/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * 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. * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ /*------------------------------------------------------------------------- * * Created: H5Eint.c * April 11 2007 * Quincey Koziol * * Purpose: General use, "internal" routines for error handling. * *------------------------------------------------------------------------- */ /****************/ /* Module Setup */ /****************/ #include "H5Emodule.h" /* This source code file is part of the H5E module */ /***********/ /* Headers */ /***********/ #include "H5private.h" /* Generic Functions */ #include "H5Epkg.h" /* Error handling */ #include "H5Iprivate.h" /* IDs */ #include "H5MMprivate.h" /* Memory management */ #include "H5TSprivate.h" /* Thread stuff */ /****************/ /* Local Macros */ /****************/ /******************/ /* Local Typedefs */ /******************/ /* Printing information */ typedef struct H5E_print_t { FILE * stream; H5E_cls_t cls; } H5E_print_t; /********************/ /* Package Typedefs */ /********************/ /********************/ /* Local Prototypes */ /********************/ #ifndef H5_NO_DEPRECATED_SYMBOLS static herr_t H5E__walk1_cb(int n, H5E_error1_t *err_desc, void *client_data); #endif /* H5_NO_DEPRECATED_SYMBOLS */ static herr_t H5E__walk2_cb(unsigned n, const H5E_error2_t *err_desc, void *client_data); static herr_t H5E__clear_entries(H5E_t *estack, size_t nentries); /*********************/ /* Package Variables */ /*********************/ #ifndef H5_HAVE_THREADSAFE /* * The current error stack. */ H5E_t H5E_stack_g[1]; #endif /* H5_HAVE_THREADSAFE */ /*****************************/ /* Library Private Variables */ /*****************************/ /* HDF5 error class ID */ hid_t H5E_ERR_CLS_g = FAIL; /* * Predefined errors. These are initialized at runtime in H5E_init_interface() * in this source file. */ /* Include the automatically generated error code definitions */ #include "H5Edefin.h" /*******************/ /* Local Variables */ /*******************/ #ifdef H5_HAVE_PARALLEL /* * variables used for MPI error reporting */ char H5E_mpi_error_str[MPI_MAX_ERROR_STRING]; int H5E_mpi_error_str_len; #endif /* H5_HAVE_PARALLEL */ /*------------------------------------------------------------------------- * Function: H5E__get_msg * * Purpose: Private function to retrieve an error message. * * Return: Success: Message length (zero means no message) * Failure: -1 * * Programmer: Raymond Lu * Friday, July 14, 2003 * *------------------------------------------------------------------------- */ ssize_t H5E__get_msg(const H5E_msg_t *msg, H5E_type_t *type, char *msg_str, size_t size) { ssize_t len = -1; /* Length of error message */ FUNC_ENTER_PACKAGE_NOERR /* Check arguments */ HDassert(msg); /* Get the length of the message string */ len = (ssize_t)HDstrlen(msg->msg); /* Copy the message into the user's buffer, if given */ if (msg_str) { HDstrncpy(msg_str, msg->msg, MIN((size_t)(len + 1), size)); if ((size_t)len >= size) msg_str[size - 1] = '\0'; } /* end if */ /* Give the message type, if asked */ if (type) *type = msg->type; /* Set the return value to the full length of the message */ FUNC_LEAVE_NOAPI(len) } /* end H5E__get_msg() */ #ifndef H5_NO_DEPRECATED_SYMBOLS /*------------------------------------------------------------------------- * Function: H5E__walk1_cb * * Purpose: This function is for backward compatibility. * This is a default error stack traversal callback function * that prints error messages to the specified output stream. * This function is for backward compatibility with v1.6. * It is not meant to be called