17 |
this list of conditions and the following disclaimer in the documentation |
this list of conditions and the following disclaimer in the documentation |
18 |
and/or other materials provided with the distribution. |
and/or other materials provided with the distribution. |
19 |
|
|
20 |
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND |
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND |
21 |
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
22 |
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
23 |
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR |
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR |
24 |
ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
25 |
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
26 |
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
27 |
ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
28 |
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
29 |
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
30 |
*/ |
*/ |
31 |
|
|
32 |
|
// Define FOLLOW_SPECIFICATION to 0 (zero) to go with darkstat's own format as of 3.0.718. |
33 |
|
#define FOLLOW_SPECIFICATION 0 |
34 |
|
|
35 |
|
// Define FOLLOW_SPECIFICATION to 1 (one) to go with the format specified in the export-format.txt file. |
36 |
|
//#define FOLLOW_SPECIFICATION 1 |
37 |
|
|
38 |
#include <errno.h> |
#include <errno.h> |
39 |
#include <stdio.h> |
#include <stdio.h> |
40 |
#include <stdlib.h> |
#include <stdlib.h> |
41 |
#include <string.h> |
#include <string.h> |
42 |
#include <time.h> |
#include <time.h> |
43 |
#include <unistd.h> |
#include <unistd.h> |
44 |
|
|
45 |
const char * progname = NULL; |
const char *progname = NULL; |
46 |
const char * filename = NULL; |
const char *filename = NULL; |
47 |
FILE *file = NULL; |
FILE *file = NULL; |
48 |
|
|
49 |
int main(int argc, char **argv) |
int main(int argc, char **argv) |
50 |
{ |
{ |
51 |
void show_usage(int exitcode); |
void show_usage(int exitcode); |
52 |
void show_version(void); |
void show_version(void); |
53 |
void decode_file(void); |
void decode_file(void); |
54 |
|
|
55 |
int i; |
int i; |
56 |
|
|
57 |
progname = argv[0]; |
progname = argv[0]; |
58 |
|
|
59 |
opterr = 0; |
opterr = 0; |
60 |
while ( (i = getopt(argc, argv, "hv")) != -1) { |
while ( (i = getopt(argc, argv, "hv")) != -1) { |
61 |
switch (i) { |
switch (i) { |
158 |
void decode_file(void) |
void decode_file(void) |
159 |
{ |
{ |
160 |
void decode_host_db_v1(void); |
void decode_host_db_v1(void); |
161 |
void decode_graph_db_v1(void); |
void decode_graph_db_v1(void); |
162 |
|
|
163 |
unsigned int fileheader; |
unsigned int fileheader; |
164 |
unsigned int sectionheader; |
unsigned int sectionheader; |
165 |
|
|
166 |
unsigned int i; |
unsigned int i; |
167 |
|
|
168 |
if ( (file = fopen(filename, "rb")) == NULL) { |
if ( (file = fopen(filename, "rb")) == NULL) { |
169 |
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); |
170 |
exit(EXIT_FAILURE); |
exit(EXIT_FAILURE); |
171 |
} // if |
} // if |
172 |
|
|
173 |
if ( (fileheader = read32u()) != 0xDA314159U) { // not darkstat export format |
