sbase

suckless unix tools
git clone git://git.2f30.org/sbase.git
Log | Files | Refs | README | LICENSE

commit d59c8eea362026586d4faadb902a5b6f400981fe
parent 9e5718282a48e9d1b07b8d53e13e61670b5d86c6
Author: sin <sin@2f30.org>
Date:   Mon Aug  5 15:59:49 +0100

Implement -m for who

Diffstat:
who.c | 18+++++++++++++++---
1 file changed, 15 insertions(+), 3 deletions(-)
diff --git a/who.c b/who.c @@ -1,6 +1,7 @@ #include <stdio.h> #include <stdlib.h> #include <string.h> +#include <stdbool.h> #include <unistd.h> #include <time.h> #include <utmp.h> @@ -15,8 +16,17 @@ main(int argc, char **argv) FILE *ufp; time_t t; char timebuf[sizeof "yyyy-mm-dd hh:mm"]; + bool mflag = false; - if(argc!=1) + ARGBEGIN { + case 'm': + mflag = true; + break; + default: + usage(); + } ARGEND; + + if (argc > 0) usage(); if (!(ufp = fopen(_PATH_UTMP, "r"))) { @@ -25,6 +35,9 @@ main(int argc, char **argv) while(fread((char *)&usr, sizeof(usr), 1, ufp) == 1) { if (!*usr.ut_name || !*usr.ut_line) continue; + if (mflag && strcmp(usr.ut_line, + strrchr(ttyname(STDIN_FILENO), '/') + 1)) + continue; t = usr.ut_time; strftime(timebuf, sizeof timebuf, "%Y-%m-%d %H:%M", localtime(&t)); printf("%-8s %-12s %-16s\n", usr.ut_name, usr.ut_line, timebuf); @@ -36,6 +49,5 @@ main(int argc, char **argv) void usage(void) { - eprintf("usage: who\n"); + eprintf("usage: who [-m]\n"); } -