BSD 4 release

[unix-history] / usr / src / cmd / mkdir.c

static char *sccsid = "@(#)mkdir.c      4.1 (Berkeley) 10/1/80";
/*
** make directory
*/

#include        <signal.h>
#include        <stdio.h>

int     Errors = 0;
char    *strcat();
char    *strcpy();

main(argc, argv)
char *argv[];
{

       signal(SIGHUP, SIG_IGN);
       signal(SIGINT, SIG_IGN);
       signal(SIGQUIT, SIG_IGN);
       signal(SIGPIPE, SIG_IGN);
       signal(SIGTERM, SIG_IGN);

       if(argc < 2) {
               fprintf(stderr, "mkdir: arg count\n");
               exit(1);
       }
       while(--argc)
               mkdir(*++argv);
       exit(Errors!=0);
}

mkdir(d)
char *d;
{
       char pname[128], dname[128];
       register i, slash = 0;

       pname[0] = '\0';
       for(i = 0; d[i]; ++i)
               if(d[i] == '/')
                       slash = i + 1;
       if(slash)
               strncpy(pname, d, slash);
       strcpy(pname+slash, ".");
       if (access(pname, 02)) {
               fprintf(stderr,"mkdir: cannot access %s\n", pname);
               ++Errors;
               return;
       }
       if ((mknod(d, 040777, 0)) < 0) {
               fprintf(stderr,"mkdir: cannot make directory %s\n", d);
               ++Errors;
               return;
       }
       chown(d, getuid(), getgid());
       strcpy(dname, d);
       strcat(dname, "/.");
       if((link(d, dname)) < 0) {
               fprintf(stderr, "mkdir: cannot link %s\n", dname);
               unlink(d);
               ++Errors;
               return;
       }
       strcat(dname, ".");
       if((link(pname, dname)) < 0) {
               fprintf(stderr, "mkdir: cannot link %s\n",dname);
               dname[strlen(dname)] = '\0';
               unlink(dname);
               unlink(d);
               ++Errors;
       }
}