/************************* parse BSD options **********************/
static const char *parse_bsd_option(void){
const char *arg;
const char *err;
flagptr = ps_argv[thisarg]; /* assume we _have_ a '-' */
if(flagptr[0]=='-'){
if(!force_bsd) return "Can't happen! Problem #1.";
}else{
flagptr--; /* off beginning, will increment before use */
if(personality & PER_FORCE_BSD){
if(!force_bsd) return "Can't happen! Problem #2.";
}else{
if(force_bsd) return "2nd chance parse failed, not BSD or SysV.";
}
}
while(*++flagptr){
switch(*flagptr){
case '0' ... '9': /* end */
trace("0..9 Old BSD-style select by process ID\n");
arg=flagptr;
err=parse_list(arg, parse_pid);
if(err) return err;
selection_list->typecode = SEL_PID;
return NULL; /* can't have any more options */
#if 0
case 'A':
/* maybe this just does a larger malloc() ? */
trace("A Increases the argument space (Digital Unix)\n");
return "Option A is reserved.";
break;
case 'C':
/* should divide result by 1-(e**(foo*log(bar))) */
trace("C Use raw CPU time for %%CPU instead of decaying ave\n");
return "Option C is reserved.";
break;
#endif
case 'L': /* single */
trace("L List all format specifiers\n");
exclusive("L");
print_format_specifiers();
exit(0);
#if 0
case 'M':
trace("M junk (use alternate core)\n");
return "Option M is unsupported, try N or -n instead.";
break;
#endif
case 'N': /* end */
trace("N Specify namelist file\n");
arg=get_opt_arg();
if(!arg) return "Alternate System.map file must follow N.";
namelist_file = arg;
return NULL; /* can't have any more options */
case 'O': /* end */
trace("O Like o + defaults, add new columns after PID. Also sort.\n");
arg=get_opt_arg();
if(!arg) return "Format or sort specification must follow O.";
defer_sf_option(arg, SF_B_O);
return NULL; /* can't have any more options */
break;
case 'S':
trace("S include dead kids in sum\n");
include_dead_children = 1;
break;
case 'T':
trace("T Select all processes on this terminal\n");
/* put our tty on a tiny list */
{
selection_node *node;
node = malloc(sizeof(selection_node));
node->u = malloc(sizeof(sel_union));
node->u[0].tty = cached_tty;
node->typecode = SEL_TTY;
node->n = 1;
node->next = selection_list;
selection_list = node;
}
break;
case 'U': /* end */
trace("U Select processes for specified users.\n");
arg=get_opt_arg();
if(!arg) return "List of users must follow U.";
err=parse_list(arg, parse_uid);
if(err) return err;
selection_list->typecode = SEL_EUID;
return NULL; /* can't have any more options */
case 'V': /* single */
trace("V show version info\n");
exclusive("V");
display_version();
exit(0);
case 'W':
trace("W N/A get swap info from ... not /dev/drum.\n");
return "Obsolete W option not supported. (You have a /dev/drum?)";
break;
case 'X':
trace("X Old Linux i386 register format\n");
format_flags |= FF_LX;
break;
case 'a':
trace("a Select all w/tty, including other users\n");
simple_select |= SS_B_a;
break;
case 'c':
trace("c true command name\n");
bsd_c_option = 1;
break;
case 'e':
trace("e environment\n");
bsd_e_option = 1;
break;
case 'f':
trace("f ASCII art forest\n");
forest_type = 'b';
break;
case 'g':
trace("g _all_, even group leaders!.\n");
simple_select |= SS_B_g;
break;
case 'h':
trace("h Repeat header... yow.\n");
if(header_type) return "Only one heading option may be specified.";
if(personality & PER_BSD_h) header_type = HEAD_MULTI;
else header_type = HEAD_NONE;
break;
case 'j':
trace("j job control format\n");
format_flags |= FF_Bj;
break;
#if 0
case 'k':
trace("k N/A Use /vmcore as c-dumpfile\n");
return "Obsolete k option not supported.";
break;
#endif
case 'l':
trace("l Display long format\n");
format_flags |= FF_Bl;
break;
case 'm':
