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