+ /* CreateProcess takes the environment list as a null terminated set of
+ strings (i.e. two nulls terminate the list). */
+
+ /* Get total size for env strings. */
+ for (envlen = 0, i = 0; in_env[i] && *in_env[i]; i++)
+ envlen += strlen (in_env[i]) + 1;
+
+ envsize = sizeof (in_env[0]) * (i + 1);
+ env = (char **) alloca (envsize);
+ memcpy (env, in_env, envsize);
+ /* Windows programs expect the environment block to be sorted. */
+ qsort (env, i, sizeof (char *), envvar_cmp);
+
+ w32env = alloca (envlen + 1);
+
+ /* Copy env strings into new buffer. */
+ for (temp = w32env, i = 0; env[i] && *env[i]; i++)
+ {
+ strcpy (temp, env[i]);
+ temp += strlen (temp) + 1;
+ }
+
+ /* Final nil string to terminate new env. */
+ *temp = 0;
+