#define FILE_HEADER_V1 0xDA314159U |
174 |
fprintf(stderr, "%s:%s: file header = 0x%x, not 0x%x\n", progname, filename, fileheader, 0xDA314159U); |
|
175 |
|
if ( (fileheader = read32u()) != FILE_HEADER_V1) { // not darkstat export format |
176 |
|
fprintf(stderr, "%s:%s: file header = 0x%x, not 0x%x\n", progname, filename, fileheader, FILE_HEADER_V1); |
177 |
exit(EXIT_FAILURE); |
exit(EXIT_FAILURE); |
178 |
} // if |
} // if |
179 |
|
|
180 |
printf("File header 0x%x\n", fileheader); |
printf("File header 0x%x\n", fileheader); |
181 |
|
|
182 |
// Possible section header for host_db v1 and later graph_db v1. |
// Possible section header for host_db v1 and later graph_db v1. |
183 |
indent(); |
indent(); |
184 |
|
|
185 |
|
#define HOST_DB_V1 0xDA485301U |
186 |
|
#define GRAPH_DB_V1 0xDA475201U |
187 |
|
|
188 |
for (i = 0; i < 2; i++) { |
for (i = 0; i < 2; i++) { |
189 |
if ( (sectionheader = read32u()) == 0xDA485301U) { |
if ( (sectionheader = read32u()) == HOST_DB_V1) { |
190 |
print_indentation(); |
print_indentation(); |
191 |
printf("Section header 0x%x\n", sectionheader); |
printf("Section header host_db v1 0x%x\n", sectionheader); |
192 |
decode_host_db_v1(); |
decode_host_db_v1(); |
193 |
} // if |
} // if |
194 |
else if (sectionheader == 0xDA475201U) { |
else if (sectionheader == GRAPH_DB_V1) { |
195 |
print_indentation(); |
print_indentation(); |
196 |
printf("Section header 0x%x\n", sectionheader); |
printf("Section header graph_db v1 0x%x\n", sectionheader); |
197 |
decode_graph_db_v1(); |
decode_graph_db_v1(); |
198 |
} // else if |
} // else if |
199 |
else { |
else { |
200 |
fprintf(stderr, "%s:%s: unknown section header = 0x%x, neither 0x%x nor 0x%x\n", progname, filename, sectionheader, 0xDA485301U, 0xDA475201U); |
fprintf(stderr, "%s:%s: unknown section header = 0x%x, neither 0x%x nor 0x%x\n", progname, filename, sectionheader, HOST_DB_V1, GRAPH_DB_V1); |
201 |
exit(EXIT_FAILURE); |
exit(EXIT_FAILURE); |
202 |
} // else |
} // else |
203 |
} // for |
} // for |
204 |
|
|
205 |
exdent(); |
exdent(); |
206 |
} // decode_file() |
} // decode_file() |
207 |
|
|
208 |
void decode_host_db_v1(void) |
void decode_host_db_v1(void) |
209 |
{ |
{ |
210 |
void decode_host_header_v1(void); |
void decode_host_header_v1(void); |
211 |
void decode_host_header_v2(void); |
void decode_host_header_v2(void); |
212 |
void decode_host_header_v3(void); |
void decode_host_header_v3(void); |
213 |
|
|
214 |
unsigned int hostcount; |
unsigned int hostcount; |
215 |
unsigned int i; |
unsigned int i; |
217 |
indent(); |
indent(); |
218 |
|
|
219 |
hostcount = read32u(); |
hostcount = read32u(); |
220 |
|
|
221 |
print_indentation(); |
print_indentation(); |
222 |
printf("Host count %u\n", hostcount); |
printf("Host count %u\n", hostcount); |
223 |
|
|
224 |
for (i = 0; i < hostcount; i++) { |
for (i = 0; i < hostcount; i++) { |
225 |
unsigned int hostheader; |
unsigned int hostheader; |
226 |
|
|
227 |
print_indentation(); |
print_indentation(); |
228 |
printf("Host #%u of %u:\n", i + 1, hostcount); |
printf("Host #%u of %u:\n", i + 1, hostcount); |
