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authorRaymond Lu <songyulu@hdfgroup.org>2003-07-15 22:17:09 (GMT)
committerRaymond Lu <songyulu@hdfgroup.org>2003-07-15 22:17:09 (GMT)
commit840ce9f8b5ea6fc94f8bd52bed93489269f81a6a (patch)
tree59df7c4d9aaf49882bbe01e9fa533e37c1680dfa /src/H5E.c
parentcda7a6e054eb83649401fdd9c949afe5cc5ab895 (diff)
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[svn-r7228] Purpose: Gradual checkin for error API
Platforms tested: RH 8
Diffstat (limited to 'src/H5E.c')
-rw-r--r--src/H5E.c298
1 files changed, 297 insertions, 1 deletions
diff --git a/src/H5E.c b/src/H5E.c
index f50e2b1..2e76649 100644
--- a/src/H5E.c
+++ b/src/H5E.c
@@ -760,7 +760,7 @@ H5E_create_msg(hid_t cls_id, H5E_type_t msg_type, const char *msg)
H5E_msg_t *msg_ptr;
FUNC_ENTER_NOAPI(H5E_create_msg, FAIL);
-
+
/* Check arguments */
assert(msg);
@@ -991,6 +991,101 @@ done:
/*-------------------------------------------------------------------------
+ * Function: H5Eset_current_stack
+ *
+ * Purpose: Replaces current stack with specified stack.
+ *
+ * Return: Non-negative value on success/Negative on failure
+ *
+ * Programmer: Raymond Lu
+ * Friday, July 15, 2003
+ *
+ * Modifications:
+ *
+ *-------------------------------------------------------------------------
+ */
+herr_t
+H5Eset_current_stack(hid_t err_stack_id)
+{
+ herr_t ret_value = SUCCEED; /* Return value */
+ H5E_t_new *estack;
+
+ FUNC_ENTER_API(H5Eset_current_stack, FAIL);
+ H5TRACE1("e","i",err_stack_id);
+
+ /* Need to check for errors */
+ if(err_stack_id == H5E_DEFAULT)
+ goto done; /*HGOTO_DONE(SUCCEED);*/
+ else
+ estack = H5I_object_verify(err_stack_id, H5I_ERROR_STACK);
+
+ /* Add HGOTO_ERROR later */
+ ret_value=H5E_set_current_stack(estack);
+
+done:
+ FUNC_LEAVE_API(ret_value);
+}
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5E_set_current_stack
+ *
+ * Purpose: Private function to replace an error stack.
+ *
+ * Return: Non-negative value on success/Negative on failure
+ *
+ * Programmer: Raymond Lu
+ * Friday, July 15, 2003
+ *
+ * Modifications:
+ *
+ *-------------------------------------------------------------------------
+ */
+herr_t
+H5E_set_current_stack(H5E_t_new *estack)
+{
+ herr_t ret_value = SUCCEED; /* Return value */
+ H5E_t_new *current_stack = H5E_get_my_stack_new();
+ H5E_error_t_new *current_error, *new_error;
+ int i;
+
+ FUNC_ENTER_NOAPI(H5E_get_current_stack, FAIL);
+
+ /* Empty current error stack */
+ for(i=0; i<current_stack->nused; i++) {
+ current_error = &(current_stack->slot[i]);
+ if(current_error->func_name)
+ H5MM_xfree(current_error->func_name);
+ if(current_error->file_name)
+ H5MM_xfree(current_error->file_name);
+ if(current_error->desc)
+ H5MM_xfree(current_error->desc);
+ }
+ HDmemset(current_stack->slot, 0, sizeof(H5E_error_t_new)*current_stack->nused);
+ current_stack->nused = 0;
+
+ /* Copy new stack to current error stack */
+ current_stack->nused = estack->nused;
+ for(i=0; i<current_stack->nused; i++) {
+ current_error = &(current_stack->slot[i]);
+ new_error = &(estack->slot[i]);
+
+ /* Should we make copies of these IDs? */
+ current_error->cls_id = new_error->cls_id;
+ current_error->maj_id = new_error->maj_id;
+ current_error->min_id = new_error->min_id;
+ current_error->func_name = HDstrdup(new_error->func_name);
+ current_error->file_name = HDstrdup(new_error->file_name);
+ current_error->line = new_error->line;
+ current_error->desc = HDstrdup(new_error->desc);
+ }
+
+done:
+ FUNC_LEAVE_NOAPI(ret_value);
+}
+
+
+/*-------------------------------------------------------------------------
* Function: H5Eclose_stack
*
* Purpose: Closes an error stack.
@@ -1073,6 +1168,207 @@ done:
FUNC_LEAVE_NOAPI(ret_value);
}
+
+/*-------------------------------------------------------------------------
+ * Function: H5Eget_num
+ *
+ * Purpose: Retrieves the number of error message.
