Via: uk.ac.aston; Fri, 5 Feb 1993 18:31:00 +0000
To: jaws AT brazos DOT cray DOT com, djgpp AT sun DOT soe DOT clarkson DOT edu, engdahl AT brutus DOT aa DOT ab DOT com
From: John Fletcher <ECM9093 AT pcmail DOT aston DOT ac DOT uk>
Date: 5 Feb 93 16:07:51 GMT
Subject: DJGPP Unix-like mkdir - (was Re: Porting GCC 2.3.3)
Reply-To: J DOT P DOT Fletcher AT aston DOT ac DOT uk

> Subject:    Re: Porting GCC 2.3.3
> To:         engdahl AT brutus DOT aa DOT ab DOT com (Jon Engdahl)
> Date:       Thu, 4 Feb 1993 12:19:10 -0600 (CST)
> From:       "J.A.Wheeler" <jaws AT brazos DOT cray DOT com>
> Cc:         J DOT P DOT Fletcher AT aston DOT ac DOT uk, djgpp AT sun DOT soe DOT clarkson DOT edu

> } Borland C's mkdir only has one arg; UNIX's has two. According to my
> } interpretation of the UNIX man page for mkdir, you should change it to
> } something like
> }
> }            status = mkdir(filename,0755);
> }                                   ^^^^^
>
> The second field in the mkdir systems call is used to determine the
> access permissions to the directory. Since Ms.Dos doesn't know about
> multiple users, any value you plug in should be fine.  Be aware though
> in U**X it will be a 3 digit octal number. I'll refrain from discussing
> the various values for sake of brevity.
>
> } There may be a more correct way to say "0755", but I think this will
> } get you by. The options I can think of are using a #define'd symbol, or
> } getting a value out of the tar file. I'll let one of the UNIX experts
> } elaborate.
> }
Thank you to the people who diagnosed the problem.  I attach a diff
file to patch the problem, using a #define which I have called
PERMISSION.

John


--------------------------- Diffs for zmangle.c--------------------
*** zmangle.c   Fri Feb  5 15:51:16 1993
--- zmanglen.c  Fri Feb  5 15:49:34 1993
***************
*** 36,43 ****

  */


-
  #include <stdio.h>
  #include <fcntl.h>
  #include <sys/stat.h>
--- 36,44 ----

  */

+ /* Fix for Unix-like mkdir */
+ #define PERMISSION 0755

  #include <stdio.h>
  #include <fcntl.h>
  #include <sys/stat.h>
***************
*** 135,147 ****


    if(type==chFILE && (file=open(new,WACCESS,MODE))<0
!   || type==chDIR  && mkdir(new))
        {
        /* collapse ".Z" to "z" */
        if(strcmp(&nm[len-2],".z")==0)strcpy(&nm[len-2],"z");

        if(type==chFILE && (file=open(new,WACCESS,MODE))<0
!       || type==chDIR  && mkdir(new))
            {

            /* mangle the extension */
--- 136,148 ----


    if(type==chFILE && (file=open(new,WACCESS,MODE))<0
!     || type==chDIR  && mkdir(new,PERMISSION))
        {
        /* collapse ".Z" to "z" */
        if(strcmp(&nm[len-2],".z")==0)strcpy(&nm[len-2],"z");

        if(type==chFILE && (file=open(new,WACCESS,MODE))<0
!         || type==chDIR  && mkdir(new,PERMISSION))
            {

            /* mangle the extension */
***************
*** 166,172 ****
                    }
                }
            if(type==chFILE && (file=open(new,WACCESS,MODE))<0
!           || type==chDIR  && mkdir(new))
                {

                /* getting nervous, try fixing the name */
--- 167,173 ----
                    }
                }
            if(type==chFILE && (file=open(new,WACCESS,MODE))<0
!             || type==chDIR  && mkdir(new,PERMISSION))
                {

                /* getting nervous, try fixing the name */
***************
*** 187,193 ****
                    i++;
                    }
                if(type==chFILE && (file=open(new,WACCESS,MODE))<0
!               || type==chDIR  && mkdir(new))
                    {
                    /* mangle to a 7 character name */
                    /* and tack a random character on the end */
--- 188,194 ----
                    i++;
                    }
                if(type==chFILE && (file=open(new,WACCESS,MODE))<0
!                 || type==chDIR  && mkdir(new,PERMISSION))
                    {
                    /* mangle to a 7 character name */
                    /* and tack a random character on the end */
***************
*** 211,217 ****
                        {
                        pos[-1] = 'a'+i;
                        if(type==chFILE &&
(file=open(new,WACCESS,MODE))<0
!                       || type==chDIR  && mkdir(new))
                            {
                            i++;
                            }
--- 212,219 ----
                        {
                        pos[-1] = 'a'+i;
                        if(type==chFILE &&
(file=open(new,WACCESS,MODE))<0
!                         || type==chDIR  &&
!                         mkdir(new,PERMISSION))
                            {
                            i++;
                            }
***************
*** 237,243 ****
                                if (pos && (strchr(user, '/') ==
0))strcpy(pos+1,user);
                                else strcpy(new,user);
                                if(!(type==chFILE &&
(file=open(new,WACCESS,MODE))<0
!                               || type==chDIR  && mkdir(new)))break;
                                }
                            }
                        while(new[0]=='!');
--- 239,246 ----
                                if (pos && (strchr(user, '/') ==
0))strcpy(pos+1,user);
                                else strcpy(new,user);
                                if(!(type==chFILE &&
(file=open(new,WACCESS,MODE))<0
!                                 || type==chDIR  &&
!                                 mkdir(new,PERMISSION)))break;
                                }
                            }
                        while(new[0]=='!');

-------------------------------------end of diffs---------------------


---------------------------------------------------------------------
Dr John P. Fletcher
Department of Chemical Engineering and Applied Chemistry,
Aston University,         Tel: (44) 21 359 3611 ext 4625
Aston Triangle,         Email(Most systems): J DOT P DOT FLETCHER AT ASTON DOT AC DOT UK
BIRMINGHAM B4 7ET  U.K.   Email(JANET only): J DOT P DOT FLETCHER AT UK DOT AC DOT ASTON
---------------------------------------------------------------------