Commit | Line | Data |
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b79a1bb9 | 1 | /* |
161423a6 RE |
2 | * Copyright (c) 1980 Regents of the University of California. |
3 | * All rights reserved. The Berkeley software License Agreement | |
4 | * specifies the terms and conditions for redistribution. | |
b79a1bb9 | 5 | * |
161423a6 RE |
6 | * @(#)link_.c 5.1 %G% |
7 | */ | |
8 | ||
9 | /* | |
b79a1bb9 DW |
10 | * make a link to an existing file |
11 | * | |
12 | * calling sequence: | |
13 | * ierror = link(name1, name2) | |
14 | * where: | |
15 | * name1 is the pathname of an existing file | |
16 | * name2 is a pathname to be linked to file name1 | |
17 | * ierror will be 0 if successful; a system error code otherwise. | |
18 | */ | |
19 | ||
20 | #include "../libI77/f_errno.h" | |
05ec41e3 DW |
21 | #include <sys/param.h> |
22 | #ifndef MAXPATHLEN | |
23 | #define MAXPATHLEN 128 | |
24 | #endif | |
b79a1bb9 DW |
25 | |
26 | long link_(name1, name2, n1len, n2len) | |
27 | char *name1, *name2; | |
28 | long n1len, n2len; | |
29 | { | |
05ec41e3 DW |
30 | char buf1[MAXPATHLEN]; |
31 | char buf2[MAXPATHLEN]; | |
b79a1bb9 DW |
32 | |
33 | if (n1len >= sizeof buf1 || n2len >= sizeof buf2) | |
34 | return((long)(errno=F_ERARG)); | |
35 | g_char(name1, n1len, buf1); | |
36 | g_char(name2, n2len, buf2); | |
05ec41e3 | 37 | if (buf1[0] == '\0' || buf2[0] == '\0') |
b79a1bb9 DW |
38 | return((long)(errno=F_ERARG)); |
39 | if (link(buf1, buf2) != 0) | |
40 | return((long)errno); | |
41 | return(0L); | |
42 | } |