diff options
| author | kraai <kraai@138bc75d-0d04-0410-961f-82ee72b054a4> | 2001-09-11 17:10:15 +0000 |
|---|---|---|
| committer | kraai <kraai@138bc75d-0d04-0410-961f-82ee72b054a4> | 2001-09-11 17:10:15 +0000 |
| commit | dabc40842c44313856b834fbe33dcca519c47a52 (patch) | |
| tree | 5692e3d51156c5517baec5f3be0c02fba991f66c | |
| parent | e76f35e8d4be0b7032d74033a0ebedc704134961 (diff) | |
| download | ppe42-gcc-dabc40842c44313856b834fbe33dcca519c47a52.tar.gz ppe42-gcc-dabc40842c44313856b834fbe33dcca519c47a52.zip | |
* builtins.c (c_strlen): Treat an offset too large for a
HOST_WIDE_INT as out of range.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@45550 138bc75d-0d04-0410-961f-82ee72b054a4
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/builtins.c | 4 |
2 files changed, 8 insertions, 1 deletions
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 <kraai@alumni.carnegiemellon.edu> + + * 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 <jh@suse.cz> * 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); |