directly but rather as an * argument to the H5Ewalk() function. This function is called * also by H5Eprint(). Application writers are encouraged to * use this function as a model for their own error stack * walking functions. * * N is a counter for how many times this function has been * called for this particular traversal of the stack. It always * begins at zero for the first error on the stack (either the * top or bottom error, or even both, depending on the traversal * direction and the size of the stack). * * ERR_DESC is an error description. It contains all the * information about a particular error. * * CLIENT_DATA is the same pointer that was passed as the * CLIENT_DATA argument of H5Ewalk(). It is expected to be a * file pointer (or stderr if null). * * Return: SUCCEED/FAIL * * Programmer: Raymond Lu * Thursday, May 11, 2006 * *------------------------------------------------------------------------- */ static herr_t H5E__walk1_cb(int n, H5E_error1_t *err_desc, void *client_data) { H5E_print_t *eprint = (H5E_print_t *)client_data; FILE * stream; /* I/O stream to print output to */ H5E_cls_t * cls_ptr; /* Pointer to error class */ H5E_msg_t * maj_ptr; /* Pointer to major error info */ H5E_msg_t * min_ptr; /* Pointer to minor error info */ const char * maj_str = "No major description"; /* Major error description */ const char * min_str = "No minor description"; /* Minor error description */ unsigned have_desc = 1; /* Flag to indicate whether the error has a "real" description */ herr_t ret_value = SUCCEED; FUNC_ENTER_STATIC_NOERR /* Check arguments */ HDassert(err_desc); /* If no client data was passed, output to stderr */ if (!client_data) stream = stderr; else stream = eprint->stream; /* Get descriptions for the major and minor error numbers */ maj_ptr = (H5E_msg_t *)H5I_object_verify(err_desc->maj_num, H5I_ERROR_MSG); min_ptr = (H5E_msg_t *)H5I_object_verify(err_desc->min_num, H5I_ERROR_MSG); /* Check for bad pointer(s), but can't issue error, just leave */ if (!maj_ptr || !min_ptr) HGOTO_DONE(FAIL) if (maj_ptr->msg) maj_str = maj_ptr->msg; if (min_ptr->msg) min_str = min_ptr->msg; /* Get error class info */ cls_ptr = maj_ptr->cls; /* Print error class header if new class */ if (eprint->cls.lib_name == NULL || HDstrcmp(cls_ptr->lib_name, eprint->cls.lib_name) != 0) { /* update to the new class information */ if (cls_ptr->cls_name) eprint->cls.cls_name = cls_ptr->cls_name; if (cls_ptr->lib_name) eprint->cls.lib_name = cls_ptr->lib_name; if (cls_ptr->lib_vers) eprint->cls.lib_vers = cls_ptr->lib_vers; HDfprintf(stream, "%s-DIAG: Error detected in %s (%s) ", (cls_ptr->cls_name ? cls_ptr->cls_name : "(null)"), (cls_ptr->lib_name ? cls_ptr->lib_name : "(null)"), (cls_ptr->lib_vers ? cls_ptr->lib_vers : "(null)")); /* try show the process or thread id in multiple processes cases*/ #ifdef H5_HAVE_PARALLEL { int mpi_rank, mpi_initialized, mpi_finalized; MPI_Initialized(&mpi_initialized); MPI_Finalized(&mpi_finalized); if (mpi_initialized && !mpi_finalized) { MPI_Comm_rank(MPI_COMM_WORLD, &mpi_rank); HDfprintf(stream, "MPI-process %d", mpi_rank); } /* end if */ else HDfprintf(stream, "thread 0"); } /* end block */ #else HDfprintf(stream, "thread %" PRIu64, H5TS_thread_id()); #endif HDfprintf(stream, ":\n"); } /* end if */ /* Check for "real" error description - used to format output more nicely */ if (err_desc->desc == NULL || HDstrlen(err_desc->desc) == 0) have_desc = 0; /* Print error message */ HDfprintf(stream, "%*s#%03d: %s line %u in %s()%s%s\n", H5E_INDENT, "", n, err_desc->file_name, err_desc->line, err_desc->func_name, (have_desc ? ": " : ""), (have_desc ? err_desc->desc : "")); HDfprintf(stream, "%*smajor: %s\n", (H5E_INDENT * 2), "", maj_str); HDfprintf(stream, "%*sminor: %s\n", (H5E_INDENT * 2), "", min_str); done: FUNC_LEAVE_NOAPI(ret_value) } /* end H5E__walk1_cb() */ #endif /* H5_NO_DEPRECATED_SYMBOLS */ /*------------------------------------------------------------------------- * Function: H5E__walk2_cb * * Purpose: This is a default error stack traversal callback function * that prints error messages to the specified output stream. * It is not meant to be called directly but rather as an * argument to the H5Ewalk2() function. This function is * called also by H5Eprint2(). Application writers are * encouraged to use this function as a model for their own * error stack walking functions. * * N is a counter for how many times this function has been * called for this particular traversal of the stack. It always * begins at zero for the first error on the stack (either the * top or bottom error, or even both, depending on the traversal * direction and the size of the stack). * * ERR_DESC is an error description. It contains all the * information about a particular error. * * CLIENT_DATA is the same pointer that was passed as the * CLIENT_DATA argument of H5Ewalk(). It is expected to be a * file pointer (or stderr if null). * * Return: SUCCEED/FAIL * * Programmer: Robb Matzke * Friday, December 12, 1997 * *------------------------------------------------------------------------- */ static herr_t H5E__walk2_cb(unsigned n, const H5E_error2_t *err_desc, void *client_data) { H5E_print_t *eprint = (H5E_print_t *)client_data; FILE * stream; /* I/O stream to print output to */ H5E_cls_t * cls_ptr; /* Pointer to error class */ H5E_msg_t * maj_ptr; /* Pointer to major error info */ H5E_msg_t * min_ptr; /* Pointer to minor error info */ const char * maj_str = "No major description"; /* Major error description */ const char * min_str = "No minor description"; /* Minor error description */ unsigned have_desc = 1; /* Flag to indicate whether the error has a "real" description */ herr_t ret_value = SUCCEED; FUNC_ENTER_STATIC_NOERR /* Check arguments */ HDassert(err_desc); /* If no client data was passed, output to stderr */ if (!client_data) stream = stderr; else stream = eprint->stream; /* Get descriptions for the major and minor error numbers */ maj_ptr = (H5E_msg_t *)H5I_object_verify(err_desc->maj_num, H5I_ERROR_MSG); min_ptr = (H5E_msg_t *)H5I_object_verify(err_desc->min_num, H5I_ERROR_MSG); /* Check for bad pointer(s), but can't issue error, just leave */ if (!maj_ptr || !min_ptr) HGOTO_DONE(FAIL) if (maj_ptr->msg) maj_str = maj_ptr->msg; if (min_ptr->msg) min_str = min_ptr->msg; /* Get error class info. Don't use the class of the major or minor error because * they might be different. */ cls_ptr = (H5E_cls_t *)H5I_object_verify(err_desc->cls_id, H5I_ERROR_CLASS); /* Check for bad pointer(s), but can't issue error, just leave */ if (!cls_ptr) HGOTO_DONE(FAIL) /* Print error class header if new class */ if (eprint->cls.lib_name == NULL || HDstrcmp(cls_ptr->lib_name, eprint->cls.lib_name) != 0) { /* update to the new class information */ if (cls_ptr->cls_name) eprint->cls.cls_name = cls_ptr->cls_name; if (cls_ptr->lib_name) eprint->cls.lib_name = cls_ptr->lib_name; if (cls_ptr->lib_vers) eprint->cls.lib_vers = cls_ptr->lib_vers; HDfprintf(stream, "%s-DIAG: Error detected in %s (%s) ", (cls_ptr->cls_name ? cls_ptr->cls_name : "(null)"), (cls_ptr->lib_name ? cls_ptr->lib_name : "(null)"), (cls_ptr->lib_vers ? cls_ptr->lib_vers : "(null)")); /* try show the process or thread id in multiple processes cases*/ #ifdef H5_HAVE_PARALLEL { int mpi_rank, mpi_initialized, mpi_finalized; MPI_Initialized(&mpi_initialized); MPI_Finalized(&mpi_finalized); if (mpi_initialized && !mpi_finalized) { MPI_Comm_rank(MPI_COMM_WORLD, &mpi_rank); HDfprintf(stream, "MPI-process %d", mpi_rank); } /* end if */ else HDfprintf(stream, "thread 0"); } /* end block */ #else HDfprintf(stream, "thread %" PRIu64, H5TS_thread_id()); #endif HDfprintf(stream, ":\n"); } /* end if */ /* Check for "real" error description - used to format output more nicely */ if (err_desc->desc == NULL || HDstrlen(err_desc->desc) == 0) have_desc = 0; /* Print error message */ HDfprintf(stream, "%*s#%03u: %s line %u in %s()%s%s\n", H5E_INDENT, "", n, err_desc->file_name, err_desc->line, err_desc->func_name, (have_desc ? ": " : ""), (have_desc ? err_desc->desc : "")); HDfprintf(stream, "%*smajor: %s\n", (H5E_INDENT * 2), "", maj_str); HDfprintf(stream, "%*sminor: %s\n", (H5E_INDENT * 2), "", min_str); done: FUNC_LEAVE_NOAPI(ret_value) } /* end H5E__walk2_cb() */ /*------------------------------------------------------------------------- * Function: H5E__print * * Purpose: Private function to print the error stack in some default * way. This is just a convenience function for H5Ewalk() and * H5Ewalk2() with a function that prints error messages. * Users are encouraged to write their own more specific error * handlers. * * Return: SUCCEED/FAIL * * Programmer: Robb Matzke * Friday, February 27, 1998 * *------------------------------------------------------------------------- */ herr_t H5E__print(const H5E_t *estack, FILE *stream, hbool_t bk_compatible) { H5E_print_t eprint; /* Callback information to pass to H5E_walk() */ H5E_walk_op_t walk_op; /* Error stack walking callback */ herr_t ret_value = SUCCEED; FUNC_ENTER_PACKAGE /* Sanity check */ HDassert(estack); /* If no stream was given, use stderr */ if (!stream) eprint.stream = stderr; else eprint.stream = stream; /* Reset the original error class information */ HDmemset(&eprint.cls, 0, sizeof(H5E_cls_t)); /* Walk the error stack */ if (bk_compatible) { #ifndef H5_NO_DEPRECATED_SYMBOLS walk_op.vers = 1; walk_op.u.func1 = H5E__walk1_cb; if (H5E__walk(estack, H5E_WALK_DOWNWARD, &walk_op, (void *)&eprint) < 0) HGOTO_ERROR(H5E_ERROR, H5E_CANTLIST, FAIL, "can't walk error stack") #else /* H5_NO_DEPRECATED_SYMBOLS */ HDassert(0 && "version 1 error stack print without deprecated symbols!"); #endif /* H5_NO_DEPRECATED_SYMBOLS */ } /* end if */ else { walk_op.vers = 2; walk_op.u.func2 = H5E__walk2_cb; if (H5E__walk(estack, H5E_WALK_DOWNWARD, &walk_op, (void *)&eprint) < 0) HGOTO_ERROR(H5E_ERROR, H5E_CANTLIST, FAIL, "can't walk error stack") } /* end else */ done: FUNC_LEAVE_NOAPI(ret_value) } /* end H5E__print() */ /*------------------------------------------------------------------------- * Function: H5E__walk * * Purpose: Private function for H5Ewalk. * Walks the error stack, calling the specified function for * each error on the stack. The DIRECTION argument determines * whether the stack is walked from the inside out or the * outside in. The value H5E_WALK_UPWARD means begin with the * most specific error and end at the API; H5E_WALK_DOWNWARD * means to start at the API and end at the inner-most function * where the error was first detected. * * The function pointed to by STACK_FUNC will be called for * each error record in the error stack. It's arguments will * include an index number (beginning at zero regardless of * stack traversal direction), an error stack entry, and the * CLIENT_DATA pointer passed to H5E_print. * * The function FUNC is also provided for backward compatibility. * When BK_COMPATIBLE is set to be TRUE, FUNC is used to be * compatible with older library. If BK_COMPATIBLE is FALSE, * STACK_FUNC is used. * * Return: SUCCEED/FAIL * * Programmer: Robb Matzke * Friday, December 12, 1997 * *------------------------------------------------------------------------- */ herr_t H5E__walk(const H5E_t *estack, H5E_direction_t direction, const H5E_walk_op_t *op, void *client_data) { int i; /* Local index variable */ herr_t ret_value = H5_ITER_CONT; /* Return value */ FUNC_ENTER_PACKAGE_NOERR /* Sanity check */ HDassert(estack); HDassert(op); /* check args, but rather than failing use some default value */ if (direction != H5E_WALK_UPWARD && direction != H5E_WALK_DOWNWARD) direction = H5E_WALK_UPWARD; /* Walk the stack if a callback function was given */ if (op->vers == 1) { #ifndef H5_NO_DEPRECATED_SYMBOLS if (op->u.func1) { H5E_error1_t old_err; ret_value = SUCCEED; if (H5E_WALK_UPWARD == direction) { for (i = 0; i < (int)estack->nused && ret_value == H5_ITER_CONT; i++) { /* Point to each error record on the stack and pass it to callback function.*/ old_err.maj_num = estack->slot[i].maj_num; old_err.min_num = estack->slot[i].min_num; old_err.func_name = estack->slot[i].func_name; old_err.file_name = estack->slot[i].file_name; old_err.desc = estack->slot[i].desc; old_err.line = estack->slot[i].line; ret_value = (op->u.func1)(i, &old_err, client_data); } /* end for */ } /* end if */ else { H5_CHECK_OVERFLOW(estack->nused - 1, size_t, int); for (i = (int)(estack->nused - 1); i >= 0 && ret_value == H5_ITER_CONT; i--) { /* Point to each error record on the stack and pass it to callback function.*/ old_err.maj_num = estack->slot[i].maj_num; old_err.min_num = estack->slot[i].min_num; old_err.func_name = estack->slot[i].func_name; old_err.file_name = estack->slot[i].file_name; old_err.desc = estack->slot[i].desc; old_err.line = estack->slot[i].line; ret_value = (op->u.func1)((int)(estack->nused - (size_t)(i + 1)), &old_err, client_data); } /* end for */ } /* end else */ if (ret_value < 0) HERROR(H5E_ERROR, H5E_CANTLIST, "can't walk error stack"); } /* end if */ #else /* H5_NO_DEPRECATED_SYMBOLS */ HDassert(0 && "version 1 error stack walk without deprecated symbols!"); #endif /* H5_NO_DEPRECATED_SYMBOLS */ } /* end if */ else { HDassert(op->vers == 2); if (op->u.func2) { ret_value = SUCCEED; if (H5E_WALK_UPWARD == direction) { for (i = 0; i < (int)estack->nused && ret_value == H5_ITER_CONT; i++) ret_value = (op->u.func2)((unsigned)i, estack->slot + i, client_data); } /* end if */ else { H5_CHECK_OVERFLOW(estack->nused - 1, size_t, int); for (i = (int)(estack->nused - 1); i >= 0 && ret_value == H5_ITER_CONT; i--) ret_value = (op->u.func2)((unsigned)(estack->nused - (size_t)(i + 1)), estack->slot + i, client_data); } /* end else */ if (ret_value < 0) HERROR(H5E_ERROR, H5E_CANTLIST, "can't walk error stack"); } /* end if */ } /* end else */ FUNC_LEAVE_NOAPI(ret_value) } /* end H5E__walk() */ /*------------------------------------------------------------------------- * Function: H5E__get_auto * * Purpose: Private function to return the current settings for the * automatic error stack traversal function and its data * for specific error stack. Either (or both) arguments may * be null in which case the value is not returned. * * Return: SUCCEED/FAIL * * Programmer: Raymond Lu * July 18, 2003 * *------------------------------------------------------------------------- */ herr_t H5E__get_auto(const H5E_t *estack, H5E_auto_op_t *op, void **client_data) { FUNC_ENTER_PACKAGE_NOERR HDassert(estack); /* Retrieve the requested information */ if (op) *op = estack->auto_op; if (client_data) *client_data = estack->auto_data; FUNC_LEAVE_NOAPI(SUCCEED) } /* end H5E__get_auto() */ /*------------------------------------------------------------------------- * Function: H5E__set_auto * * Purpose: Private function to