1 /* POSIX pathconf (Sec. 5.7.1) Author: Andy Tanenbaum */ 2 3 #include <sys/cdefs.h> 4 #include "namespace.h" 5 #include <lib.h> 6 7 #include <fcntl.h> 8 #include <errno.h> 9 #include <unistd.h> 10 11 long pathconf(path, name) 12 const char *path; /* name of file being interrogated */ 13 int name; /* property being inspected */ 14 { 15 /* POSIX allows some of the values in <limits.h> to be increased at 16 * run time. The pathconf and fpathconf functions allow these values 17 * to be checked at run time. MINIX does not use this facility. 18 * The run-time limits are those given in <limits.h>. 19 */ 20 21 int fd; 22 long val; 23 24 if ( (fd = open(path, O_RDONLY)) < 0) return(-1L); 25 val = fpathconf(fd, name); 26 close(fd); 27 return(val); 28 } 29