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top(1): Implement long options

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This also documents some reserved or differing options from top's
original upstream.
This commit is contained in:
eadler 2018-06-09 21:40:24 +00:00
parent 69a4356acd
commit 996ff47baf
1 changed files with 29 additions and 1 deletions
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30
usr.bin/top/top.c
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@ -21,6 +21,7 @@
#include <time.h>
#include <errno.h>
#include <getopt.h>
#include <jail.h>
#include <stdbool.h>
#include <stdio.h>
@ -86,6 +87,33 @@ static void (*d_process)(int line, char *thisline) = i_process;
static void reset_display(void);
static const struct option longopts[] = {
{ "cpu-display-mode", no_argument, NULL, 'C' }, /* differs from orignal */
/* D reserved */
{ "thread", no_argument, NULL, 'H' },
{ "idle-procs", no_argument, NULL, 'I' },
{ "system-procs", no_argument, NULL, 'S' },
{ "thread-id", no_argument, NULL, 'T' }, /* differs from orignal */
{ "user", required_argument, NULL, 'U' },
{ "all", no_argument, NULL, 'a' },
{ "batch", no_argument, NULL, 'b' },
/* c reserved */
{ "displays", required_argument, NULL, 'd' },
{ "interactive", no_argument, NULL, 'i' },
{ "jail-id", no_argument, NULL, 'j' },
{ "display-mode", required_argument, NULL, 'm' },
/* n is identical to batch */
{ "sort-order", required_argument, NULL, 'o' },
{ "pid", required_argument, NULL, 'p' },
{ "quick", no_argument, NULL, 'q' },
{ "delay", required_argument, NULL, 's' },
{ "threads", no_argument, NULL, 't' },
{ "uids", no_argument, NULL, 'u' },
{ "version", no_argument, NULL, 'v' },
{ "system-idle-procs", no_argument, NULL, 'z' }
};
static void
reset_uids(void)
{
@ -328,7 +356,7 @@ _Static_assert(sizeof(command_chars) == CMD_toggletid + 2, "command chars size")
optind = 1;
}
while ((i = getopt(ac, av, "CSIHPabijJ:nquvzs:d:U:m:o:p:Ttw")) != EOF)
while ((i = getopt_long(ac, av, "CSIHPabijJ:nquvzs:d:U:m:o:p:Ttw", longopts, NULL)) != EOF)
{
switch(i)
{