turn on or off automatic printing of * errors for certain error stack. When turned on (non-null * FUNC pointer) any API function which returns an error * indication will first call FUNC passing it CLIENT_DATA * as an argument. * * The default values before this function is called are * H5Eprint2() with client data being the standard error stream, * stderr. * * Automatic stack traversal is always in the H5E_WALK_DOWNWARD * direction. * * Return: SUCCEED/FAIL * * Programmer: Robb Matzke * Friday, February 27, 1998 * *------------------------------------------------------------------------- */ herr_t H5E__set_auto(H5E_t *estack, const H5E_auto_op_t *op, void *client_data) { FUNC_ENTER_PACKAGE_NOERR HDassert(estack); /* Set the automatic error reporting info */ estack->auto_op = *op; estack->auto_data = client_data; FUNC_LEAVE_NOAPI(SUCCEED) } /* end H5E__set_auto() */ /*------------------------------------------------------------------------- * Function: H5E_printf_stack * * Purpose: Printf-like wrapper around H5E__push_stack. * * Return: SUCCEED/FAIL * * Programmer: Quincey Koziol * Tuesday, August 12, 2008 * *------------------------------------------------------------------------- */ herr_t H5E_printf_stack(H5E_t *estack, const char *file, const char *func, unsigned line, hid_t cls_id, hid_t maj_id, hid_t min_id, const char *fmt, ...) { va_list ap; /* Varargs info */ #ifndef H5_HAVE_VASPRINTF int tmp_len; /* Current size of description buffer */ int desc_len; /* Actual length of description when formatted */ #endif /* H5_HAVE_VASPRINTF */ char * tmp = NULL; /* Buffer to place formatted description in */ hbool_t va_started = FALSE; /* Whether the variable argument list is open */ herr_t ret_value = SUCCEED; /* Return value */ /* * WARNING: We cannot call HERROR() from within this function or else we * could enter infinite recursion. Furthermore, we also cannot * call any other HDF5 macro or function which might call * HERROR(). HERROR() is called by HRETURN_ERROR() which could * be called by FUNC_ENTER(). */ FUNC_ENTER_NOAPI_NOINIT_NOERR /* Sanity check */ HDassert(cls_id > 0); HDassert(maj_id > 0); HDassert(min_id > 0); HDassert(fmt); /* Note that the variable-argument parsing for the format is identical in * the H5Epush2() routine - correct errors and make changes in both * places. -QAK */ /* Start the variable-argument parsing */ HDva_start(ap, fmt); va_started = TRUE; #ifdef H5_HAVE_VASPRINTF /* Use the vasprintf() routine, since it does what we're trying to do below */ if (HDvasprintf(&tmp, fmt, ap) < 0) HGOTO_DONE(FAIL) #else /* H5_HAVE_VASPRINTF */ /* Allocate space for the formatted description buffer */ tmp_len = 128; if (NULL == (tmp = H5MM_malloc((size_t)tmp_len))) HGOTO_DONE(FAIL) /* If the description doesn't fit into the initial buffer size, allocate more space and try again */ while ((desc_len = HDvsnprintf(tmp, (size_t)tmp_len, fmt, ap)) > (tmp_len - 1)) { /* shutdown & restart the va_list */ HDva_end(ap); HDva_start(ap, fmt); /* Release the previous description, it's too small */ H5MM_xfree(tmp); /* Allocate a description of the appropriate length */ tmp_len = desc_len + 1; if (NULL == (tmp = H5MM_malloc((size_t)tmp_len))) HGOTO_DONE(FAIL) } /* end while */ #endif /* H5_HAVE_VASPRINTF */ /* Push the error on the stack */ if (H5E__push_stack(estack, file, func, line, cls_id, maj_id, min_id, tmp) < 0) HGOTO_DONE(FAIL) done: if (va_started) HDva_end(ap); #ifdef H5_HAVE_VASPRINTF /* Memory was allocated with HDvasprintf so it needs to be freed * with HDfree */ if (tmp) HDfree(tmp); #else /* H5_HAVE_VASPRINTF */ if (tmp) H5MM_xfree(tmp); #endif /* H5_HAVE_VASPRINTF */ FUNC_LEAVE_NOAPI(ret_value) } /* end