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Limit ps(1) output based on the current terminal width

This commit is contained in:
sin 2013-09-03 14:11:11 +01:00
parent 818794af45
commit c903b0da96
1 changed files with 15 additions and 9 deletions
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24
ps.c
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@ -1,5 +1,6 @@
/* See LICENSE file for copyright and license details. */
#include <sys/sysinfo.h>
#include <sys/ioctl.h>
#include <errno.h>
#include <unistd.h>
#include <stdio.h>
@ -66,6 +67,7 @@ psout(struct procstat *ps)
{
struct procstatus pstatus;
char cmdline[BUFSIZ], *cmd;
char buf[BUFSIZ];
char *ttystr, *myttystr;
int tty_maj, tty_min;
uid_t myeuid;
@ -74,6 +76,7 @@ psout(struct procstat *ps)
char stimestr[sizeof("%H:%M")];
struct sysinfo info;
struct passwd *pw;
struct winsize w;
/* Ignore session leaders */
if (flags & PS_dflag)
@ -119,10 +122,12 @@ psout(struct procstat *ps)
sutime = (ps->stime + ps->utime) / sysconf(_SC_CLK_TCK);
ioctl(STDOUT_FILENO, TIOCGWINSZ, &w);
if (!(flags & PS_fflag)) {
printf("%5d %-6s %02u:%02u:%02u %s\n", ps->pid, ttystr,
sutime / 3600, (sutime % 3600) / 60, sutime % 60,
ps->comm);
snprintf(buf, sizeof(buf), "%5d %-6s %02u:%02u:%02u %s", ps->pid, ttystr,
sutime / 3600, (sutime % 3600) / 60, sutime % 60,
ps->comm);
printf("%.*s\n", w.ws_col, buf);
} else {
errno = 0;
pw = getpwuid(pstatus.uid);
@ -144,12 +149,13 @@ psout(struct procstat *ps)
else
cmd = cmdline;
printf("%-8s %5d %5d ? %5s %-5s %02u:%02u:%02u %s%s%s\n",
pw->pw_name, ps->pid,
ps->ppid, stimestr, ttystr,
sutime / 3600, (sutime % 3600) / 60, sutime % 60,
(cmd == ps->comm) ? "[" : "", cmd,
(cmd == ps->comm) ? "]" : "");
snprintf(buf, sizeof(buf), "%-8s %5d %5d ? %5s %-5s %02u:%02u:%02u %s%s%s",
pw->pw_name, ps->pid,
ps->ppid, stimestr, ttystr,
sutime / 3600, (sutime % 3600) / 60, sutime % 60,
(cmd == ps->comm) ? "[" : "", cmd,
(cmd == ps->comm) ? "]" : "");
printf("%.*s\n", w.ws_col, buf);
}
free(ttystr);
}