext2_irel irel, ino_t ino,
+static errcode_t ima_add_ref(ext2_irel irel, ext2_ino_t ino,
struct ext2_inode_reference *ref);
-static errcode_t ima_start_iter_ref(ext2_irel irel, ino_t ino);
+static errcode_t ima_start_iter_ref(ext2_irel irel, ext2_ino_t ino);
static errcode_t ima_next_ref(ext2_irel irel, struct ext2_inode_reference *ref);
-static errcode_t ima_move(ext2_irel irel, ino_t old, ino_t new);
-static errcode_t ima_delete(ext2_irel irel, ino_t old);
+static errcode_t ima_move(ext2_irel irel, ext2_ino_t old, ext2_ino_t new);
+static errcode_t ima_delete(ext2_irel irel, ext2_ino_t old);
static errcode_t ima_free(ext2_irel irel);
/*
struct irel_ma {
__u32 magic;
- ino_t max_inode;
- ino_t ref_current;
+ ext2_ino_t max_inode;
+ ext2_ino_t ref_current;
int ref_iter;
- ino_t *orig_map;
+ ext2_ino_t *orig_map;
struct ext2_inode_relocate_entry *entries;
struct inode_reference_entry *ref_entries;
};
-errcode_t ext2fs_irel_memarray_create(char *name, ino_t max_inode,
+errcode_t ext2fs_irel_memarray_create(char *name, ext2_ino_t max_inode,
ext2_irel *new_irel)
{
ext2_irel irel = 0;
/*
* Allocate memory structures
*/
- retval = ENOMEM;
- irel = malloc(sizeof(struct ext2_inode_relocation_table));
- if (!irel)
+ retval = ext2fs_get_mem(sizeof(struct ext2_inode_relocation_table),
+ &irel);
+ if (retval)
goto errout;
memset(irel, 0, sizeof(struct ext2_inode_relocation_table));
-
- irel->name = malloc(strlen(name)+1);
- if (!irel->name)
+
+ retval = ext2fs_get_mem(strlen(name)+1, &irel->name);
+ if (retval)
goto errout;
strcpy(irel->name, name);
-
- ma = malloc(sizeof(struct irel_ma));
- if (!ma)
+
+ retval = ext2fs_get_mem(sizeof(struct irel_ma), &ma);
+ if (retval)
goto errout;
memset(ma, 0, sizeof(struct irel_ma));
- irel->private = ma;
-
- size = sizeof(ino_t) * (max_inode+1);
- ma->orig_map = malloc(size);
- if (!ma->orig_map)
+ irel->priv_data = ma;
+
+ size = (size_t) (sizeof(ext2_ino_t) * (max_inode+1));
+ retval = ext2fs_get_array(max_inode+1, sizeof(ext2_ino_t),
+ &ma->orig_map);
+ if (retval)
goto errout;
memset(ma->orig_map, 0, size);
- size = sizeof(struct ext2_inode_relocate_entry) * (max_inode+1);
- ma->entries = malloc(size);
- if (!ma->entries)
+ size = (size_t) (sizeof(struct ext2_inode_relocate_entry) *
+ (max_inode+1));
+ retval = ext2fs_get_array((max_inode+1,
+ sizeof(struct ext2_inode_relocate_entry), &ma->entries);
+ if (retval)
goto errout;
memset(ma->entries, 0, size);
- size = sizeof(struct inode_reference_entry) * (max_inode+1);
- ma->ref_entries = malloc(size);
- if (!ma->ref_entries)
+ size = (size_t) (sizeof(struct inode_reference_entry) *
+ (max_inode+1));
+ retval = ext2fs_get_mem(max_inode+1,
+ sizeof(struct inode_reference_entry), &ma->ref_entries);
+ if (retval)
goto errout;
memset(ma->ref_entries, 0, size);
ma->max_inode = max_inode;
irel->move = ima_move;
irel->delete = ima_delete;
irel->free = ima_free;
-
+
*new_irel = irel;
return 0;
return retval;
}
-static errcode_t ima_put(ext2_irel irel, ino_t old,
+static errcode_t ima_put(ext2_irel irel, ext2_ino_t old,
struct ext2_inode_relocate_entry *ent)
{
- struct irel_ma *ma;
- struct inode_reference_entry *ref_ent;
- struct ext2_inode_reference *new_refs;
- int size;
+ struct inode_reference_entry *ref_ent;
+ struct irel_ma *ma;
+ errcode_t retval;
+ size_t size, old_size;
- ma = irel->private;
+ ma = irel->priv_data;
if (old > ma->max_inode)
- return EINVAL;
+ return EXT2_ET_INVALID_ARGUMENT;
/*
* Force the orig field to the correct value; the application
* program shouldn't be messing with this field.
