--- trunk/darkstattype.c	2014/03/21 19:15:01	16
+++ trunk/darkstattype.c	2014/04/09 09:20:17	19
@@ -71,7 +71,8 @@ int main(int argc, char **argv)
       case '?':
         /*FALLTHROUGH*/
       default:
-        fprintf(stderr, "%s: illegal option -%c\n\n", progname, optopt);
+        fprintf(stderr, "%s: illegal option -%c\n\n",
+                progname, optopt);
         show_usage(EXIT_FAILURE);
         break;
     } // switch
@@ -80,7 +81,8 @@ int main(int argc, char **argv)
   argv += optind;
 
   if (*argv == NULL) {
-    fprintf(stderr, "%s: missing filename\n\n", progname);
+    fprintf(stderr, "%s: missing filename\n\n",
+            progname);
     show_usage(EXIT_FAILURE);
   } // if
 
@@ -98,7 +100,7 @@ void show_usage(int exitcode)
 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"
@@ -168,14 +170,16 @@ void decode_file(void)
   uint32_t i;
 
   if ( (file = fopen(filename, "rb")) == NULL) {
-    fprintf(stderr, "%s: fopen(\"%s\") = %s (%d)\n", progname, filename, strerror(errno), errno);
+    fprintf(stderr, "%s: fopen(\"%s\") = %s (%d)\n",
+            progname, filename, strerror(errno), errno);
     exit(EXIT_FAILURE);
   } // if
 
 #define FILE_HEADER_V1 0xDA314159U
 
   if ( (fileheader = read32u()) != FILE_HEADER_V1) { // not darkstat export format
-    fprintf(stderr, "%s:%s:%ld: file header = 0x%x, not 0x%x\n", progname, filename, ftell(file), fileheader, FILE_HEADER_V1);
+    fprintf(stderr, "%s:%s:%ld: file header = 0x%x, not 0x%x\n",
+            progname, filename, ftell(file), fileheader, FILE_HEADER_V1);
     exit(EXIT_FAILURE);
   } // if
 
@@ -199,7 +203,10 @@ void decode_file(void)
       decode_graph_db_v1();
     } // else if
     else {
-      fprintf(stderr, "%s:%s:%ld: unknown section header = 0x%x, neither 0x%x nor 0x%x\n", progname, filename, ftell(file), sectionheader, HOST_DB_V1, GRAPH_DB_V1);
+      fprintf(stderr,
+              "%s:%s:%ld: unknown section header = 0x%x, neither 0x%x nor 0x%x\n",
+              progname, filename, ftell(file), sectionheader, HOST_DB_V1,
+              GRAPH_DB_V1);
       exit(EXIT_FAILURE);
     } // else
   } // for
@@ -207,7 +214,8 @@ void decode_file(void)
   exdent();
 
   if (fclose(file) != 0) {
-    fprintf(stderr, "%s: fclose(\"%s\") = %s (%d)\n", progname, filename, strerror(errno), errno);
+    fprintf(stderr, "%s: fclose(\"%s\") = %s (%d)\n",
+            progname, filename, strerror(errno), errno);
     exit(EXIT_FAILURE);
   } // if
 } // decode_file()
@@ -226,13 +234,15 @@ void decode_host_db_v1(void)
   hostcount = read32u();
 
   print_indentation();
-  printf("Host count %u\n", hostcount);
+  printf("Host count %u\n",
+         hostcount);
 
   for (i = 0; i < hostcount; i++) {
     uint32_t hostheader;
 
     print_indentation();
-    printf("Host #%u of %u:\n", i + 1, hostcount);
+    printf("Host #%u of %u:\n",
+           i + 1, hostcount);
 
     indent();
 
