From 1de3d8770533641f8e210ffc681824e0da2e7ec7 Mon Sep 17 00:00:00 2001 From: Matt Kraai Date: Tue, 11 Sep 2001 17:10:15 +0000 Subject: [PATCH] builtins.c (c_strlen): Treat an offset too large for a HOST_WIDE_INT as out of range. * builtins.c (c_strlen): Treat an offset too large for a HOST_WIDE_INT as out of range. From-SVN: r45550 --- gcc/ChangeLog | 5 +++++ gcc/builtins.c | 4 +++- 2 files changed, 8 insertions(+), 1 deletion(-) diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 74f3fe36b59..25bf3ba5d56 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2001-10-11 Matt Kraai + + * builtins.c (c_strlen): Treat an offset too large for a + HOST_WIDE_INT as out of range. + Tue Sep 11 18:57:47 CEST 2001 Jan Hubicka * basic-block.h (EDGE_CRITICAL): Remove; renumber other flags. diff --git a/gcc/builtins.c b/gcc/builtins.c index 7cd7e899113..025dd2c5902 100644 --- a/gcc/builtins.c +++ b/gcc/builtins.c @@ -265,8 +265,10 @@ c_strlen (src) /* We have a known offset into the string. Start searching there for a null character if we can represent it as a single HOST_WIDE_INT. */ - if (offset_node == 0 || ! host_integerp (offset_node, 0)) + if (offset_node == 0) offset = 0; + else if (! host_integerp (offset_node, 0)) + offset = -1; else offset = tree_low_cst (offset_node, 0);