Function openai_tool_start_param

ds4_server.c:5739–5763

    for (;;) {
        p = skip_ascii_ws(p);
        if (strncmp(p, tool_start, strlen(tool_start)) != 0) break;
        p += strlen(tool_start);

        const char *close = strstr(p, tool_end);
        if (!close) return false;
        const char *arg = strstr(p, arg_key_start);
        if (arg && arg > close) arg = NULL;

        const char *name_start = p;
        const char *name_end = arg ? arg : close;
        trim_const_span(&name_start, &name_end);
        if (name_end <= name_start) return false;
        char *name = xstrndup(name_start, (size_t)(name_end - name_start));
        p = name_end;

        buf args = {0};
        for (;;) {
            p = skip_ascii_ws(p);
            if (!strncmp(p, tool_end, strlen(tool_end))) {
                p += strlen(tool_end);
                break;
            }
            if (strncmp(p, arg_key_start, strlen(arg_key_start)) != 0) {
                free(name);
                buf_free(&args);
                return false;
            }
            p += strlen(arg_key_start);