diff options
Diffstat (limited to 'gcc/c-format.c')
| -rw-r--r-- | gcc/c-format.c | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/gcc/c-format.c b/gcc/c-format.c index 403724e5e11..4a0a41e3a54 100644 --- a/gcc/c-format.c +++ b/gcc/c-format.c @@ -851,13 +851,14 @@ decode_format_type (const char *s) /* Check the argument list of a call to printf, scanf, etc. - ATTRS are the attributes on the function type. - PARAMS is the list of argument values. Also, if -Wmissing-format-attribute, + ATTRS are the attributes on the function type. There are NARGS argument + values in the array ARGARRAY. + Also, if -Wmissing-format-attribute, warn for calls to vprintf or vscanf in functions with no such format attribute themselves. */ void -check_function_format (tree attrs, tree params) +check_function_format (tree attrs, int nargs, tree *argarray) { tree a; @@ -870,7 +871,16 @@ check_function_format (tree attrs, tree params) function_format_info info; decode_format_attr (TREE_VALUE (a), &info, 1); if (warn_format) - check_format_info (&info, params); + { + /* FIXME: Rewrite all the internal functions in this file + to use the ARGARRAY directly instead of constructing this + temporary list. */ + tree params = NULL_TREE; + int i; + for (i = nargs - 1; i >= 0; i--) + params = tree_cons (NULL_TREE, argarray[i], params); + check_format_info (&info, params); + } if (warn_missing_format_attribute && info.first_arg_num == 0 && (format_types[info.format_type].flags & (int) FMT_FLAG_ARG_CONVERT)) |