c-common.h (flag_isoc94): Declare.

	* c-common.h (flag_isoc94): Declare.
	* c-decl.c (flag_isoc94): Define.
	(c_decode_option): Set flag_isoc94 as appropriate.
	* c-common.c (T_PD, T_IM, T_UIM): Define.
	(format_char_info): Add tlen and jlen.
	(print_char_table): Add entries for %t and %j.  Allow %zn.  Allow
	%F.  Allow %lf.
	(scan_char_table): Add entries for %t and %j.  Allow %F.  Allow
	%l[.
	(time_char_table): Add NULL entries for %t and %j.
	(check_format_info): Allow for %t and %j.  Warn for %F if pedantic
	and not C99.  Warn for %lc, %ls and %l[ if pedantic and not C94.
	Warn for printf %lf if pedantic and not C99.  Don't warn for empty
	precision.  Allow precision argument to be unsigned int.  If
	pedantic, warn for %p passed an argument not a pointer to possibly
	qualified void or a possibly qualified character type, and for
	pointer targets of the wrong sign, except for character pointers.

cp:
	* decl.c (flag_isoc94): New variable.

testsuite:
	* gcc.dg/c90-printf-1.c, gcc.dg/c94-printf-1.c: New tests.

From-SVN: r35482

1 files changed, 9 insertions, 1 deletions

diff --git a/gcc/c-decl.c b/gcc/c-decl.c
index 886e374..6d08dfc 100644
--- a/gcc/c-decl.c
+++ b/gcc/c-decl.c
@@ -330,6 +330,10 @@ int flag_no_nonansi_builtin;
 
 int flag_traditional;
 
+/* Nonzero means enable C89 Amendment 1 features, other than digraphs.  */
+
+int flag_isoc94 = 0;
+
 /* Nonzero means use the ISO C99 dialect of C.  */
 
 int flag_isoc99 = 0;
@@ -541,6 +545,7 @@ c_decode_option (argc, argv)
 	{
 	iso_1990:
 	  flag_digraphs = 0;
+	  flag_isoc94 = 0;
 	iso_1990_digraphs:
 	  flag_traditional = 0;
 	  flag_writable_strings = 0;
@@ -551,7 +556,7 @@ c_decode_option (argc, argv)
       else if (!strcmp (argstart, "iso9899:199409"))
 	{
 	  flag_digraphs = 1;
-	  /* ??? The other changes since ISO C 1990 are not supported.  */
+	  flag_isoc94 = 1;
 	  goto iso_1990_digraphs;
 	}
       else if (!strcmp (argstart, "iso9899:199x")
@@ -565,6 +570,7 @@ c_decode_option (argc, argv)
 	  flag_no_nonansi_builtin = 1;
 	  flag_isoc99 = 1;
 	  flag_digraphs = 1;
+	  flag_isoc94 = 1;
 	}
       else if (!strcmp (argstart, "gnu89"))
 	{
@@ -574,6 +580,7 @@ c_decode_option (argc, argv)
 	  flag_no_nonansi_builtin = 0;
 	  flag_isoc99 = 0;
 	  flag_digraphs = 1;
+	  flag_isoc94 = 0;
 	}
       else if (!strcmp (argstart, "gnu9x") || !strcmp (argstart, "gnu99"))
 	{
@@ -583,6 +590,7 @@ c_decode_option (argc, argv)
 	  flag_no_nonansi_builtin = 0;
 	  flag_isoc99 = 1;
 	  flag_digraphs = 1;
+	  flag_isoc94 = 1;
 	}
       else
 	error ("unknown C standard `%s'", argstart);