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#include "lib9.h"
#include <sys/types.h>
#include <sys/stat.h>
#include <pwd.h>
#include <grp.h>
static char nullstring[] = "";
static char Enovmem[] = "out of memory";
static Dir*
statconv(struct stat *s, char *name)
{
struct passwd *p;
struct group *g;
Dir *dir;
int str;
char *n;
str = 0;
p = getpwuid(s->st_uid);
if(p)
str += strlen(p->pw_name)+1;
g = getgrgid(s->st_gid);
if(g)
str += strlen(g->gr_name)+1;
dir = malloc(sizeof(Dir)+str);
if(dir == nil){
werrstr(Enovmem);
return nil;
}
n = (char*)dir+sizeof(Dir);
dir->name = name;
dir->uid = dir->gid = dir->muid = nullstring;
if(p){
dir->uid = n;
strcpy(n, p->pw_name);
n += strlen(p->pw_name)+1;
}
if(g){
dir->gid = n;
strcpy(n, g->gr_name);
}
dir->qid.type = S_ISDIR(s->st_mode)? QTDIR: QTFILE;
dir->qid.path = s->st_ino;
dir->qid.vers = s->st_mtime;
dir->mode = (dir->qid.type<<24)|(s->st_mode&0777);
dir->atime = s->st_atime;
dir->mtime = s->st_mtime;
dir->length = s->st_size;
dir->dev = s->st_dev;
dir->type = S_ISFIFO(s->st_mode)? '|': 'M';
return dir;
}
Dir*
dirfstat(int fd)
{
struct stat sbuf;
if(fstat(fd, &sbuf) < 0)
return nil;
return statconv(&sbuf, nullstring);
}
Dir*
dirstat(char *f)
{
struct stat sbuf;
char *p;
if(stat(f, &sbuf) < 0)
return nil;
p = strrchr(f, '/');
if(p)
p++;
else
p = nullstring;
return statconv(&sbuf, p);
}
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