diff options
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/builtins.c | 6 |
2 files changed, 9 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 6921898..b1a193a 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2003-05-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * builtins.c (expand_builtin_stpcpy): Copy `arglist' before + modifying it. + 2003-05-03 Falk Hueffner <falk.hueffner@student.uni-tuebingen.de> Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at> diff --git a/gcc/builtins.c b/gcc/builtins.c index 94db6a3..46b14bc 100644 --- a/gcc/builtins.c +++ b/gcc/builtins.c @@ -2491,13 +2491,15 @@ expand_builtin_stpcpy (arglist, target, mode) return 0; else { + tree newarglist; tree len = c_strlen (TREE_VALUE (TREE_CHAIN (arglist))); if (len == 0) return 0; len = fold (size_binop (PLUS_EXPR, len, ssize_int (1))); - chainon (arglist, build_tree_list (NULL_TREE, len)); - return expand_builtin_memcpy (arglist, target, mode, /*endp=*/2); + newarglist = copy_list (arglist); + chainon (newarglist, build_tree_list (NULL_TREE, len)); + return expand_builtin_memcpy (newarglist, target, mode, /*endp=*/2); } } |