303 	char *oldvalue, *newvalue;  in env_append()  local
323 	newvalue = calloc(1, len + 2);  in env_append()
324 	if (!newvalue) {  in env_append()
329 	*newvalue = '\0';  in env_append()
332 		strcpy(newvalue, oldvalue);  in env_append()
333 		strcat(newvalue, " ");  in env_append()
337 		strcat(newvalue, varvalue);  in env_append()
339 	debug("%s: newvalue: %s\n", __func__, newvalue);  in env_append()
340 	env_set(varname, newvalue);  in env_append()
341 	free(newvalue);  in env_append()
349 	char *oldvalue, *newvalue, *dst, *sub;  in env_replace()  local
373 	newvalue = calloc(1, len);  in env_replace()
374 	if (!newvalue) {  in env_replace()
379 	*newvalue = '\0';  in env_replace()
386 	dst = newvalue;  in env_replace()
398 	env_set(varname, newvalue);  in env_replace()
399 	free(newvalue);  in env_replace()