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log.cu
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log.cu
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/* log.cu: logging functions for gpufield.
* Copyright (C) 2014 Bradley Worley.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License,
* or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the
*
* Free Software Foundation, Inc.
* 59 Temple Place, Suite 330
* Boston, MA 02111-1307 USA
*/
/* include the log header. */
#include "log.h"
/* define a convenience function for verbose logging. */
#define logf(...) logf_fn (__FILE__, __LINE__, __VA_ARGS__)
/* predeclare the core verbose logging function. */
void logf_fn (const char *f, const unsigned int l, const char *format, ...)
__attribute__ ((format (printf, 3, 4)));
/* logf_fn: verbose logging core function.
* @f: filename string.
* @l: line number.
* @format: printf-style format string.
* @...: variable-length argument list.
*/
void logf_fn (const char *f, const unsigned int l, const char *format, ...) {
/* declare the variable-length argument list. */
va_list vl;
/* print the first portion of the log string. */
fprintf (stderr, "%s[%u]: ", f, l);
/* print the user-controlled portion of the log string. */
va_start (vl, format);
vfprintf (stderr, format, vl);
va_end (vl);
/* tack on a newline. */
fprintf (stderr, "\n");
fflush (stderr);
}