diff options
Diffstat (limited to 'src/H5Epublic.h')
| -rw-r--r-- | src/H5Epublic.h | 788 |
1 files changed, 749 insertions, 39 deletions
diff --git a/src/H5Epublic.h b/src/H5Epublic.h index a2554d5..20a2107 100644 --- a/src/H5Epublic.h +++ b/src/H5Epublic.h @@ -26,18 +26,29 @@ /* Value for the default error stack */ #define H5E_DEFAULT (hid_t)0 -/* Different kinds of error information */ +/** + * 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 */ +/** + * 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 */ + 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() */ @@ -138,10 +149,12 @@ H5_DLLVAR hid_t H5E_ERR_CLS_g; goto label; \ } -/* Error stack traversal direction */ +/** + * 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_WALK_UPWARD = 0, /**< begin w/ most specific error, end at API function */ + H5E_WALK_DOWNWARD = 1 /**< begin at API function, end w/ most specific error */ } H5E_direction_t; #ifdef __cplusplus @@ -149,30 +162,498 @@ extern "C" { #endif /* Error stack traversal callback function pointers */ +//! <!-- [H5E_walk2_t_snip] --> +/** + * \brief Callback function for H5Ewalk2() + * + * \param[in] n Indexed error position in the stack + * \param[in] err_desc Pointer to a data structure describing the error + * \param[in] client_data Pointer to client data in the format expected by the + * user-defined function + * \return \herr_t + */ typedef herr_t (*H5E_walk2_t)(unsigned n, const H5E_error2_t *err_desc, void *client_data); +//! <!-- [H5E_walk2_t_snip] --> + +//! <!-- [H5E_auto2_t_snip] --> +/** + * \brief Callback function for H5Eset_auto2() + * + * \estack_id{estack} + * \param[in] client_data Pointer to client data in the format expected by the + * user-defined function + * \return \herr_t + */ typedef herr_t (*H5E_auto2_t)(hid_t estack, void *client_data); +//! <!-- [H5E_auto2_t_snip] --> /* 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 H5Eappend_stack(hid_t dst_stack_id, hid_t src_stack_id, hbool_t close_source_stack); -H5_DLL herr_t H5Eclose_stack(hid_t stack_id); +/** + * -------------------------------------------------------------------------- + * \ingroup H5E + * + * \brief Registers a client library or application program to the HDF5 error API + * + * \param[in] cls_name Name of the error class + * \param[in] lib_name Name of the client library or application to which the error class belongs + * \param[in] version Version of the client library or application to which the + error class belongs. Can be \c NULL. + * \return Returns a class identifier on success; otherwise returns H5I_INVALID_ID. + * + * \details H5Eregister_class() registers a client library or application + * program to the HDF5 error API so that the client library or + * application program can report errors together with the HDF5 + * library. It receives an identifier for this error class for further + * error operations. The library name and version number will be + * printed out in the error message as a preamble. + * + * \since 1.8.0 + */ +H5_DLL hid_t H5Eregister_class(const char *cls_name, const char *lib_name, const char *version); +/** + * -------------------------------------------------------------------------- + * \ingroup H5E + * + * \brief Removes an error class + * + * \param[in] class_id Error class identifier. + * \return \herr_t + * + * \details H5Eunregister_class() removes the error class specified by \p + * class_id. All the major and minor errors in this class will also be + * closed. + * + * \since 1.8.0 + */ +H5_DLL herr_t H5Eunregister_class(hid_t class_id); +/** + * -------------------------------------------------------------------------- + * \ingroup H5E + * + * \brief Closes an error message + * + * \param[in] err_id An error message identifier + * \return \herr_t + * + * \details H5Eclose_msg() closes an error message identifier, which can be + * either a major or minor message. + * + * \since 1.8.0 + */ +H5_DLL herr_t H5Eclose_msg(hid_t err_id); +/** + * -------------------------------------------------------------------------- + * \ingroup H5E + * + * \brief Adds a major error message to an error class + * + * \param[in] cls An error class identifier + * \param[in] msg_type The type of the error message + * \param[in] msg Major error message + * \return \herr_t + * + * \details