trace("m all threads, sort on mem use, show mem info\n");
if(personality & PER_OLD_m){
format_flags |= FF_Lm;
break;
}
if(personality & PER_BSD_m){
defer_sf_option("pmem", SF_B_m);
break;
}
/* not implemented -- silently ignore the option */
break;
case 'n':
trace("n Numeric output for WCHAN, and USER replaced by UID\n");
wchan_is_number = 1;
user_is_number = 1;
/* TODO add tty_is_number too? */
break;
case 'o': /* end */
trace("o Specify user-defined format\n");
arg=get_opt_arg();
if(!arg) return "Format specification must follow o.";
defer_sf_option(arg, SF_B_o);
return NULL; /* can't have any more options */
case 'p': /* end */
trace("p Select by process ID\n");
arg=get_opt_arg();
if(!arg) return "List of process IDs must follow p.";
err=parse_list(arg, parse_pid);
if(err) return err;
selection_list->typecode = SEL_PID;
return NULL; /* can't have any more options */
case 'r':
trace("r Select running processes\n");
running_only = 1;
break;
case 's':
trace("s Display signal format\n");
format_flags |= FF_Bs;
break;
case 't': /* end */
trace("t Select by tty.\n");
/* List of terminals (tty, pty...) _should_ follow t. */
arg=get_opt_arg();
if(!arg){
/* Wow, obsolete BSD syntax. Put our tty on a tiny list. */
selection_node *node;
node = malloc(sizeof(selection_node));
node->u = malloc(sizeof(sel_union));
node->u[0].tty = cached_tty;
node->typecode = SEL_TTY;
node->n = 1;
node->next = selection_list;
selection_list = node;
return NULL;
}
err=parse_list(arg, parse_tty);
if(err) return err;
selection_list->typecode = SEL_TTY;
return NULL; /* can't have any more options */
case 'u':
trace("u Display user-oriented\n");
format_flags |= FF_Bu;
break;
case 'v':
trace("v Display virtual memory\n");
format_flags |= FF_Bv;
break;
case 'w':
trace("w wide output\n");
w_count++;
break;
case 'x':
trace("x Select processes without controlling ttys\n");
simple_select |= SS_B_x;
break;
case '-':
return "Embedded '-' among BSD options makes no sense.";
break;
case '\0':
return "Please report the \"BSD \\0 can't happen\" bug.";
break;
default:
return "Unsupported option (BSD syntax)";
} /* switch */
} /* while */
return NULL;
}
/************************* parse BSD options **********************/
static const char *parse_bsd_option(void){
const char *arg;
const char *err;
flagptr = ps_argv[thisarg]; /* assume we _have_ a '-' */
if(flagptr[0]=='-'){
if(!force_bsd) return _("cannot happen - problem #1");
}else{
flagptr--; /* off beginning, will increment before use */
if(personality & PER_FORCE_BSD){
if(!force_bsd) return _("cannot happen - problem #2");
}else{
if(force_bsd) return _("second chance parse failed, not BSD or SysV");
}
}
while(*++flagptr){
switch(*flagptr){
case '0' ... '9': /* end */
trace("0..9 pld BSD-style select by process ID\n");
arg=flagptr;
err=parse_list(arg, parse_pid);
if(err) return err;
selection_list->typecode = SEL_PID;
return NULL; /* can't have any more options */
#if 0
case 'A':
/* maybe this just does a larger malloc() ? */
trace("A increases the argument space (Digital Unix)\n");
return _("option A is reserved");
break;
case 'C':
/* should divide result by 1-(e**(foo*log(bar))) */
trace("C use raw CPU time for %%CPU instead of decaying ave\n");
return _("option C is reserved");
break;
#endif
case 'H': // The FreeBSD way (NetBSD:s OpenBSD:k FreeBSD:H -- NIH???)
trace("H print LWP (thread) info\n"); // was: Use /vmcore as c-dumpfile\n");
thread_flags |= TF_B_H;
//format_modifiers |= FM_L; // FIXME: determine if we need something like this
break;
case 'L': /* single */
trace("L list all format specifiers\n");
exclusive("L");
print_format_specifiers();
exit(0);
case 'M': // undocumented for now: these are proliferating!