229 |
|
|
230 |
indent(); |
indent(); |
231 |
|
|
232 |
if ( (hostheader = read32u()) == 0x48535403U) { // host header v3 |
#define HOST_HEADER_V3 0x48535403U |
233 |
|
#define HOST_HEADER_V2 0x48535402U |
234 |
|
#define HOST_HEADER_V1 0x48535401U |
235 |
|
|
236 |
|
if ( (hostheader = read32u()) == HOST_HEADER_V3) { // host header v3 |
237 |
print_indentation(); |
print_indentation(); |
238 |
printf("Host header v3 0x%x\n", hostheader); |
printf("Host header v3 0x%x\n", hostheader); |
239 |
decode_host_header_v3(); |
decode_host_header_v3(); |
240 |
} // if |
} // if |
241 |
else if (hostheader == 0x48535402U) { // host header v2 |
else if (hostheader == HOST_HEADER_V2) { // host header v2 |
242 |
print_indentation(); |
print_indentation(); |
243 |
printf("Host header v2 0x%x\n", hostheader); |
printf("Host header v2 0x%x\n", hostheader); |
244 |
decode_host_header_v2(); |
decode_host_header_v2(); |
245 |
} // else if |
} // else if |
246 |
else if (hostheader == 0x48535401U) { // host header v1 |
else if (hostheader == HOST_HEADER_V1) { // host header v1 |
247 |
print_indentation(); |
print_indentation(); |
248 |
printf("Host header v1 0x%x\n", hostheader); |
printf("Host header v1 0x%x\n", hostheader); |
249 |
decode_host_header_v1(); |
decode_host_header_v1(); |
250 |
} // else if |
} // else if |
251 |
else { // unknown host header version |
else { // unknown host header version |
252 |
fprintf(stderr, "%s:%s: unknown host header = 0x%x, neither 0x%x nor 0x%x nor 0x%x\n", progname, filename, hostheader, 0x48535403U, 0x48535402U, 0x48535401U); |
fprintf(stderr, "%s:%s: unknown host header = 0x%x, neither 0x%x nor 0x%x nor 0x%x\n", progname, filename, hostheader, HOST_HEADER_V3, HOST_HEADER_V2, HOST_HEADER_V1); |
253 |
exit(EXIT_FAILURE); |
exit(EXIT_FAILURE); |
254 |
} // else |
} // else |
255 |
|
|
256 |
exdent(); |
exdent(); |
257 |
} // for |
} // for |
258 |
|
|
259 |
exdent(); |
exdent(); |
260 |
} // decode_host_db_v1() |
} // decode_host_db_v1() |
261 |
|
|
262 |
void decode_protos_data(void); |
void decode_protos_data(void); |
263 |
void decode_tcp_data(void); |
void decode_tcp_data(void); |
264 |
void decode_udp_data(void); |
void decode_udp_data(void); |
265 |
|
|
266 |
void decode_host_header_v1(void) |
void decode_host_header_v1(void) |
267 |
{ |
{ |
359 |
unsigned char udpdata; |
unsigned char udpdata; |
360 |
|
|
361 |
unsigned char i; |
unsigned char i; |
362 |
|
|
363 |
indent(); |
indent(); |
364 |
|
|
365 |
ipv4address[0] = read8u(); |
ipv4address[0] = read8u(); |
366 |
ipv4address[1] = read8u(); |
ipv4address[1] = read8u(); |
367 |
ipv4address[2] = read8u(); |
ipv4address[2] = read8u(); |
368 |
ipv4address[3] = read8u(); |
ipv4address[3] = read8u(); |
369 |
|
|
370 |
print_indentation(); |
print_indentation(); |
371 |
printf("IPv4 address %d.%d.%d.%d\n", |
printf("IPv4 address %d.%d.%d.%d\n", |
372 |
ipv4address[0], ipv4address[1], ipv4address[2], ipv4address[3]); |
ipv4address[0], ipv4address[1], ipv4address[2], ipv4address[3]); |
373 |
|
|
374 |
|
#if FOLLOW_SPECIFICATION == 1 |
375 |
macaddress[0] = read8u(); |