H5Ecreate_msg() adds an error message to an error class defined by + * client library or application program. The error message can be + * either major or minor as indicated by the parameter \p msg_type. + * + * Use H5Eclose_msg() to close the message identifier returned by this + * function. + * + * \since 1.8.0 + */ +H5_DLL hid_t H5Ecreate_msg(hid_t cls, H5E_type_t msg_type, const char *msg); +/** + * -------------------------------------------------------------------------- + * \ingroup H5E + * + * \brief Creates a new, empty error stack + * + * \return \hid_ti{error stack} + * + * \details H5Ecreate_stack() creates a new empty error stack and returns the + * new stack’s identifier. Use H5Eclose_stack() to close the error stack + * identifier returned by this function. + * + * \since 1.8.0 + */ +H5_DLL hid_t H5Ecreate_stack(void); +/** + * -------------------------------------------------------------------------- + * \ingroup H5E + * + * \brief Returns a copy of the current error stack + * + * \return \hid_ti{error stack} + * + * \details H5Eget_current_stack() copies the current error stack and returns an + * error stack identifier for the new copy. + * + * \since 1.8.0 + */ +H5_DLL hid_t H5Eget_current_stack(void); +/** + * -------------------------------------------------------------------------- + * \ingroup H5E + * + * \brief Appends one error stack to another, optionally closing the source + * stack. + * + * \estack_id{dst_stack_id} + * \estack_id{src_stack_id} + * \param[in] close_source_stack Flag to indicate whether to close the source stack + * \return \herr_t + * + * \details H5Eappend_stack() appends the messages from error stack + * \p src_stack_id to the error stack \p dst_stack_id. + * If \p close_source_stack is \c TRUE, the source error stack + * will be closed. + * + * \since 1.8.0 + */ +H5_DLL herr_t H5Eappend_stack(hid_t dst_stack_id, hid_t src_stack_id, hbool_t close_source_stack); +/** + * -------------------------------------------------------------------------- + * \ingroup H5E + * + * \brief Closes an error stack handle + * + * \estack_id{stack_id} + * + * \return \herr_t + * + * \details H5Eclose_stack() closes the error stack handle \p stack_id + * and releases its resources. #H5E_DEFAULT cannot be closed. + * + * \since 1.8.0 + */ +H5_DLL herr_t H5Eclose_stack(hid_t stack_id); +/** + * -------------------------------------------------------------------------- + * \ingroup H5E + * + * \brief Retrieves error class name + * + * \param[in] class_id Error class identifier + * \param[out] name Buffer for the error class name + * \param[in] size The maximum number of characters the class name to be returned + * by this function in\p name. + * \return Returns non-negative value as on success; otherwise returns negative value. + * + * \details H5Eget_class_name() retrieves the name of the error class specified + * by the class identifier. If non-NULL pointer is passed in for \p + * name and \p size is greater than zero, the class name of \p size + * long is returned. The length of the error class name is also + * returned. If NULL is passed in as \p name, only the length of class + * name is returned. If zero is returned, it means no name. The user is + * responsible for allocating sufficient buffer space for the name. + * + * \since 1.8.0 + */ 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); +/** + * -------------------------------------------------------------------------- + * \ingroup H5E + * + * \brief Replaces the current error stack + * + * \estack_id{err_stack_id} + * + * \return \herr_t + * + * \details H5Eset_current_stack() replaces the content of the current error + * stack with a copy of the content of the error stack specified by + * \p err_stack_id, and it closes the error stack specified by + * \p err_stack_id. + * + * \since 1.8.0 + */ +H5_DLL herr_t H5Eset_current_stack(hid_t err_stack_id); +/** + * -------------------------------------------------------------------------- + * \ingroup H5E + * + * \brief Pushes a new error record onto an error stack + * + * \estack_id{err_stack}. If the identifier is #H5E_DEFAULT, the error record + * will be pushed to the current stack. + * \param[in] file Name of the file in which the error was detected + * \param[in] func Name of the function in which the error was detected + * \param[in] line Line number in the file where the error was detected + * \param[in] cls_id Error class identifier + * \param[in] maj_id Major error identifier + * \param[in] min_id Minor error identifier + * \param[in] msg Error description string + * \return \herr_t + * + * \details H5Epush2() pushes a new error record onto the error stack specified + * by \p err_stack.