@@ -242,21 +252,27 @@ void decode_host_db_v1(void)
 
     if ( (hostheader = read32u()) == HOST_HEADER_V3) { // host header v3
       print_indentation();
-      printf("Host header v3 0x%x\n", hostheader);
+      printf("Host header v3 0x%x\n",
+             hostheader);
       decode_host_header_v3();
     } // if
     else if (hostheader == HOST_HEADER_V2) { // host header v2
       print_indentation();
-      printf("Host header v2 0x%x\n", hostheader);
+      printf("Host header v2 0x%x\n",
+             hostheader);
       decode_host_header_v2();
     } // else if
     else if (hostheader == HOST_HEADER_V1) { // host header v1
       print_indentation();
-      printf("Host header v1 0x%x\n", hostheader);
+      printf("Host header v1 0x%x\n",
+             hostheader);
       decode_host_header_v1();
     } // else if
     else { // unknown host header version
-      fprintf(stderr, "%s:%s:%ld: unknown host header = 0x%x, neither 0x%x nor 0x%x nor 0x%x\n", progname, filename, ftell(file), hostheader, HOST_HEADER_V3, HOST_HEADER_V2, HOST_HEADER_V1);
+      fprintf(stderr,
+              "%s:%s:%ld: unknown host header = 0x%x, neither 0x%x nor 0x%x nor 0x%x\n",
+              progname, filename, ftell(file), hostheader, HOST_HEADER_V3,
+              HOST_HEADER_V2, HOST_HEADER_V1);
       exit(EXIT_FAILURE);
     } // else
 
@@ -292,7 +308,7 @@ void decode_host_header_v1(void)
   ipv4address[3] = read8u();
 
   print_indentation();
-  printf("IPv4 address %u.%u.%u.%u\n",
+  printf("IPv4 address %hhu.%hhu.%hhu.%hhu\n",
          ipv4address[0], ipv4address[1], ipv4address[2], ipv4address[3]);
 
   macaddress[0] = read8u();
@@ -303,12 +319,15 @@ void decode_host_header_v1(void)
   macaddress[5] = read8u();
 
   print_indentation();
-  printf("MAC address %02x:%02x:%02x:%02x:%02x:%02x\n", macaddress[0], macaddress[1], macaddress[2], macaddress[3], macaddress[4], macaddress[5]);
+  printf("MAC address %02hhx:%02hhx:%02hhx:%02hhx:%02hhx:%02hhx\n",
+         macaddress[0], macaddress[1], macaddress[2],
+         macaddress[3], macaddress[4], macaddress[5]);
 
   hostnamelen = read8u();
 
   print_indentation();
-  printf("Hostname length %u\n", hostnamelen);
+  printf("Hostname length %u\n",
+         hostnamelen);
 
   for (i = 0; i < hostnamelen; i++) {
     hostname[i] = read8u();
@@ -316,34 +335,43 @@ void decode_host_header_v1(void)
   hostname[i] = '\0';
 
   print_indentation();
-  printf("Hostname %s\n", hostname);
+  printf("Hostname %s\n",
+         hostname);
 
   bytesin = read64u();
 
   print_indentation();
-  printf("Bytes in %lu\n", bytesin);
+  printf("Bytes in %lu\n",
+         bytesin);
 
   bytesout = read64u();
 
   print_indentation();
-  printf("Bytes out %lu\n", bytesout);
+  printf("Bytes out %lu\n",
+         bytesout);
 
   if ( (protosdata = read8u()) != 'P') { // missing protos data
-    fprintf(stderr, "%s:%s:%ld: expecting character P, not %c\n", progname, filename, ftell(file), protosdata);
+    fprintf(stderr,
+            "%s:%s:%ld: expecting character P, not %c\n",
+            progname, filename, ftell(file), protosdata);
     exit(EXIT_FAILURE);
   } // if
 
   decode_protos_data();
 
   if ( (tcpdata = read8u()) != 'T') { // missing tcp data
-    fprintf(stderr, "%s:%s:%ld: expecting character T, not %c\n", progname, filename, ftell(file), tcpdata);
+    fprintf(stderr,
+            "%s:%s:%ld: expecting character T, not %c\n",
+            progname, filename, ftell(file), tcpdata);
     exit(EXIT_FAILURE);
   } // if
 
   decode_tcp_data();
 
   if ( (udpdata = read8u()) != 'U') { // missing udp data
-    fprintf(stderr, "%s:%s:%ld: expecting character U, not %c\n", progname, filename, ftell(file), udpdata);
+    fprintf(stderr,
+            "%s:%s:%ld: expecting character U, not %c\n",
+            progname, filename, ftell(file), udpdata);
     exit(EXIT_FAILURE);
   } // if
 