trace("M MacOS X thread display, like AIX/Tru64\n");
thread_flags |= TF_B_m;
break;
case 'N': /* end */
trace("N specify namelist file\n");
arg=get_opt_arg();
if(!arg) return _("alternate System.map file must follow N");
namelist_file = arg;
return NULL; /* can't have any more options */
case 'O': /* end */
trace("O like o + defaults, add new columns after PID, also sort\n");
arg=get_opt_arg();
if(!arg) return _("format or sort specification must follow O");
defer_sf_option(arg, SF_B_O);
return NULL; /* can't have any more options */
break;
case 'S':
trace("S include dead kids in sum\n");
include_dead_children = 1;
break;
case 'T':
trace("T select all processes on this terminal\n");
/* put our tty on a tiny list */
{
selection_node *node;
node = malloc(sizeof(selection_node));
node->u = malloc(sizeof(sel_union));
node->u[0].tty = cached_tty;
node->typecode = SEL_TTY;
node->n = 1;
node->next = selection_list;
selection_list = node;
}
break;
case 'U': /* end */
trace("U select processes for specified users\n");
arg=get_opt_arg();
if(!arg) return _("list of users must follow U");
err=parse_list(arg, parse_uid);
if(err) return err;
selection_list->typecode = SEL_EUID;
return NULL; /* can't have any more options */
case 'V': /* single */
trace("V show version info\n");
exclusive("V");
display_version();
exit(0);
case 'W':
trace("W N/A get swap info from ... not /dev/drum.\n");
return _("obsolete W option not supported (you have a /dev/drum?)");
break;
case 'X':
trace("X old Linux i386 register format\n");
format_flags |= FF_LX;
break;
case 'Z': /* FreeBSD does MAC like SGI's Irix does it */
trace("Z print security label for Mandatory Access Control.\n");
format_modifiers |= FM_M;
break;
case 'a':
trace("a select all w/tty, including other users\n");
simple_select |= SS_B_a;
break;
case 'c':
trace("c true command name\n");
bsd_c_option = 1;
break;
// case 'd':
// trace("d FreeBSD-style tree\n");
// forest_type = 'f';
// break;
case 'e':
trace("e environment\n");
bsd_e_option = 1;
break;
case 'f':
trace("f ASCII art forest\n");
forest_type = 'b';
break;
case 'g':
trace("g _all_, even group leaders\n");
simple_select |= SS_B_g;
break;
case 'h':
trace("h repeat header\n");
if(header_type) return _("only one heading option may be specified");
if(personality & PER_BSD_h) header_type = HEAD_MULTI;
else header_type = HEAD_NONE;
break;
case 'j':
trace("j job control format\n");
format_flags |= FF_Bj;
break;
case 'k':
// OpenBSD: don't hide "kernel threads" -- like the swapper?
// trace("k Print LWP (thread) info.\n"); // was: Use /vmcore as c-dumpfile\n");
// NetBSD, and soon (?) FreeBSD: sort-by-keyword
trace("k specify sorting keywords\n");
arg=get_opt_arg();
if(!arg) return _("long sort specification must follow 'k'");
defer_sf_option(arg, SF_G_sort);
return NULL; /* can't have any more options */
case 'l':
trace("l display long format\n");
format_flags |= FF_Bl;
break;
case 'm':
trace("m all threads, sort on mem use, show mem info\n");
if(personality & PER_OLD_m){
format_flags |= FF_Lm;
break;
}
if(personality & PER_BSD_m){
defer_sf_option("pmem", SF_B_m);
break;
}
thread_flags |= TF_B_m;
break;
case 'n':
trace("n numeric output for WCHAN, and USER replaced by UID\n");
wchan_is_number = 1;
user_is_number = 1;
/* TODO add tty_is_number too? */
break;
case 'o': /* end */
trace("o specify user-defined format\n");
arg=get_opt_arg();
if(!arg) return _("format specification must follow o");
defer_sf_option(arg, SF_B_o);
return NULL; /* can't have any more options */
case 'p': /* end */
trace("p select by process ID\n");
arg=get_opt_arg();
if(!arg) return _("list of process IDs must follow p");
err=parse_list(arg, parse_pid);
if(err) return err;
selection_list->typecode = SEL_PID;
return NULL; /* can't have any more options */
case 'r':
trace("r select running processes\n");
