mirror of
https://github.com/topjohnwu/ndk-busybox.git
synced 2024-12-15 16:00:04 +00:00
104 lines
2.4 KiB
C
104 lines
2.4 KiB
C
/* vi: set sw=4 ts=4: */
|
|
/*
|
|
* Mini ps implementation(s) for busybox
|
|
*
|
|
* Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org>
|
|
*
|
|
* Licensed under the GPL version 2, see the file LICENSE in this tarball.
|
|
*/
|
|
|
|
#include "busybox.h"
|
|
|
|
int ps_main(int argc, char **argv)
|
|
{
|
|
procps_status_t * p;
|
|
int i, len;
|
|
SKIP_SELINUX(const) int use_selinux = 0;
|
|
USE_SELINUX(security_context_t sid = NULL;)
|
|
#if !ENABLE_FEATURE_PS_WIDE
|
|
enum { terminal_width = 79 };
|
|
#else
|
|
int terminal_width;
|
|
int w_count = 0;
|
|
#endif
|
|
|
|
#if ENABLE_FEATURE_PS_WIDE || ENABLE_SELINUX
|
|
#if ENABLE_FEATURE_PS_WIDE
|
|
opt_complementary = "-:ww";
|
|
USE_SELINUX(i =) getopt32(argc, argv, USE_SELINUX("c") "w", &w_count);
|
|
/* if w is given once, GNU ps sets the width to 132,
|
|
* if w is given more than once, it is "unlimited"
|
|
*/
|
|
if (w_count) {
|
|
terminal_width = (w_count==1) ? 132 : INT_MAX;
|
|
} else {
|
|
get_terminal_width_height(1, &terminal_width, NULL);
|
|
/* Go one less... */
|
|
terminal_width--;
|
|
}
|
|
#else /* only ENABLE_SELINUX */
|
|
i = getopt32(argc, argv, "c");
|
|
#endif
|
|
#if ENABLE_SELINUX
|
|
if ((i & 1) && is_selinux_enabled())
|
|
use_selinux = 1;
|
|
#endif
|
|
#endif /* ENABLE_FEATURE_PS_WIDE || ENABLE_SELINUX */
|
|
|
|
if (use_selinux)
|
|
puts(" PID Context Stat Command");
|
|
else
|
|
puts(" PID Uid VmSize Stat Command");
|
|
|
|
while ((p = procps_scan(1)) != 0) {
|
|
char *namecmd = p->cmd;
|
|
#if ENABLE_SELINUX
|
|
if (use_selinux) {
|
|
char sbuf[128];
|
|
len = sizeof(sbuf);
|
|
|
|
if (is_selinux_enabled()) {
|
|
if (getpidcon(p->pid, &sid) < 0)
|
|
sid = NULL;
|
|
}
|
|
|
|
if (sid) {
|
|
/* I assume sid initialized with NULL */
|
|
len = strlen(sid) + 1;
|
|
safe_strncpy(sbuf, sid, len);
|
|
freecon(sid);
|
|
sid = NULL;
|
|
} else {
|
|
safe_strncpy(sbuf, "unknown", 7);
|
|
}
|
|
len = printf("%5u %-32s %s ", (unsigned)p->pid, sbuf, p->state);
|
|
} else
|
|
#endif
|
|
if (p->rss == 0)
|
|
len = printf("%5u %-8s %s ", (unsigned)p->pid, p->user, p->state);
|
|
else
|
|
len = printf("%5u %-8s %6ld %s ", (unsigned)p->pid, p->user, p->rss, p->state);
|
|
|
|
i = terminal_width-len;
|
|
|
|
if (namecmd && namecmd[0]) {
|
|
if (i < 0)
|
|
i = 0;
|
|
if (strlen(namecmd) > (size_t)i)
|
|
namecmd[i] = 0;
|
|
puts(namecmd);
|
|
} else {
|
|
namecmd = p->short_cmd;
|
|
if (i < 2)
|
|
i = 2;
|
|
if (strlen(namecmd) > ((size_t)i-2))
|
|
namecmd[i-2] = 0;
|
|
printf("[%s]\n", namecmd);
|
|
}
|
|
/* no check needed, but to make valgrind happy.. */
|
|
if (ENABLE_FEATURE_CLEAN_UP && p->cmd)
|
|
free(p->cmd);
|
|
}
|
|
return EXIT_SUCCESS;
|
|
}
|