add Berkeley specific copyrights

[unix-history] / usr / src / usr.bin / uucp / libuu / cpmv.c

#ifndef lint
static char sccsid[] = "@(#)cpmv.c      5.5 (Berkeley) %G%";
#endif

#include "uucp.h"
#include <sys/stat.h>

/*LINTLIBRARY*/

/*
*      copy f1 to f2
*
*      return - SUCCESS | FAIL
*/
xcp(f1, f2)
char *f1, *f2;
{
       char buf[BUFSIZ];
       register int len;
       register int fp1, fp2;
       char *lastpart();
       char full[MAXFULLNAME];
       struct stat s;

       if ((fp1 = open(subfile(f1), 0)) < 0)
               return FAIL;
       strcpy(full, f2);
       if (stat(subfile(f2), &s) == 0) {
               /* check for directory */
               if ((s.st_mode & S_IFMT) == S_IFDIR) {
                       strcat(full, "/");
                       strcat(full, lastpart(f1));
               }
       }
       DEBUG(4, "full %s\n", full);
       if ((fp2 = creat(subfile(full), 0666)) < 0) {
               close(fp1);
               return FAIL;
       }
       while((len = read(fp1, buf, BUFSIZ)) > 0)
                if (write(fp2, buf, len) != len) {
                       len = -1;
                       break;
               }

       close(fp1);
       close(fp2);
       return len < 0 ? FAIL: SUCCESS;
}


/*
*      move f1 to f2
*
*      return  0 ok  |  FAIL failed
*/
xmv(f1, f2)
register char *f1, *f2;
{
       register int ret;

       (void) unlink(subfile(f2));
       if (link(subfile(f1), subfile(f2)) < 0) {
               /*  copy file  */
               ret = xcp(f1, f2);
               if (ret == 0)
                       unlink(subfile(f1));
               return ret;
       }
       (void) unlink(subfile(f1));
       return 0;
}