__linux__ (already defined by compiler) not _linux_ (manually defined)
[ppp.git] / pppstats / pppstats.c
index 36e1ed60dd6c7f42af3003f52496f36cdf786ee2..6367988eb96bf03c588b6228ee0c0fdf115f0fbb 100644 (file)
  * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
  */
 
+#ifndef __STDC__
+#define const
+#endif
+
 #ifndef lint
-static char rcsid[] = "$Id: pppstats.c,v 1.22 1998/03/31 23:48:03 paulus Exp $";
+static const char rcsid[] = "$Id: pppstats.c,v 1.29 2002/10/27 12:56:26 fcusack Exp $";
 #endif
 
 #include <stdio.h>
@@ -49,22 +53,28 @@ static char rcsid[] = "$Id: pppstats.c,v 1.22 1998/03/31 23:48:03 paulus Exp $";
 #include <sys/ioctl.h>
 
 #ifndef STREAMS
+#if defined(__linux__) && defined(__powerpc__) \
+    && (__GLIBC__ == 2 && __GLIBC_MINOR__ == 0)
+/* kludge alert! */
+#undef __GLIBC__
+#endif
 #include <sys/socket.h>                /* *BSD, Linux, NeXT, Ultrix etc. */
-#ifndef _linux_
+#ifndef __linux__
 #include <net/if.h>
 #include <net/ppp_defs.h>
 #include <net/if_ppp.h>
 #else
 /* Linux */
 #if __GLIBC__ >= 2
+#include <asm/types.h>         /* glibc 2 conflicts with linux/types.h */
 #include <net/if.h>
 #else
+#include <linux/types.h>
 #include <linux/if.h>
 #endif
-#include <linux/types.h>
 #include <linux/ppp_defs.h>
 #include <linux/if_ppp.h>
-#endif /* _linux_ */
+#endif /* __linux__ */
 
 #else  /* STREAMS */
 #include <sys/stropts.h>       /* SVR4, Solaris 2, SunOS 4, OSF/1, etc. */
@@ -89,6 +99,14 @@ extern int optind;
 extern char *optarg;
 #endif
 
+/*
+ * If PPP_DRV_NAME is not defined, use the legacy "ppp" as the
+ * device name.
+ */
+#if !defined(PPP_DRV_NAME)
+#define PPP_DRV_NAME    "ppp"
+#endif /* !defined(PPP_DRV_NAME) */
+
 static void usage __P((void));
 static void catchalarm __P((int));
 static void get_ppp_stats __P((struct ppp_stats *));
@@ -126,7 +144,7 @@ get_ppp_stats(curp)
 
     memset (&req, 0, sizeof (req));
 
-#ifdef _linux_
+#ifdef __linux__
     req.stats_ptr = (caddr_t) &req.stats;
 #undef ifr_name
 #define ifr_name ifr__name
@@ -152,7 +170,7 @@ get_ppp_cstats(csp)
 
     memset (&creq, 0, sizeof (creq));
 
-#ifdef _linux_
+#ifdef __linux__
     creq.stats_ptr = (caddr_t) &creq.stats;
 #undef  ifr_name
 #define ifr_name ifr__name
@@ -172,18 +190,26 @@ get_ppp_cstats(csp)
        }
     }
 
-#ifdef _linux_
+#ifdef __linux__
+    if (creq.stats.c.bytes_out == 0) {
+       creq.stats.c.bytes_out = creq.stats.c.comp_bytes + creq.stats.c.inc_bytes;
+       creq.stats.c.in_count = creq.stats.c.unc_bytes;
+    }
     if (creq.stats.c.bytes_out == 0)
        creq.stats.c.ratio = 0.0;
     else
-       creq.stats.c.ratio = (double) creq.stats.c.in_count /
-                            (double) creq.stats.c.bytes_out;
+       creq.stats.c.ratio = 256.0 * creq.stats.c.in_count /
+                            creq.stats.c.bytes_out;
 
+    if (creq.stats.d.bytes_out == 0) {
+       creq.stats.d.bytes_out = creq.stats.d.comp_bytes + creq.stats.d.inc_bytes;
+       creq.stats.d.in_count = creq.stats.d.unc_bytes;
+    }
     if (creq.stats.d.bytes_out == 0)
        creq.stats.d.ratio = 0.0;
     else
-       creq.stats.d.ratio = (double) creq.stats.d.in_count /
-                            (double) creq.stats.d.bytes_out;
+       creq.stats.d.ratio = 256.0 * creq.stats.d.in_count /
+                            creq.stats.d.bytes_out;
 #endif
 
     *csp = creq.stats;
@@ -318,26 +344,26 @@ intpr()
                       W(d.comp_packets),
                       KBPS(W(d.inc_bytes)),
                       W(d.inc_packets),
-                      ccs.d.ratio * 256.0);
+                      ccs.d.ratio / 256.0);
                printf(" | %8.3f %6u %8.3f %6u %6.2f",
                       KBPS(W(c.comp_bytes)),
                       W(c.comp_packets),
                       KBPS(W(c.inc_bytes)),
                       W(c.inc_packets),
-                      ccs.c.ratio * 256.0);
+                      ccs.c.ratio / 256.0);
            } else {
                printf("%8u %6u %8u %6u %6.2f",
                       W(d.comp_bytes),
                       W(d.comp_packets),
                       W(d.inc_bytes),
                       W(d.inc_packets),
-                      ccs.d.ratio * 256.0);
+                      ccs.d.ratio / 256.0);
                printf(" | %8u %6u %8u %6u %6.2f",
                       W(c.comp_bytes),
                       W(c.comp_packets),
                       W(c.inc_bytes),
                       W(c.inc_packets),
-                      ccs.c.ratio * 256.0);
+                      ccs.c.ratio / 256.0);
            }
        
        } else {
@@ -426,7 +452,7 @@ main(argc, argv)
     char *dev;
 #endif
 
-    interface = "ppp0";
+    interface = PPP_DRV_NAME "0";
     if ((progname = strrchr(argv[0], '/')) == NULL)
        progname = argv[0];
     else
@@ -480,7 +506,7 @@ main(argc, argv)
     if (argc > 0)
        interface = argv[0];
 
-    if (sscanf(interface, "ppp%d", &unit) != 1) {
+    if (sscanf(interface, PPP_DRV_NAME "%d", &unit) != 1) {
        fprintf(stderr, "%s: invalid interface '%s' specified\n",
                progname, interface);
     }
@@ -496,7 +522,7 @@ main(argc, argv)
            exit(1);
        }
 
-#ifdef _linux_
+#ifdef __linux__
 #undef  ifr_name
 #define ifr_name ifr_ifrn.ifrn_name
 #endif
@@ -512,7 +538,7 @@ main(argc, argv)
 #ifdef __osf__
     dev = "/dev/streams/ppp";
 #else
-    dev = "/dev/ppp";
+    dev = "/dev/" PPP_DRV_NAME;
 #endif
     if ((s = open(dev, O_RDONLY)) < 0) {
        fprintf(stderr, "%s: couldn't open ", progname);