In ltp testcase sendfile08.c, it use offset=NULL to test the api.
PATCH V2:
fixup the stupid missing check in the end. Sorry for lose test.
See "man sendfile" and it really support offset is NULL.
Signed-off-by: Guo Ren <ren_...@c-sky.com>
---
libc/sysdeps/linux/common/sendfile.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/libc/sysdeps/linux/common/sendfile.c
b/libc/sysdeps/linux/common/sendfile.c
index af05ba4..f0372c1 100644
--- a/libc/sysdeps/linux/common/sendfile.c
+++ b/libc/sysdeps/linux/common/sendfile.c
@@ -40,7 +40,7 @@ ssize_t sendfile(int out_fd, int in_fd, __off_t *offset,
size_t count)
return -1;
}
- if (offset == NULL || (int)offset < 0) {
+ if ((int)offset < 0) {
__set_errno(EFAULT);
return -1;
}
@@ -54,7 +54,7 @@ ssize_t sendfile(int out_fd, int in_fd, __off_t *offset,
size_t count)
res = INLINE_SYSCALL(sendfile64, 4, out_fd, in_fd, off, count);
- if (res >= 0)
+ if (res >= 0 && offset != NULL)
*offset = off64;
return res;
--
2.7.4
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