running_only = 1;
break;
case 's':
trace("s display signal format\n");
format_flags |= FF_Bs;
break;
case 't': /* end */
trace("t select by tty\n");
/* List of terminals (tty, pty...) _should_ follow t. */
arg=get_opt_arg();
if(!arg){
/* Wow, obsolete BSD syntax. Put our tty on a tiny list. */
selection_node *node;
node = malloc(sizeof(selection_node));
node->u = malloc(sizeof(sel_union));
node->u[0].tty = cached_tty;
node->typecode = SEL_TTY;
node->n = 1;
node->next = selection_list;
selection_list = node;
return NULL;
}
err=parse_list(arg, parse_tty);
if(err) return err;
selection_list->typecode = SEL_TTY;
return NULL; /* can't have any more options */
case 'u':
trace("u display user-oriented\n");
format_flags |= FF_Bu;
break;
case 'v':
trace("v display virtual memory\n");
format_flags |= FF_Bv;
break;
case 'w':
trace("w wide output\n");
w_count++;
break;
case 'x':
trace("x select processes without controlling ttys\n");
simple_select |= SS_B_x;
break;
case '-':
return _("embedded '-' among BSD options makes no sense");
break;
case '\0':
catastrophic_failure(__FILE__, __LINE__, _("please report this bug"));
break;
default:
return _("unsupported option (BSD syntax)");
} /* switch */
} /* while */
return NULL;
}
/***************** parse SysV options, including Unix98 *****************/
static const char *parse_sysv_option(void){
const char *arg;
const char *err;
flagptr = ps_argv[thisarg];
while(*++flagptr){
/* Find any excuse to ignore stupid Unix98 misfeatures. */
if(!strchr("aAdefgGlnoptuU", *flagptr)) not_pure_unix = 1;
switch(*flagptr){
case 'A':
trace("-A selects all processes.\n");
all_processes = 1;
break;
case 'C': /* end */
trace("-C select by process name.\n"); /* Why only HP/UX and us? */
arg=get_opt_arg();
if(!arg) return "List of command names must follow -C.";
err=parse_list(arg, parse_cmd);
if(err) return err;
selection_list->typecode = SEL_COMM;
return NULL; /* can't have any more options */
case 'F': /* DYNIX/ptx -f plus sz,rss,psr=ENG between c and stime */
trace("-F does fuller listing\n");
format_modifiers |= FM_F;
format_flags |= FF_Uf;
unix_f_option = 1; /* does this matter? */
break;
case 'G': /* end */
trace("-G select by RGID (supports names)\n");
arg=get_opt_arg();
if(!arg) return "List of real groups must follow -G.";
err=parse_list(arg, parse_gid);
if(err) return err;
selection_list->typecode = SEL_RGID;
return NULL; /* can't have any more options */
case 'H': /* another nice HP/UX feature */
trace("-H Process heirarchy (like ASCII art forest option)\n");
forest_type = 'u';
break;
case 'L': /* */
/* In spite of the insane 2-level thread system, Sun appears to
* have made this option Linux-compatible. If a process has N
* threads, ps will produce N lines of output. (not N+1 lines)
* Zombies are the only exception, with NLWP==0 and 1 output line.
* SCO UnixWare uses -L too.
*/
trace("-L Print LWP (thread) info.\n");
format_modifiers |= FM_L;
break;
case 'M': /* someday, maybe, we will have MAC like SGI's Irix */
trace("-M Print security label for Mandatory Access Control.\n");
format_modifiers |= FM_M;
return "Sorry, no Mandatory Access Control support.";
break;
case 'N':
trace("-N negates.\n");
negate_selection = 1;
break;
case 'O': /* end */
trace("-O is preloaded -o.\n");
arg=get_opt_arg();
if(!arg) return "Format or sort specification must follow -O.";
defer_sf_option(arg, SF_U_O);
return NULL; /* can't have any more options */
case 'P': /* SunOS 5 "psr" or unknown HP/UX feature */
trace("-P adds columns of PRM info (HP) or PSR column (Sun)\n");
format_modifiers |= FM_P;
break;
#ifdef WE_UNDERSTAND_THIS
case 'R': /* unknown HP/UX feature */
trace("-R selects PRM groups\n");
return "Don't understand PRM on Linux.";
break;
#endif
case 'T':
/* IRIX 6.5 docs suggest POSIX threads get shown individually.
