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/**
* slibc — Yet another C library
* Copyright © 2015 Mattias Andrée (maandree@member.fsf.org)
*
* 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 3 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, see <http://www.gnu.org/licenses/>.
*/
#include <stddef.h>
/**
* Counts the number of times `error` ( verror`) and
* `error_at_line` (`verror_at_line`) has returned.
* This variable is global and shared by all threads.
*
* This is a GNU extension.
*
* @etymology (`error`)-subsystem: (message count).
*
* @since Always.
*/
volatile unsigned int error_message_count = 0;
/**
* If set to non-zero (the default), `error_at_line`
* and `verror_at_line` restrict themself to only
* print an error the first time it appears. This
* is determined by the uniqueness of the combination
* of the values on `filename` and `linenum`. However
* it will forget the line the next time the function
* is called from a different line. This variable is
* global and shared by all threads. Has a slibc
* modification, `errnum` is also remembered, meaning
* if the error code is different (zero is considered
* an error code), the error is printed even if it
* occurred on the same line as the last time.
*
* This is a GNU extension.
*
* @etymology (`error`)-subsystem: print (one) time (per line).
*
* @since Always.
*/
volatile int error_one_per_line = 1;
/**
* If not `NULL`, this function is used instead of
* flushing stdout and printing the process name to
* stderr, by `error` (`verror`) and `verror_at_line`
* (`verror_at_line`). This variable is global and
* shared by all threads.
*
* This is a GNU extension.
*
* @etymology (`error`)-subsystem function: (print) the (prog)ram's (name).
*
* @since Always.
*/
void (*volatile error_print_progname)(void) = NULL;
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