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Annotation of 43BSD/usr.lib/libU77/link_.c, revision 1.1.1.1

1.1       root        1: /*
                      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.
                      5:  *
                      6:  *     @(#)link_.c     5.1     6/7/85
                      7:  */
                      8: 
                      9: /*
                     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"
                     21: #include <sys/param.h>
                     22: #ifndef        MAXPATHLEN
                     23: #define MAXPATHLEN     128
                     24: #endif
                     25: 
                     26: long link_(name1, name2, n1len, n2len)
                     27: char *name1, *name2;
                     28: long n1len, n2len;
                     29: {
                     30:        char buf1[MAXPATHLEN];
                     31:        char buf2[MAXPATHLEN];
                     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);
                     37:        if (buf1[0] == '\0' || buf2[0] == '\0')
                     38:                return((long)(errno=F_ERARG));
                     39:        if (link(buf1, buf2) != 0)
                     40:                return((long)errno);
                     41:        return(0L);
                     42: }

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