THUAI6/CAPI/cpp/grpc/include/upb/status.h

/*
 * Copyright (c) 2009-2021, Google LLC
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 *     * Neither the name of Google LLC nor the
 *       names of its contributors may be used to endorse or promote products
 *       derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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 */

#ifndef UPB_STATUS_H_
#define UPB_STATUS_H_

#include <stdarg.h>
#include <stdbool.h>

#include "upb/port_def.inc"

#ifdef __cplusplus
extern "C"
{
#endif

#define _kUpb_Status_MaxMessage 127

    typedef struct
    {
        bool ok;
        char msg[_kUpb_Status_MaxMessage]; /* Error message; NULL-terminated. */
    } upb_Status;

    const char* upb_Status_ErrorMessage(const upb_Status* status);
    bool upb_Status_IsOk(const upb_Status* status);

    /* These are no-op if |status| is NULL. */
    void upb_Status_Clear(upb_Status* status);
    void upb_Status_SetErrorMessage(upb_Status* status, const char* msg);
    void upb_Status_SetErrorFormat(upb_Status* status, const char* fmt, ...)
        UPB_PRINTF(2, 3);
    void upb_Status_VSetErrorFormat(upb_Status* status, const char* fmt, va_list args) UPB_PRINTF(2, 0);
    void upb_Status_VAppendErrorFormat(upb_Status* status, const char* fmt, va_list args) UPB_PRINTF(2, 0);

#include "upb/port_undef.inc"

#ifdef __cplusplus
} /* extern "C" */
#endif

#endif /* UPB_STATUS_H_ */