ref: ff2ebe6cfdacd890a74a6d2f9b0acd062d2633b7
dir: /sys/src/ape/lib/ap/posix/pathconf.c/
#include <unistd.h> #include <limits.h> #include <errno.h> #include <sys/limits.h> long pathconf(const char *, int name) { #pragma ref path switch(name) { case _PC_LINK_MAX: return LINK_MAX; case _PC_MAX_CANON: return MAX_CANON; case _PC_MAX_INPUT: return MAX_INPUT; case _PC_NAME_MAX: return NAME_MAX; case _PC_PATH_MAX: return PATH_MAX; case _PC_PIPE_BUF: return PIPE_BUF; case _PC_CHOWN_RESTRICTED: #ifdef _POSIX_CHOWN_RESTRICTED return _POSIX_CHOWN_RESTRICTED; #else return -1; #endif case _PC_NO_TRUNC: #ifdef _POSIX_NO_TRUNC return _POSIX_NO_TRUNC; #else return -1; #endif case _PC_VDISABLE: #ifdef _POSIX_VDISABLE return _POSIX_VDISABLE; #else return -1; #endif } errno = EINVAL; return -1; } long fpathconf(int, int name) { return pathconf(0, name); }