/usr/include/wreport/fast.h is in libwreport-dev 2.14-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* DB-ALLe - Archive for punctual meteorological data
*
* Copyright (C) 2005,2006 ARPA-SIM <urpsim@smr.arpa.emr.it>
*
* 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.
*
* 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
* Author: Enrico Zini <enrico@enricozini.com>
*/
#ifndef DBA_CORE_FAST_H
#define DBA_CORE_FAST_H
#ifdef __cplusplus
extern "C" {
#endif
/** @file
* @ingroup core
* Implement inline optimized commonly used routines
*/
#include <stdlib.h>
/**
* Format a value into its decimal representation.
*
* @warning This function is not thread safe.
*
* @param value
* Number to convert.
* @param len
* Maximum length of the resulting string.
* The most significant digits are truncated if the len is too short to fit
* the value.
* @return
* The string representation in a statically allocated string.
*/
static inline char *itoa(long value, int len)
{
/* Adaptation from the _itoa_word function in glibc */
static const char *digits = "0123456789";
static char buf[20] = "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0";
char* buflim = buf+19;
int negative = value < 0;
// if (negative) value = -value;
do
*--buflim = digits[abs(value % 10)];
while ((value /= 10) != 0 && --len != 0);
if (negative && len)
*--buflim = '-';
return buflim;
}
#ifdef __cplusplus
}
#endif
#endif
/* vim:set ts=4 sw=4: */
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