103 lines
2.5 KiB
C
103 lines
2.5 KiB
C
/*
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* FCRON - periodic command scheduler
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*
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* Copyright 2000-2014 Thibault Godouet <fcron@free.fr>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* The GNU General Public License can also be found in the file
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* `LICENSE' that comes with the fcron source distribution.
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*/
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#include "global.h"
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#include "filesubs.h"
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/* close() a file, and set the FD to -1.
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* Returns close()'s return value and leaves errno as is. */
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int
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xclose(int *fd)
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{
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int retval = -1;
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if (*fd != -1) {
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retval = close(*fd);
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*fd = -1;
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}
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return retval;
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}
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/* close() a file, and set the FD to -1. Check for errors and log them.
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* Returns close()'s return value.
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* WARNING: do NOT call from log.c to avoid potential infinite loops! */
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int
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xclose_check(int *fd, const char *filedesc)
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{
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int retval = -1;
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if (*fd != -1) {
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retval = close(*fd);
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if (retval != 0) {
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error_e("Error while closing %s", filedesc);
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}
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*fd = -1;
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}
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return retval;
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}
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/* fclose() a file, and set the FILE* to NULL.
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* Returns fclose()'s return value and leaves errno as is. */
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int
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xfclose(FILE ** f)
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{
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int retval = EOF;
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if (f == NULL) {
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return retval;
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}
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if (*f != NULL) {
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retval = fclose(*f);
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*f = NULL;
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}
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return retval;
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}
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/* fclose() a file, and set the FILE* to NULL. Check for errors and log them.
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* Returns fclose()'s return value.
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* WARNING: do NOT call from log.c to avoid potential infinite loops! */
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int
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xfclose_check(FILE ** f, const char *filedesc)
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{
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int retval = EOF;
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if (f == NULL) {
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return retval;
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}
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if (*f != NULL) {
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retval = fclose(*f);
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if (retval != 0) {
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error_e("Error while fclosing %s", filedesc);
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}
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*f = NULL;
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}
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return retval;
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}
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