diff options
Diffstat (limited to 'src/unistd/lseek.c')
-rw-r--r-- | src/unistd/lseek.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/src/unistd/lseek.c b/src/unistd/lseek.c new file mode 100644 index 0000000..0dab267 --- /dev/null +++ b/src/unistd/lseek.c @@ -0,0 +1,16 @@ +#include <unistd.h> +#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); |