Materiale rimasto indietro e prove con i timer POSIX

[gapil.git] / sources / chechmcheck.c

diff --git a/sources/chechmcheck.c b/sources/chechmcheck.c
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+/* checkmcheck.c
+ * 
+ * Copyright (C) 2009 Simone Piccardi
+ * 
+ * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+/****************************************************************
+ *
+ * Program checkmcheck: 
+ * Some sample tests on mcheck
+ *
+ * Author: Simone Piccardi
+ * Jun. 2009
+ *
+ * Usage: errcode -h give all info's
+ *
+ ****************************************************************/
+/* 
+ * Include needed headers
+ */
+#include <errno.h>       /* error definitions and routines */ 
+#include <stdlib.h>      /* C standard library */
+#include <unistd.h>      /* unix standard library */
+#include <stdio.h>      /* standard I/O library */
+#include <string.h>      /* C strings library */
+#include <mcheck.h>      /* Malloc checking library */
+
+
+void myabort(enum mcheck_status status);
+void printcode(enum mcheck_status status);
+
+int main(int argc, char *argv[])
+{
+/* 
+ * Variables definition  
+ */
+    int ret;
+    void * ptr;
+    /*
+     */
+    ret = mcheck(myabort); 
+    ptr = malloc(1000);
+    printcode(mprobe(ptr));
+    free(ptr);
+    printcode(mprobe(ptr));
+    free(ptr);
+    printcode(mprobe(ptr));
+       
+    /* normal exit */
+    return 0;
+}
+
+void printcode(status)
+{
+    switch (status) {
+    case MCHECK_DISABLED:
+       printf("Status code = MCHECK_DISABLED\n");
+       return;
+    case MCHECK_OK:
+       printf("Status code = MCHECK_OK\n");
+       return;
+    case MCHECK_HEAD:
+       printf("Status code = MCHECK_HEAD\n");
+       return;
+    case MCHECK_TAIL:
+       printf("Status code = MCHECK_TAIL\n");
+       return;
+    case MCHECK_FREE:
+       printf("Status code = MCHECK_FREE\n");
+       return;
+    default:
+       return;
+    }
+}
+/*
+ * routine to print code and abort
+ */
+void myabort(enum mcheck_status status)
+{
+    printcode(status);
+    abort();
+}