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4b6903ec | 1 | /* Copyright (C) 2002, 2003, 2005 Free Software Foundation, Inc. |
6de9cd9a DN |
2 | Contributed by Andy Vaught |
3 | ||
4 | This file is part of the GNU Fortran 95 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 2, or (at your option) | |
9 | any later version. | |
10 | ||
57dea9f6 TM |
11 | In addition to the permissions in the GNU General Public License, the |
12 | Free Software Foundation gives you unlimited permission to link the | |
13 | compiled version of this file into combinations with other programs, | |
14 | and to distribute those combinations without any restriction coming | |
15 | from the use of this file. (The General Public License restrictions | |
16 | do apply in other respects; for example, they cover modification of | |
17 | the file, and distribution when not linked into a combine | |
18 | executable.) | |
19 | ||
6de9cd9a DN |
20 | Libgfortran is distributed in the hope that it will be useful, |
21 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
22 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
23 | GNU General Public License for more details. | |
24 | ||
25 | You should have received a copy of the GNU General Public License | |
26 | along with Libgfortran; see the file COPYING. If not, write to | |
fe2ae685 KC |
27 | the Free Software Foundation, 51 Franklin Street, Fifth Floor, |
28 | Boston, MA 02110-1301, USA. */ | |
6de9cd9a DN |
29 | |
30 | #include "config.h" | |
31 | #include "libgfortran.h" | |
32 | #include "io.h" | |
33 | ||
34 | typedef enum | |
35 | { CLOSE_DELETE, CLOSE_KEEP, CLOSE_UNSPECIFIED } | |
36 | close_status; | |
37 | ||
38 | static st_option status_opt[] = { | |
39 | {"keep", CLOSE_KEEP}, | |
40 | {"delete", CLOSE_DELETE}, | |
4b6903ec | 41 | {NULL, 0} |
6de9cd9a DN |
42 | }; |
43 | ||
44 | ||
7d7b8bfe RH |
45 | extern void st_close (void); |
46 | export_proto(st_close); | |
47 | ||
6de9cd9a DN |
48 | void |
49 | st_close (void) | |
50 | { | |
51 | close_status status; | |
909087e0 | 52 | gfc_unit *u; |
6de9cd9a DN |
53 | |
54 | library_start (); | |
55 | ||
56 | status = (ioparm.status == NULL) ? CLOSE_UNSPECIFIED : | |
57 | find_option (ioparm.status, ioparm.status_len, status_opt, | |
58 | "Bad STATUS parameter in CLOSE statement"); | |
59 | ||
60 | if (ioparm.library_return != LIBRARY_OK) | |
61 | return; | |
62 | ||
63 | u = find_unit (ioparm.unit); | |
64 | if (u != NULL) | |
65 | { | |
66 | if (u->flags.status == STATUS_SCRATCH) | |
67 | { | |
68 | if (status == CLOSE_KEEP) | |
69 | generate_error (ERROR_BAD_OPTION, | |
70 | "Can't KEEP a scratch file on CLOSE"); | |
71 | } | |
72 | else | |
73 | { | |
74 | if (status == CLOSE_DELETE) | |
75 | delete_file (u); | |
76 | } | |
77 | ||
78 | close_unit (u); | |
79 | } | |
80 | ||
81 | library_end (); | |
82 | } |