|
145
|
1 /* Copyright (C) 2009-2020 Free Software Foundation, Inc.
|
|
111
|
2 Contributed by Janne Blomqvist
|
|
|
3
|
|
|
4 This file is part of the GNU Fortran runtime library (libgfortran).
|
|
|
5
|
|
|
6 Libgfortran is free software; you can redistribute it and/or modify
|
|
|
7 it under the terms of the GNU General Public License as published by
|
|
|
8 the Free Software Foundation; either version 3, or (at your option)
|
|
|
9 any later version.
|
|
|
10
|
|
|
11 Libgfortran is distributed in the hope that it will be useful,
|
|
|
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
|
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
|
14 GNU General Public License for more details.
|
|
|
15
|
|
|
16 Under Section 7 of GPL version 3, you are granted additional
|
|
|
17 permissions described in the GCC Runtime Library Exception, version
|
|
|
18 3.1, as published by the Free Software Foundation.
|
|
|
19
|
|
|
20 You should have received a copy of the GNU General Public License and
|
|
|
21 a copy of the GCC Runtime Library Exception along with this program;
|
|
|
22 see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
|
|
|
23 <http://www.gnu.org/licenses/>. */
|
|
|
24
|
|
|
25 #ifndef GFOR_UNIX_H
|
|
|
26 #define GFOR_UNIX_H
|
|
|
27
|
|
|
28 #include "io.h"
|
|
|
29
|
|
|
30 struct stream_vtable
|
|
|
31 {
|
|
|
32 ssize_t (* const read) (struct stream *, void *, ssize_t);
|
|
|
33 ssize_t (* const write) (struct stream *, const void *, ssize_t);
|
|
|
34 gfc_offset (* const seek) (struct stream *, gfc_offset, int);
|
|
|
35 gfc_offset (* const tell) (struct stream *);
|
|
|
36 gfc_offset (* const size) (struct stream *);
|
|
|
37 /* Avoid keyword truncate due to AIX namespace collision. */
|
|
|
38 int (* const trunc) (struct stream *, gfc_offset);
|
|
|
39 int (* const flush) (struct stream *);
|
|
|
40 int (* const close) (struct stream *);
|
|
|
41 int (* const markeor) (struct stream *);
|
|
|
42 };
|
|
|
43
|
|
|
44 struct stream
|
|
|
45 {
|
|
|
46 const struct stream_vtable *vptr;
|
|
|
47 };
|
|
|
48
|
|
|
49 /* Inline functions for doing file I/O given a stream. */
|
|
|
50 static inline ssize_t
|
|
|
51 sread (stream *s, void *buf, ssize_t nbyte)
|
|
|
52 {
|
|
|
53 return s->vptr->read (s, buf, nbyte);
|
|
|
54 }
|
|
|
55
|
|
|
56 static inline ssize_t
|
|
|
57 swrite (stream *s, const void *buf, ssize_t nbyte)
|
|
|
58 {
|
|
|
59 return s->vptr->write (s, buf, nbyte);
|
|
|
60 }
|
|
|
61
|
|
|
62 static inline gfc_offset
|
|
|
63 sseek (stream *s, gfc_offset offset, int whence)
|
|
|
64 {
|
|
|
65 return s->vptr->seek (s, offset, whence);
|
|
|
66 }
|
|
|
67
|
|
|
68 static inline gfc_offset
|
|
|
69 stell (stream *s)
|
|
|
70 {
|
|
|
71 return s->vptr->tell (s);
|
|
|
72 }
|
|
|
73
|
|
|
74 static inline gfc_offset
|
|
|
75 ssize (stream *s)
|
|
|
76 {
|
|
|
77 return s->vptr->size (s);
|
|
|
78 }
|
|
|
79
|
|
|
80 static inline int
|
|
|
81 struncate (stream *s, gfc_offset length)
|
|
|
82 {
|
|
|
83 return s->vptr->trunc (s, length);
|
|
|
84 }
|
|
|
85
|
|
|
86 static inline int
|
|
|
87 sflush (stream *s)
|
|
|
88 {
|
|
|
89 return s->vptr->flush (s);
|
|
|
90 }
|
|
|
91
|
|
|
92 static inline int
|
|
|
93 sclose (stream *s)
|
|
|
94 {
|
|
|
95 return s->vptr->close (s);
|
|
|
96 }
|
|
|
97
|
|
|
98 static inline int
|
|
|
99 smarkeor (stream *s)
|
|
|
100 {
|
|
|
101 return s->vptr->markeor (s);
|
|
|
102 }
|
|
|
103
|
|
|
104
|
|
|
105 extern int compare_files (stream *, stream *);