@@ -375,7 +403,7 @@ void decode_host_header_v2(void)
   ipv4address[3] = read8u();
 
   print_indentation();
-  printf("IPv4 address %u.%u.%u.%u\n",
+  printf("IPv4 address %hhu.%hhu.%hhu.%hhu\n",
          ipv4address[0], ipv4address[1], ipv4address[2], ipv4address[3]);
 
   if (follow_specification == true) {
@@ -387,12 +415,15 @@ void decode_host_header_v2(void)
     macaddress[5] = read8u();
 
     print_indentation();
-    printf("MAC address %02x:%02x:%02x:%02x:%02x:%02x\n", macaddress[0], macaddress[1], macaddress[2], macaddress[3], macaddress[4], macaddress[5]);
+    printf("MAC address %02hhx:%02hhx:%02hhx:%02hhx:%02hhx:%02hhx\n",
+           macaddress[0], macaddress[1], macaddress[2],
+           macaddress[3], macaddress[4], macaddress[5]);
 
     lastseen = read64s();
 
     print_indentation();
-    printf("Last seen 0x%lx = %ld = ", lastseen, lastseen);
+    printf("Last seen 0x%lx = %ld = ",
+           lastseen, lastseen);
     print_time_t(lastseen);
     puts("");
   } // if
@@ -400,7 +431,8 @@ void decode_host_header_v2(void)
     lastseen = read64s();
 
     print_indentation();
-    printf("Last seen 0x%lx = %ld = ", lastseen, lastseen);
+    printf("Last seen 0x%lx = %ld = ",
+           lastseen, lastseen);
     print_time_t(lastseen);
     puts("");
 
@@ -412,13 +444,16 @@ void decode_host_header_v2(void)
     macaddress[5] = read8u();
 
     print_indentation();
-    printf("MAC address %02x:%02x:%02x:%02x:%02x:%02x\n", macaddress[0], macaddress[1], macaddress[2], macaddress[3], macaddress[4], macaddress[5]);
+    printf("MAC address %02hhx:%02hhx:%02hhx:%02hhx:%02hhx:%02hhx\n",
+           macaddress[0], macaddress[1], macaddress[2],
+           macaddress[3], macaddress[4], macaddress[5]);
   } // else
 
   hostnamelen = read8u();
 
   print_indentation();
-  printf("Hostname length %u\n", hostnamelen);
+  printf("Hostname length %hhu\n",
+         hostnamelen);
 
   for (i = 0; i < hostnamelen; i++) {
     hostname[i] = read8u();
@@ -426,34 +461,43 @@ void decode_host_header_v2(void)
   hostname[i] = '\0';
 
   print_indentation();
-  printf("Hostname %s\n", hostname);
+  printf("Hostname %s\n",
+         hostname);
 
   bytesin = read64u();
 
   print_indentation();
-  printf("Bytes in %lu\n", bytesin);
+  printf("Bytes in %lu\n",
+         bytesin);
 
   bytesout = read64u();
 
   print_indentation();
-  printf("Bytes out %lu\n", bytesout);
+  printf("Bytes out %lu\n",
+         bytesout);
 
   if ( (protosdata = read8u()) != 'P') { // missing protos data
-    fprintf(stderr, "%s:%s:%ld: expecting character P, not %c\n", progname, filename, ftell(file), protosdata);
+    fprintf(stderr,
+            "%s:%s:%ld: expecting character P, not %c\n",
+            progname, filename, ftell(file), protosdata);
     exit(EXIT_FAILURE);
   } // if
 
   decode_protos_data();
 
   if ( (tcpdata = read8u()) != 'T') { // missing tcp data
-    fprintf(stderr, "%s:%s:%ld: expecting character T, not %c\n", progname, filename, ftell(file), tcpdata);
+    fprintf(stderr,
+            "%s:%s:%ld: expecting character T, not %c\n",
+            progname, filename, ftell(file), tcpdata);
     exit(EXIT_FAILURE);
   } // if
 
   decode_tcp_data();
 
   if ( (udpdata = read8u()) != 'U') { // missing udp data
-    fprintf(stderr, "%s:%s:%ld: expecting character U, not %c\n", progname, filename, ftell(file), udpdata);
+    fprintf(stderr,
+            "%s:%s:%ld: expecting character U, not %c\n",
+            progname, filename, ftell(file), udpdata);
     exit(EXIT_FAILURE);
   } // if
 
@@ -481,9 +525,13 @@ void decode_host_header_v3(void)
 
   indent();
 
-  if ( (addressfamily = read8u()) == 0x04) { // IPv4 address
+#define A_F_4 0x04
+#define A_F_6 0x06
+
+  if ( (addressfamily = read8u()) == A_F_4) { // IPv4 address
     print_indentation();
-    printf("IPv4 address family (0x%02x)\n", addressfamily);
+    printf("IPv4 address family (0x%02hhx)\n",
+           addressfamily);
 
     ipv4address[0] = read8u();
     ipv4address[1] = read8u();
@@ -491,12 +539,13 @@ void decode_host_header_v3(void)
     ipv4address[3] = read8u();
 
     print_indentation();
-    printf("IPv4 address %u.%u.%u.%u\n",
+    printf("IPv4 address %hhu.%hhu.%hhu.%hhu\n",
            ipv4address[0], ipv4address[1], ipv4address[2], ipv4address[3]);
   } // if
-  else if (addressfamily == 0x06) { // IPv6 address
+  else if (addressfamily == A_F_6) { // IPv6 address
     print_indentation();
-    printf("IPv6 address family (0x%02x)\n", addressfamily);
+    printf("IPv6 address family (0x%02hhx)\n",
+           addressfamily);
 
     ipv6address[0] = read16u();
     ipv6address[1] = read16u();
@@ -508,18 +557,14 @@ void decode_host_header_v3(void)
     ipv6address[7] = read16u();
 
     print_indentation();
-    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]);
+    printf("IPv6 address %04hx:%04hx:%04hx:%04hx:%04hx:%04hx:%04hx:%04hx\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);
+    fprintf(stderr,
+            "%s:%s:%ld: unknown address family = 0x%hhx, neither 0x%x nor 0x%x\n",
+            progname, filename, ftell(file), addressfamily, A_F_4, A_F_6);
     exit(EXIT_FAILURE);
   } // else
 
@@ -532,12 +577,15 @@ void decode_host_header_v3(void)
     macaddress[5] = read8u();
 
     print_indentation();
-    printf("MAC address %02x:%02x:%02x:%02x:%02x:%02x\n", macaddress[0], macaddress[1], macaddress[2], macaddress[3], macaddress[4], macaddress[5]);
+    printf("MAC address %02hhx:%02hhx:%02hhx:%02hhx:%02hhx:%02hhx\n",
+           macaddress[0], macaddress[1], macaddress[2],
+           macaddress[3], macaddress[4], macaddress[5]);
 
     lastseen = read64s();
 
     print_indentation();
-    printf("Last seen 0x%lx = %ld = ", lastseen, lastseen);
+    printf("Last seen 0x%lx = %ld = ",
+           lastseen, lastseen);
     print_time_t(lastseen);
     puts("");
   } // if
@@ -545,7 +593,8 @@ void decode_host_header_v3(void)
     lastseen = read64s();
 
     print_indentation();
-    printf("Last seen 0x%lx = %ld = ", lastseen, lastseen);
+    printf("Last seen 0x%lx = %ld = ",
+           lastseen, lastseen);
     print_time_t(lastseen);
     puts("");
 
@@ -557,13 +606,16 @@ void decode_host_header_v3(void)
     macaddress[5] = read8u();
 
     print_indentation();
-    printf("MAC address %02x:%02x:%02x:%02x:%02x:%02x\n", macaddress[0], macaddress[1], macaddress[2], macaddress[3], macaddress[4], macaddress[5]);
+    printf("MAC address %02hhx:%02hhx:%02hhx:%02hhx:%02hhx:%02hhx\n",
+           macaddress[0], macaddress[1], macaddress[2],
+           macaddress[3], macaddress[4], macaddress[5]);
   } // else
 
   hostnamelen = read8u();
 
   print_indentation();
-  printf("Hostname length %u\n", hostnamelen);
+  printf("Hostname length %hhu\n",
+         hostnamelen);
 
   for (i = 0; i < hostnamelen; i++) {
     hostname[i] = read8u();
@@ -571,34 +623,43 @@ void decode_host_header_v3(void)
   hostname[i] = '\0';
 
   print_indentation();
-  printf("Hostname %s\n", hostname);
+  printf("Hostname %s\n",
+         hostname);
 
   bytesin = read64u();
 
   print_indentation();
-  printf("Bytes in %lu\n", bytesin);
+  printf("Bytes in %lu\n",
+         bytesin);
 
   bytesout = read64u();
 
   print_indentation();
-  printf("Bytes out %lu\n", bytesout);
+  printf("Bytes out %lu\n",
+         bytesout);
 
   if ( (protosdata = read8u()) != 'P') { // missing protos data
-    fprintf(stderr, "%s:%s:%ld: expecting character P, not %c\n", progname, filename, ftell(file), protosdata);
+    fprintf(stderr,
+            "%s:%s:%ld: expecting character P, not %c\n",
+            progname, filename, ftell(file), protosdata);
     exit(EXIT_FAILURE);
   } // if
 
   decode_protos_data();
 
   if ( (tcpdata = read8u()) != 'T') { // missing tcp data
-    fprintf(stderr, "%s:%s:%ld: expecting character T, not %c\n", progname, filename, ftell(file), tcpdata);
+    fprintf(stderr,
+            "%s:%s:%ld: expecting character T, not %c\n",
+            progname, filename, ftell(file), tcpdata);
     exit(EXIT_FAILURE);
   } // if
 
   decode_tcp_data();
 
   if ( (udpdata = read8u()) != 'U') { // missing udp data
-    fprintf(stderr, "%s:%s:%ld: expecting character U, not %c\n", progname, filename, ftell(file), udpdata);
+    fprintf(stderr,
+            "%s:%s:%ld: expecting character U, not %c\n",
+            progname, filename, ftell(file), udpdata);
     exit(EXIT_FAILURE);
   } // if
 
@@ -616,7 +677,8 @@ void decode_protos_data(void)
   ipprotocount = read8u();
 
   print_indentation();
-  printf("IP Proto count %u\n", ipprotocount);
+  printf("IP Proto count %hhu\n",
+         ipprotocount);
 
   indent();
 
@@ -626,23 +688,27 @@ void decode_protos_data(void)
     uint64_t out;
 
     print_indentation();
-    printf("Protocol #%u of %u:\n", i + 1, ipprotocount);
+    printf("Protocol #%u of %hhu:\n",
+           i + 1, ipprotocount);
 
     proto = read8u();
 
     indent();
     print_indentation();
-    printf("Protocol 0x%02x\n", proto);
+    printf("Protocol 0x%02hhx\n",
+           proto);
 
     in = read64u();
 
     print_indentation();
-    printf("In %lu\n", in);
+    printf("In %lu\n",
+           in);
 
     out = read64u();
 
     print_indentation();
-    printf("Out %lu\n", out);
+    printf("Out %lu\n",
+           out);
 
     exdent();
   } // for
@@ -659,7 +725,8 @@ void decode_tcp_data(void)
   tcpprotocount = read16u();
 
   print_indentation();
-  printf("TCP proto count %u\n", tcpprotocount);
+  printf("TCP proto count %hhu\n",
+         tcpprotocount);
 
   indent();
 
@@ -672,23 +739,27 @@ void decode_tcp_data(void)
     port = read16u();
 
     print_indentation();
-    printf("Port %u:\n", port);
+    printf("Port %hu:\n",
+           port);
 
     syn = read64u();
 
     indent();
     print_indentation();
-    printf("SYN %lu\n", syn);
+    printf("SYN %lu\n",
+           syn);
 
     in = read64u();
 
     print_indentation();
-    printf("In %lu\n", in);
+    printf("In %lu\n",
+           in);
 
     out = read64u();
 
     print_indentation();
-    printf("Out %lu\n", out);
+    printf("Out %lu\n",
+           out);
 
     exdent();
   } // for
@@ -705,7 +776,8 @@ void decode_udp_data(void)
   udpprotocount = read16u();
 
   print_indentation();
-  printf("UDP proto count %u\n", udpprotocount);
+  printf("UDP proto count %hhu\n",
+         udpprotocount);
 
   indent();
 
@@ -717,18 +789,21 @@ void decode_udp_data(void)
     port = read16u();
 
     print_indentation();
-    printf("Port %u:\n", port);
+    printf("Port %hu:\n",
+           port);
 
     in = read64u();
 
     indent();
     print_indentation();
-    printf("In %lu\n", in);
+    printf("In %lu\n",
+           in);
 
     out = read64u();
 
     print_indentation();
-    printf("Out %lu\n", out);
+    printf("Out %lu\n",
+           out);
 
     exdent();
   } // for
@@ -746,7 +821,8 @@ void decode_graph_db_v1(void)
 
   indent();
   print_indentation();
-  printf("Last time 0x%lx = %ld = ", lasttime, lasttime);
+  printf("Last time 0x%lx = %ld = ",
+         lasttime, lasttime);
   print_time_t(lasttime);
   puts("");
 
@@ -757,18 +833,21 @@ void decode_graph_db_v1(void)
     uint32_t j;
 
     print_indentation();
-    printf("Graph #%u of 4:\n", i + 1);
+    printf("Graph #%u of 4:\n",
+           i + 1);
 
     nbars = read8u();
 
     indent();
     print_indentation();
-    printf("Number of bars %u\n", nbars);
+    printf("Number of bars %hhu\n",
+           nbars);
 
     idxlastbar = read8u();
 
     print_indentation();
-    printf("Index of last bar %u\n", idxlastbar);
+    printf("Index of last bar %hhu\n",
+           idxlastbar);
 
     indent();
     for (j = 0; j < idxlastbar; j++) {
@@ -776,18 +855,21 @@ void decode_graph_db_v1(void)
       uint64_t out;
 
       print_indentation();
-      printf("Bar #%u of %u:\n", j + 1, idxlastbar);
+      printf("Bar #%u of %hhu:\n",
+             j + 1, idxlastbar);
 
       in = read64u();
 
       indent();
       print_indentation();
-      printf("In %lu\n", in);
+      printf("In %lu\n",
+             in);
 
       out = read64u();
 
       print_indentation();
-      printf("Out %lu\n", out);
+      printf("Out %lu\n",
+             out);
 
       exdent();
     } // for
@@ -946,12 +1028,17 @@ void handle_file_error(void)
   int saved_errno = errno;
 
   if (feof(file) != 0) {
-    fprintf(stderr, "%s:%s:%ld: premature end-of-file\n", progname, filename, ftell(file));
+    fprintf(stderr,
+            "%s:%s:%ld: premature end-of-file\n",
+            progname, filename, ftell(file));
     exit(EXIT_FAILURE);
   } // if
 
   if (ferror(file) != 0) {
-    fprintf(stderr, "%s:%s:%ld: file error, errno = %s (%d)\n", progname, filename, ftell(file), strerror(saved_errno), saved_errno);
+    fprintf(stderr,
+            "%s:%s:%ld: file error, errno = %s (%d)\n",
+            progname, filename, ftell(file),
+            strerror(saved_errno), saved_errno);
     exit(EXIT_FAILURE);
   } // if
 } // handle_file_error()
@@ -994,7 +1081,10 @@ void print_time_t(time_t t)
   if (strftime(buffer, sizeof(buffer), "%Y-%m-%dT%H:%M:%S%z", stm) == 0) {
     int saved_errno = errno;
 
-    fprintf(stderr, "%s:%s:%ld: strftime() error, errno = %s (%d)\n", progname, filename, ftell(file), strerror(saved_errno), saved_errno);
+    fprintf(stderr,
+            "%s:%s:%ld: strftime() error, errno = %s (%d)\n",
+            progname, filename, ftell(file),
+            strerror(saved_errno), saved_errno);
     exit(EXIT_FAILURE);
   } // if