static void
pathinfo (char *path)
{
int fd;
struct stat sb;
dev_t dev;
char cwd[PATH_MAX+1];
char buf[2*PATH_MAX+3];
char res[3*PATH_MAX+40];
char *rp;
FILE *dfpipe;
if (chdir (path) < 0
|| (fd = open (".", O_RDONLY)) < 0
|| fstat (fd, &sb) < 0)
fperror (path);
dev = sb.st_dev;
if (!getcwd (cwd, sizeof (cwd)))
fperror ("getcwd");
strcpy (buf, cwd);
while ((rp = strrchr (buf, '/'))) {
rp[1] = '\0';
if (stat (buf, &sb) < 0)
fperror (buf);
if (sb.st_dev != dev) {
if (!(rp = strchr (cwd + (rp - buf) + 1, '/')))
rp = "/";
break;
}
rp[0] = '\0';
}
if (!rp)
rp = cwd;
dfpipe = popen (PATH_DF
#ifdef DF_NEEDS_DASH_K
" -k"
#endif /* DF_NEEDS_DASH_K */
" . | sed -ne '2s/ .*//; 2p'", "r");
if (!dfpipe || !fgets (buf, sizeof (buf) - 1, dfpipe)
|| pclose (dfpipe) < 0)
fperror (PATH_DF);
if (!strchr (buf, '\n'))
strcat (buf, "\n");
sprintf (res, "0x%" U64F "x\n%s%s\n", (u_int64_t) dev, buf, rp);
if (isunixsocket (1) < 0) {
int i = write (1, res, strlen (res));
i++;
} else
writefd (1, res, strlen (res), fd);
}
void fperror_and_die(int exit_code, const char *s, ...)
{
va_list p;
fperror(s, p);
exit(exit_code);
}
int
main (int argc, char **argv)
{
int ch;
if ((progname = strrchr (argv[0], '/')))
progname++;
else
progname = argv[0];
while ((ch = getopt (argc, argv, "u:")) != -1)
switch (ch) {
case 'u':
if (setuid (atoi (optarg)) < 0)
fperror ("setuid");
break;
default:
usage ();
}
argc -= optind;
argv += optind;
if (argc != 1)
usage ();
pathinfo (argv[0]);
exit (0);
}
int
add_to_iob(struct client_state *csp, char *buf, int n)
{
struct iob *iob = csp->iob;
int have, need;
char *p;
have = iob->eod - iob->cur;
if(n <= 0) return(have);
need = have + n;
if((p = malloc(need + 1)) == NULL) {
fprintf(logfp, "%s: malloc() iob failed\n", prog);
fperror(logfp, "");
return(-1);
}
if(have) {
/* there is something in the buffer - save it */
memcpy(p, iob->cur, have);
/* replace the buffer with the new space */
freez(iob->buf);
iob->buf = p;
/* point to the end of the data */
p += have;
} else {
/* the buffer is empty, free it and reinitialize */
freez(iob->buf);
iob->buf = p;
}
/* copy the new data into the iob buffer */
memcpy(p, buf, n);
/* point to the end of the data */
p += n ;
/* null terminate == cheap insurance */
*p = '\0';
/* set the pointers to the new values */
iob->cur = iob->buf;
iob->eod = p;
return(need);
}
