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(check_format_info): Make warning nicer for mismatch of int vs long, etc. 

Don't warn if field width is an unsigned int.

From-SVN: r5981
This commit is contained in:
Richard Stallman 1993-11-03 20:09:12 +00:00
parent 003be45548
commit 309ffab61f
1 changed files with 13 additions and 2 deletions
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15
gcc/c-common.c
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@ -685,8 +685,11 @@ check_format_info (info, params)
It will work on most machines, because size_t and int
have the same mode. But might as well warn anyway,
since it will fail on other machines. */
if (TYPE_MAIN_VARIANT (TREE_TYPE (cur_param))
!= integer_type_node)
if ((TYPE_MAIN_VARIANT (TREE_TYPE (cur_param))
!= integer_type_node)
&&
(TYPE_MAIN_VARIANT (TREE_TYPE (cur_param))
!= unsigned_type_node))
{
sprintf (message,
"field width is not type int (arg %d)",
@ -935,6 +938,14 @@ check_format_info (info, params)
that = "different type";
}
/* Make the warning better in case of mismatch of int vs long. */
if (TREE_CODE (cur_type) == INTEGER_TYPE
&& TREE_CODE (wanted_type) == INTEGER_TYPE
&& TYPE_PRECISION (cur_type) == TYPE_PRECISION (wanted_type)
&& TYPE_NAME (cur_type) != 0
&& TREE_CODE (TYPE_NAME (cur_type)) == TYPE_DECL)
that = IDENTIFIER_POINTER (DECL_NAME (TYPE_NAME (cur_type)));
if (strcmp (this, that) != 0)
{
sprintf (message, "%s format, %s arg (arg %d)",