\n + * The error record contains the error class identifier \p cls_id, the + * major and minor message identifiers \p maj_id and \p min_id, the + * function name \p func where the error was detected, the file name \p + * file and line number \p line in the file where the error was + * detected, and an error description \p msg.\n + * The major and minor errors must be in the same error class.\n + * The function name, filename, and error description strings must be + * statically allocated.\n + * \p msg can be a format control string with additional + * arguments. This design of appending additional arguments is similar + * to the system and C functions printf() and fprintf(). + * + * \since 1.8.0 + */ +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, ...); +/** + * -------------------------------------------------------------------------- + * \ingroup H5E + * + * \brief Deletes specified number of error messages from the error stack + * + * \estack_id{err_stack} + * \param[in] count The number of error messages to be deleted from the top + * of error stack + * \return \herr_t + * + * \details H5Epop() deletes the number of error records specified in \p count + * from the top of the error stack specified by \p err_stack (including + * major, minor messages and description). The number of error messages + * to be deleted is specified by \p count. + * + * \since 1.8.0 + */ +H5_DLL herr_t H5Epop(hid_t err_stack, size_t count); +/** + * -------------------------------------------------------------------------- + * \ingroup H5E + * + * \brief Prints the specified error stack in a default manner + * + * \estack_id{err_stack} + * \param[in] stream File pointer, or \c NULL for \c stderr + * \return \herr_t + * + * \details H5Eprint2() prints the error stack specified by \p err_stack on the + * specified stream, \p stream. Even if the error stack is empty, a + * one-line message of the following form will be printed: + * \code{.unparsed} + * HDF5-DIAG: Error detected in HDF5 library version: 1.5.62 thread 0. + * \endcode + * + * A similar line will appear before the error messages of each error + * class stating the library name, library version number, and thread + * identifier. + * + * If \p err_stack is #H5E_DEFAULT, the current error stack will be + * printed. + * + * H5Eprint2() is a convenience function for H5Ewalk2() with a function + * that prints error messages. Users are encouraged to write their own + * more specific error handlers. + * + * \since 1.8.0 + */ +H5_DLL herr_t H5Eprint2(hid_t err_stack, FILE *stream); +/** + * -------------------------------------------------------------------------- + * \ingroup H5E + * + * \brief Walks the specified error stack, calling the specified function + * + * \estack_id{err_stack} + * \param[in] direction Direction in which the error stack is to be walked + * \param[in] func Function to be called for each error encountered + * \param[in] client_data Data to be passed to \p func + * \return \herr_t + * + * \details H5Ewalk2() walks the error stack specified by err_stack for the + * current thread and calls the function specified in \p func for each + * error along the way. + * + * If the value of \p err_stack is #H5E_DEFAULT, then H5Ewalk2() walks + * the current error stack. + * + * \p direction specifies whether the stack is walked from the inside + * out or the outside in. A value of #H5E_WALK_UPWARD means to begin + * with the most specific error and end at the API; a value of + * #H5E_WALK_DOWNWARD means to start at the API and end at the + * innermost function where the error was first detected. + * + * \p func, a function conforming to the #H5E_walk2_t prototype, will + * be called for each error in the error stack. Its arguments will + * include an index number \c n (beginning at zero regardless of stack + * traversal direction), an error stack entry \c