Files
finit/src/util.h
T
Joachim Wiberg 94c0d1b833 Refactor built-in getty into a standalone getty in /libexec
This patch moves the built-in getty out of Finit into /libexec/finit/,
reducing the size of the Finit binary and simplifying the code.

Signed-off-by: Joachim Wiberg <troglobit@gmail.com>
2021-05-30 11:26:41 +02:00

115 lines
3.0 KiB
C

/* Misc. shared utility functions for initctl, reboot and finit
*
* Copyright (c) 2016-2021 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_UTIL_H_
#define FINIT_UTIL_H_
#include "config.h"
#ifdef HAVE_TERMIOS_H
#include <poll.h>
#include <stdio.h>
#include <stdarg.h>
#include <sys/reboot.h>
#include <termios.h>
#endif
#include <lite/lite.h>
#ifndef RB_SW_SUSPEND /* Since Linux 2.5.18, but not in GLIBC until 2.19 */
#define RB_SW_SUSPEND 0xd000fce2
#endif
extern int debug; /* defined in finit or initctl */
extern int ttrows;
extern int ttcols;
extern char *prognm;
/* Define for printheader() from conio.h, used in initctl */
#define SCREEN_WIDTH ttcols
#include <lite/conio.h>
char *progname (char *arg0);
char *str (char *fmt, ...);
int fnread (char *buf, size_t len, char *fmt, ...);
int fnwrite (char *value, char *fmt, ...);
int fngetint (char *path, int *val);
int strtobytes (char *arg);
char *sig2str (int sig);
char *code2str (int code);
void do_sleep (unsigned int sec);
long jiffies (void);
char *uptime (long secs, char *buf, size_t len);
char *memsz (uint64_t sz, char *buf, size_t len);
char *sanitize (char *arg, size_t len);
#ifdef HAVE_TERMIOS_H
int ttinit (void);
int ttraw (void);
int ttcooked (void);
#else
#define ttinit() ttcols
#define ttraw() 0
#define ttcooked() 0
#endif
static inline void dbg(char *fmt, ...)
{
va_list ap;
if (!debug)
return;
va_start(ap, fmt);
vfprintf(stderr, fmt, ap);
va_end(ap);
}
static inline char *strterm(char *str, size_t len)
{
str[len - 1] = 0;
return str;
}
/* paste dir/file into buf */
static inline int paste(char *buf, size_t len, const char *dir, const char *file)
{
if (!dir)
dir = "";
if (!file)
file = "";
return snprintf(buf, len, "%s%s%s", dir, fisslashdir(dir) ? "" : "/", file);
}
#endif /* FINIT_UTIL_H_ */
/**
* Local Variables:
* indent-tabs-mode: t
* c-file-style: "linux"
* End:
*/