*/
- if (ma->entries[old].new == 0)
+ if (ma->entries[(unsigned) old].new == 0)
ent->orig = old;
else
- ent->orig = ma->entries[old].orig;
-
+ ent->orig = ma->entries[(unsigned) old].orig;
+
/*
* If max_refs has changed, reallocate the refs array
*/
- ref_ent = ma->ref_entries + old;
- if (ref_ent->refs && ent->max_refs != ma->entries[old].max_refs) {
+ ref_ent = ma->ref_entries + (unsigned) old;
+ if (ref_ent->refs && ent->max_refs !=
+ ma->entries[(unsigned) old].max_refs) {
size = (sizeof(struct ext2_inode_reference) * ent->max_refs);
- new_refs = realloc(ref_ent->refs, size);
- if (!new_refs)
- return ENOMEM;
- ref_ent->refs = new_refs;
+ old_size = (sizeof(struct ext2_inode_reference) *
+ ma->entries[(unsigned) old].max_refs);
+ retval = ext2fs_resize_mem(old_size, size, &ref_ent->refs);
+ if (retval)
+ return retval;
}
- ma->entries[old] = *ent;
- ma->orig_map[ent->orig] = old;
+ ma->entries[(unsigned) old] = *ent;
+ ma->orig_map[(unsigned) ent->orig] = old;
return 0;
}
-static errcode_t ima_get(ext2_irel irel, ino_t old,
+static errcode_t ima_get(ext2_irel irel, ext2_ino_t old,
struct ext2_inode_relocate_entry *ent)
{
struct irel_ma *ma;
- ma = irel->private;
+ ma = irel->priv_data;
if (old > ma->max_inode)
- return EINVAL;
- if (ma->entries[old].new == 0)
+ return EXT2_ET_INVALID_ARGUMENT;
+ if (ma->entries[(unsigned) old].new == 0)
return ENOENT;
- *ent = ma->entries[old];
+ *ent = ma->entries[(unsigned) old];
return 0;
}
-static errcode_t ima_get_by_orig(ext2_irel irel, ino_t orig, ino_t *old,
+static errcode_t ima_get_by_orig(ext2_irel irel, ext2_ino_t orig, ext2_ino_t *old,
struct ext2_inode_relocate_entry *ent)
{
struct irel_ma *ma;
- ino_t ino;
+ ext2_ino_t ino;
- ma = irel->private;
+ ma = irel->priv_data;
if (orig > ma->max_inode)
- return EINVAL;
- ino = ma->orig_map[orig];
+ return EXT2_ET_INVALID_ARGUMENT;
+ ino = ma->orig_map[(unsigned) orig];
if (ino == 0)
return ENOENT;
*old = ino;
- *ent = ma->entries[ino];
+ *ent = ma->entries[(unsigned) ino];
return 0;
}
return 0;
}
-static errcode_t ima_next(ext2_irel irel, ino_t *old,
+static errcode_t ima_next(ext2_irel irel, ext2_ino_t *old,
struct ext2_inode_relocate_entry *ent)
{
struct irel_ma *ma;
- ma = irel->private;
+ ma = irel->priv_data;
while (++irel->current < ma->max_inode) {
- if (ma->entries[irel->current].new == 0)
+ if (ma->entries[(unsigned) irel->current].new == 0)
continue;
*old = irel->current;
- *ent = ma->entries[irel->current];
+ *ent = ma->entries[(unsigned) irel->current];
return 0;
}
*old = 0;
return 0;
}
-static errcode_t ima_add_ref(ext2_irel irel, ino_t ino,
+static errcode_t ima_add_ref(ext2_irel irel, ext2_ino_t ino,
struct ext2_inode_reference *ref)
{
struct irel_ma *ma;
size_t size;
struct inode_reference_entry *ref_ent;
struct ext2_inode_relocate_entry *ent;
+ errcode_t retval;
- ma = irel->private;
+ ma = irel->priv_data;
if (ino > ma->max_inode)
- return EINVAL;
+ return EXT2_ET_INVALID_ARGUMENT;
+
+ ref_ent = ma->ref_entries + (unsigned) ino;
+ ent = ma->entries + (unsigned) ino;
- ref_ent = ma->ref_entries + ino;
- ent = ma->entries + ino;
-
/*
* If the inode reference array doesn't exist, create it.
