static int apipe_write(
const char* path,
const char* buf,
size_t count,
off_t offset,
struct fuse_file_info* info) {
if (count == 0) return 0;
struct PP_Var req_var = nspawn_dict_create();
nspawn_dict_setstring(req_var, "command", "nacl_apipe_write");
nspawn_dict_setint(req_var, "pipe_id", info->fh);
struct PP_Var data = PSInterfaceVarArrayBuffer()->Create(count);
if (data.type == PP_VARTYPE_NULL) return -EIO;
void *p = PSInterfaceVarArrayBuffer()->Map(data);
if (count > 0 && !p) {
nspawn_var_release(data);
nspawn_var_release(req_var);
return -EIO;
}
memcpy(p, buf, count);
PSInterfaceVarArrayBuffer()->Unmap(data);
nspawn_dict_set(req_var, "data", data);
struct PP_Var result_var = nspawn_send_request(req_var);
int ret = nspawn_dict_getint(result_var, "count");
nspawn_var_release(result_var);
return ret;
}
void nspawn_dict_setint(struct PP_Var dict_var,
const char* key,
int32_t v) {
nspawn_dict_set(dict_var, key, PP_MakeInt32(v));
}
void nspawn_dict_setstring(struct PP_Var dict,
const char* key,
const char* value) {
struct PP_Var value_var = PSInterfaceVar()->VarFromUtf8(value, strlen(value));
nspawn_dict_set(dict, key, value_var);
}
