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- /*
- * CBLibrary - FopenCount
- * Copyright (C) 2003 Chris Bazley
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library 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
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
-
- /* Keep a count of the number of files open */
-
- /* ANSI library headers */
- #include <stdio.h>
- #include <assert.h>
-
- /* Other headers */
- #include "FopenCount.h"
-
- static unsigned int fopen_count = 0;
-
- FILE *fopen_inc(const char *filename, const char *mode)
- {
- /* Open a file, incrementing the counter if successful */
- FILE *f = fopen(filename, mode);
- if(f != NULL)
- fopen_count++;
- return f;
- }
-
- int fclose_dec(FILE *stream)
- {
- /* Close a file, decrementing the counter if successful */
- int f = fclose(stream);
- if(f != EOF)
- fopen_count--;
- assert(fopen_count >= 0);
- return f;
- }
-
- unsigned int fopen_num(void)
- {
- /* Return the number of files currently open */
- return fopen_count;
- }
-