From 9a1793289b08339660985cb2baada60debc70bf2 Mon Sep 17 00:00:00 2001 From: Andreas Schwab Date: Sun, 28 Jan 2018 18:48:04 +0100 Subject: Reject invalid definitions of _POSIX_CHOWN_RESTRICTED, _POSIX_NO_TRUNC, _POSIX_VDISABLE POSIX requires that the constants _POSIX_CHOWN_RESTRICTED, _POSIX_NO_TRUNC, and _POSIX_VDISABLE are always defined to a value other than -1. --- sysdeps/posix/pathconf.c | 21 +++++++++------------ 1 file changed, 9 insertions(+), 12 deletions(-) (limited to 'sysdeps/posix/pathconf.c') diff --git a/sysdeps/posix/pathconf.c b/sysdeps/posix/pathconf.c index 2059e55..0f893ec 100644 --- a/sysdeps/posix/pathconf.c +++ b/sysdeps/posix/pathconf.c @@ -101,25 +101,22 @@ __pathconf (const char *path, int name) #endif case _PC_CHOWN_RESTRICTED: -#ifdef _POSIX_CHOWN_RESTRICTED - return _POSIX_CHOWN_RESTRICTED; -#else - return -1; +#if _POSIX_CHOWN_RESTRICTED == -1 +# error "Invalid value for _POSIX_CHOWN_RESTRICTED" #endif + return _POSIX_CHOWN_RESTRICTED; case _PC_NO_TRUNC: -#ifdef _POSIX_NO_TRUNC - return _POSIX_NO_TRUNC; -#else - return -1; +#if _POSIX_NO_TRUNC == -1 +# error "Invalid value for _POSIX_NO_TRUNC" #endif + return _POSIX_NO_TRUNC; case _PC_VDISABLE: -#ifdef _POSIX_VDISABLE - return _POSIX_VDISABLE; -#else - return -1; +#if _POSIX_VDISABLE == -1 +# error "Invalid value for _POSIX_VDISABLE" #endif + return _POSIX_VDISABLE; case _PC_SYNC_IO: #ifdef _POSIX_SYNC_IO -- cgit v1.1