minix/lib/posix/_pathconf.c
2009-11-09 10:26:00 +00:00

28 lines
738 B
C

/* POSIX pathconf (Sec. 5.7.1) Author: Andy Tanenbaum */
#include <lib.h>
#define close _close
#define open _open
#define pathconf _pathconf
#include <fcntl.h>
#include <errno.h>
#include <unistd.h>
PUBLIC long pathconf(path, name)
_CONST char *path; /* name of file 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>.
*/
int fd;
long val;
if ( (fd = open(path, O_RDONLY)) < 0) return(-1L);
val = fpathconf(fd, name);
close(fd);
return(val);
}