Don't use fseeko() to obtain the file offset.

I was a bit confused with lseek(), which returns the new offset. We
should ftello() to obtain it using stdio.

1 files changed, 1 insertions, 1 deletions

diff --git a/lib/libc/gen/pututxline.c b/lib/libc/gen/pututxline.c
index 8c2e91d..c0440df 100644
--- a/lib/libc/gen/pututxline.c
+++ b/lib/libc/gen/pututxline.c
@@ -96,7 +96,7 @@ utx_active_add(const struct futx *fu)
 		default:
 			/* Allow us to overwrite unused records. */
 			if (partial == -1)
-				partial = fseeko(fp, 0, SEEK_CUR) - sizeof fe;
+				partial = ftello(fp) - sizeof fe;
 			break;
 		}
 	}