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f77b6ca3 | 1 | /* Implementation of the RENAME intrinsic. |
36ae8a61 | 2 | Copyright (C) 2005, 2007 Free Software Foundation, Inc. |
f77b6ca3 FXC |
3 | Contributed by François-Xavier Coudert <coudert@clipper.ens.fr> |
4 | ||
5 | This file is part of the GNU Fortran 95 runtime library (libgfortran). | |
6 | ||
7 | Libgfortran is free software; you can redistribute it and/or | |
8 | modify it under the terms of the GNU General Public | |
9 | License as published by the Free Software Foundation; either | |
10 | version 2 of the License, or (at your option) any later version. | |
11 | ||
12 | In addition to the permissions in the GNU General Public License, the | |
13 | Free Software Foundation gives you unlimited permission to link the | |
14 | compiled version of this file into combinations with other programs, | |
15 | and to distribute those combinations without any restriction coming | |
16 | from the use of this file. (The General Public License restrictions | |
17 | do apply in other respects; for example, they cover modification of | |
18 | the file, and distribution when not linked into a combine | |
19 | executable.) | |
20 | ||
21 | Libgfortran is distributed in the hope that it will be useful, | |
22 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
23 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
24 | GNU General Public License for more details. | |
25 | ||
26 | You should have received a copy of the GNU General Public | |
27 | License along with libgfortran; see the file COPYING. If not, | |
fe2ae685 KC |
28 | write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
29 | Boston, MA 02110-1301, USA. */ | |
f77b6ca3 | 30 | |
f77b6ca3 FXC |
31 | #include "libgfortran.h" |
32 | ||
33 | #include <errno.h> | |
d8955e4b | 34 | #include <string.h> |
f77b6ca3 | 35 | |
f77b6ca3 FXC |
36 | /* SUBROUTINE RENAME(PATH1, PATH2, STATUS) |
37 | CHARACTER(len=*), INTENT(IN) :: PATH1, PATH2 | |
38 | INTEGER, INTENT(OUT), OPTIONAL :: STATUS */ | |
39 | ||
40 | extern void rename_i4_sub (char *, char *, GFC_INTEGER_4 *, gfc_charlen_type, | |
41 | gfc_charlen_type); | |
42 | iexport_proto(rename_i4_sub); | |
43 | ||
44 | void | |
45 | rename_i4_sub (char *path1, char *path2, GFC_INTEGER_4 *status, | |
46 | gfc_charlen_type path1_len, gfc_charlen_type path2_len) | |
47 | { | |
48 | int val; | |
49 | char *str1, *str2; | |
50 | ||
51 | /* Trim trailing spaces from paths. */ | |
52 | while (path1_len > 0 && path1[path1_len - 1] == ' ') | |
53 | path1_len--; | |
54 | while (path2_len > 0 && path2[path2_len - 1] == ' ') | |
55 | path2_len--; | |
56 | ||
57 | /* Make a null terminated copy of the strings. */ | |
58 | str1 = gfc_alloca (path1_len + 1); | |
59 | memcpy (str1, path1, path1_len); | |
60 | str1[path1_len] = '\0'; | |
61 | ||
62 | str2 = gfc_alloca (path2_len + 1); | |
63 | memcpy (str2, path2, path2_len); | |
64 | str2[path2_len] = '\0'; | |
65 | ||
66 | val = rename (str1, str2); | |
67 | ||
68 | if (status != NULL) | |
69 | *status = (val == 0) ? 0 : errno; | |
70 | } | |
71 | iexport(rename_i4_sub); | |
72 | ||
73 | extern void rename_i8_sub (char *, char *, GFC_INTEGER_8 *, gfc_charlen_type, | |
74 | gfc_charlen_type); | |
75 | iexport_proto(rename_i8_sub); | |
76 | ||
77 | void | |
78 | rename_i8_sub (char *path1, char *path2, GFC_INTEGER_8 *status, | |
79 | gfc_charlen_type path1_len, gfc_charlen_type path2_len) | |
80 | { | |
81 | int val; | |
82 | char *str1, *str2; | |
83 | ||
84 | /* Trim trailing spaces from paths. */ | |
85 | while (path1_len > 0 && path1[path1_len - 1] == ' ') | |
86 | path1_len--; | |
87 | while (path2_len > 0 && path2[path2_len - 1] == ' ') | |
88 | path2_len--; | |
89 | ||
90 | /* Make a null terminated copy of the strings. */ | |
91 | str1 = gfc_alloca (path1_len + 1); | |
92 | memcpy (str1, path1, path1_len); | |
93 | str1[path1_len] = '\0'; | |
94 | ||
95 | str2 = gfc_alloca (path2_len + 1); | |
96 | memcpy (str2, path2, path2_len); | |
97 | str2[path2_len] = '\0'; | |
98 | ||
99 | val = rename (str1, str2); | |
100 | ||
101 | if (status != NULL) | |
102 | *status = (val == 0) ? 0 : errno; | |
103 | } | |
104 | iexport(rename_i8_sub); | |
105 | ||
106 | extern GFC_INTEGER_4 rename_i4 (char *, char *, gfc_charlen_type, | |
107 | gfc_charlen_type); | |
108 | export_proto(rename_i4); | |
109 | ||
110 | GFC_INTEGER_4 | |
111 | rename_i4 (char *path1, char *path2, gfc_charlen_type path1_len, | |
112 | gfc_charlen_type path2_len) | |
113 | { | |
114 | GFC_INTEGER_4 val; | |
115 | rename_i4_sub (path1, path2, &val, path1_len, path2_len); | |
116 | return val; | |
117 | } | |
118 | ||
119 | extern GFC_INTEGER_8 rename_i8 (char *, char *, gfc_charlen_type, | |
120 | gfc_charlen_type); | |
121 | export_proto(rename_i8); | |
122 | ||
123 | GFC_INTEGER_8 | |
124 | rename_i8 (char *path1, char *path2, gfc_charlen_type path1_len, | |
125 | gfc_charlen_type path2_len) | |
126 | { | |
127 | GFC_INTEGER_8 val; | |
128 | rename_i8_sub (path1, path2, &val, path1_len, path2_len); | |
129 | return val; | |
130 | } |