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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Copyright by The HDF Group. *
* Copyright by the Board of Trustees of the University of Illinois. *
* All rights reserved. *
* *
* This file is part of HDF5. The full HDF5 copyright notice, including *
* terms governing use, modification, and redistribution, is contained in *
* the COPYING file, which can be found at the root of the source code *
* distribution tree, or in https://support.hdfgroup.org/ftp/HDF5/releases. *
* If you do not have access to either file, you may request a copy from *
* help@hdfgroup.org. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/*
* Header file for error values, etc.
*/
#ifndef H5TOOLS_ERROR_H_
#define H5TOOLS_ERROR_H_
#include "H5Epublic.h"
#include "H5Eprivate.h" /* Error handling */
/* tools-HDF5 Error variables */
H5TOOLS_DLLVAR hid_t H5tools_ERR_STACK_g;
H5TOOLS_DLLVAR hid_t H5tools_DBG_ERR_STACK_g;
H5TOOLS_DLLVAR hid_t H5tools_ERR_CLS_g;
H5TOOLS_DLLVAR hid_t H5tools_DBG_ERR_CLS_g;
H5TOOLS_DLLVAR hid_t H5E_tools_g;
H5TOOLS_DLLVAR hid_t H5E_tools_min_id_g;
H5TOOLS_DLLVAR hid_t H5E_tools_min_info_id_g;
H5TOOLS_DLLVAR hid_t H5E_tools_min_dbg_id_g;
/* Use FUNC to safely handle variations of C99 __func__ keyword handling */
#ifdef H5_HAVE_C99_FUNC
#define FUNC __func__
#elif defined(H5_HAVE_FUNCTION)
#define FUNC __FUNCTION__
#else
#error "We need __func__ or __FUNCTION__ to test function names!"
#endif
/*
* H5TOOLS_INIT_ERROR macro, used to initialize error reporting.
*/
#define H5TOOLS_INIT_ERROR() \
do { \
char lib_str[256]; \
\
/* Initialize library version string for error class */ \
HDsnprintf(lib_str, sizeof(lib_str), "%d.%d.%d", H5_VERS_MAJOR, H5_VERS_MINOR, H5_VERS_RELEASE); \
\
/* Create new HDF5 error stack for the tools to use */ \
if ((H5tools_ERR_STACK_g = H5Ecreate_stack()) < 0) \
HDfprintf(stderr, "Failed to create HDF5 tools error stack\n"); \
\
/* Create new HDF5 error stack for debugging, if tools debugging is enabled */ \
H5TOOLS_CREATE_DEBUG_STACK(); \
\
/* Register errors from the HDF5 tools as a new error class */ \
if ((H5tools_ERR_CLS_g = H5Eregister_class("H5tools", "HDF5:tools", lib_str)) < 0) \
HDfprintf(stderr, "Failed to register HDF5 tools error class\n"); \
\
/* Create a new HDF5 major error message for errors from the tools library */ \
if ((H5E_tools_g = H5Ecreate_msg(H5tools_ERR_CLS_g, H5E_MAJOR, "Failure in tools library")) < 0) \
HDfprintf(stderr, "Failed to register major error message for tools library errors\n"); \
\
/* Create a new HDF5 minor error message for errors from the tools library */ \
if ((H5E_tools_min_id_g = H5Ecreate_msg(H5tools_ERR_CLS_g, H5E_MINOR, "error in function")) < 0) \
HDfprintf(stderr, "Failed to register minor error message for tools library errors\n"); \
\
/* Create a new HDF5 minor error message for info messages from the tools library */ \
if ((H5E_tools_min_info_id_g = H5Ecreate_msg(H5tools_ERR_CLS_g, H5E_MINOR, "function info")) < 0) \
HDfprintf(stderr, "Failed to register minor error message for tools library info messages\n"); \
\
/* Create a new HDF5 minor error message for debug messages from the tools library */ \
if ((H5E_tools_min_dbg_id_g = H5Ecreate_msg(H5tools_ERR_CLS_g, H5E_MINOR, "function debug")) < 0) \
HDfprintf(stderr, "Failed to register minor error message for tools library debug messages\n"); \
} while(0)
/*
* H5TOOLS_CLOSE_ERROR macro, used to terminate error reporting.
