From 4c12e5c94a45e791b788caa0c2acfd7abe2f7b15 Mon Sep 17 00:00:00 2001 From: Carmelo Amoroso Date: Thu, 18 Sep 2008 15:06:24 +0000 Subject: Fix posix_fadvise[64] functions to return the error number in case of failure instead of -1 and setting errno, according to SuSv3 (IEEE Std 1003.1 2004 edition) specification. Signed-off-by: Filippo Arcidiacono Signed-off-by: Carmelo Amoroso --- libc/sysdeps/linux/common/posix_fadvise.c | 14 ++++++++++++-- 1 file changed, 12 insertions(+), 2 deletions(-) (limited to 'libc/sysdeps/linux/common/posix_fadvise.c') diff --git a/libc/sysdeps/linux/common/posix_fadvise.c b/libc/sysdeps/linux/common/posix_fadvise.c index 45734f9b2..95aa4d27b 100644 --- a/libc/sysdeps/linux/common/posix_fadvise.c +++ b/libc/sysdeps/linux/common/posix_fadvise.c @@ -33,8 +33,18 @@ int posix_fadvise(int fd, off_t offset, off_t len, int advice) return 0; } #else -_syscall4(int, posix_fadvise, int, fd, off_t, offset, - off_t, len, int, advice); +static __inline__ int syscall_posix_fadvise(int fd, off_t offset1, off_t offset2, off_t len, int advice); +#define __NR_syscall_posix_fadvise __NR_fadvise64 +_syscall5(int, syscall_posix_fadvise, int, fd, off_t, offset1, + off_t, offset2, off_t, len, int, advice); + +int posix_fadvise(int fd, off_t offset, off_t len, int advice) +{ + int ret = syscall_posix_fadvise(fd, __LONG_LONG_PAIR (offset >> 31, offset), len, advice); + if (ret == -1) + return errno; + return ret; +} #endif -- cgit v1.2.3