X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=src%2Fstdio%2F__stdio_seek.c;h=35ae788cd1aface51136b4d53ffa6e493e98a37d;hb=bf619d82c82052741323aa63c107fbd346c8aaba;hp=fdb9fe7f2ff086ee364065fa68506c0b6eed1563;hpb=0b44a0315b47dd8eced9f3b7f31580cf14bbfc01;p=musl

diff --git a/src/stdio/__stdio_seek.c b/src/stdio/__stdio_seek.c
index fdb9fe7f..35ae788c 100644
--- a/src/stdio/__stdio_seek.c
+++ b/src/stdio/__stdio_seek.c
@@ -2,14 +2,20 @@
 
 static off_t retneg1(FILE *f, off_t off, int whence)
 {
+	errno = ESPIPE;
 	return -1;
 }
 
 off_t __stdio_seek(FILE *f, off_t off, int whence)
 {
-	off_t ret = __syscall_lseek(f->fd, off, whence);
+	off_t ret;
+#ifdef SYS__llseek
+	if (syscall(SYS__llseek, f->fd, off>>32, off, &ret, whence)<0)
+		ret = -1;
+#else
+	ret = syscall(SYS_lseek, f->fd, off, whence);
+#endif
 	/* Detect unseekable files and optimize future failures out */
-	if (ret < 0 && off == 0 && whence == SEEK_CUR)
-		f->seek = retneg1;
+	if (ret < 0 && errno == ESPIPE) f->seek = retneg1;
 	return ret;
 }