4f294c247f
This patch mainly copies and modifies files existing in the current libc implementing minix specific functions. To keep consisten with the NetBSD libc, we remove namespace stubs and we use "namespace.h" and weak links.
67 lines
1.4 KiB
C
67 lines
1.4 KiB
C
/* POSIX fpathconf (Sec. 5.7.1) Author: Andy Tanenbaum */
|
|
|
|
#include <sys/cdefs.h>
|
|
#include "namespace.h"
|
|
#include <lib.h>
|
|
|
|
#include <sys/stat.h>
|
|
#include <errno.h>
|
|
#include <limits.h>
|
|
#include <unistd.h>
|
|
#include <termios.h>
|
|
|
|
#ifdef __weak_alias
|
|
__weak_alias(fpathconf, _fpathconf)
|
|
#endif
|
|
|
|
PUBLIC long fpathconf(fd, name)
|
|
int fd; /* file descriptor being interrogated */
|
|
int name; /* property being inspected */
|
|
{
|
|
/* POSIX allows some of the values in <limits.h> to be increased at
|
|
* run time. The pathconf and fpathconf functions allow these values
|
|
* to be checked at run time. MINIX does not use this facility.
|
|
* The run-time limits are those given in <limits.h>.
|
|
*/
|
|
|
|
struct stat stbuf;
|
|
|
|
switch(name) {
|
|
case _PC_LINK_MAX:
|
|
/* Fstat the file. If that fails, return -1. */
|
|
if (fstat(fd, &stbuf) != 0) return(-1);
|
|
if (S_ISDIR(stbuf.st_mode))
|
|
return(1L); /* no links to directories */
|
|
else
|
|
return( (long) LINK_MAX);
|
|
|
|
case _PC_MAX_CANON:
|
|
return( (long) MAX_CANON);
|
|
|
|
case _PC_MAX_INPUT:
|
|
return( (long) MAX_INPUT);
|
|
|
|
case _PC_NAME_MAX:
|
|
return( (long) NAME_MAX);
|
|
|
|
case _PC_PATH_MAX:
|
|
return( (long) PATH_MAX);
|
|
|
|
case _PC_PIPE_BUF:
|
|
return( (long) PIPE_BUF);
|
|
|
|
case _PC_CHOWN_RESTRICTED:
|
|
return( (long) _POSIX_CHOWN_RESTRICTED);
|
|
|
|
case _PC_NO_TRUNC:
|
|
return( (long) _POSIX_NO_TRUNC);
|
|
|
|
case _PC_VDISABLE:
|
|
return( (long) _POSIX_VDISABLE);
|
|
|
|
default:
|
|
errno = EINVAL;
|
|
return(-1);
|
|
}
|
|
}
|