*/
if (ref_ent->refs == 0) {
- size = (sizeof(struct ext2_inode_reference) * ent->max_refs);
- ref_ent->refs = malloc(size);
- if (ref_ent->refs == 0)
- return ENOMEM;
+ size = (size_t) ((sizeof(struct ext2_inode_reference) *
+ ent->max_refs));
+ retval = ext2fs_get_array(ent->max_refs,
+ sizeof(struct ext2_inode_reference), &ref_ent->refs);
+ if (retval)
+ return retval;
memset(ref_ent->refs, 0, size);
ref_ent->num = 0;
}
if (ref_ent->num >= ent->max_refs)
- return ENOSPC;
+ return EXT2_ET_TOO_MANY_REFS;
- ref_ent->refs[ref_ent->num++] = *ref;
+ ref_ent->refs[(unsigned) ref_ent->num++] = *ref;
return 0;
}
-static errcode_t ima_start_iter_ref(ext2_irel irel, ino_t ino)
+static errcode_t ima_start_iter_ref(ext2_irel irel, ext2_ino_t ino)
{
struct irel_ma *ma;
- ma = irel->private;
+ ma = irel->priv_data;
if (ino > ma->max_inode)
- return EINVAL;
- if (ma->entries[ino].new == 0)
+ return EXT2_ET_INVALID_ARGUMENT;
+ if (ma->entries[(unsigned) ino].new == 0)
return ENOENT;
ma->ref_current = ino;
ma->ref_iter = 0;
struct irel_ma *ma;
struct inode_reference_entry *ref_ent;
- ma = irel->private;
-
+ ma = irel->priv_data;
+
ref_ent = ma->ref_entries + ma->ref_current;
if ((ref_ent->refs == NULL) ||
}
-static errcode_t ima_move(ext2_irel irel, ino_t old, ino_t new)
+static errcode_t ima_move(ext2_irel irel, ext2_ino_t old, ext2_ino_t new)
{
struct irel_ma *ma;
- ma = irel->private;
+ ma = irel->priv_data;
if ((old > ma->max_inode) || (new > ma->max_inode))
- return EINVAL;
- if (ma->entries[old].new == 0)
+ return EXT2_ET_INVALID_ARGUMENT;
+ if (ma->entries[(unsigned) old].new == 0)
return ENOENT;
-
- ma->entries[new] = ma->entries[old];
- if (ma->ref_entries[new].refs)
- free(ma->ref_entries[new].refs);
- ma->ref_entries[new] = ma->ref_entries[old];
-
- ma->entries[old].new = 0;
- ma->ref_entries[old].num = 0;
- ma->ref_entries[old].refs = 0;
+
+ ma->entries[(unsigned) new] = ma->entries[(unsigned) old];
+ if (ma->ref_entries[(unsigned) new].refs)
+ ext2fs_free_mem(&ma->ref_entries[(unsigned) new].refs);
+ ma->ref_entries[(unsigned) new] = ma->ref_entries[(unsigned) old];
+
+ ma->entries[(unsigned) old].new = 0;
+ ma->ref_entries[(unsigned) old].num = 0;
+ ma->ref_entries[(unsigned) old].refs = 0;
ma->orig_map[ma->entries[new].orig] = new;
return 0;
}
-static errcode_t ima_delete(ext2_irel irel, ino_t old)
+static errcode_t ima_delete(ext2_irel irel, ext2_ino_t old)
{
struct irel_ma *ma;
- ma = irel->private;
+ ma = irel->priv_data;
if (old > ma->max_inode)
- return EINVAL;
- if (ma->entries[old].new == 0)
+ return EXT2_ET_INVALID_ARGUMENT;
+ if (ma->entries[(unsigned) old].new == 0)
return ENOENT;
-
+
ma->entries[old].new = 0;
- if (ma->ref_entries[old].refs)
- free(ma->ref_entries[old].refs);
- ma->orig_map[ma->entries[old].orig] = 0;
-
- ma->ref_entries[old].num = 0;
- ma->ref_entries[old].refs = 0;
+ if (ma->ref_entries[(unsigned) old].refs)
+ ext2fs_free_mem(&ma->ref_entries[(unsigned) old].refs);
+ ma->orig_map[ma->entries[(unsigned) old].orig] = 0;
+
+ ma->ref_entries[(unsigned) old].num = 0;
+ ma->ref_entries[(unsigned) old].refs = 0;
return 0;
}
static errcode_t ima_free(ext2_irel irel)
{
struct irel_ma *ma;
- ino_t ino;
+ ext2_ino_t ino;
if (!irel)
return 0;
- ma = irel->private;
+ ma = irel->priv_data;
if (ma) {
if (ma->orig_map)
- free (ma->orig_map);
+ ext2fs_free_mem(&ma->orig_map);
if (ma->entries)
- free (ma->entries);
+ ext2fs_free_mem(&ma->entries);
if (ma->ref_entries) {
for (ino = 0; ino <= ma->max_inode; ino++) {
- if (ma->ref_entries[ino].refs)
- free(ma->ref_entries[ino].refs);
+ if (ma->ref_entries[(unsigned) ino].refs)
+ ext2fs_free_mem(&ma->ref_entries[(unsigned) ino].refs);
}
- free(ma->ref_entries);
+ ext2fs_free_mem(&ma->ref_entries);
}
- free(ma);
+ ext2fs_free_mem(&ma);
}
if (irel->name)
- free(irel->name);
- free (irel);
+ ext2fs_free_mem(&irel->name);
+ ext2fs_free_mem(&irel);
return 0;
}
git://git.whamcloud.com / tools / e2fsprogs.git / blobdiff