err_desc, and the \c + * client_data pointer passed to H5Eprint(). The #H5E_walk2_t prototype + * is as follows: + * \snippet this H5E_walk2_t_snip + * + * \since 1.8.0 + */ +H5_DLL herr_t H5Ewalk2(hid_t err_stack, H5E_direction_t direction, H5E_walk2_t func, void *client_data); +/** + * -------------------------------------------------------------------------- + * \ingroup H5E + * + * \brief Returns the settings for the automatic error stack traversal + * function and its data + * + * \estack_id + * \param[out] func The function currently set to be called upon an error condition + * \param[out] client_data Data currently set to be passed to the error function + * \return \herr_t + * + * \details H5Eget_auto2() returns the settings for the automatic error stack + * traversal function, \p func, and its data, \p client_data, that are + * associated with the error stack specified by \p estack_id. + * + * Either or both of the \p func and \p client_data arguments may be + * \c NULL, in which case the value is not returned. + * + * The library initializes its default error stack traversal functions + * to H5Eprint1() and H5Eprint2(). A call to H5Eget_auto2() returns + * H5Eprint2() or the user-defined function passed in through + * H5Eset_auto2(). A call to H5Eget_auto1() returns H5Eprint1() or the + * user-defined function passed in through H5Eset_auto1(). However, if + * the application passes in a user-defined function through + * H5Eset_auto1(), it should call H5Eget_auto1() to query the traversal + * function. If the application passes in a user-defined function + * through H5Eset_auto2(), it should call H5Eget_auto2() to query the + * traversal function. + * + * Mixing the new style and the old style functions will cause a + * failure. For example, if the application sets a user-defined + * old-style traversal function through H5Eset_auto1(), a call to + * H5Eget_auto2() will fail and will indicate that the application has + * mixed H5Eset_auto1() and H5Eget_auto2(). On the other hand, mixing + * H5Eset_auto2() and H5Eget_auto1() will also cause a failure. But if + * the traversal functions are the library’s default H5Eprint1() or + * H5Eprint2(), mixing H5Eset_auto1() and H5Eget_auto2() or mixing + * H5Eset_auto2() and H5Eget_auto1() does not fail. + * + * \since 1.8.0 + */ +H5_DLL herr_t H5Eget_auto2(hid_t estack_id, H5E_auto2_t *func, void **client_data); +/** + * -------------------------------------------------------------------------- + * \ingroup H5E + * + * \brief Turns automatic error printing on or off + * + * \estack_id + * \param[in] func Function to be called upon an error condition + * \param[in] client_data Data passed to the error function + * \return \herr_t + * + * \details H5Eset_auto2() turns on or off automatic printing of errors for the + * error stack specified with \p estack_id. An \p estack_id value of + * #H5E_DEFAULT indicates the current stack. + * + * When automatic printing is turned on, by the use of a non-null \p func + * pointer, any API function which returns an error indication will + * first call \p func, passing it \p client_data as an argument. + * + * \p func, a function compliant with the #H5E_auto2_t prototype, is + * defined in the H5Epublic.h source code file as: + * \snippet this H5E_auto2_t_snip + * + * When the library is first initialized, the auto printing function is + * set to H5Eprint2() (cast appropriately) and \p client_data is the + * standard error stream pointer, \c stderr. + * + * Automatic stack traversal is always in the #H5E_WALK_DOWNWARD + * direction. + * + * Automatic error printing is turned off with a H5Eset_auto2() call + * with a \c NULL \p func pointer. + * + * \since 1.8.0 + */ +H5_DLL herr_t H5Eset_auto2(hid_t estack_id, H5E_auto2_t func, void *client_data); +/** + * -------------------------------------------------------------------------- + * \ingroup H5E + * + * \brief Clears the specified error stack or the error stack for the current thread + * + * \estack_id{err_stack} + * \return \herr_t + * + * \details H5Eclear2() clears the error stack specified by \p err_stack, or, if + * \p err_stack is set to #H5E_DEFAULT, the error stack for the current + * thread. + * + * \p err_stack is an error stack identifier, such as that returned by + * H5Eget_current_stack(). + * + * The current error stack is also cleared whenever an API function is + * called, with certain exceptions (for instance, H5Eprint1() or + * H5Eprint2()). + * + * \since 1.8.0 + */ +H5_DLL herr_t H5Eclear2(hid_t err_stack); +/** + * -------------------------------------------------------------------------- + * \ingroup H5E + * + * \brief Determines the type of error stack + * + * \estack_id{err_stack} + * \param[out] is_stack A flag indicating which error stack \c typedef the + * specified error stack conforms to + * + * \return \herr_t + * + * \details H5Eauto_is_v2() determines whether the error auto reporting function + * for an error stack conforms to the #H5E_auto2_t \c typedef or the + * #H5E_auto1_t \c typedef. + * + * The \p is_stack parameter is set to 1 if the error stack conforms to + * #H5E_auto2_t and 0 if it conforms to #H5E_auto1_t. + * + * \since 1.8.0 + */ +H5_DLL herr_t H5Eauto_is_v2(hid_t err_stack, unsigned *is_stack); +/** + * -------------------------------------------------------------------------- + * \ingroup H5E + * + * \brief Retrieves an error message + * + * \param[in] msg_id Error message identifier + * \param[out] type The type of the error message Valid values are #H5E_MAJOR + * and #H5E_MINOR. + * \param[out] msg Error message buffer + * \param[in] size The length of error message to be returned by this function + * \return Returns the size of the error message in bytes on success; otherwise + * returns a negative value. + * + * \details H5Eget_msg() retrieves the error message including its length and + * type. The error message is specified by \p msg_id. The user is + * responsible for passing in sufficient buffer space for the + * message. If \p msg is not NULL and \p size is greater than zero, the + * error message of \p size long is returned. The length of the message + * is also returned. If NULL is passed in as \p msg, only the length + * and type of the message is returned. If the return value is zero, it + * means there is no message. + * + * \since 1.8.0 + */ H5_DLL ssize_t H5Eget_msg(hid_t msg_id, H5E_type_t *type, char *msg, size_t size); +/** + * -------------------------------------------------------------------------- + * \ingroup H5E + * + * \brief Retrieves the number of error messages in an error stack + * + * \estack_id{error_stack_id} + * \return Returns a non-negative value on success; otherwise returns a negative value. + * + * \details H5Eget_num() retrieves the number of error records in the error + * stack specified by \p error_stack_id (including major, minor + * messages and description). + * + * \since 1.8.0 + */ H5_DLL ssize_t H5Eget_num(hid_t error_stack_id); /* Symbols defined for compatibility with previous versions of the HDF5 API. @@ -189,30 +670,259 @@ H5_DLL ssize_t H5Eget_num(hid_t error_stack_id); typedef hid_t H5E_major_t; typedef hid_t H5E_minor_t; -/* Information about an error element of error stack. */ +/** + * 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_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 */ +//! <!-- [H5E_walk1_t_snip] --> +/** + * \brief Callback function for H5Ewalk1() + * + * \param[in] n Indexed error position in the stack + * \param[in] err_desc Pointer to a data structure describing the error + * \param[in] client_data Pointer to client data in the format expected by the + * user-defined function + * \return \herr_t + */ typedef herr_t (*H5E_walk1_t)(int n, H5E_error1_t *err_desc, void *client_data); +//! <!-- [H5E_walk1_t_snip] --> + +//! <!-- [H5E_auto1_t_snip] --> +/** + * \brief Callback function for H5Eset_auto1() + * + * \param[in] client_data Pointer to client data in the format expected by the + * user-defined function + * \return \herr_t + */ typedef herr_t (*H5E_auto1_t)(void *client_data); +//! <!-- [H5E_auto1_t_snip] --> /* Function prototypes */ +/** + * -------------------------------------------------------------------------- + * \ingroup H5E + * + * \brief Clears the error stack for the current thread + * + * \return \herr_t + * + * \details H5Eclear1() clears the error stack for the current thread.