H5E_printf_stack() */ /*------------------------------------------------------------------------- * Function: H5E__push_stack * * Purpose: Pushes a new error record onto error stack for the current * thread. The error has major and minor IDs MAJ_ID and * MIN_ID, the name of a function where the error was detected, * the name of the file where the error was detected, the * line within that file, and an error description string. The * function name, file name, and error description strings must * be statically allocated (the FUNC_ENTER() macro takes care of * the function name and file name automatically, but the * programmer is responsible for the description string). * * Return: SUCCEED/FAIL * * Programmer: Robb Matzke * Friday, December 12, 1997 * *------------------------------------------------------------------------- */ herr_t H5E__push_stack(H5E_t *estack, const char *file, const char *func, unsigned line, hid_t cls_id, hid_t maj_id, hid_t min_id, const char *desc) { herr_t ret_value = SUCCEED; /* Return value */ /* * WARNING: We cannot call HERROR() from within this function or else we * could enter infinite recursion. Furthermore, we also cannot * call any other HDF5 macro or function which might call * HERROR(). HERROR() is called by HRETURN_ERROR() which could * be called by FUNC_ENTER(). */ FUNC_ENTER_PACKAGE_NOERR /* Sanity check */ HDassert(cls_id > 0); HDassert(maj_id > 0); HDassert(min_id > 0); /* Check for 'default' error stack */ if (estack == NULL) if (NULL == (estack = H5E__get_my_stack())) /*lint !e506 !e774 Make lint 'constant value Boolean' in non-threaded case */ HGOTO_DONE(FAIL) /* * Don't fail if arguments are bad. Instead, substitute some default * value. */ if (!func) func = "Unknown_Function"; if (!file) file = "Unknown_File"; if (!desc) desc = "No description given"; /* * Push the error if there's room. Otherwise just forget it. */ HDassert(estack); if (estack->nused < H5E_NSLOTS) { /* Increment the IDs to indicate that they are used in this stack */ if (H5I_inc_ref(cls_id, FALSE) < 0) HGOTO_DONE(FAIL) estack->slot[estack->nused].cls_id = cls_id; if (H5I_inc_ref(maj_id, FALSE) < 0) HGOTO_DONE(FAIL) estack->slot[estack->nused].maj_num = maj_id; if (H5I_inc_ref(min_id, FALSE) < 0) HGOTO_DONE(FAIL) estack->slot[estack->nused].min_num = min_id; if (NULL == (estack->slot[estack->nused].func_name = H5MM_xstrdup(func))) HGOTO_DONE(FAIL) if (NULL == (estack->slot[estack->nused].file_name = H5MM_xstrdup(file))) HGOTO_DONE(FAIL) estack->slot[estack->nused].line = line; if (NULL == (estack->slot[estack->nused].desc = H5MM_xstrdup(desc))) HGOTO_DONE(FAIL) estack->nused++; } /* end if */ done: FUNC_LEAVE_NOAPI(ret_value) } /* end H5E__push_stack() */ /*------------------------------------------------------------------------- * Function: H5E__clear_entries * * Purpose: Private function to clear the error stack entries for the * specified error stack. * * Return: SUCCEED/FAIL * * Programmer: Quincey Koziol * Wednesday, August 6, 2003 * *------------------------------------------------------------------------- */ static herr_t H5E__clear_entries(H5E_t *estack, size_t nentries) { H5E_error2_t *error; /* Pointer to error stack entry to clear */ unsigned u; /* Local index variable */ herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_STATIC /* Sanity check */ HDassert(estack); HDassert(estack->nused >= nentries); /* Empty the error stack from the top down */ for (u = 0; nentries > 0; nentries--, u++) { error = &(estack->slot[estack->nused - (u + 1)]); /* Decrement the IDs to indicate that they are no longer used by this stack */ /* (In reverse order that they were incremented, so that reference counts work well) */ if (H5I_dec_ref(error->min_num) < 0) HGOTO_ERROR(H5E_ERROR, H5E_CANTDEC, FAIL, "unable to decrement ref count on error message") if (H5I_dec_ref(error->maj_num) < 0) HGOTO_ERROR(H5E_ERROR, H5E_CANTDEC, FAIL, "unable to decrement ref count on error message") if (H5I_dec_ref(error->cls_id) < 0) HGOTO_ERROR(H5E_ERROR, H5E_CANTDEC, FAIL, "unable to decrement ref count on error class") /* Release strings */ if (error->func_name) error->func_name = (const char *)H5MM_xfree_const(error->func_name); if (error->file_name) error->file_name = (const char *)H5MM_xfree_const(error->file_name); if (error->desc) error->desc = (const char *)H5MM_xfree_const(error->desc); } /* Decrement number of errors on stack */ estack->nused -= u; done: FUNC_LEAVE_NOAPI(ret_value) } /* end H5E__clear_entries() */ /*------------------------------------------------------------------------- * Function: H5E_clear_stack * * Purpose: Private function to clear the error stack for the * specified error stack. * * Return: SUCCEED/FAIL * * Programmer: Raymond Lu * Wednesday, July 16, 2003 * *------------------------------------------------------------------------- */ herr_t H5E_clear_stack(H5E_t *estack) { herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_NOAPI(FAIL) /* Check for 'default' error stack */ if (estack == NULL) if (NULL == (estack = H5E__get_my_stack())) /*lint !e506 !e774 Make lint 'constant value Boolean' in non-threaded case */ HGOTO_ERROR(H5E_ERROR, H5E_CANTGET, FAIL, "can't get current error stack") /* Empty the error stack */ HDassert(estack); if (estack->nused) if (H5E__clear_entries(estack, estack->nused) < 0) HGOTO_ERROR(H5E_ERROR, H5E_CANTSET, FAIL, "can't clear error stack") done: FUNC_LEAVE_NOAPI(ret_value) } /* end H5E_clear_stack() */ /*------------------------------------------------------------------------- * Function: H5E__pop * * Purpose: Private function to delete some error messages from the top * of error stack. * * Return: SUCCEED/FAIL * * Programmer: Raymond Lu * Friday, July 16, 2003 * *------------------------------------------------------------------------- */ herr_t H5E__pop(H5E_t *estack, size_t count) { herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_PACKAGE /* Sanity check */ HDassert(estack); HDassert(estack->nused >= count); /* Remove the entries from the error stack */ if (H5E__clear_entries(estack, count) < 0) HGOTO_ERROR(H5E_ERROR, H5E_CANTRELEASE, FAIL, "can't remove errors from stack") done: FUNC_LEAVE_NOAPI(ret_value) } /* end H5E__pop() */ /*------------------------------------------------------------------------- * Function: H5E_dump_api_stack * * Purpose: Private function to dump the error stack during an error in * an API function if a callback function is defined for the * current error stack. * * Return: SUCCEED/FAIL * * Programmer: Quincey Koziol * Wednesday, August 6, 2003 * *------------------------------------------------------------------------- */ herr_t H5E_dump_api_stack(hbool_t is_api) { herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_NOAPI(FAIL) /* Only dump the error stack during an API call */ if (is_api) { H5E_t *estack = H5E__get_my_stack(); HDassert(estack); #ifdef H5_NO_DEPRECATED_SYMBOLS if (estack->auto_op.func2) (void)((estack->auto_op.func2)(H5E_DEFAULT, estack->auto_data)); #else /* H5_NO_DEPRECATED_SYMBOLS */ if (estack->auto_op.vers == 1) { if (estack->auto_op.func1) (void)((estack->auto_op.func1)(estack->auto_data)); } /* end if */ else { if (estack->auto_op.func2) (void)((estack->auto_op.func2)(H5E_DEFAULT, estack->auto_data)); } /* end else */ #endif /* H5_NO_DEPRECATED_SYMBOLS */ } /* end if */ done: FUNC_LEAVE_NOAPI(ret_value) } /* end H5E_dump_api_stack() */