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/* -*- c-file-style: "stroustrup" -*- */
#include "hdf5.h"
#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
int
main(void)
{
int ret_val = EXIT_SUCCESS;
//! <!-- [create] -->
{
__label__ fail_push, fail_minor, fail_major, fail_class;
hid_t cls, major, minor;
// register a new error class for this "application"
if ((cls = H5Eregister_class("Custom error class", "H5E_examples", "0.1")) == H5I_INVALID_HID) {
ret_val = EXIT_FAILURE;
goto fail_class;
}
// create custom major and minor error codes
if ((major = H5Ecreate_msg(cls, H5E_MAJOR, "Okay, Houston, we've had a problem here")) ==
H5I_INVALID_HID) {
ret_val = EXIT_FAILURE;
goto fail_major;
}
if ((minor = H5Ecreate_msg(cls, H5E_MINOR, "Oops!")) == H5I_INVALID_HID) {
ret_val = EXIT_FAILURE;
goto fail_minor;
}
// push a custom error message onto the default stack
if (H5Epush2(H5E_DEFAULT, __FILE__, __FUNCTION__, __LINE__, cls, major, minor, "Hello, Error!\n") <
0) {
ret_val = EXIT_FAILURE;
goto fail_push;
}
// print the default error stack
if (H5Eprint(H5E_DEFAULT, stderr) < 0) {
ret_val = EXIT_FAILURE;
}
fail_push:
H5Eclose_msg(minor);
fail_minor:
H5Eclose_msg(major);
fail_major:
H5Eunregister_class(cls);
fail_class:;
}
//! <!-- [create] -->
//! <!-- [read] -->
{
__label__ fail_count;
// check the number of error messages on the default stack
// and print what's there
ssize_t count = H5Eget_num(H5E_DEFAULT);
if (count < 0) {
ret_val = EXIT_FAILURE;
goto fail_count;
}
else if (H5Eprint(H5E_DEFAULT, stderr) < 0) {
ret_val = EXIT_FAILURE;
}
fail_count:;
}
//! <!-- [read] -->
//! <!-- [update] -->
{
// pop 10 error messages off the default error stack
// popping off non-existent messages is OK, but might be confusing
if (H5Epop(H5E_DEFAULT, 10) < 0)
ret_val = EXIT_FAILURE;
}
//! <!-- [update] -->
//! <!-- [delete] -->
{
// clear the default error stack (for the current thread)
if (H5Eclear2(H5E_DEFAULT) < 0)
ret_val = EXIT_FAILURE;
}
//! <!-- [delete] -->
assert(ret_val == EXIT_SUCCESS);
return ret_val;
}
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