diff options
Diffstat (limited to 'procps')
| -rw-r--r-- | procps/Config.in | 9 | ||||
| -rw-r--r-- | procps/ps.c | 68 |
2 files changed, 46 insertions, 31 deletions
diff --git a/procps/Config.in b/procps/Config.in index 9ab32e6d0..d17bbcde7 100644 --- a/procps/Config.in +++ b/procps/Config.in @@ -43,6 +43,15 @@ config CONFIG_PS help ps gives a snapshot of the current processes. +config CONFIG_FEATURE_PS_WIDE + bool " Enable argument for wide output (-w)" + default n + depends on CONFIG_PS + help + Support argument 'w' for wide output. + If given once, 132 chars are printed and given more than + one, the length is unlimited. + config CONFIG_RENICE bool "renice" default n diff --git a/procps/ps.c b/procps/ps.c index 18a6db36f..a610bb218 100644 --- a/procps/ps.c +++ b/procps/ps.c @@ -4,19 +4,7 @@ * * Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org> * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the Free - * Software Foundation; either version 2 of the License, or (at your option) - * any later version. - * - * This program is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., 59 Temple - * Place, Suite 330, Boston, MA 02111-1307 USA + * Licensed under the GPL v2, see the file LICENSE in this tarball. */ #include <stdio.h> @@ -30,32 +18,47 @@ #include <termios.h> #include <sys/ioctl.h> #include "busybox.h" -#ifdef CONFIG_SELINUX +#if ENABLE_SELINUX #include <selinux/selinux.h> /* for is_selinux_enabled() */ #endif -static const int TERMINAL_WIDTH = 79; /* not 80 in case terminal has linefold bug */ - - +#define TERMINAL_WIDTH 80 extern int ps_main(int argc, char **argv) { procps_status_t * p; - int i, len; - int terminal_width = TERMINAL_WIDTH; - -#ifdef CONFIG_SELINUX + int i, len, terminal_width; +#if ENABLE_SELINUX int use_selinux = 0; security_context_t sid=NULL; - if(is_selinux_enabled() && argv[1] && !strcmp(argv[1], "-c") ) - use_selinux = 1; #endif get_terminal_width_height(0, &terminal_width, NULL); + +#if ENABLE_FEATURE_PS_WIDE || ENABLE_SELINUX + /* handle arguments */ + /* bb_getopt_ulflags(argc, argv,) would force a leading dash */ + for (len = 1; len < argc; len++) { + char *c = argv[len]; + while (*c) { + if (ENABLE_FEATURE_PS_WIDE && *c == 'w') + /* if w is given once, GNU ps sets the width to 132, + * if w is given more than once, it is "unlimited" + */ + terminal_width = + (terminal_width==TERMINAL_WIDTH) ? 132 : INT_MAX; +#if ENABLE_SELINUX + if (*c == 'c' && is_selinux_enabled()) + use_selinux = 1; +#endif + c++; + } + } +#endif + /* Go one less... */ terminal_width--; - -#ifdef CONFIG_SELINUX +#if ENABLE_SELINUX if (use_selinux) printf(" PID Context Stat Command\n"); else @@ -64,8 +67,8 @@ extern int ps_main(int argc, char **argv) while ((p = procps_scan(1)) != 0) { char *namecmd = p->cmd; -#ifdef CONFIG_SELINUX - if ( use_selinux ) +#if ENABLE_SELINUX + if (use_selinux ) { char sbuf[128]; len = sizeof(sbuf); @@ -85,18 +88,19 @@ extern int ps_main(int argc, char **argv) safe_strncpy(sbuf, "unknown",7); } len = printf("%5d %-32s %s ", p->pid, sbuf, p->state); - } + } else #endif if(p->rss == 0) len = printf("%5d %-8s %s ", p->pid, p->user, p->state); else len = printf("%5d %-8s %6ld %s ", p->pid, p->user, p->rss, p->state); + i = terminal_width-len; - if(namecmd != 0 && namecmd[0] != 0) { + if(namecmd && namecmd[0]) { if(i < 0) - i = 0; + i = 0; if(strlen(namecmd) > i) namecmd[i] = 0; printf("%s\n", namecmd); @@ -108,7 +112,9 @@ extern int ps_main(int argc, char **argv) namecmd[i-2] = 0; printf("[%s]\n", namecmd); } - free(p->cmd); + /* no check needed, but to make valgrind happy.. */ + if (ENABLE_FEATURE_CLEAN_UP && p->cmd) + free(p->cmd); } return EXIT_SUCCESS; } |