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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://www.hdfgroup.org/licenses. *
* If you do not have access to either file, you may request a copy from *
* help@hdfgroup.org. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/*
* This file contains public declarations for the H5E module.
*/
#ifndef H5Epublic_H
#define H5Epublic_H
#include <stdio.h> /*FILE arg of H5Eprint() */
/* Public headers needed by this file */
#include "H5public.h"
#include "H5Ipublic.h"
/* Value for the default error stack */
#define H5E_DEFAULT (hid_t)0
/* Different kinds of error information */
typedef enum H5E_type_t { H5E_MAJOR, H5E_MINOR } H5E_type_t;
/* Information about an error; element of error stack */
typedef struct H5E_error2_t {
hid_t cls_id; /*class ID */
hid_t maj_num; /*major error ID */
hid_t min_num; /*minor error number */
unsigned line; /*line in file where error occurs */
const char *func_name; /*function in which error occurred */
const char *file_name; /*file in which error occurred */
const char *desc; /*optional supplied description */
} H5E_error2_t;
/* When this header is included from a private header, don't make calls to H5open() */
#undef H5OPEN
#ifndef _H5private_H
#define H5OPEN H5open(),
#else /* _H5private_H */
#define H5OPEN
#endif /* _H5private_H */
/* HDF5 error class */
#define H5E_ERR_CLS (H5OPEN H5E_ERR_CLS_g)
H5_DLLVAR hid_t H5E_ERR_CLS_g;
/* Include the automatically generated public header information */
/* (This includes the list of major and minor error codes for the library) */
#include "H5Epubgen.h"
/*
* One often needs to temporarily disable automatic error reporting when
* trying something that's likely or expected to fail. The code to try can
* be nested between calls to H5Eget_auto() and H5Eset_auto(), but it's
* easier just to use this macro like:
* H5E_BEGIN_TRY {
* ...stuff here that's likely to fail...
* } H5E_END_TRY;
*
* Warning: don't break, return, or longjmp() from the body of the loop or
* the error reporting won't be properly restored!
*
* These two macros still use the old API functions for backward compatibility
* purpose.
*/
#ifndef H5_NO_DEPRECATED_SYMBOLS
#define H5E_BEGIN_TRY \
{ \
unsigned H5E_saved_is_v2; \
union { \
H5E_auto1_t efunc1; \
H5E_auto2_t efunc2; \
} H5E_saved; \
void *H5E_saved_edata; \
\
(void)H5Eauto_is_v2(H5E_DEFAULT, &H5E_saved_is_v2); \
if (H5E_saved_is_v2) { \
(void)H5Eget_auto2(H5E_DEFAULT, &H5E_saved.efunc2, &H5E_saved_edata); \
(void)H5Eset_auto2(H5E_DEFAULT, NULL, NULL); \
} \
else { \
(void)H5Eget_auto1(&H5E_saved.efunc1, &H5E_saved_edata); \
(void)H5Eset_auto1(NULL, NULL); \
}
#define H5E_END_TRY \
if (H5E_saved_is_v2) \
(void)H5Eset_auto2(H5E_DEFAULT, H5E_saved.efunc2, H5E_saved_edata); \
else \
(void)H5Eset_auto1(H5E_saved.efunc1, H5E_saved_edata); \
}
#else /* H5_NO_DEPRECATED_SYMBOLS */
#define H5E_BEGIN_TRY \
{ \
H5E_auto2_t saved_efunc; \
void * H5E_saved_edata; \
\
(void)H5Eget_auto2(H5E_DEFAULT, &saved_efunc, &H5E_saved_edata); \
(void)H5Eset_auto2(H5E_DEFAULT, NULL, NULL);
#define H5E_END_TRY \
(void)H5Eset_auto2(H5E_DEFAULT, saved_efunc, H5E_saved_edata); \
}
#endif /* H5_NO_DEPRECATED_SYMBOLS */
/*
* Public API Convenience Macros for Error reporting - Documented
*/
/* Use the Standard C __FILE__ & __LINE__ macros instead of typing them in */
#define H5Epush_sim(func, cls, maj, min, str) \
H5Epush2(H5E_DEFAULT, __FILE__, func, __LINE__, cls, maj, min, str)
/*
* Public API Convenience Macros for Error reporting - Undocumented
*/
/* Use the Standard C __FILE__ & __LINE__ macros instead of typing them in */
/* And return after pushing error onto stack */
#define H5Epush_ret(func, cls, maj, min, str, ret) \
{ \
H5Epush2(H5E_DEFAULT, __FILE__, func, __LINE__, cls, maj, min, str); \
return (ret); \
}
/* Use the Standard C __FILE__ & __LINE__ macros instead of typing them in
* And goto a label after pushing error onto stack.
