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/*
On-disk storage of crash dumps
Copyright (C) 2009 Zdenek Prikryl (zprikryl@redhat.com)
Copyright (C) 2009 RedHat inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef DUMP_DIR_H_
#define DUMP_DIR_H_
/* For DIR */
#include <sys/types.h>
#include <dirent.h>
#ifdef __cplusplus
extern "C" {
#endif
enum {
DD_FAIL_QUIETLY = (1 << 0),
DD_OPEN_READONLY = (1 << 1),
};
struct dump_dir {
char *dd_dir;
DIR *next_dir;
int locked;
uid_t dd_uid;
gid_t dd_gid;
};
void dd_close(struct dump_dir *dd);
struct dump_dir *dd_opendir(const char *dir, int flags);
/* Pass uid = (uid_t)-1L to disable chown'ing of newly created files
* (IOW: if you aren't running under root):
*/
struct dump_dir *dd_create(const char *dir, uid_t uid);
void dd_create_basic_files(struct dump_dir *dd, uid_t uid);
int dd_exist(struct dump_dir *dd, const char *path);
DIR *dd_init_next_file(struct dump_dir *dd);
int dd_get_next_file(struct dump_dir *dd, char **short_name, char **full_name);
enum {
/* DD_FAIL_QUIETLY bit is valid for dd_load_text_ext too, */
DD_LOAD_TEXT_RETURN_NULL_ON_FAILURE = (1 << 2),
};
char* dd_load_text_ext(const struct dump_dir *dd, const char *name, unsigned flags);
char* dd_load_text(const struct dump_dir *dd, const char *name);
void dd_save_text(struct dump_dir *dd, const char *name, const char *data);
void dd_save_binary(struct dump_dir *dd, const char *name, const char *data, unsigned size);
/* Returns 0 if directory is deleted or not found */
int dd_delete(struct dump_dir *dd);
void delete_dump_dir(const char *dd_dir);
#ifdef __cplusplus
}
#endif
#endif
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