* This would make -T be like -L, -m, and m. (but an extra column)
* Testing (w/ normal processes) shows 1 line/process, not 2.
* Also, testing shows PID==SPID for all normal processes.
*/
trace("-T adds strange SPID column (old sproc() threads?)\n");
format_modifiers |= FM_T;
break;
case 'U': /* end */
trace("-U select by RUID (supports names).\n");
arg=get_opt_arg();
if(!arg) return "List of real groups must follow -U.";
err=parse_list(arg, parse_uid);
if(err) return err;
selection_list->typecode = SEL_RUID;
return NULL; /* can't have any more options */
case 'V': /* single */
trace("-V prints version.\n");
exclusive("-V");
display_version();
exit(0);
case 'Z': /* full Mandatory Access Control level info */
trace("-Z shows full MAC info\n");
return "Don't understand MAC on Linux.";
break;
case 'a':
trace("-a select all with a tty, but omit session leaders.\n");
simple_select |= SS_U_a;
break;
case 'c':
/* HP-UX and SunOS 5 scheduling info modifier */
trace("-c changes scheduling info.\n");
format_modifiers |= FM_c;
break;
case 'd':
trace("-d select all, but omit session leaders.\n");
simple_select |= SS_U_d;
break;
case 'e':
trace("-e selects all processes.\n");
all_processes = 1;
break;
case 'f':
trace("-f does full listing\n");
format_flags |= FF_Uf;
unix_f_option = 1; /* does this matter? */
break;
case 'g': /* end */
trace("-g selects by session leader OR by group name\n");
arg=get_opt_arg();
if(!arg) return "List of session leaders OR effective group names must follow -g.";
err=parse_list(arg, parse_pid);
if(!err){
selection_list->typecode = SEL_SESS;
return NULL; /* can't have any more options */
}
err=parse_list(arg, parse_gid);
if(!err){
selection_list->typecode = SEL_EGID;
return NULL; /* can't have any more options */
}
return "List of session leaders OR effective group IDs was invalid.";
case 'j':
trace("-j jobs format.\n");
/* Debian uses RD_j and Digital uses JFMT */
if(sysv_j_format) format_flags |= FF_Uj;
else format_modifiers |= FM_j;
break;
case 'l':
trace("-l long format.\n");
format_flags |= FF_Ul;
break;
case 'm':
trace("-m shows threads.\n");
/* note that AIX shows 2 lines for a normal process */
/* not implemented -- silently ignore the option */
break;
case 'n': /* end */
trace("-n sets namelist file.\n");
arg=get_opt_arg();
if(!arg) return "Alternate System.map file must follow -n.";
namelist_file = arg;
return NULL; /* can't have any more options */
case 'o': /* end */
/* Unix98 has gross behavior regarding this. From the following: */
/* ps -o pid,nice=NICE,tty=TERMINAL,comm */
/* The result must be 2 columns: "PID NICE,tty=TERMINAL,comm" */
/* Yes, the second column has the name "NICE,tty=TERMINAL,comm" */
/* This parser looks for any excuse to ignore that braindamage. */
trace("-o user-defined format.\n");
arg=get_opt_arg();
if(!arg) return "Format specification must follow -o.";
not_pure_unix |= defer_sf_option(arg, SF_U_o);
return NULL; /* can't have any more options */
case 'p': /* end */
trace("-p select by PID.\n");
arg=get_opt_arg();
if(!arg) return "List of process IDs must follow -p.";
err=parse_list(arg, parse_pid);
if(err) return err;
selection_list->typecode = SEL_PID;
return NULL; /* can't have any more options */
#ifdef KNOW_WHAT_TO_DO_WITH_THIS
case 'r':
trace("-r some Digital Unix thing about warnings...\n");
trace(" or SCO's option to chroot() for new /proc and /dev.\n");
return "The -r option is reserved.";
break;
#endif
case 's': /* end */
trace("-s Select processes belonging to the sessions given.\n");
arg=get_opt_arg();
if(!arg) return "List of session IDs must follow -s.";
err=parse_list(arg, parse_pid);
if(err) return err;
selection_list->typecode = SEL_SESS;
return NULL; /* can't have any more options */
case 't': /* end */
