--- trunk/darkstattype.c	2014/03/21 15:40:57	10
+++ trunk/darkstattype.c	2014/03/21 18:35:50	14
@@ -78,22 +78,26 @@ int main(int argc, char **argv)
   argc -= optind;
   argv += optind;
 
-  if (argv[0] == NULL) {
+  if (*argv == NULL) {
     fprintf(stderr, "%s: missing filename\n\n", progname);
     show_usage(EXIT_FAILURE);
   } // if
 
-  filename = argv[0];
+  while (*argv != NULL) {
+    filename = *argv;
 
-  decode_file();
+    decode_file();
 
+    argv++;
+  } // while
+
   return EXIT_SUCCESS;
 } // main()
 
 void show_usage(int exitcode)
 {
   fprintf((exitcode == EXIT_SUCCESS) ? stdout : stderr,
-    "Usage: %s [-f] [-h] [-v] filename\n"
+    "Usage: %s [-f] [-h] [-v] filename ...\n"
     " E.g.: %s darkstat.db\n\n"
 
     "Options:\n"
@@ -208,6 +212,11 @@ void decode_file(void)
   } // for
 
   exdent();
+
+  if (fclose(file) != 0) {
+    fprintf(stderr, "%s: fclose(\"%s\") = %s (%d)\n", progname, filename, strerror(errno), errno);
+    exit(EXIT_FAILURE);
+  } // if
 } // decode_file()
 
 void decode_host_db_v1(void)
@@ -290,7 +299,7 @@ void decode_host_header_v1(void)
   ipv4address[3] = read8u();
 
   print_indentation();
-  printf("IPv4 address %d.%d.%d.%d\n",
+  printf("IPv4 address %u.%u.%u.%u\n",
          ipv4address[0], ipv4address[1], ipv4address[2], ipv4address[3]);
 
   macaddress[0] = read8u();
@@ -306,7 +315,7 @@ void decode_host_header_v1(void)
   hostnamelen = read8u();
 
   print_indentation();
-  printf("Hostname length %d\n", hostnamelen);
+  printf("Hostname length %u\n", hostnamelen);
 
   for (i = 0; i < hostnamelen; i++) {
     hostname[i] = read8u();
@@ -373,7 +382,7 @@ void decode_host_header_v2(void)
   ipv4address[3] = read8u();
 
   print_indentation();
-  printf("IPv4 address %d.%d.%d.%d\n",
+  printf("IPv4 address %u.%u.%u.%u\n",
          ipv4address[0], ipv4address[1], ipv4address[2], ipv4address[3]);
 
   if (follow_specification == true) {
@@ -416,7 +425,7 @@ void decode_host_header_v2(void)
   hostnamelen = read8u();
 
   print_indentation();
-  printf("Hostname length %d\n", hostnamelen);
+  printf("Hostname length %u\n", hostnamelen);
 
   for (i = 0; i < hostnamelen; i++) {
     hostname[i] = read8u();
@@ -462,20 +471,20 @@ void decode_host_header_v3(void)
 
 void decode_host_header_v3(void)
 {
-  unsigned char addressfamily;
-  unsigned char ipv4address[4];
-  unsigned char ipv6address[16];
-  unsigned char macaddress[6];
-    signed long lastseen;
-  unsigned char hostnamelen;
-  unsigned char hostname[256];
-  unsigned long bytesin;
-  unsigned long bytesout;
-  unsigned char protosdata;
-  unsigned char tcpdata;
-  unsigned char udpdata;
+  unsigned char  addressfamily;
+  unsigned char  ipv4address[4];
+  unsigned short ipv6address[8];
+  unsigned char  macaddress[6];
+    signed long  lastseen;
+  unsigned char  hostnamelen;
+  unsigned char  hostname[256];
+  unsigned long  bytesin;
+  unsigned long  bytesout;
+  unsigned char  protosdata;
+  unsigned char  tcpdata;
+  unsigned char  udpdata;
 
-  unsigned char i;
+  unsigned char  i;
 
   indent();
 
@@ -489,48 +498,32 @@ void decode_host_header_v3(void)
     ipv4address[3] = read8u();
 
     print_indentation();
-    printf("IPv4 address %d.%d.%d.%d\n",
+    printf("IPv4 address %u.%u.%u.%u\n",
            ipv4address[0], ipv4address[1], ipv4address[2], ipv4address[3]);
   } // if
   else if (addressfamily == 0x06) { // IPv6 address
     print_indentation();
     printf("IPv6 address family (0x%02x)\n", addressfamily);
 
