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Introduce kdevtoname, which when given the kernel address of a

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cdev structure, returns the device name associated with it through
the __si_namebuf member. This un-breaks the processing of devices.

This is a RELENG_6 candidate.

Reviewed by:	phk
This commit is contained in:
Christian S.J. Peron 2005-07-30 20:00:13 +00:00
parent fbd228be2b
commit a4cdc0452a
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=148573
1 changed files with 16 additions and 4 deletions
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20
usr.bin/fstat/fstat.c
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@ -154,7 +154,7 @@ void socktrans(struct socket *sock, int i);
void getinetproto(int number);
int getfname(const char *filename);
void usage(void);
char *kdevtoname(struct cdev *dev);
int
main(int argc, char **argv)
@ -472,6 +472,16 @@ dommap(struct kinfo_proc *kp)
}
}
char *
kdevtoname(struct cdev *dev)
{
struct cdev si;
if (!KVM_READ(dev, &si, sizeof si))
return (NULL);
return (strdup(si.__si_namebuf));
}
void
vtrans(struct vnode *vp, int i, int flag)
{
@ -555,11 +565,13 @@ vtrans(struct vnode *vp, int i, int flag)
case VCHR: {
char *name;
if (nflg || ((name = devname(fst.rdev, vn.v_type == VCHR ?
S_IFCHR : S_IFBLK)) == NULL))
name = kdevtoname(vn.v_rdev);
if (nflg || !name)
printf(" %2d,%-2d", major(fst.rdev), minor(fst.rdev));
else
else {
printf(" %6s", name);
free(name);
}
break;
}
default: