--- trunk/darkstattype.c	2014/03/21 16:04:33	12
+++ 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();
@@ -489,7 +498,7 @@ 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
@@ -561,7 +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();
@@ -609,22 +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();
 
@@ -657,7 +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();
 
@@ -670,7 +679,7 @@ void decode_tcp_data(void)
     port = read16u();
 
     print_indentation();
-    printf("Port %d:\n", port);
+    printf("Port %u:\n", port);
 
     syn = read64u();
 
@@ -703,7 +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();
 
@@ -715,7 +724,7 @@ void decode_udp_data(void)
     port = read16u();
 
     print_indentation();
-    printf("Port %d:\n", port);
+    printf("Port %u:\n", port);
 
     in = read64u();
 
@@ -755,7 +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();