netcdf-c/libsrc4/error4.c

80 lines
1.9 KiB
C

/*! \file
Copyright 2003-2018, University Corporation for Atmospheric
Research. See netcdf-4/docs/COPYRIGHT file for copying and
redistribution conditions. */
/**
* @file @internal This file is part of netcdf-4, a netCDF-like
* interface for HDF5, or a HDF5 backend for netCDF, depending on your
* point of view.
*
* This file contains functions relating to logging errors. Also it
* contains the functions nc_malloc, nc_calloc, and nc_free.
*
* @author Ed Hartnett
*/
#include "config.h"
#include <stdarg.h>
#include <stdlib.h>
#include <stdio.h>
#include "assert.h"
#ifdef USE_HDF5
#include <hdf5.h>
#endif /* USE_HDF5 */
/* This contents of this file get skipped if LOGGING is not defined
* during compile. */
#ifdef LOGGING
extern int nc_log_level;
/* This function prints out a message, if the severity of the message
is lower than the global nc_log_level. To use it, do something like
this:
nc_log(0, "this computer will explode in %d seconds", i);
After the first arg (the severity), use the rest like a normal
printf statement. Output will appear on stderr.
This function is heavily based on the function in section 15.5 of
the C FAQ. */
void
nc_log(int severity, const char *fmt, ...)
{
va_list argp;
int t;
/* If the severity is greater than the log level, we don' care to
print this message. */
if (severity > nc_log_level)
return;
/* If the severity is zero, this is an error. Otherwise insert that
many tabs before the message. */
if (!severity)
fprintf(stderr, "ERROR: ");
for (t=0; t<severity; t++)
fprintf(stderr, "\t");
/* Print out the variable list of args with vprintf. */
va_start(argp, fmt);
vfprintf(stderr, fmt, argp);
va_end(argp);
/* Put on a final linefeed. */
fprintf(stderr, "\n");
fflush(stderr);
}
void
nc_log_hdf5(void)
{
#ifdef USE_HDF5
H5Eprint(NULL);
#endif /* USE_HDF5 */
}
#endif /* ifdef LOGGING */