*/
#define H5Epush_goto(func, cls, maj, min, str, label) \
{ \
H5Epush2(H5E_DEFAULT, __FILE__, func, __LINE__, cls, maj, min, str); \
goto label; \
}
/* Error stack traversal direction */
typedef enum H5E_direction_t {
H5E_WALK_UPWARD = 0, /*begin deep, end at API function */
H5E_WALK_DOWNWARD = 1 /*begin at API function, end deep */
} H5E_direction_t;
#ifdef __cplusplus
extern "C" {
#endif
/* Error stack traversal callback function pointers */
typedef herr_t (*H5E_walk2_t)(unsigned n, const H5E_error2_t *err_desc, void *client_data);
typedef herr_t (*H5E_auto2_t)(hid_t estack, void *client_data);
/* Public API functions */
H5_DLL hid_t H5Eregister_class(const char *cls_name, const char *lib_name, const char *version);
H5_DLL herr_t H5Eunregister_class(hid_t class_id);
H5_DLL herr_t H5Eclose_msg(hid_t err_id);
H5_DLL hid_t H5Ecreate_msg(hid_t cls, H5E_type_t msg_type, const char *msg);
H5_DLL hid_t H5Ecreate_stack(void);
H5_DLL hid_t H5Eget_current_stack(void);
H5_DLL herr_t H5Eclose_stack(hid_t stack_id);
H5_DLL ssize_t H5Eget_class_name(hid_t class_id, char *name, size_t size);
H5_DLL herr_t H5Eset_current_stack(hid_t err_stack_id);
H5_DLL herr_t H5Epush2(hid_t err_stack, const char *file, const char *func, unsigned line, hid_t cls_id,
hid_t maj_id, hid_t min_id, const char *msg, ...);
H5_DLL herr_t H5Epop(hid_t err_stack, size_t count);
H5_DLL herr_t H5Eprint2(hid_t err_stack, FILE *stream);
H5_DLL herr_t H5Ewalk2(hid_t err_stack, H5E_direction_t direction, H5E_walk2_t func, void *client_data);
H5_DLL herr_t H5Eget_auto2(hid_t estack_id, H5E_auto2_t *func, void **client_data);
H5_DLL herr_t H5Eset_auto2(hid_t estack_id, H5E_auto2_t func, void *client_data);
H5_DLL herr_t H5Eclear2(hid_t err_stack);
H5_DLL herr_t H5Eauto_is_v2(hid_t err_stack, unsigned *is_stack);
H5_DLL ssize_t H5Eget_msg(hid_t msg_id, H5E_type_t *type, char *msg, size_t size);
H5_DLL ssize_t H5Eget_num(hid_t error_stack_id);
/* Symbols defined for compatibility with previous versions of the HDF5 API.
*
* Use of these symbols is deprecated.
*/
#ifndef H5_NO_DEPRECATED_SYMBOLS
/* Typedefs */
/* Alias major & minor error types to hid_t's, for compatibility with new
* error API in v1.8
*/
typedef hid_t H5E_major_t;
typedef hid_t H5E_minor_t;
/* Information about an error element of error stack. */
typedef struct H5E_error1_t {
H5E_major_t maj_num; /*major error number */
H5E_minor_t min_num; /*minor error number */
const char *func_name; /*function in which error occurred */
const char *file_name; /*file in which error occurred */
unsigned line; /*line in file where error occurs */
const char *desc; /*optional supplied description */
} H5E_error1_t;
/* Error stack traversal callback function pointers */
typedef herr_t (*H5E_walk1_t)(int n, H5E_error1_t *err_desc, void *client_data);
typedef herr_t (*H5E_auto1_t)(void *client_data);
/* Function prototypes */
H5_DLL herr_t H5Eclear1(void);
H5_DLL herr_t H5Eget_auto1(H5E_auto1_t *func, void **client_data);
H5_DLL herr_t H5Epush1(const char *file, const char *func, unsigned line, H5E_major_t maj, H5E_minor_t min,
const char *str);
H5_DLL herr_t H5Eprint1(FILE *stream);
H5_DLL herr_t H5Eset_auto1(H5E_auto1_t func, void *client_data);
H5_DLL herr_t H5Ewalk1(H5E_direction_t direction, H5E_walk1_t func, void *client_data);
H5_DLL char * H5Eget_major(H5E_major_t maj);
H5_DLL char * H5Eget_minor(H5E_minor_t min);
#endif /* H5_NO_DEPRECATED_SYMBOLS */
#ifdef __cplusplus
}
#endif
#endif /* end H5Epublic_H */
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