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Factor out some code in preparation for un-kmeming fstat(1).

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Sponsored by:	DARPA, NAI Labs
This commit is contained in:
Dag-Erling Smørgrav 2002-06-06 18:39:53 +00:00
parent badfdad910
commit 1f910d6cae
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=97946
1 changed files with 43 additions and 18 deletions
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61
usr.bin/fstat/fstat.c
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@ -136,8 +136,11 @@ int maxfiles;
maxfiles = (d); \
}
char *memf, *nlistf;
kvm_t *kd;
static void fstat_kvm(int, int);
static void fstat_sysctl(int, int);
void dofiles(struct kinfo_proc *kp);
void dommap(struct kinfo_proc *kp);
void vtrans(struct vnode *vp, int i, int flag);
@ -158,11 +161,7 @@ main(argc, argv)
char **argv;
{
struct passwd *passwd;
struct kinfo_proc *p, *plast;
int arg, ch, what;
char *memf, *nlistf;
char buf[_POSIX2_LINE_MAX];
int cnt;
arg = 0;
what = KERN_PROC_ALL;
@ -219,8 +218,6 @@ main(argc, argv)
exit(1);
}
ALLOC_OFILES(256); /* reserve space for file pointers */
if (fsflg && !checkfile) {
/* -f with no files means use wd */
if (getfname(".") == 0)
@ -228,6 +225,38 @@ main(argc, argv)
checkfile = 1;
}
if (memf != NULL)
fstat_kvm(what, arg);
else
fstat_sysctl(what, arg);
exit(0);
}
static void
print_header(void)
{
if (nflg)
printf("%s",
"USER CMD PID FD DEV INUM MODE SZ|DV R/W");
else
printf("%s",
"USER CMD PID FD MOUNT INUM MODE SZ|DV R/W");
if (checkfile && fsflg == 0)
printf(" NAME\n");
else
putchar('\n');
}
static void
fstat_kvm(int what, int arg)
{
struct kinfo_proc *p, *plast;
char buf[_POSIX2_LINE_MAX];
int cnt;
ALLOC_OFILES(256); /* reserve space for file pointers */
/*
* Discard setgid privileges if not the running kernel so that bad
* guys can't print interesting stuff from kernel memory.
@ -244,17 +273,6 @@ main(argc, argv)
#endif
if ((p = kvm_getprocs(kd, what, arg, &cnt)) == NULL)
errx(1, "%s", kvm_geterr(kd));
if (nflg)
printf("%s",
"USER CMD PID FD DEV INUM MODE SZ|DV R/W");
else
printf("%s",
"USER CMD PID FD MOUNT INUM MODE SZ|DV R/W");
if (checkfile && fsflg == 0)
printf(" NAME\n");
else
putchar('\n');
for (plast = &p[cnt]; p < plast; ++p) {
if (p->ki_stat == SZOMB)
continue;
@ -262,7 +280,14 @@ main(argc, argv)
if (mflg)
dommap(p);
}
exit(0);
}
static void
fstat_sysctl(int what, int arg)
{
/* not yet implemented */
fstat_kvm(what, arg);
}
const char *Uname, *Comm;