*/
#define H5TOOLS_CLOSE_ERROR() \
do { \
/* Close all error messages created by H5TOOLS_INIT_ERROR() */ \
if (H5Eclose_msg(H5E_tools_min_dbg_id_g) < 0) \
HDfprintf(stderr, "Failed to close minor error message for tools library debug messages\n"); \
if (H5Eclose_msg(H5E_tools_min_info_id_g) < 0) \
HDfprintf(stderr, "Failed to close minor error message for tools library info messages\n"); \
if (H5Eclose_msg(H5E_tools_min_id_g) < 0) \
HDfprintf(stderr, "Failed to close minor error message for tools library errors\n"); \
if (H5Eclose_msg(H5E_tools_g) < 0) \
HDfprintf(stderr, "Failed to close major error message for tools library errors\n"); \
\
/* Unregister the HDF5 tools error class */ \
if (H5Eunregister_class(H5tools_ERR_CLS_g) < 0) \
HDfprintf(stderr, "Failed to unregister the HDF5 tools error class\n"); \
\
/* Close the tools debugging error stack, if it was created */ \
H5TOOLS_CLOSE_DEBUG_STACK(); \
\
/* Close the tools error stack */ \
if (H5Eclose_stack(H5tools_ERR_STACK_g) < 0) \
HDfprintf(stderr, "Failed to close HDF5 tools error stack\n"); \
} while(0)
/*
* H5TOOLS_PUSH_ERROR macro, used to push an error to an error stack. Not meant to
* be called directly.
*/
#define H5TOOLS_PUSH_ERROR(estack_id, err_cls, maj_err_id, min_err_id, ...) \
do { \
if (estack_id >= 0 && err_cls >= 0) \
H5Epush2(estack_id, __FILE__, FUNC, __LINE__, err_cls, maj_err_id, min_err_id, __VA_ARGS__); \
else { \
HDfprintf(stderr, __VA_ARGS__); \
HDfprintf(stderr, "\n"); \
} \
} while(0)
/*
* H5TOOLS_ERROR macro, used to facilitate error reporting within a function body.
* The arguments are the return value and an error string. The return value is assigned
* to a variable `ret_value'. This macro is meant to be used for reporting an error without
* having control branch to the `done' label. This is often used when an error occurs
* after the `done' label, in which case an infinite loop would ensue if control branched
* backwards.
*/
#define H5TOOLS_ERROR(ret_val, ...) \
do { \
H5TOOLS_PUSH_ERROR(H5tools_ERR_STACK_g, H5tools_ERR_CLS_g, H5E_tools_g, H5E_tools_min_id_g, __VA_ARGS__); \
ret_value = ret_val; \
} while(0)
/*
* H5TOOLS_GOTO_ERROR macro, used to facilitate error reporting within a function body.
* The arguments are the return value and an error string. The return value is assigned
* to a variable `ret_value' and control branches to the `done' label.
*/
#define H5TOOLS_GOTO_ERROR(ret_val, ...) \
do { \
H5TOOLS_PUSH_ERROR(H5tools_ERR_STACK_g, H5tools_ERR_CLS_g, H5E_tools_g, H5E_tools_min_id_g, __VA_ARGS__); \
H5TOOLS_GOTO_DONE(ret_val); \
} while(0)
/*
* H5TOOLS_GOTO_DONE macro, used to facilitate normal return within a function body.
* The argument is the return value which is assigned to the `ret_value'
* variable. Control branches to the `done' label.
*/
#define H5TOOLS_GOTO_DONE(ret_val) \
do { \
ret_value = ret_val; \
goto done; \
} while(0)
/*
* H5TOOLS_GOTO_DONE_NO_RET macro, used to facilitate normal return within a function body.
* Control simply branches to the `done' label without setting any return value.
*/
#define H5TOOLS_GOTO_DONE_NO_RET() \
do { \
goto done; \
} while(0)
/*
* H5TOOLS_INFO macro, used to facilitate error reporting. The arguments are
* a description of the error.
