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Change "struct varent" to use the standard queue(8) macros, instead of

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using it's own version of the same basic algorithm.

Submitted by:	part by Cyrille Lefevre, part of it done by me
This commit is contained in:
Garance A Drosehn 2004-06-23 23:48:09 +00:00
parent 238b367c61
commit bdf8ab4692
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=130999
5 changed files with 25 additions and 32 deletions
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2
bin/ps/extern.h
View File

@ -40,7 +40,7 @@ extern int cflag, eval, fscale, nlistread, rawcpu;
extern unsigned long mempages;
extern time_t now;
extern int sumrusage, termwidth, totwidth;
extern VARENT *vhead;
extern STAILQ_HEAD(velisthead, varent) varlist;
__BEGIN_DECLS
void arguments(KINFO *, VARENT *);

11
bin/ps/keyword.c
View File

@ -235,7 +235,6 @@ showkey(void)
void
parsefmt(const char *p, int user)
{
static struct varent *vtail;
char *tempstr, *tempstr1;
#define FMTSEP " \t,\n"
@ -282,16 +281,10 @@ parsefmt(const char *p, int user)
if (vent->var == NULL)
errx(1, "malloc failed");
memcpy(vent->var, v, sizeof(*vent->var));
vent->next = NULL;
if (vhead == NULL)
vhead = vtail = vent;
else {
vtail->next = vent;
vtail = vent;
}
STAILQ_INSERT_TAIL(&varlist, vent, next_ve);
}
free(tempstr1);
if (!vhead) {
if (STAILQ_EMPTY(&varlist)) {
warnx("no valid keywords; valid keywords:");
showkey();
exit(1);

26
bin/ps/print.c
View File

@ -69,26 +69,23 @@ printheader(void)
{
VAR *v;
struct varent *vent;
int allempty;
allempty = 1;
for (vent = vhead; vent; vent = vent->next)
if (*vent->header != '\0') {
allempty = 0;
STAILQ_FOREACH(vent, &varlist, next_ve)
if (*vent->header != '\0')
break;
}
if (allempty)
if (!vent)
return;
for (vent = vhead; vent; vent = vent->next) {
STAILQ_FOREACH(vent, &varlist, next_ve) {
v = vent->var;
if (v->flag & LJUST) {
if (vent->next == NULL) /* last one */
if (STAILQ_NEXT(vent, next_ve) == NULL) /* last one */
(void)printf("%s", vent->header);
else
(void)printf("%-*s", v->width, vent->header);
} else
(void)printf("%*s", v->width, vent->header);
if (vent->next != NULL)
if (STAILQ_NEXT(vent, next_ve) != NULL)
(void)putchar(' ');
}
(void)putchar('\n');
@ -105,7 +102,7 @@ arguments(KINFO *k, VARENT *ve)
if ((vis_args = malloc(strlen(k->ki_args) * 4 + 1)) == NULL)
errx(1, "malloc failed");
strvis(vis_args, k->ki_args, VIS_TAB | VIS_NL | VIS_NOSLASH);
if (ve->next == NULL) {
if (STAILQ_NEXT(ve, next_ve) == NULL) {
/* last field */
if (termwidth == UNLIMITED) {
(void)printf("%s", vis_args);
@ -131,7 +128,8 @@ command(KINFO *k, VARENT *ve)
v = ve->var;
if (cflag) {
if (ve->next == NULL) /* last field, don't pad */
/* If it is the last field, then don't pad */
if (STAILQ_NEXT(ve, next_ve) == NULL)
(void)printf("%s", k->ki_p->ki_comm);
else
(void)printf("%-*s", v->width, k->ki_p->ki_comm);
@ -147,7 +145,7 @@ command(KINFO *k, VARENT *ve)
} else
vis_env = NULL;
if (ve->next == NULL) {
if (STAILQ_NEXT(ve, next_ve) == NULL) {
/* last field */
if (termwidth == UNLIMITED) {
if (vis_env)
@ -180,7 +178,7 @@ ucomm(KINFO *k, VARENT *ve)
VAR *v;
v = ve->var;
if (ve->next == NULL) /* last field, don't pad */
if (STAILQ_NEXT(ve, next_ve) == NULL) /* last field, don't pad */
(void)printf("%s", k->ki_p->ki_comm);
else
(void)printf("%-*s", v->width, k->ki_p->ki_comm);

14
bin/ps/ps.c
View File

@ -98,7 +98,7 @@ int sumrusage; /* -S */
int termwidth; /* Width of the screen (0 == infinity). */
int totwidth; /* Calculated-width of requested variables. */
struct varent *vhead;
struct velisthead varlist = STAILQ_HEAD_INITIALIZER(varlist);
static int forceuread = DEF_UREAD; /* Do extra work to get u-area. */
static kvm_t *kd;
@ -600,9 +600,9 @@ main(int argc, char *argv[])
* For each process, call each variable output function.
*/
for (i = lineno = 0; i < nkept; i++) {
for (vent = vhead; vent; vent = vent->next) {
STAILQ_FOREACH(vent, &varlist, next_ve) {
(vent->var->oproc)(&kinfo[i], vent);
if (vent->next != NULL)
if (STAILQ_NEXT(vent, next_ve) != NULL)
(void)putchar(' ');
}
(void)putchar('\n');
@ -886,7 +886,7 @@ find_varentry(VAR *v)
{
struct varent *vent;
for (vent = vhead; vent; vent = vent->next) {
STAILQ_FOREACH(vent, &varlist, next_ve) {
if (strcmp(vent->var->name, v->name) == 0)
return vent;
}
@ -899,7 +899,7 @@ scanvars(void)
struct varent *vent;
VAR *v;
for (vent = vhead; vent; vent = vent->next) {
STAILQ_FOREACH(vent, &varlist, next_ve) {
v = vent->var;
if (v->flag & DSIZ) {
v->dwidth = v->width;
@ -919,7 +919,7 @@ dynsizevars(KINFO *ki)
VAR *v;
int i;
for (vent = vhead; vent; vent = vent->next) {
STAILQ_FOREACH(vent, &varlist, next_ve) {
v = vent->var;
if (!(v->flag & DSIZ))
continue;
@ -938,7 +938,7 @@ sizevars(void)
VAR *v;
int i;
for (vent = vhead; vent; vent = vent->next) {
STAILQ_FOREACH(vent, &varlist, next_ve) {
v = vent->var;
i = strlen(vent->header);
if (v->width < i)

4
bin/ps/ps.h
View File

@ -30,6 +30,8 @@
* $FreeBSD$
*/
#include <sys/queue.h>
#define UNLIMITED 0 /* unlimited terminal width */
enum type { CHAR, UCHAR, SHORT, USHORT, INT, UINT, LONG, ULONG, KPTR, PGTOK };
@ -44,8 +46,8 @@ typedef struct kinfo {
/* Variables. */
typedef struct varent {
STAILQ_ENTRY(varent) next_ve;
const char *header;
struct varent *next;
struct var *var;
} VARENT;