From 0b44a0315b47dd8eced9f3b7f31580cf14bbfc01 Mon Sep 17 00:00:00 2001 From: Rich Felker Date: Sat, 12 Feb 2011 00:22:29 -0500 Subject: initial check-in, version 0.5.0 --- src/unistd/lseek.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) create mode 100644 src/unistd/lseek.c (limited to 'src/unistd/lseek.c') diff --git a/src/unistd/lseek.c b/src/unistd/lseek.c new file mode 100644 index 00000000..0dab2679 --- /dev/null +++ b/src/unistd/lseek.c @@ -0,0 +1,16 @@ +#include +#include "syscall.h" +#include "libc.h" + +off_t lseek(int fd, off_t offset, int whence) +{ + /* optimized away at compiletime */ + if (sizeof(long) == 8) + return syscall3(__NR_lseek, fd, offset, whence); + else { + off_t result; + return syscall5(__NR__llseek, fd, offset>>32, offset, (long)&result, whence) ? -1 : result; + } +} + +LFS64(lseek); -- cgit v1.2.1