trace("-t select by tty.\n");
arg=get_opt_arg();
if(!arg) return "List of terminals (pty, tty...) must follow -t.";
err=parse_list(arg, parse_tty);
if(err) return err;
selection_list->typecode = SEL_TTY;
return NULL; /* can't have any more options */
case 'u': /* end */
trace("-u select by user ID (the EUID?) (supports names).\n");
arg=get_opt_arg();
if(!arg) return "List of users must follow -u.";
err=parse_list(arg, parse_uid);
if(err) return err;
selection_list->typecode = SEL_EUID;
return NULL; /* can't have any more options */
case 'w':
trace("-w wide output.\n");
w_count++;
break;
#ifdef NOBODY_HAS_BSD_HABITS_ANYMORE
case 'x': /* Same as -y, but for System V Release 4 MP */
trace("-x works like Sun Solaris & SCO Unixware -y option\n");
format_modifiers |= FM_x;
break;
#endif
case 'y': /* Sun's -l hack (also: Irix "lnode" resource control info) */
trace("-y Print lnone info in UID/USER column or do Sun -l hack.\n");
format_modifiers |= FM_y;
break;
case 'z': /* alias of Mandatory Access Control level info */
trace("-z shows aliased MAC info\n");
return "Don't understand MAC on Linux.";
break;
case '-':
return "Embedded '-' among SysV options makes no sense.";
break;
case '\0':
return "Please report the \"SysV \\0 can't happen\" bug.";
break;
default:
return "Unsupported SysV option.";
} /* switch */
} /* while */
return NULL;
}
/***************** parse SysV options, including Unix98 *****************/
static const char *parse_sysv_option(void){
const char *arg;
const char *err;
flagptr = ps_argv[thisarg];
while(*++flagptr){
// Find any excuse to ignore stupid Unix98 misfeatures.
//
// This list of options is ONLY for those defined by the
// "IEEE Std 1003.1, 2004 Edition", "ISO/IEC 9945:2003",
// or "Version 2 of the Single Unix Specification".
//
// It may be time to re-think the existence of this list.
// In the meantime, please do not add to it. The list is
// intended to ONLY contain flags defined by the POSIX and UNIX
// standards published by The Open Group, IEEE, and ISO.
if(!strchr("aAdefgGlnoptuU", *flagptr)) not_pure_unix = 1; // dude, -Z ain't in POSIX
switch(*flagptr){
case 'A':
trace("-A selects all processes\n");
all_processes = 1;
break;
case 'C': /* end */
trace("-C select by process name\n"); /* Why only HP/UX and us? */
arg=get_opt_arg();
if(!arg) return _("list of command names must follow -C");
err=parse_list(arg, parse_cmd);
if(err) return err;
selection_list->typecode = SEL_COMM;
return NULL; /* can't have any more options */
case 'F': /* DYNIX/ptx -f plus sz,rss,psr=ENG between c and stime */
trace("-F does fuller listing\n");
format_modifiers |= FM_F;
format_flags |= FF_Uf;
unix_f_option = 1; /* does this matter? */
break;
case 'G': /* end */
trace("-G select by RGID (supports names)\n");
arg=get_opt_arg();
if(!arg) return _("list of real groups must follow -G");
err=parse_list(arg, parse_gid);
if(err) return err;
selection_list->typecode = SEL_RGID;
return NULL; /* can't have any more options */
case 'H': /* another nice HP/UX feature */
trace("-H process hierarchy (like ASCII art forest option)\n");
forest_type = 'u';
break;
#if 0
case 'J': // specify list of job IDs in hex (IRIX) -- like HP "-R" maybe?
trace("-J select by job ID\n"); // want a JID ("jid") for "-j" too
arg=get_opt_arg();
if(!arg) return _("list of jobs must follow -J");
err=parse_list(arg, parse_jid);
if(err) return err;
selection_list->typecode = SEL_JID;
return NULL; /* can't have any more options */
#endif
case 'L': /* */
/* In spite of the insane 2-level thread system, Sun appears to
* have made this option Linux-compatible. If a process has N
* threads, ps will produce N lines of output. (not N+1 lines)
* Zombies are the only exception, with NLWP==0 and 1 output line.