\n + * The stack is also cleared whenever an API function is called, with + * certain exceptions (for instance, H5Eprint1()). + * + * \deprecated 1.8.0 Function H5Eclear() renamed to H5Eclear1() and deprecated + * in this release. + */ H5_DLL herr_t H5Eclear1(void); +/** + * -------------------------------------------------------------------------- + * \ingroup H5E + * + * \brief Returns the current settings for the automatic error stack traversal + * function and its data + * + * \param[out] func Current setting for the function to be called upon an error + * condition + * \param[out] client_data Current setting for the data passed to the error + * function + * \return \herr_t + * + * \details H5Eget_auto1() returns the current settings for the automatic error + * stack traversal function, \p func, and its data, + * \p client_data. Either or both arguments may be \c NULL, in which case the + * value is not returned. + * + * The library initializes its default error stack traversal functions + * to H5Eprint1() and H5Eprint2(). A call to H5Eget_auto2() returns + * H5Eprint2() or the user-defined function passed in through + * H5Eset_auto2(). A call to H5Eget_auto1() returns H5Eprint1() or the + * user-defined function passed in through H5Eset_auto1(). However, if + * the application passes in a user-defined function through + * H5Eset_auto1(), it should call H5Eget_auto1() to query the traversal + * function. If the application passes in a user-defined function + * through H5Eset_auto2(), it should call H5Eget_auto2() to query the + * traversal function. + * + * Mixing the new style and the old style functions will cause a + * failure. For example, if the application sets a user-defined + * old-style traversal function through H5Eset_auto1(), a call to + * H5Eget_auto2() will fail and will indicate that the application has + * mixed H5Eset_auto1() and H5Eget_auto2(). On the other hand, mixing + * H5Eset_auto2() and H5Eget_auto1() will also cause a failure. But if + * the traversal functions are the library’s default H5Eprint1() or + * H5Eprint2(), mixing H5Eset_auto1() and H5Eget_auto2() or mixing + * H5Eset_auto2() and H5Eget_auto1() does not fail. + * + * \deprecated 1.8.0 Function H5Eget_auto() renamed to H5Eget_auto1() and + * deprecated in this release. + */ H5_DLL herr_t H5Eget_auto1(H5E_auto1_t *func, void **client_data); +/** + * -------------------------------------------------------------------------- + * \ingroup H5E + * + * \brief Pushes a new error record onto the error stack + * + * \param[in] file Name of the file in which the error was detected + * \param[in] func Name of the function in which the error was detected + * \param[in] line Line number in the file where the error was detected + * \param[in] maj Major error identifier + * \param[in] min Minor error identifier + * \param[in] str Error description string + * \return \herr_t + * + * \details H5Epush1() pushes a new error record onto the error stack for the + * current thread.\n + * The error has major and minor numbers \p maj_num + * and \p min_num, the function \p func where the error was detected, the + * name of the file \p file where the error was detected, the line \p line + * within that file, and an error description string \p str.\n + * The function name, filename, and error description strings must be statically + * allocated. + * + * \since 1.4.0 + * \deprecated 1.8.0 Function H5Epush() renamed to H5Epush1() and + * deprecated in this release. + */ H5_DLL herr_t H5Epush1(const char *file, const char *func, unsigned line, H5E_major_t maj, H5E_minor_t min, const char *str); +/** + * -------------------------------------------------------------------------- + * \ingroup H5E + * + * \brief Prints the current error stack in a default manner + * + * \param[in] stream File pointer, or \c NULL for \c stderr + * \return \herr_t + * + * \details H5Eprint1() prints prints the error stack for the current thread + * on the specified stream, \p stream. Even if the error stack is empty, a + * one-line message of the following form will be printed: + * \code{.unparsed} + * HDF5-DIAG: Error detected in thread 0. + * \endcode + * H5Eprint1() is a convenience function for H5Ewalk1() with a function + * that prints error messages. Users are encouraged to write their own + * more specific error handlers. + * + * \deprecated 1.8.0 Function H5Eprint() renamed to H5Eprint1() and + * deprecated in this release. + */ H5_DLL herr_t H5Eprint1(FILE *stream); +/** + * -------------------------------------------------------------------------- + * \ingroup H5E + * + * \brief Turns automatic error printing on or off + * + * \param[in] func Function to be called upon an error condition + * \param[in] client_data Data passed to the error function + * \return \herr_t + * + * \details H5Eset_auto1() turns on or off automatic printing of errors. When + * turned on (non-null \p func pointer), any API function which returns + * an error indication will first call \p func, passing it \p + * client_data as an argument. + * + * \p func, a function conforming to the #H5E_auto1_t prototype, is + * defined in the H5Epublic.h source code file as: + * \snippet this H5E_auto1_t_snip + * + * When the library is first initialized, the auto printing function is + * set to H5Eprint1() (cast appropriately) and \p client_data is the + * standard error stream pointer, \c stderr. + * + * Automatic stack traversal is always in the #H5E_WALK_DOWNWARD + * direction. + * + * \deprecated 1.8.0 Function H5Eset_auto() renamed to H5Eset_auto1() and + * deprecated in this release. + */ H5_DLL herr_t H5Eset_auto1(H5E_auto1_t func, void *client_data); +/** + * -------------------------------------------------------------------------- + * \ingroup H5E + * + * \brief Walks the current error stack, calling the specified function + * + * \param[in] direction Direction in which the error stack is to be walked + * \param[in] func Function to be called for each error encountered + * \param[in] client_data Data to be passed to \p func + * \return \herr_t + * + * \details H5Ewalk1() walks the error stack for the current thread and calls + * the function specified in \p func for each error along the way. + * + * \p direction specifies whether the stack is walked from the inside + * out or the outside in. A value of #H5E_WALK_UPWARD means to begin + * with the most specific error and end at the API; a value of + * #H5E_WALK_DOWNWARD means to start at the API and end at the + * innermost function where the error was first detected. + * + * \p func, a function conforming to the #H5E_walk1_t prototype, will + * be called for each error in the error stack. Its arguments will + * include an index number \c n (beginning at zero regardless of stack + * traversal direction), an error stack entry \c err_desc, and the \c + * client_data pointer passed to H5Eprint(). The #H5E_walk1_t prototype + * is as follows: + * \snippet this H5E_walk1_t_snip + * + * \deprecated 1.8.0 Function H5Ewalk() renamed to H5Ewalk1() and + * deprecated in this release. + */ 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); +/** + * -------------------------------------------------------------------------- + * \ingroup H5E + * + * \brief Returns a character string describing an error specified by a major + * error number + * + * \param[in] maj Major error number + * \return \herr_t + * + * \details Given a major error number, H5Eget_major() returns a constant + * character string that describes the error. + * + * \attention This function returns a dynamically allocated string (\c char + * array). An application calling this function must free the memory + * associated with the return value to prevent a memory leak. + * + * \deprecated 1.8.0 Function deprecated in this release. + */ +H5_DLL char *H5Eget_major(H5E_major_t maj); +/** + * -------------------------------------------------------------------------- + * \ingroup H5E + * + * \brief Returns a character string describing an error specified by a minor + * error number + * + * \param[in] min Minor error number + * \return \herr_t + * + * \details Given a minor error number, H5Eget_minor() returns a constant + * character string that describes the error. + * + * \attention In the Release 1.8.x series, H5Eget_minor() returns a string of + * dynamic allocated \c char array. An application calling this + * function from an HDF5 library of Release 1.8.0 or later must free + * the memory associated with the return value to prevent a memory + * leak. This is a change from the 1.6.x release series. + * + * \deprecated 1.8.0 Function deprecated and return type changed in this release. + */ +H5_DLL char *H5Eget_minor(H5E_minor_t min); #endif /* H5_NO_DEPRECATED_SYMBOLS */ #ifdef __cplusplus |