-    ipv6address[ 0] = read8u();
-    ipv6address[ 1] = read8u();
-    ipv6address[ 2] = read8u();
-    ipv6address[ 3] = read8u();
-    ipv6address[ 4] = read8u();
-    ipv6address[ 5] = read8u();
-    ipv6address[ 6] = read8u();
-    ipv6address[ 7] = read8u();
-    ipv6address[ 8] = read8u();
-    ipv6address[ 9] = read8u();
-    ipv6address[10] = read8u();
-    ipv6address[11] = read8u();
-    ipv6address[12] = read8u();
-    ipv6address[13] = read8u();
-    ipv6address[14] = read8u();
-    ipv6address[15] = read8u();
+    ipv6address[0] = read16u();
+    ipv6address[1] = read16u();
+    ipv6address[2] = read16u();
+    ipv6address[3] = read16u();
+    ipv6address[4] = read16u();
+    ipv6address[5] = read16u();
+    ipv6address[6] = read16u();
+    ipv6address[7] = read16u();
 
     print_indentation();
-    printf("IPv6 address %02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x\n",
-           ipv6address[ 0],
-           ipv6address[ 1],
-           ipv6address[ 2],
-           ipv6address[ 3],
-           ipv6address[ 4],
-           ipv6address[ 5],
-           ipv6address[ 6],
-           ipv6address[ 7],
-           ipv6address[ 8],
-           ipv6address[ 9],
-           ipv6address[10],
-           ipv6address[11],
-           ipv6address[12],
-           ipv6address[13],
-           ipv6address[14],
-           ipv6address[15]);
+    printf("IPv6 address %04x:%04x:%04x:%04x:%04x:%04x:%04x:%04x\n",
+           ipv6address[0],
+           ipv6address[1],
+           ipv6address[2],
+           ipv6address[3],
+           ipv6address[4],
+           ipv6address[5],
+           ipv6address[6],
+           ipv6address[7]);
   } // else if
   else { // unknown address family
     fprintf(stderr, "%s:%s:%ld: unknown address family = 0x%x, neither 0x%x nor 0x%x\n", progname, filename, ftell(file), addressfamily, 0x04, 0x06);
@@ -577,7 +570,7 @@ void decode_host_header_v3(void)
   hostnamelen = read8u();
 
   print_indentation();
-  printf("Hostname length %d\n", hostnamelen);
+  printf("Hostname length %u\n", hostnamelen);
 
   for (i = 0; i < hostnamelen; i++) {
     hostname[i] = read8u();
@@ -625,22 +618,22 @@ void decode_protos_data(void)
 {
   unsigned char ipprotocount;
 
-  unsigned char u;
+  unsigned char i;
 
   ipprotocount = read8u();
 
   print_indentation();
-  printf("IP Proto count %d\n", ipprotocount);
+  printf("IP Proto count %u\n", ipprotocount);
 
   indent();
 
-  for (u = 0; u < ipprotocount; u++) {
+  for (i = 0; i < ipprotocount; i++) {
     unsigned char proto;
     unsigned long in;
     unsigned long out;
 
     print_indentation();
-    printf("Protocol #%u of %u:\n", u + 1, ipprotocount);
+    printf("Protocol #%u of %u:\n", i + 1, ipprotocount);
 
     proto = read8u();
 
@@ -673,7 +666,7 @@ void decode_tcp_data(void)
   tcpprotocount = read16u();
 
   print_indentation();
-  printf("TCP proto count %d\n", tcpprotocount);
+  printf("TCP proto count %u\n", tcpprotocount);
 
   indent();
 
@@ -686,7 +679,7 @@ void decode_tcp_data(void)
     port = read16u();
 
     print_indentation();
-    printf("Port %d:\n", port);
+    printf("Port %u:\n", port);
 
     syn = read64u();
 
@@ -719,7 +712,7 @@ void decode_udp_data(void)
   udpprotocount = read16u();
 
   print_indentation();
-  printf("UDP proto count %d\n", udpprotocount);
+  printf("UDP proto count %u\n", udpprotocount);
 
   indent();
 
@@ -731,7 +724,7 @@ void decode_udp_data(void)
     port = read16u();
 
     print_indentation();
-    printf("Port %d:\n", port);
+    printf("Port %u:\n", port);
 
     in = read64u();
 
@@ -771,7 +764,7 @@ void decode_graph_db_v1(void)
     unsigned int j;
 
     print_indentation();
-    printf("Graph #%d of 4:\n", i + 1);
+    printf("Graph #%u of 4:\n", i + 1);
 
     nbars = read8u();