1 /*
2 * Copyright (c) 2017, NVIDIA CORPORATION. All rights reserved.
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 *
16 */
17
18 /* clang-format off */
19
20 /* ttynam3f.c - Implements LIB3F ttynam subprogram. */
21
22 #ifndef WINNT
23
24 /* must include ent3f.h AFTER io3f.h */
25 #include "io3f.h"
26 #include "ent3f.h"
27 #include "utils3f.h"
28
29 extern char *ttyname();
30
31 /* ttynam is a character function */
ENT3F(TTYNAM,ttynam)32 void ENT3F(TTYNAM, ttynam)(DCHAR(nm) DCLEN(nm), int *lu)
33 {
34 int u;
35 char *p;
36
37 switch (*lu) {
38 case 0:
39 u = 2;
40 break;
41 case 5:
42 u = 0;
43 break;
44 case 6:
45 u = 1;
46 break;
47 default:
48 p = 0;
49 goto sk;
50 }
51 p = ttyname(u);
52 sk:
53 __fcp_cstr(CADR(nm), CLEN(nm), p);
54 /*
55 if (p) free(p);
56 */
57
58 return;
59 }
60
61 #endif /* !WINNT */
62