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| author | Matt Kraai <kraai@alumni.carnegiemellon.edu> | 2001-09-11 17:10:15 +0000 |
|---|---|---|
| committer | Matt Kraai <kraai@gcc.gnu.org> | 2001-09-11 17:10:15 +0000 |
| commit | 1de3d8770533641f8e210ffc681824e0da2e7ec7 (patch) | |
| tree | 5692e3d51156c5517baec5f3be0c02fba991f66c /gcc | |
| parent | 4262e6231adab0ff8a3da565bf620037ce9b1343 (diff) | |
| download | gcc-1de3d8770533641f8e210ffc681824e0da2e7ec7.zip gcc-1de3d8770533641f8e210ffc681824e0da2e7ec7.tar.gz gcc-1de3d8770533641f8e210ffc681824e0da2e7ec7.tar.bz2 | |
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
Diffstat (limited to 'gcc')
| -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 74f3fe3..25bf3ba 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 7cd7e89..025dd2c 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); |