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Include definition for struct namecache (it isn't exported via any header)

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so this builds again. Replace hardcoded name length magic with NAME_MAX.
This commit is contained in:
Kelly Yancey 2002-01-02 06:25:39 +00:00
parent 8d2a504e49
commit f1d24f0dfd
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=88799
1 changed files with 19 additions and 3 deletions
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22
tools/diag/dumpvfscache/dumpvfscache.c
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@ -5,9 +5,11 @@
#include <fcntl.h>
#include <kvm.h>
#include <nlist.h>
#include <sysexits.h>
#include <sys/uio.h>
#include <sys/namei.h>
#include <sys/param.h>
#include <sys/queue.h>
#include <sys/time.h>
#include <sys/vnode.h>
/*----------------------------------*/
@ -18,6 +20,18 @@ static u_int crc16_table[16] = {
0x5000, 0x9C01, 0x8801, 0x4400
};
/* XXX Taken from sys/kern/vfs_cache.c */
struct namecache {
LIST_ENTRY(namecache) nc_hash;
LIST_ENTRY(namecache) nc_src;
TAILQ_ENTRY(namecache) nc_dst;
struct vnode *nc_dvp;
struct vnode *nc_vp;
u_char nc_flag;
u_char nc_nlen;
char nc_name[0];
};
static u_short
wlpsacrc(u_char *buf, u_int len)
{
@ -59,14 +73,16 @@ main(int argc, char **argv)
struct namecache *nc;
struct vnode vn;
kvm_t *kvm = kvm_open(0, 0, 0, O_RDONLY, 0);
kvm_t *kvm = kvm_open(NULL, NULL, NULL, O_RDONLY, argv[0]);
if (kvm == NULL)
return(EX_OSERR);
printf("kvm: %p\n", kvm);
printf("kvm_nlist: %d\n", kvm_nlist(kvm, nl));
kvm_read(kvm, nl[0].n_value, &nchash, sizeof nchash);
nchash++;
nchashtbl = malloc(nchash * sizeof *nchashtbl);
nc = malloc(sizeof *nc + 400);
nc = malloc(sizeof *nc + NAME_MAX);
newbucket = malloc(nchash * sizeof (int));
memset(newbucket, 0, nchash * sizeof (int));
kvm_read(kvm, nl[1].n_value, &p, sizeof p);
@ -79,7 +95,7 @@ main(int argc, char **argv)
p = (u_long)LIST_FIRST(nchashtbl+i);
while (p) {
nb++;
kvm_read(kvm, p, nc, sizeof *nc + 400);
kvm_read(kvm, p, nc, sizeof *nc + NAME_MAX);
kvm_read(kvm, (u_long)nc->nc_dvp, &vn, sizeof vn);
nc->nc_name[nc->nc_nlen] = '\0';
for (j=k=kn=0;nc->nc_name[j];j++) {