Put print/keyword routines into separate modules; delete attime.c, use

[unix-history] / usr / src / bin / ps / nlist.c

/*-
* Copyright (c) 1990 The Regents of the University of California.
* All rights reserved.
*
* %sccs.include.redist.c%
*/

#ifndef lint
static char sccsid[] = "@(#)nlist.c     5.1 (Berkeley) %G%";
#endif /* not lint */

#include <sys/types.h>
#include <nlist.h>
#include <errno.h>
#include <stdio.h>

struct  nlist psnl[] = {
       {"_ecmx"},
#define X_ECMX          0
       {"_fscale"},
#define X_FSCALE        1
       {"_ccpu"},
#define X_CCPU          2
       {NULL}
};

fixpt_t ccpu;                           /* kernel _ccpu variable */
int     nlistread;                      /* if nlist already read. */
int     ecmx;                           /* kernel _ecmx variable */
int     fscale;                         /* kernel _fscale variable */

#define kread(x, v) \
       kvm_read(psnl[x].n_value, (char *)&v, sizeof v) != sizeof(v)

donlist()
{
       extern int eval;
       int rval;

       rval = 0;
       nlistread = 1;
       if (kvm_nlist(psnl)) {
               (void)fprintf(stderr, "ps: kvm_nlist: %s\n", strerror(errno));
               eval = 1;
               return(1);
       }
       if (kread(X_FSCALE, fscale)) {
               (void)fprintf(stderr, "ps: fscale: %s\n", kvm_geterr());
               eval = rval = 1;
       }
       if (kread(X_ECMX, ecmx)) {
               (void)fprintf(stderr, "ps: ecmx: %s\n", kvm_geterr());
               eval = rval = 1;
       }
       if (kread(X_CCPU, ccpu)) {
               (void)fprintf(stderr, "ps: ccpu: %s\n", kvm_geterr());
               eval = rval = 1;
       }
       return(rval);
}