From 7becd9d708425924f3a402fdd3c6e18ba2a7e4e3 Mon Sep 17 00:00:00 2001 From: Eric Blake Date: Sat, 7 Nov 2009 16:03:38 -0700 Subject: fflush, freadseek: use fseeko, not fseek Follow our own advice: fseek is not safe to use on large files. * lib/fflush.c (clear_ungetc_buffer_preserving_position) (clear_ungetc_buffer): Avoid potential problems on large files. * lib/freadseek.c (freadseek): Likewise. * modules/freadseek (Depends-on): Add fseeko. * modules/fseek (configure.ac): Set a witness. * tests/test-fflush.c (main): Use fseeko. * tests/test-fpurge.c (fseek): Disable link warning. * tests/test-freadable.c (fseek): Likewise. * tests/test-freading.c (fseek): Likewise. * tests/test-fseeko.c (fseek): Likewise. * tests/test-ftell.c (fseek): Likewise. * tests/test-ftello.c (fseek): Likewise. * tests/test-fwritable.c (fseek): Likewise. * tests/test-fwriting.c (fseek): Likewise. Signed-off-by: Eric Blake --- tests/test-fflush.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'tests/test-fflush.c') diff --git a/tests/test-fflush.c b/tests/test-fflush.c index 3a17f8d475..3afdf7bd69 100644 --- a/tests/test-fflush.c +++ b/tests/test-fflush.c @@ -59,7 +59,7 @@ main (void) } #endif /* POSIX requires fflush-fseek to set file offset of fd. */ - if (fflush (f) != 0 || fseek (f, 0, SEEK_CUR) != 0) + if (fflush (f) != 0 || fseeko (f, 0, SEEK_CUR) != 0) { fputs ("Failed to flush-fseek sample file.\n", stderr); fclose (f); -- cgit v1.2.1