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c-decl.c (finish_function): Don't treat 'main' specially unless flag_hosted. 

* c-decl.c (finish_function): Don't treat 'main' specially unless
	flag_hosted.  In C99 mode, return 0 from 'main' unless
	DEFAULT_MAIN_RETURN is otherwise defined.

From-SVN: r35300
This commit is contained in:
Joseph Myers 2000-07-27 13:51:41 -06:00 committed by Jeff Law
parent c1445f3dec
commit 98be7846ad
2 changed files with 9 additions and 1 deletions
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4
gcc/ChangeLog
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@ -10,6 +10,10 @@
2000-07-27 Joseph S. Myers <jsm28@cam.ac.uk>
* c-decl.c (finish_function): Don't treat 'main' specially unless
flag_hosted. In C99 mode, return 0 from 'main' unless
DEFAULT_MAIN_RETURN is otherwise defined.
* c-decl.c (store_parm_decls): In C99 mode, pedwarn for function
parameters defaulting to int in an old-style function definition.

6
gcc/c-decl.c
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@ -6589,7 +6589,8 @@ finish_function (nested)
setjmp_protect_args ();
}
if (! strcmp (IDENTIFIER_POINTER (DECL_NAME (fndecl)), "main"))
if (! strcmp (IDENTIFIER_POINTER (DECL_NAME (fndecl)), "main")
&& flag_hosted)
{
if (TYPE_MAIN_VARIANT (TREE_TYPE (TREE_TYPE (fndecl)))
!= integer_type_node)
@ -6604,6 +6605,9 @@ finish_function (nested)
#ifdef DEFAULT_MAIN_RETURN
/* Make it so that `main' always returns success by default. */
DEFAULT_MAIN_RETURN;
#else
if (flag_isoc99)
c_expand_return (integer_zero_node);
#endif
}
}