+ {
+ char *envargs = getenv("envargs");
+ if (envargs) {
+ int i;
+ /* Decode the arguments in-place and count the number of them.
+ * They were hex encoded using [A-P] instead of [0-9A-F]. */
+ for (argc = 0, i = 0; envargs[i] && envargs[i + 1]; i += 2) {
+ char c = ((envargs[i] - 'A') << 4) + (envargs[i + 1] - 'A');
+ if (c == 0) {
+ ++argc;
+ }
+ envargs[i / 2 + 1] = c;
+ }
+ if (argc == 0 || (argv = malloc(sizeof(char *) * argc)) == NULL) {
+ fatal("Failed to parse envargs!");
+ }
+ for (envargs[0] = 0, i = 0; i < argc; ++envargs) {
+ if (envargs[0] == 0) {
+ argv[i++] = &envargs[1];
+ }
+ }
+ }
+ }