Mercurial > hg > toybox
annotate toys/pending/logger.c @ 1396:e0c9c5424864 draft
Isaac Dunham spotted that dhcp was also reimplementing daemon().
| author | Rob Landley <rob@landley.net> |
|---|---|
| date | Sun, 20 Jul 2014 21:34:49 -0500 |
| parents | f9271a80fedc |
| children |
| rev | line source |
|---|---|
| 829 | 1 /* logger.c - Log messages. |
| 2 * | |
| 3 * Copyright 2013 Ilya Kuzmich <ilya.kuzmich@gmail.com> | |
| 4 * | |
| 5 * See http://pubs.opengroup.org/onlinepubs/9699919799/utilities/logger.html | |
| 6 | |
| 7 USE_LOGGER(NEWTOY(logger, "st:p:", TOYFLAG_USR|TOYFLAG_BIN)) | |
| 8 | |
| 9 config LOGGER | |
| 10 bool "logger" | |
|
1019
f9271a80fedc
In logger and syslogd remove duplicated definitions of facilities and priorities
Felix Janda <felix.janda@posteo.de>
parents:
973
diff
changeset
|
11 depends on SYSLOGD |
| 829 | 12 default n |
| 13 help | |
|
1019
f9271a80fedc
In logger and syslogd remove duplicated definitions of facilities and priorities
Felix Janda <felix.janda@posteo.de>
parents:
973
diff
changeset
|
14 usage: logger [-s] [-t tag] [-p [facility.]priority] [message] |
| 829 | 15 |
| 16 Log message (or stdin) to syslog. | |
| 17 */ | |
| 18 | |
| 19 #define FOR_logger | |
| 20 #include "toys.h" | |
| 21 | |
| 22 GLOBALS( | |
| 23 char *priority_arg; | |
| 24 char *ident; | |
| 25 ) | |
| 26 | |
|
1019
f9271a80fedc
In logger and syslogd remove duplicated definitions of facilities and priorities
Felix Janda <felix.janda@posteo.de>
parents:
973
diff
changeset
|
27 extern int logger_lookup(int where, char *key); |
| 829 | 28 |
| 973 | 29 void logger_main(void) |
| 829 | 30 { |
| 973 | 31 int facility = LOG_USER, priority = LOG_NOTICE; |
| 32 char *message = NULL; | |
| 33 | |
| 34 if (toys.optflags & FLAG_p) { | |
| 35 char *sep = strchr(TT.priority_arg, '.'); | |
| 829 | 36 |
| 973 | 37 if (sep) { |
| 38 *sep = '\0'; | |
|
1019
f9271a80fedc
In logger and syslogd remove duplicated definitions of facilities and priorities
Felix Janda <felix.janda@posteo.de>
parents:
973
diff
changeset
|
39 if ((facility = logger_lookup(0, TT.priority_arg)) == -1) |
| 973 | 40 error_exit("bad facility: %s", TT.priority_arg); |
| 41 TT.priority_arg = sep+1; | |
| 42 } | |
| 43 | |
|
1019
f9271a80fedc
In logger and syslogd remove duplicated definitions of facilities and priorities
Felix Janda <felix.janda@posteo.de>
parents:
973
diff
changeset
|
44 if ((priority = logger_lookup(1, TT.priority_arg)) == -1) |
| 973 | 45 error_exit("bad priority: %s", TT.priority_arg); |
| 829 | 46 } |
| 47 | |
| 973 | 48 if (!(toys.optflags & FLAG_t)) { |
| 49 struct passwd *pw = getpwuid(geteuid()); | |
| 829 | 50 |
| 973 | 51 if (!pw) perror_exit("getpwuid"); |
| 829 | 52 TT.ident = xstrdup(pw->pw_name); |
| 53 } | |
| 54 | |
| 55 if (toys.optc) { | |
| 973 | 56 int length = 0, pos = 0; |
| 829 | 57 |
| 973 | 58 for (;*toys.optargs; toys.optargs++) { |
| 829 | 59 length += strlen(*(toys.optargs)) + 1; // plus one for the args spacing |
| 60 message = xrealloc(message, length + 1); // another one for the null byte | |
| 61 | |
| 62 sprintf(message + pos, "%s ", *toys.optargs); | |
| 63 pos = length; | |
| 64 } | |
| 65 } else { | |
| 66 toybuf[readall(0, toybuf, 4096-1)] = '\0'; | |
| 67 message = toybuf; | |
| 68 } | |
| 69 | |
| 973 | 70 openlog(TT.ident, (toys.optflags & FLAG_s ? LOG_PERROR : 0) , facility); |
| 71 syslog(priority, "%s", message); | |
| 829 | 72 closelog(); |
| 73 } |