network_cmds-115.tar.gz

[apple/network_cmds.git] / racoonctl.tproj / misc.c

diff --git a/racoonctl.tproj/misc.c b/racoonctl.tproj/misc.c
new file mode 100644 (file)
index 0000000..8906017
--- /dev/null
+++ b/racoonctl.tproj/misc.c
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+/*     $KAME: misc.c,v 1.22 2001/07/14 05:48:33 sakane Exp $   */
+
+/*
+ * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the project nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <sys/types.h>
+#include <sys/param.h>
+#include <sys/stat.h>
+#include <sys/time.h>
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <errno.h>
+#include <syslog.h>
+#include <ctype.h>
+
+#include "var.h"
+#include "misc.h"
+#include "debug.h"
+
+#if 0
+static int bindump __P((void *, size_t));
+
+static int
+bindump(buf0, len)
+        void *buf0;
+        size_t len;
+{
+       unsigned char *buf = (unsigned char *)buf0;
+       size_t i;
+
+       for (i = 0; i < len; i++) {
+               if ((buf[i] & 0x80) || !isprint(buf[i]))
+                       printf("\\x%x", buf[i]);
+               else
+                       printf("%c", buf[i]);
+       }
+       printf("\n");
+
+       return 0;
+}
+#endif
+
+int
+hexdump(buf0, len)
+       void *buf0;
+       size_t len;
+{
+       caddr_t buf = (caddr_t)buf0;
+       size_t i;
+
+       for (i = 0; i < len; i++) {
+               if (i != 0 && i % 32 == 0)
+                       printf("\n");
+               if (i % 4 == 0)
+                       printf(" ");
+               printf("%02x", (unsigned char)buf[i]);
+       }
+       printf("\n");
+
+       return 0;
+}
+
+char *
+bit2str(n, bl)
+       int n, bl;
+{
+#define MAXBITLEN 128
+       static char b[MAXBITLEN + 1];
+       int i;
+
+       if (bl > MAXBITLEN)
+               return "Failed to convert.";    /* NG */
+       memset(b, '0', bl);
+       b[bl] = '\0';
+
+       for (i = 0; i < bl; i++) {
+               if (n & (1 << i))
+                       b[bl - 1 - i] = '1';
+       }
+
+       return b;
+}
+
+const char *
+debug_location(file, line, func)
+       const char *file;
+       int line;
+       const char *func;
+{
+       static char buf[1024];
+       const char *p;
+
+       /* truncate pathname */
+       p = strrchr(file, '/');
+       if (p)
+               p++;
+       else
+               p = file;
+
+       if (func)
+               snprintf(buf, sizeof(buf), "%s:%d:%s()", p, line, func);
+       else
+               snprintf(buf, sizeof(buf), "%s:%d", p, line);
+
+       return buf;
+}
+
+/*
+ * get file size.
+ * -1: error occured.
+ */
+int
+getfsize(path)
+       char *path;
+{
+        struct stat st;
+
+        if (stat(path, &st) != 0)
+                return -1;
+        else
+                return st.st_size;
+}
+
+/*
+ * calculate the difference between two times.
+ * t1: start
+ * t2: end
+ */
+double
+timedelta(t1, t2)
+       struct timeval *t1, *t2;
+{
+       if (t2->tv_usec >= t1->tv_usec)
+               return t2->tv_sec - t1->tv_sec +
+                       (double)(t2->tv_usec - t1->tv_usec) / 1000000;
+
+       return t2->tv_sec - t1->tv_sec - 1 +
+               (double)(1000000 + t2->tv_usec - t1->tv_usec) / 1000000;
+}