macaddress[0] = read8u(); |
376 |
macaddress[1] = read8u(); |
macaddress[1] = read8u(); |
377 |
macaddress[2] = read8u(); |
macaddress[2] = read8u(); |
378 |
macaddress[3] = read8u(); |
macaddress[3] = read8u(); |
379 |
macaddress[4] = read8u(); |
macaddress[4] = read8u(); |
380 |
macaddress[5] = read8u(); |
macaddress[5] = read8u(); |
381 |
|
|
382 |
print_indentation(); |
print_indentation(); |
383 |
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 %02x:%02x:%02x:%02x:%02x:%02x\n", macaddress[0], macaddress[1], macaddress[2], macaddress[3], macaddress[4], macaddress[5]); |
384 |
|
|
385 |
lastseen = read64s(); |
lastseen = read64s(); |
386 |
|
|
387 |
print_indentation(); |
print_indentation(); |
388 |
printf("Last seen %ld = ", lastseen); |
printf("Last seen 0x%lx = %ld = ", lastseen, lastseen); |
389 |
print_time_t(lastseen); |
print_time_t(lastseen); |
390 |
puts(""); |
puts(""); |
391 |
|
#else |
392 |
|
lastseen = read64s(); |
393 |
|
|
394 |
|
print_indentation(); |
395 |
|
printf("Last seen 0x%lx = %ld = ", lastseen, lastseen); |
396 |
|
print_time_t(lastseen); |
397 |
|
puts(""); |
398 |
|
|
399 |
|
macaddress[0] = read8u(); |
400 |
|
macaddress[1] = read8u(); |
401 |
|
macaddress[2] = read8u(); |
402 |
|
macaddress[3] = read8u(); |
403 |
|
macaddress[4] = read8u(); |
404 |
|
macaddress[5] = read8u(); |
405 |
|
|
406 |
|
print_indentation(); |
407 |
|
printf("MAC address %02x:%02x:%02x:%02x:%02x:%02x\n", macaddress[0], macaddress[1], macaddress[2], macaddress[3], macaddress[4], macaddress[5]); |
408 |
|
#endif |
409 |
|
|
410 |
hostnamelen = read8u(); |
hostnamelen = read8u(); |
411 |
|
|
412 |
print_indentation(); |
print_indentation(); |
413 |
printf("Hostname length %d\n", hostnamelen); |
printf("Hostname length %d\n", hostnamelen); |
414 |
|
|
415 |
for (i = 0; i < hostnamelen; i++) { |
for (i = 0; i < hostnamelen; i++) { |
416 |
hostname[i] = read8u(); |
hostname[i] = read8u(); |
417 |
} // for |
} // for |
418 |
hostname[i] = '\0'; |
hostname[i] = '\0'; |
419 |
|
|
420 |
print_indentation(); |
print_indentation(); |
421 |
printf("Hostname %s\n", hostname); |
printf("Hostname %s\n", hostname); |
422 |
|
|
423 |
bytesin = read64u(); |
bytesin = read64u(); |
424 |
|
|
519 |
ipv6address[ 7], |
ipv6address[ 7], |
520 |
ipv6address[ 8], |
ipv6address[ 8], |
521 |
ipv6address[ 9], |
ipv6address[ 9], |
522 |
ipv6address[10], |
ipv6address[10], |
523 |
ipv6address[11], |
ipv6address[11], |
524 |
ipv6address[12], |
ipv6address[12], |
525 |
ipv6address[13], |
ipv6address[13], |
526 |
ipv6address[14], |
ipv6address[14], |
527 |
ipv6address[15]); |
ipv6address[15]); |
528 |
} // else if |
} // else if |
529 |
else { // unknown address family |
else { // unknown address family |
530 |
fprintf(stderr, "%s:%s: unknown address family = 0x%x, neither 0x%x nor 0x%x\n", progname, filename, addressfamily, 0x04, 0x06); |
fprintf(stderr, "%s:%s: unknown address family = 0x%x, neither 0x%x nor 0x%x\n", progname, filename, addressfamily, 0x04, 0x06); |
531 |
exit(EXIT_FAILURE); |
exit(EXIT_FAILURE); |
532 |
} // else |
} // else |
533 |
|
|
534 |
|
#if FOLLOW_SPECIFICATION == 1 |
