mirror of
https://github.com/troglobit/finit.git
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121 lines
4.8 KiB
C
121 lines
4.8 KiB
C
/* Misc. utility functions and C-library extensions for finit and its plugins
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*
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* Copyright (c) 2008-2010 Claudio Matsuoka <cmatsuoka@gmail.com>
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* Copyright (c) 2008-2014 Joachim Nilsson <troglobit@gmail.com>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#ifndef FINIT_HELPERS_H_
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#define FINIT_HELPERS_H_
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#include <stdio.h>
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#include <syslog.h>
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#define DO_LOG(level, fmt, args...) \
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{ \
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openlog("finit", LOG_CONS | LOG_PID, LOG_DAEMON); \
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syslog(level, fmt, ##args); \
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closelog(); \
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}
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#define FLOG_DEBUG(fmt, args...) DO_LOG(LOG_DEBUG, fmt, ##args)
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#define FLOG_WARN(fmt, args...) DO_LOG(LOG_WARNING, fmt, ##args)
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#define FLOG_ERROR(fmt, args...) DO_LOG(LOG_CRIT, fmt, ##args)
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#define FLOG_PERROR(fmt, args...) DO_LOG(LOG_CRIT, fmt ". Error %d: %s", ##args, errno, strerror(errno))
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#ifndef touch
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# define touch(x) mknod((x), S_IFREG|0644, 0)
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#endif
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#ifndef chardev
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# define chardev(x,m,maj,min) mknod((x), S_IFCHR|(m), makedev((maj),(min)))
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#endif
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#ifndef blkdev
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# define blkdev(x,m,maj,min) mknod((x), S_IFBLK|(m), makedev((maj),(min)))
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#endif
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#ifndef S_ISEXEC
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# define S_ISEXEC(m) (((m) & S_IXUSR) == S_IXUSR)
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#endif
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#ifndef UNUSED
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#define UNUSED(x) UNUSED_ ## x __attribute__ ((unused))
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#endif
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/* Esc[2JEsc[1;1H Clear screen and move cursor to 1,1 (upper left) pos. */
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#define clrscr() fputs("\e[2J\e[1;1H", stderr)
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/* Esc[K Erases from the current cursor position to the end of the current line. */
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#define clreol() fputs("\e[K", stderr)
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/* Esc[2K Erases the entire current line. */
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#define delline() fputs("\e[2K", stderr)
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/* Esc[Line;ColumnH Moves the cursor to the specified position (coordinates) */
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#define gotoxy(x,y) fprintf(stderr, "\e[%d;%dH", y, x)
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/* Esc[?25l (lower case L) Hide Cursor */
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#define hidecursor() fputs("\e[?25l", stderr)
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/* Esc[?25h (lower case H) Show Cursor */
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#define showcursor() fputs("\e[?25h", stderr)
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#define echo(fmt, args...) do { fprintf(stderr, fmt "\n", ##args); } while (0)
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#define _d(fmt, args...) do { if (debug) { fprintf(stderr, "finit:%s:%s() - " fmt "\n", __FILE__, __func__, ##args); } } while (0)
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#define _e(fmt, args...) do { fprintf(stderr, "finit:%s:%s() - " fmt "\n", __FILE__, __func__, ##args); } while (0)
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#define _pe(fmt, args...) do { fprintf(stderr, "finit:%s:%s() - " fmt ". Error %d: %s\n", __FILE__, __func__, ##args, errno, strerror(errno)); } while (0)
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#define ISSET(a,i) ((a & (1 << (i)) ? 1 : 0))
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#define SETBIT(a,i) (a |= (1 << (i)))
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#define CLRBIT(a,i) (a &= ~(1 << (i)))
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extern int debug;
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extern int verbose;
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int makepath (char *path);
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void ifconfig (char *ifname, char *addr, char *mask, int up);
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pid_t pidfile_read (char *pidfile);
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pid_t pidfile_poll (char *cmd, char *path);
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int pid_alive (pid_t pid);
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char *pid_get_name (pid_t pid, char *name, size_t len);
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void procname_set (char *name, char *args[]);
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int procname_kill (char *name, int signo);
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void print (int action, const char *fmt, ...);
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void print_desc (char *action, char *desc);
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int print_result (int fail);
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int start_process (char *cmd, char *args[], int console);
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void chomp (char *str);
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void do_sleep (unsigned int sec);
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int getuser (char *username);
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int getgroup (char *group);
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void set_hostname (char *hostname);
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int complete (char *cmd, int pid);
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int run (char *cmd);
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int run_interactive (char *cmd, char *fmt, ...);
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pid_t run_getty (char *cmd, char *args[], int console);
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int run_parts (char *dir, char *cmd);
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#endif /* FINIT_HELPERS_H_ */
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/**
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* Local Variables:
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* version-control: t
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* indent-tabs-mode: t
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* c-file-style: "linux"
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* End:
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*/
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