zic.c:mkdirs broken

[Arthur David Olson]

> The fix I sent before for this never made it into 94b.  I don't know how
> this fails to break everyone else.  mkdirs is broken unless you compile
> with -fwritable-strings (which is generally losing to do).
> ...

Thanks for the fix; it (and only it) is incorporated into tzcode94c.tar.gz
on elsie.nci.nih.gov.  The relevant diff is attached below.

				--ado
				
SCCS/s.zic.c: 7.21 vs. 7.22
*** 7.21/zic.c	Thu Feb 10 08:54:03 1994
--- 7.22/zic.c	Thu Feb 10 08:54:04 1994
***************
*** 1,6 ****
  #ifndef lint
  #ifndef NOID
! static char	elsieid[] = "@(#)zic.c	7.21";
  #endif /* !defined NOID */
  #endif /* !defined lint */
  
--- 1,6 ----
  #ifndef lint
  #ifndef NOID
! static char	elsieid[] = "@(#)zic.c	7.22";
  #endif /* !defined NOID */
  #endif /* !defined lint */
  
***************
*** 1878,1890 ****
  }
  
  static int
! mkdirs(name)
! char * const	name;
  {
  	register char *	cp;
  
! 	if ((cp = name) == NULL || *cp == '\0')
  		return 0;
  	while ((cp = strchr(cp + 1, '/')) != 0) {
  		*cp = '\0';
  #ifndef unix
--- 1878,1892 ----
  }
  
  static int
! mkdirs(argname)
! char * const	argname;
  {
+ 	register char *	name;
  	register char *	cp;
  
! 	if (argname == NULL || *argname == '\0')
  		return 0;
+ 	cp = name = ecpyalloc(argname);
  	while ((cp = strchr(cp + 1, '/')) != 0) {
  		*cp = '\0';
  #ifndef unix
***************
*** 1906,1916 ****
--- 1908,1920 ----
  					"%s: Can't create directory ",
  					progname);
  				(void) perror(name);
+ 				ifree(name);
  				return -1;
  			}
  		}
  		*cp = '/';
  	}
+ 	ifree(name);
  	return 0;
  }