diff options
Diffstat (limited to 'sysdeps/mach/hurd/f_setlk.c')
| -rw-r--r-- | sysdeps/mach/hurd/f_setlk.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/sysdeps/mach/hurd/f_setlk.c b/sysdeps/mach/hurd/f_setlk.c index 718af67e32..edfb292dbf 100644 --- a/sysdeps/mach/hurd/f_setlk.c +++ b/sysdeps/mach/hurd/f_setlk.c @@ -19,6 +19,7 @@ #include <sys/types.h> #include <sys/file.h> #include <fcntl.h> +#include <unistd.h> #include <errno.h> /* XXX @@ -45,6 +46,18 @@ __f_setlk (int fd, int type, int whence, __off64_t start, __off64_t len, int wai if (cmd != LOCK_UN && wait == 0) cmd |= LOCK_NB; + if (whence == SEEK_CUR) + { + /* In case the target position is 0, we can support it below. */ + __off64_t cur = __lseek64 (fd, 0, SEEK_CUR); + + if (cur >= 0) + { + start = cur + start; + whence = SEEK_SET; + } + } + switch (whence) { case SEEK_SET: |