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      1 /* Process handling for Windows
      2 Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
      3 2006 Free Software Foundation, Inc.
      4 This file is part of GNU Make.
      5 
      6 GNU Make is free software; you can redistribute it and/or modify it under the
      7 terms of the GNU General Public License as published by the Free Software
      8 Foundation; either version 2, or (at your option) any later version.
      9 
     10 GNU Make is distributed in the hope that it will be useful, but WITHOUT ANY
     11 WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
     12 A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
     13 
     14 You should have received a copy of the GNU General Public License along with
     15 GNU Make; see the file COPYING.  If not, write to the Free Software
     16 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.  */
     17 
     18 #include <stddef.h>
     19 #include <stdlib.h>
     20 #include <string.h>
     21 #include <windows.h>
     22 #include "proc.h"
     23 
     24 
     25 /*
     26  * Description:  Convert a NULL string terminated UNIX environment block to
     27  *		an environment block suitable for a windows32 system call
     28  *
     29  * Returns:  TRUE= success, FALSE=fail
     30  *
     31  * Notes/Dependencies:  the environment block is sorted in case-insensitive
     32  *	order, is double-null terminated, and is a char *, not a char **
     33  */
     34 int _cdecl compare(const void *a1, const void *a2)
     35 {
     36 	return _stricoll(*((char**)a1),*((char**)a2));
     37 }
     38 bool_t
     39 arr2envblk(char **arr, char **envblk_out)
     40 {
     41 	char **tmp;
     42 	int size_needed;
     43 	int arrcnt;
     44 	char *ptr;
     45 
     46 	arrcnt = 0;
     47 	while (arr[arrcnt]) {
     48 		arrcnt++;
     49 	}
     50 
     51 	tmp = (char**) calloc(arrcnt + 1, sizeof(char *));
     52 	if (!tmp) {
     53 		return FALSE;
     54 	}
     55 
     56 	arrcnt = 0;
     57 	size_needed = 0;
     58 	while (arr[arrcnt]) {
     59 		tmp[arrcnt] = arr[arrcnt];
     60 		size_needed += strlen(arr[arrcnt]) + 1;
     61 		arrcnt++;
     62 	}
     63 	size_needed++;
     64 
     65 	qsort((void *) tmp, (size_t) arrcnt, sizeof (char*), compare);
     66 
     67 	ptr = *envblk_out = calloc(size_needed, 1);
     68 	if (!ptr) {
     69 		free(tmp);
     70 		return FALSE;
     71 	}
     72 
     73 	arrcnt = 0;
     74 	while (tmp[arrcnt]) {
     75 		strcpy(ptr, tmp[arrcnt]);
     76 		ptr += strlen(tmp[arrcnt]) + 1;
     77 		arrcnt++;
     78 	}
     79 
     80         free(tmp);
     81 	return TRUE;
     82 }
     83