* SCO UnixWare uses -L too.
*/
trace("-L print LWP (thread) info\n");
thread_flags |= TF_U_L;
// format_modifiers |= FM_L;
break;
case 'M': // typically the SELinux context
trace("-M print security label for Mandatory Access Control\n");
format_modifiers |= FM_M;
break;
case 'N':
trace("-N negates\n");
negate_selection = 1;
break;
case 'O': /* end */
trace("-O is preloaded -o\n");
arg=get_opt_arg();
if(!arg) return _("format or sort specification must follow -O");
defer_sf_option(arg, SF_U_O);
return NULL; /* can't have any more options */
case 'P': /* SunOS 5 "psr" or unknown HP/UX feature */
trace("-P adds columns of PRM info (HP-UX), PSR (SunOS), or capabilities (IRIX)\n");
format_modifiers |= FM_P;
break;
#if 0
case 'R': // unknown HP/UX feature, like IRIX "-J" maybe?
trace("-R select by PRM group\n");
arg=get_opt_arg();
if(!arg) return _("list of PRM groups must follow -R");
err=parse_list(arg, parse_prm);
if(err) return err;
selection_list->typecode = SEL_PRM;
return NULL; /* can't have any more options */
#endif
case 'T':
/* IRIX 6.5 docs suggest POSIX threads get shown individually.
* This would make -T be like -L, -m, and m. (but an extra column)
* Testing (w/ normal processes) shows 1 line/process, not 2.
* Also, testing shows PID==SPID for all normal processes.
*/
trace("-T adds strange SPID column (old sproc() threads?)\n");
thread_flags |= TF_U_T;
// format_modifiers |= FM_T;
break;
case 'U': /* end */
trace("-U select by RUID (supports names)\n");
arg=get_opt_arg();
if(!arg) return _("list of real users must follow -U");
err=parse_list(arg, parse_uid);
if(err) return err;
selection_list->typecode = SEL_RUID;
return NULL; /* can't have any more options */
case 'V': /* single */
trace("-V prints version\n");
exclusive("-V");
display_version();
exit(0);
// This must be verified against SVR4-MP. (UnixWare or Powermax)
// Leave it undocumented until that problem is solved.
case 'Z': /* full Mandatory Access Control level info */
trace("-Z shows full MAC info\n");
format_modifiers |= FM_M;
break;
case 'a':
trace("-a select all with a tty, but omit session leaders\n");
simple_select |= SS_U_a;
break;
case 'c':
/* HP-UX and SunOS 5 scheduling info modifier */
trace("-c changes scheduling info\n");
format_modifiers |= FM_c;
break;
case 'd':
trace("-d select all, but omit session leaders\n");
simple_select |= SS_U_d;
break;
case 'e':
trace("-e selects all processes\n");
all_processes = 1;
break;
case 'f':
trace("-f does full listing\n");
format_flags |= FF_Uf;
unix_f_option = 1; /* does this matter? */
break;
case 'g': /* end */
trace("-g selects by session leader OR by group name\n");
arg=get_opt_arg();
if(!arg) return _("list of session leaders OR effective group names must follow -g");
err=parse_list(arg, parse_pid);
if(!err){
selection_list->typecode = SEL_SESS;
return NULL; /* can't have any more options */
}
err=parse_list(arg, parse_gid);
if(!err){
selection_list->typecode = SEL_EGID;
return NULL; /* can't have any more options */
}
return _("list of session leaders OR effective group IDs was invalid");
case 'j':
trace("-j jobs format\n");
/* old Debian used RD_j and Digital uses JFMT */
if(sysv_j_format) format_flags |= FF_Uj;
else format_modifiers |= FM_j;
break;
case 'l':
trace("-l long format\n");
format_flags |= FF_Ul;
break;
case 'm':
trace("-m shows threads\n");
/* note that AIX shows 2 lines for a normal process */
thread_flags |= TF_U_m;
break;
case 'n': /* end */
