token_list_t *init_token_list(int max_tokens, int max_token_size)
{
int i;
token_list_t *list = parse_alloc(sizeof(token_list_t));
//bzero
if (list == 0) return 0;
list->max_tokens = max_tokens;
list->tokens = (char **) parse_alloc(sizeof(char*) * max_tokens);
list->max_token_size = max_token_size;
for(i=0; i < max_tokens; i++)
{
TK[i] = (char *) parse_alloc(max_token_size);
if (TK[i] == 0) {
destroy_token_list(list);
return 0;
}
}
list->token_index = 0;
list->max_line_length = 512;
return list;
}
/**
* Simplify the command and call one of the sub parser functions
*
* @param cmd Raw command string. This parameter is mutated. This
* parameter cannot be NULL.
* @param cmd_len Length in bytes of the command string.
* @return Program status.
*/
static status_t parse_command(char* cmd, int cmd_len)
{
assert(cmd != NULL);
int ws_cursor = 0;
if (cmd[0] == '\0' || cmd[0] == '\n' || cmd[0] == '\r')
return SUCCESS;
// remove whitespace from command
for (int i = 0; i < cmd_len; ++i) {
switch (cmd[i]) {
case ' ':
case '\n':
case '\r':
case '\t':
break;
default:
cmd[ws_cursor++] = cmd[i];
}
}
status_t status;
// We have 2 commands: alloc and free.
if (strstr(cmd, "alloc") != NULL)
status = parse_alloc(cmd);
else if (strstr(cmd, "free") != NULL)
status = parse_free(cmd);
else
return parse_error(cmd);
if (status != SUCCESS)
return status;
// Output free blocks
buddy_dump();
return SUCCESS;
}
