Files
finit/src/helpers.h
T
Joachim Wiberg d331b72dfd Relocate ismnt() and fismnt() to util.c, for sharing with initctl
initctl cannot link with helpers.c, so let's relocate these helper
functions to util.c instead.  Need them to probe for cgroup support.

Signed-off-by: Joachim Wiberg <troglobit@gmail.com>
2022-01-10 20:26:37 +01:00

141 lines
4.2 KiB
C

/* Misc. utility functions and C-library extensions for finit and its plugins
*
* Copyright (c) 2008-2010 Claudio Matsuoka <cmatsuoka@gmail.com>
* Copyright (c) 2008-2021 Joachim Wiberg <troglobit@gmail.com>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#ifndef FINIT_HELPERS_H_
#define FINIT_HELPERS_H_
#include <mntent.h>
#include <sched.h> /* sched_yield() */
#include <stdarg.h>
#include <sys/resource.h>
#include <sys/types.h>
#include <sys/ttydefaults.h> /* Not included by default in musl libc */
#include <termios.h>
#ifdef _LIBITE_LITE
# include <libite/lite.h>
#else
# include <lite/lite.h>
#endif
#include "log.h"
#define PROGRESS_DEFAULT PROGRESS_MODERN
typedef enum {
PROGRESS_SILENT,
PROGRESS_CLASSIC,
PROGRESS_MODERN,
} pstyle_t;
#ifndef HAVE_GETFSENT
struct fstab {
char *fs_spec; /* block device name */
char *fs_file; /* mount point */
char *fs_vfstype; /* file-system type */
char *fs_mntops; /* mount options */
const char *fs_type; /* rw/rq/ro/sw/xx option */
int fs_freq; /* dump frequency, in days */
int fs_passno; /* pass number on parallel dump */
};
int setfsent (void);
void endfsent (void);
struct fstab *getfsent (void);
#endif /* HAVE_GETFSENT */
char *console (void);
void console_init (void);
ssize_t cprintf (const char *fmt, ...);
char *strip_line (char *line);
void enable_progress (int onoff);
void show_progress (pstyle_t style);
char *release_heading (void);
speed_t stty_parse_speed(char *baud);
void stty (int fd, speed_t speed);
void print_banner (const char *heading);
void printv (const char *fmt, va_list ap);
void print (int action, const char *fmt, ...);
void print_desc (char *action, char *desc);
int print_result (int fail);
int getuser (char *username, char **home);
int getgroup (char *group);
int getcuser (char *buf, size_t len);
int getcgroup (char *buf, size_t len);
int mksubsys (const char *dir, mode_t mode, char *user, char *group);
void set_hostname (char **hostname);
void networking (int updown);
int complete (char *cmd, int pid);
int run (char *cmd);
int run_interactive (char *cmd, char *fmt, ...);
int exec_runtask (char *cmd, char *args[]);
pid_t run_getty (char *tty, char *cmd, char *args[], int noclear, int nowait, struct rlimit rlimit[]);
pid_t run_sh (char *tty, int noclear, int nowait, struct rlimit rlimit[]);
int run_parts (char *dir, char *cmd);
static inline int create(char *path, mode_t mode, uid_t uid, gid_t gid)
{
if (touch(path) || chmod(path, mode) || chown(path, uid, gid)) {
_w("Failed creating %s properly.", path);
return -1;
}
return 0;
}
static inline int dprint(int fd, const char *s, size_t len)
{
size_t loop = 3;
int rc = -1;
if (!len)
len = strlen(s);
while (loop--) {
rc = write(fd, s, len);
if (rc == -1 && errno == EINTR)
continue;
break;
}
return rc;
}
#endif /* FINIT_HELPERS_H_ */
/**
* Local Variables:
* indent-tabs-mode: t
* c-file-style: "linux"
* End:
*/