trace("-n sets namelist file\n");
arg=get_opt_arg();
if(!arg) return _("alternate System.map file must follow -n");
namelist_file = arg;
return NULL; /* can't have any more options */
case 'o': /* end */
/* Unix98 has gross behavior regarding this. From the following: */
/* ps -o pid,nice=NICE,tty=TERMINAL,comm */
/* The result must be 2 columns: "PID NICE,tty=TERMINAL,comm" */
/* Yes, the second column has the name "NICE,tty=TERMINAL,comm" */
/* This parser looks for any excuse to ignore that braindamage. */
trace("-o user-defined format\n");
arg=get_opt_arg();
if(!arg) return _("format specification must follow -o");
not_pure_unix |= defer_sf_option(arg, SF_U_o);
return NULL; /* can't have any more options */
case 'p': /* end */
trace("-p select by PID\n");
arg=get_opt_arg();
if(!arg) return _("list of process IDs must follow -p");
err=parse_list(arg, parse_pid);
if(err) return err;
selection_list->typecode = SEL_PID;
return NULL; /* can't have any more options */
#if 0
case 'r':
trace("-r some Digital Unix thing about warnings...\n");
trace(" or SCO's option to chroot() for new /proc and /dev\n");
return _("the -r option is reserved");
break;
#endif
case 's': /* end */
trace("-s select processes belonging to the sessions given\n");
arg=get_opt_arg();
if(!arg) return _("list of session IDs must follow -s");
err=parse_list(arg, parse_pid);
if(err) return err;
selection_list->typecode = SEL_SESS;
return NULL; /* can't have any more options */
case 't': /* end */
trace("-t select by tty\n");
arg=get_opt_arg();
if(!arg) return _("list of terminals (pty, tty...) must follow -t");
err=parse_list(arg, parse_tty);
if(err) return err;
selection_list->typecode = SEL_TTY;
return NULL; /* can't have any more options */
case 'u': /* end */
trace("-u select by user effective ID (supports names)\n");
arg=get_opt_arg();
if(!arg) return _("list of users must follow -u");
err=parse_list(arg, parse_uid);
if(err) return err;
selection_list->typecode = SEL_EUID;
return NULL; /* can't have any more options */
case 'w':
trace("-w wide output\n");
w_count++;
break;
case 'x': /* behind personality until "ps -ax" habit is uncommon */
if(personality & PER_SVR4_x){
// Same as -y, but for System V Release 4 MP
trace("-x works like Sun Solaris & SCO Unixware -y option\n");
format_modifiers |= FM_y;
break;
}
if(personality & PER_HPUX_x){
trace("-x extends the command line\n");
w_count += 2;
unix_f_option = 1;
break;
}
return _("must set personality to get -x option");
case 'y': /* Sun's -l hack (also: Irix "lnode" resource control info) */
trace("-y print lnone info in UID/USER column or do Sun -l hack\n");
format_modifiers |= FM_y;
break;
#if 0
// This must be verified against SVR4-MP (UnixWare or Powermax)
case 'z': /* alias of Mandatory Access Control level info */
trace("-z shows aliased MAC info\n");
format_modifiers |= FM_M;
break;
// Solaris 10 does this
case 'z': /* select by zone */
trace("-z secects by zone\n");
arg=get_opt_arg();
if(!arg) return _("list of zones (contexts, labels, whatever?) must follow -z");
err=parse_list(arg, parse_zone);
if(err) return err;
selection_list->typecode = SEL_ZONE;
return NULL; /* can't have any more options */
#endif
case '-':
return _("embedded '-' among SysV options makes no sense");
break;
case '\0':
catastrophic_failure(__FILE__, __LINE__, _("please report this bug"));
break;
default:
return _("unsupported SysV option");
} /* switch */
} /* while */
return NULL;
}
