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- #include <stddef.h>
- #include <stdlib.h>
- #include <string.h>
- #include <windows.h>
- #include "proc.h"
- /*
- * Description: Convert a NULL string terminated UNIX environment block to
- * an environment block suitable for a windows32 system call
- *
- * Returns: TRUE= success, FALSE=fail
- *
- * Notes/Dependencies: the environment block is sorted in case-insensitive
- * order, is double-null terminated, and is a char *, not a char **
- */
- int _cdecl compare(const void *a1, const void *a2)
- {
- return _stricoll(*((char**)a1),*((char**)a2));
- }
- bool_t
- arr2envblk(char **arr, char **envblk_out)
- {
- char **tmp;
- int size_needed;
- int arrcnt;
- char *ptr;
- arrcnt = 0;
- while (arr[arrcnt]) {
- arrcnt++;
- }
- tmp = (char**) calloc(arrcnt + 1, sizeof(char *));
- if (!tmp) {
- return FALSE;
- }
- arrcnt = 0;
- size_needed = 0;
- while (arr[arrcnt]) {
- tmp[arrcnt] = arr[arrcnt];
- size_needed += strlen(arr[arrcnt]) + 1;
- arrcnt++;
- }
- size_needed++;
- qsort((void *) tmp, (size_t) arrcnt, sizeof (char*), compare);
- ptr = *envblk_out = calloc(size_needed, 1);
- if (!ptr) {
- free(tmp);
- return FALSE;
- }
- arrcnt = 0;
- while (tmp[arrcnt]) {
- strcpy(ptr, tmp[arrcnt]);
- ptr += strlen(tmp[arrcnt]) + 1;
- arrcnt++;
- }
- free(tmp);
- return TRUE;
- }
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