static CharDriverState *chr_baum_init(const char *id, ChardevBackend *backend, ChardevReturn *ret, bool *be_opened, Error **errp) { ChardevCommon *common = backend->u.braille.data; BaumDriverState *baum; CharDriverState *chr; brlapi_handle_t *handle; chr = qemu_chr_alloc(common, errp); if (!chr) { return NULL; } baum = g_malloc0(sizeof(BaumDriverState)); baum->chr = chr; chr->opaque = baum; chr->chr_write = baum_write; chr->chr_accept_input = baum_accept_input; chr->chr_free = baum_free; handle = g_malloc0(brlapi_getHandleSize()); baum->brlapi = handle; baum->brlapi_fd = brlapi__openConnection(handle, NULL, NULL); if (baum->brlapi_fd == -1) { error_setg(errp, "brlapi__openConnection: %s", brlapi_strerror(brlapi_error_location())); goto fail_handle; } baum->deferred_init = 0; baum->cellCount_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, baum_cellCount_timer_cb, baum); qemu_set_fd_handler(baum->brlapi_fd, baum_chr_read, NULL, baum); return chr; fail_handle: g_free(handle); g_free(chr); g_free(baum); return NULL; }
static CharDriverState *chr_baum_init(const char *id, ChardevBackend *backend, ChardevReturn *ret, Error **errp) { ChardevCommon *common = backend->u.braille; BaumDriverState *baum; CharDriverState *chr; brlapi_handle_t *handle; #if defined(CONFIG_SDL) #if SDL_COMPILEDVERSION < SDL_VERSIONNUM(2, 0, 0) SDL_SysWMinfo info; #endif #endif int tty; chr = qemu_chr_alloc(common, errp); if (!chr) { return NULL; } baum = g_malloc0(sizeof(BaumDriverState)); baum->chr = chr; chr->opaque = baum; chr->chr_write = baum_write; chr->chr_accept_input = baum_accept_input; chr->chr_close = baum_close; handle = g_malloc0(brlapi_getHandleSize()); baum->brlapi = handle; baum->brlapi_fd = brlapi__openConnection(handle, NULL, NULL); if (baum->brlapi_fd == -1) { error_setg(errp, "brlapi__openConnection: %s", brlapi_strerror(brlapi_error_location())); goto fail_handle; } baum->cellCount_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, baum_cellCount_timer_cb, baum); if (brlapi__getDisplaySize(handle, &baum->x, &baum->y) == -1) { error_setg(errp, "brlapi__getDisplaySize: %s", brlapi_strerror(brlapi_error_location())); goto fail; } #if defined(CONFIG_SDL) #if SDL_COMPILEDVERSION < SDL_VERSIONNUM(2, 0, 0) memset(&info, 0, sizeof(info)); SDL_VERSION(&info.version); if (SDL_GetWMInfo(&info)) tty = info.info.x11.wmwindow; else #endif #endif tty = BRLAPI_TTY_DEFAULT; if (brlapi__enterTtyMode(handle, tty, NULL) == -1) { error_setg(errp, "brlapi__enterTtyMode: %s", brlapi_strerror(brlapi_error_location())); goto fail; } qemu_set_fd_handler(baum->brlapi_fd, baum_chr_read, NULL, baum); return chr; fail: timer_free(baum->cellCount_timer); brlapi__closeConnection(handle); fail_handle: g_free(handle); g_free(chr); g_free(baum); return NULL; }