+ *
+ * Return: Non-negative value on success/Negative on failure
+ *
+ * Programmer: Raymond Lu
+ * Friday, July 15, 2003
+ *
+ * Modifications:
+ *
+ *-------------------------------------------------------------------------
+ */
+int
+H5Eget_num(hid_t error_stack_id)
+{
+ int ret_value; /* Return value */
+ H5E_t_new *estack;
+
+ FUNC_ENTER_API(H5Eget_num, FAIL);
+ H5TRACE1("Is","i",error_stack_id);
+
+ /* Need to check for errors */
+ if(error_stack_id == H5E_DEFAULT)
+ estack = H5E_get_my_stack_new();
+ else
+ estack = H5I_object_verify(error_stack_id, H5I_ERROR_STACK);
+
+ /* Add HGOTO_ERROR later */
+ ret_value=H5E_get_num(estack);
+
+done:
+ FUNC_LEAVE_API(ret_value);
+}
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5E_get_num
+ *
+ * Purpose: Private function to retrieve number of errors in error stack.
+ *
+ * Return: Non-negative value on success/Negative on failure
+ *
+ * Programmer: Raymond Lu
+ * Friday, July 15, 2003
+ *
+ * Modifications:
+ *
+ *-------------------------------------------------------------------------
+ */
+int
+H5E_get_num(H5E_t_new *err_stack)
+{
+ int ret_value; /* Return value */
+
+ FUNC_ENTER_NOAPI(H5E_get_num, FAIL);
+
+ ret_value = err_stack->nused;
+
+done:
+ FUNC_LEAVE_NOAPI(ret_value);
+}
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5Epush_new
+ *
+ * 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.
+ *
+ * Return: Non-negative on success/Negative on failure
+ *
+ * Programmer: Quincey Koziol
+ * Monday, October 18, 1999
+ *
+ * Notes: Basically a public API wrapper around the H5E_push function.
+ *
+ * Modifications:
+ * Raymond Lu
+ * Tuesday, July 15, 2003
+
+ * Added the ID of the error stack to which the error is pushed
+ * on. The error message can be appended more message in the
+ * same control format as printf and fprintf.
+ *
+ *-------------------------------------------------------------------------
+ */
+herr_t
+H5Epush_new(hid_t err_stack, const char *file, const char *func, unsigned line,
+ hid_t maj_id, hid_t min_id, const char *fmt, ...)
+{
+ herr_t ret_value;
+ H5E_t_new *estack_ptr;
+ H5E_msg_t *maj_ptr, *min_ptr;
+ va_list ap;
+ hid_t cls_id;
+ char tmp[128];
+
+ FUNC_ENTER_API(H5Epush_new, FAIL);
+ H5TRACE7("e","issIuiis",err_stack,file,func,line,maj_id,min_id,fmt);
+
+ /* Need to check for errors */
+ if(err_stack == H5E_DEFAULT)
+ estack_ptr = H5E_get_my_stack_new();
+ else
+ estack_ptr = H5I_object_verify(err_stack, H5I_ERROR_STACK);
+
+ maj_ptr = H5I_object_verify(maj_id, H5I_ERROR_MSG);
+ min_ptr = H5I_object_verify(min_id, H5I_ERROR_MSG);
+ /* Error check later */
+ if(maj_ptr->cls != min_ptr->cls)
+ ;
+ cls_id = H5I_register(H5I_ERROR_CLASS, maj_ptr->cls);
+
+ va_start(ap, fmt);
+ vsnprintf(tmp, 128, fmt, ap);
+ va_end(ap);
+
+ /* Should we make copies of maj_idm and min_id? */
+ ret_value = H5E_push_new(estack_ptr, file, func, line, cls_id, maj_id, min_id, tmp);
+
+done:
+ FUNC_LEAVE_API(ret_value);
+}
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5E_push_new
+ *
+ * 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: Non-negative on success/Negative on failure
+ *
+ * Programmer: Robb Matzke
+ * Friday, December 12, 1997
+ *
+ * Modifications:
+ * Raymond Lu
+ * Tuesday, July 15, 2003
+ *
+ * Added the ID of the error stack to which the error is pushed
+ * on. The error message can be appended more message in the
+ * same control format as printf and fprintf.
+ *
+ *-------------------------------------------------------------------------
+ */
+herr_t
+H5E_push_new(H5E_t_new *estack, const char *file, const char *func, unsigned line,
+ hid_t cls_id, hid_t maj_id, hid_t min_id, const char *desc)
+{
+ /*
+ * 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_NOINIT(H5E_push_new);
+
+ /*
+ * 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.
+ */
+ assert (estack);
+ if (estack->nused<H5E_NSLOTS) {
+ estack->slot[estack->nused].cls_id = cls_id;
+ estack->slot[estack->nused].maj_id = maj_id;
+ estack->slot[estack->nused].min_id = min_id;
+ estack->slot[estack->nused].func_name = func;
+ estack->slot[estack->nused].file_name = file;
+ estack->slot[estack->nused].line = line;
+ estack->slot[estack->nused].desc = desc;
+ estack->nused++;
+ }
+
+ FUNC_LEAVE_NOAPI(SUCCEED);
+}
+
+
#endif /* NEW_ERR */