*/
#define H5TOOLS_INFO(...) \
do { \
H5TOOLS_PUSH_ERROR(H5tools_ERR_STACK_g, H5tools_ERR_CLS_g, H5E_tools_g, H5E_tools_min_info_id_g, __VA_ARGS__); \
} while(0)
#ifdef H5_TOOLS_DEBUG
#define H5TOOLS_CREATE_DEBUG_STACK() \
do { \
/* Create new HDF5 error stack for debugging */ \
if ((H5tools_DBG_ERR_STACK_g = H5Ecreate_stack()) < 0) \
HDfprintf(stderr, "Failed to create HDF5 tools debugging error stack\n"); \
\
/* Register debugging output from the HDF5 tools as a new error class */ \
if ((H5tools_DBG_ERR_CLS_g = H5Eregister_class("H5tools-debug", "HDF5:tools", lib_str)) < 0) \
HDfprintf(stderr, "Failed to register HDF5 tools debugging error class\n"); \
} while(0)
#define H5TOOLS_CLOSE_DEBUG_STACK() \
do { \
/* Unregister the HDF5 tools debugging error class */ \
if (H5Eunregister_class(H5tools_DBG_ERR_CLS_g) < 0) \
HDfprintf(stderr, "Failed to unregister the HDF5 tools debugging error class\n"); \
\
/* Close the tools debugging error stack */ \
if (H5Eclose_stack(H5tools_DBG_ERR_STACK_g) < 0) \
HDfprintf(stderr, "Failed to close HDF5 tools debugging error stack\n"); \
} while(0)
#define H5TOOLS_DEBUG(...) \
do { \
H5TOOLS_PUSH_ERROR(H5tools_DBG_ERR_STACK_g, H5tools_DBG_ERR_CLS_g, H5E_tools_g, H5E_tools_min_dbg_id_g, __VA_ARGS__); \
} while(0)
#define H5TOOLS_ENDDEBUG(...) \
do { \
H5TOOLS_PUSH_ERROR(H5tools_DBG_ERR_STACK_g, H5tools_DBG_ERR_CLS_g, H5E_tools_g, H5E_tools_min_dbg_id_g, __VA_ARGS__); \
H5Eprint2(H5tools_DBG_ERR_STACK_g, stderr); \
} while(0)
#else
#define H5TOOLS_CREATE_DEBUG_STACK() \
do { \
; \
} while(0)
#define H5TOOLS_CLOSE_DEBUG_STACK() \
do { \
; \
} while(0)
#define H5TOOLS_DEBUG(...) \
do { \
; \
} while(0)
#define H5TOOLS_ENDDEBUG(...) \
do { \
; \
} while(0)
#endif
/* Macro for "catching" flow of control when an error occurs. Note that the
* H5_LEAVE macro won't jump back here once it's past this point.
*/
/* #define CATCH catch_except:; past_catch = TRUE; defined in H5Eprivate.h */
/*
* H5_LEAVE macro, used to facilitate control flow between a
* BEGIN_FUNC() and an END_FUNC() within a function body. The argument is
* the return value.
* The return value is assigned to a variable `ret_value' and control branches
* to the `catch_except' label, if we're not already past it.
*/
/*
* #define H5_LEAVE(v) { \
* ret_value = v; \
* if(!past_catch) \
* goto catch_except; \
* }
* defined in H5Eprivate.h */
/*
* H5TOOLS_THROW macro, used to facilitate error reporting within a function body.
* The arguments are the minor error number, and an error string.
* The return value is assigned to a variable `ret_value' and control branches
* to the `catch_except' label, if we're not already past it.
*/
#define H5TOOLS_THROW(ret_val, ...) \
do { \
H5TOOLS_PUSH_ERROR(H5tools_ERR_STACK_g, H5tools_ERR_CLS_g, H5E_tools_g, H5E_tools_min_id_g, __VA_ARGS__); \
H5_LEAVE(ret_val) \
} while(0)
#endif /* H5TOOLS_ERROR_H_ */
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