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diff --git a/gcc-4.6/libgfortran/io/format.h b/gcc-4.6/libgfortran/io/format.h
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+/* Copyright (C) 2009, 2010
+ Free Software Foundation, Inc.
+ Contributed by Janne Blomqvist
+
+This file is part of the GNU Fortran runtime library (libgfortran).
+
+Libgfortran is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 3, or (at your option)
+any later version.
+
+Libgfortran is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+Under Section 7 of GPL version 3, you are granted additional
+permissions described in the GCC Runtime Library Exception, version
+3.1, as published by the Free Software Foundation.
+
+You should have received a copy of the GNU General Public License and
+a copy of the GCC Runtime Library Exception along with this program;
+see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
+<http://www.gnu.org/licenses/>. */
+
+#ifndef GFOR_FORMAT_H
+#define GFOR_FORMAT_H
+
+#include "io.h"
+
+
+/* Format tokens. Only about half of these can be stored in the
+ format nodes. */
+
+typedef enum
+{
+ FMT_NONE = 0, FMT_UNKNOWN, FMT_SIGNED_INT, FMT_ZERO, FMT_POSINT, FMT_PERIOD,
+ FMT_COMMA, FMT_COLON, FMT_SLASH, FMT_DOLLAR, FMT_T, FMT_TR, FMT_TL,
+ FMT_LPAREN, FMT_RPAREN, FMT_X, FMT_S, FMT_SS, FMT_SP, FMT_STRING,
+ FMT_BADSTRING, FMT_P, FMT_I, FMT_B, FMT_BN, FMT_BZ, FMT_O, FMT_Z, FMT_F,
+ FMT_E, FMT_EN, FMT_ES, FMT_G, FMT_L, FMT_A, FMT_D, FMT_H, FMT_END, FMT_DC,
+ FMT_DP, FMT_STAR, FMT_RC, FMT_RD, FMT_RN, FMT_RP, FMT_RU, FMT_RZ
+}
+format_token;
+
+
+/* Format nodes. A format string is converted into a tree of these
+ structures, which is traversed as part of a data transfer statement. */
+
+struct fnode
+{
+ format_token format;
+ int repeat;
+ struct fnode *next;
+ char *source;
+
+ union
+ {
+ struct
+ {
+ int w, d, e;
+ }
+ real;
+
+ struct
+ {
+ int length;
+ char *p;
+ }
+ string;
+
+ struct
+ {
+ int w, m;
+ }
+ integer;
+
+ int w;
+ int k;
+ int r;
+ int n;
+
+ struct fnode *child;
+ }
+ u;
+
+ /* Members for traversing the tree during data transfer. */
+
+ int count;
+ struct fnode *current;
+
+};
+
+
+/* A storage structures for format node data. */
+
+#define FARRAY_SIZE 64
+
+typedef struct fnode_array
+{
+ struct fnode_array *next;
+ fnode array[FARRAY_SIZE];
+}
+fnode_array;
+
+
+typedef struct format_data
+{
+ char *format_string, *string;
+ const char *error;
+ char error_element;
+ format_token saved_token;
+ int value, format_string_len, reversion_ok;
+ fnode *avail;
+ const fnode *saved_format;
+ fnode_array *last;
+ fnode_array array;
+}
+format_data;
+
+extern void parse_format (st_parameter_dt *);
+internal_proto(parse_format);
+
+extern const fnode *next_format (st_parameter_dt *);
+internal_proto(next_format);
+
+extern void unget_format (st_parameter_dt *, const fnode *);
+internal_proto(unget_format);
+
+extern void format_error (st_parameter_dt *, const fnode *, const char *);
+internal_proto(format_error);
+
+extern void free_format_data (struct format_data *);
+internal_proto(free_format_data);
+
+extern void free_format_hash_table (gfc_unit *);
+internal_proto(free_format_hash_table);
+
+extern void init_format_hash (st_parameter_dt *);
+internal_proto(init_format_hash);
+
+extern void free_format_hash (st_parameter_dt *);
+internal_proto(free_format_hash);
+
+#endif