Function cbm_build_win_cmd_payload

src/foundation/subprocess.c:350–390

}

bool cbm_build_win_cmd_payload(char *buf, size_t cap, const char *cmd_executable,
                               const char *payload) {
    if (!buf || cap == 0) {
        return false;
    }
    buf[0] = '\0';
    if (!cbm_win_cmd_path_is_absolute(cmd_executable) || !payload || !payload[0]) {
        return false;
    }

    static const char prefix[] = "\" /D /S /V:OFF /C ";
    size_t executable_len = strlen(cmd_executable);
    size_t payload_len = strlen(payload);
    size_t remaining = cap - 1; /* reserve the final NUL */
    if (remaining < 1) {
        return false;
    }
    remaining--; /* opening quote */
    if (executable_len > remaining) {
        return false;
    }
    remaining -= executable_len;
    if (sizeof(prefix) - 1 > remaining) {
        return false;
    }
    remaining -= sizeof(prefix) - 1;
    if (payload_len > remaining) {
        return false;
    }

    size_t pos = 0;
    buf[pos++] = '"';
    memcpy(buf + pos, cmd_executable, executable_len);
    pos += executable_len;
    memcpy(buf + pos, prefix, sizeof(prefix) - 1);
    pos += sizeof(prefix) - 1;
    memcpy(buf + pos, payload, payload_len);
    pos += payload_len;
    buf[pos] = '\0';
    return true;
}

/* ── Nonblocking contained-process supervisor ─────────────────────────────── */