|
|
|
106 internal_proto(compare_files);
|
|
|
107
|
|
|
108 extern stream *open_external (st_parameter_open *, unit_flags *);
|
|
|
109 internal_proto(open_external);
|
|
|
110
|
|
131
|
111 extern stream *open_internal (char *, size_t, gfc_offset);
|
|
111
|
112 internal_proto(open_internal);
|
|
|
113
|
|
131
|
114 extern stream *open_internal4 (char *, size_t, gfc_offset);
|
|
111
|
115 internal_proto(open_internal4);
|
|
|
116
|
|
131
|
117 extern char *mem_alloc_w (stream *, size_t *);
|
|
111
|
118 internal_proto(mem_alloc_w);
|
|
|
119
|
|
131
|
120 extern char *mem_alloc_r (stream *, size_t *);
|
|
111
|
121 internal_proto(mem_alloc_r);
|
|
|
122
|
|
131
|
123 extern gfc_char4_t *mem_alloc_w4 (stream *, size_t *);
|
|
111
|
124 internal_proto(mem_alloc_w4);
|
|
|
125
|
|
131
|
126 extern char *mem_alloc_r4 (stream *, size_t *);
|
|
111
|
127 internal_proto(mem_alloc_r4);
|
|
|
128
|
|
|
129 extern stream *input_stream (void);
|
|
|
130 internal_proto(input_stream);
|
|
|
131
|
|
|
132 extern stream *output_stream (void);
|
|
|
133 internal_proto(output_stream);
|
|
|
134
|
|
|
135 extern stream *error_stream (void);
|
|
|
136 internal_proto(error_stream);
|
|
|
137
|
|
131
|
138 extern int compare_file_filename (gfc_unit *, const char *, gfc_charlen_type);
|
|
111
|
139 internal_proto(compare_file_filename);
|
|
|
140
|
|
|
141 extern gfc_unit *find_file (const char *file, gfc_charlen_type file_len);
|
|
|
142 internal_proto(find_file);
|
|
|
143
|
|
|
144 extern int close_share (gfc_unit *);
|
|
|
145 internal_proto(close_share);
|
|
|
146
|
|
|
147 extern int file_exists (const char *file, gfc_charlen_type file_len);
|
|
|
148 internal_proto(file_exists);
|
|
|
149
|
|
|
150 extern GFC_IO_INT file_size (const char *file, gfc_charlen_type file_len);
|
|
|
151 internal_proto(file_size);
|
|
|
152
|
|
131
|
153 extern const char *inquire_sequential (const char *, gfc_charlen_type);
|
|
111
|
154 internal_proto(inquire_sequential);
|
|
|
155
|
|
131
|
156 extern const char *inquire_direct (const char *, gfc_charlen_type);
|
|
111
|
157 internal_proto(inquire_direct);
|
|
|
158
|
|
131
|
159 extern const char *inquire_formatted (const char *, gfc_charlen_type);
|
|
111
|
160 internal_proto(inquire_formatted);
|
|
|
161
|
|
131
|
162 extern const char *inquire_unformatted (const char *, gfc_charlen_type);
|
|
111
|
163 internal_proto(inquire_unformatted);
|
|
|
164
|
|
131
|
165 extern const char *inquire_read (const char *, gfc_charlen_type);
|
|
111
|
166 internal_proto(inquire_read);
|
|
|
167
|
|
131
|
168 extern const char *inquire_write (const char *, gfc_charlen_type);
|
|
111
|
169 internal_proto(inquire_write);
|
|
|
170
|
|
131
|
171 extern const char *inquire_readwrite (const char *, gfc_charlen_type);
|
|
111
|
172 internal_proto(inquire_readwrite);
|
|
|
173
|
|
|
174 extern void flush_if_preconnected (stream *);
|
|
|
175 internal_proto(flush_if_preconnected);
|
|
|
176
|
|
|
177 extern int stream_isatty (stream *);
|
|
|
178 internal_proto(stream_isatty);
|
|
|
179
|
|
|
180 #ifndef TTY_NAME_MAX
|
|
|
181 #ifdef _POSIX_TTY_NAME_MAX
|
|
|
182 #define TTY_NAME_MAX _POSIX_TTY_NAME_MAX
|
|
|
183 #else
|
|
|
184 /* sysconf(_SC_TTY_NAME_MAX) = 32 which should be enough. */
|
|
|
185 #define TTY_NAME_MAX 32
|
|
|
186 #endif
|
|
|
187 #endif
|
|
|
188
|
|
|
189 extern int stream_ttyname (stream *, char *, size_t);
|
|
|
190 internal_proto(stream_ttyname);
|
|
|
191
|
|
|
192 #endif
|