535 |
macaddress[0] = read8u(); |
macaddress[0] = read8u(); |
536 |
macaddress[1] = read8u(); |
macaddress[1] = read8u(); |
537 |
macaddress[2] = read8u(); |
macaddress[2] = read8u(); |
538 |
macaddress[3] = read8u(); |
macaddress[3] = read8u(); |
539 |
macaddress[4] = read8u(); |
macaddress[4] = read8u(); |
540 |
macaddress[5] = read8u(); |
macaddress[5] = read8u(); |
541 |
|
|
542 |
print_indentation(); |
print_indentation(); |
543 |
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 %02x:%02x:%02x:%02x:%02x:%02x\n", macaddress[0], macaddress[1], macaddress[2], macaddress[3], macaddress[4], macaddress[5]); |
544 |
|
|
545 |
lastseen = read64s(); |
lastseen = read64s(); |
546 |
|
|
547 |
print_indentation(); |
print_indentation(); |
548 |
printf("Last seen %ld = ", lastseen); |
printf("Last seen 0x%lx = %ld = ", lastseen, lastseen); |
549 |
print_time_t(lastseen); |
print_time_t(lastseen); |
550 |
puts(""); |
puts(""); |
551 |
|
#else |
552 |
|
lastseen = read64s(); |
553 |
|
|
554 |
|
print_indentation(); |
555 |
|
printf("Last seen 0x%lx = %ld = ", lastseen, lastseen); |
556 |
|
print_time_t(lastseen); |
557 |
|
puts(""); |
558 |
|
|
559 |
|
macaddress[0] = read8u(); |
560 |
|
macaddress[1] = read8u(); |
561 |
|
macaddress[2] = read8u(); |
562 |
|
macaddress[3] = read8u(); |
563 |
|
macaddress[4] = read8u(); |
564 |
|
macaddress[5] = read8u(); |
565 |
|
|
566 |
|
print_indentation(); |
567 |
|
printf("MAC address %02x:%02x:%02x:%02x:%02x:%02x\n", macaddress[0], macaddress[1], macaddress[2], macaddress[3], macaddress[4], macaddress[5]); |
568 |
|
#endif |
569 |
|
|
570 |
hostnamelen = read8u(); |
hostnamelen = read8u(); |
571 |
|
|
572 |
print_indentation(); |
print_indentation(); |
573 |
printf("Hostname length %d\n", hostnamelen); |
printf("Hostname length %d\n", hostnamelen); |
574 |
|
|
575 |
for (i = 0; i < hostnamelen; i++) { |
for (i = 0; i < hostnamelen; i++) { |
576 |
hostname[i] = read8u(); |
hostname[i] = read8u(); |
577 |
} // for |
} // for |
578 |
hostname[i] = '\0'; |
hostname[i] = '\0'; |
579 |
|
|
580 |
print_indentation(); |
print_indentation(); |
581 |
printf("Hostname %s\n", hostname); |
printf("Hostname %s\n", hostname); |
582 |
|
|
583 |
bytesin = read64u(); |
bytesin = read64u(); |
584 |
|
|
627 |
|
|
628 |
indent(); |
indent(); |
629 |
|
|
630 |
for (u = 0; u < ipprotocount; u++) { |
for (u = 0; u < ipprotocount; u++) { |
631 |
unsigned char proto; |
unsigned char proto; |
632 |
unsigned long in; |
unsigned long in; |
633 |
unsigned long out; |
unsigned long out; |
634 |
|
|
635 |
print_indentation(); |
print_indentation(); |
636 |
printf("Protocol #%u of %u:\n", u + 1, ipprotocount); |
printf("Protocol #%u of %u:\n", u + 1, ipprotocount); |
637 |
|
|
638 |
proto = read8u(); |
proto = read8u(); |
639 |
|
|
640 |
indent(); |
indent(); |
641 |
print_indentation(); |
print_indentation(); |
642 |
printf("Protocol 0x%x\n", proto); |
printf("Protocol 0x%02x\n", proto); |
643 |
|
|
644 |
in = read64u(); |
in = read64u(); |
645 |
|
|
646 |
print_indentation(); |
print_indentation(); |
647 |
printf("In %lu\n", in); |
printf("In %lu\n", in); |
648 |
|
|
649 |
out = read64u(); |
out = read64u(); |
650 |
|
|
651 |
print_indentation(); |
print_indentation(); |
652 |
printf("Out %lu\n", out); |
printf("Out %lu\n", out); |
653 |
|
|
654 |
exdent(); |
exdent(); |
655 |
} // for |
} // for |
656 |
|
|
657 |
exdent(); |
exdent(); |
741 |
} // for |
} // for |
742 |
|
|
743 |
exdent(); |
exdent(); |
744 |
} // decode_udp_data() |
} // decode_udp_data() |
745 |
|
|
746 |
void decode_graph_db_v1(void) |
void decode_graph_db_v1(void) |
747 |
{ |
{ |
748 |
signed long lasttime; |
signed long lasttime; |
749 |
|
|
750 |
unsigned int i; |
unsigned int i; |
751 |
|
|
752 |
lasttime = read64s(); |
lasttime = read64s(); |
753 |
|
|
754 |
indent(); |
indent(); |
755 |
print_indentation(); |
print_indentation(); |
756 |
printf("Last time %ld = ", lasttime); |
printf("Last time 0x%lx = %ld = ", lasttime, lasttime); |
757 |
print_time_t(lasttime); |
print_time_t(lasttime); |
758 |
puts(""); |
puts(""); |
759 |
|
|
760 |
for (i = 0; i < 4; i++) { |
for (i = 0; i < 4; i++) { |
761 |
unsigned char nbars; |
unsigned char nbars; |
762 |
unsigned char idxlastbar; |
unsigned char idxlastbar; |
763 |
|
|
764 |
unsigned int j; |
unsigned int j; |
765 |
|
|
766 |
print_indentation(); |
print_indentation(); |
767 |
printf("Graph #%d of 4:\n", i + 1); |
printf("Graph #%d of 4:\n", i + 1); |
768 |
|
|
769 |
nbars = read8u(); |
nbars = read8u(); |
770 |
|
|
771 |
indent(); |
indent(); |
904 |
if ( (r = fread((void *)&v, sizeof(v), 1, file)) != 1) { |
if ( (r = fread((void *)&v, sizeof(v), 1, file)) != 1) { |
905 |
handle_file_error(); |
handle_file_error(); |
906 |
} // if |
} // if |
907 |
|
|
908 |
#ifdef __LITTLE_ENDIAN__ |
#ifdef __LITTLE_ENDIAN__ |
909 |
v = ntohl(v); |
v = ntohl(v); |
910 |
#endif |
#endif |
911 |
|
|
912 |
return v; |
return v; |
913 |
} // read32s() |
} // read32s() |
914 |
|
|
915 |
unsigned long read64u(void) |
unsigned long read64u(void) |
916 |
{ |
{ |
917 |
size_t r; |
size_t r; |
918 |
unsigned long v; |
unsigned long v; |
|
unsigned int *p = (unsigned int *)&v; |
|
919 |
|
|
920 |
|
#ifdef __LITTLE_ENDIAN__ |
921 |
|
unsigned long tmp; |
922 |
|
unsigned int *p1 = (unsigned int *)&v; |
923 |
|
unsigned int *p2 = (unsigned int *)&tmp; |
924 |
|
#endif |
925 |
|
|
926 |
//fprintf(stderr, "%s: sizeof(unsigned long) = %ld\n", progname, sizeof(v)); |
//fprintf(stderr, "%s: sizeof(unsigned long) = %ld\n", progname, sizeof(v)); |
927 |
|
|
928 |
if ( (r = fread((void *)&v, sizeof(v), 1, file)) != 1) { |
if ( (r = fread((void *)&v, sizeof(v), 1, file)) != 1) { |
929 |
handle_file_error(); |
handle_file_error(); |
930 |
} // if |
} // if |
931 |
|
|
932 |
#ifdef __LITTLE_ENDIAN__ |
#ifdef __LITTLE_ENDIAN__ |
933 |
p[0] = ntohl((unsigned int)p[0]); |
p2[1] = ntohl(p1[0]); |
934 |
p[1] = ntohl((unsigned int)p[1]); |
p2[0] = ntohl(p1[1]); |
935 |
|
v = tmp; |
936 |
#endif |
#endif |
937 |
|
|
938 |
return v; |
return v; |
939 |
} // read64u() |
} // read64u() |
940 |
|
|
941 |
signed long read64s(void) |
signed long read64s(void) |
942 |
{ |
{ |
943 |
size_t r; |
size_t r; |
944 |
signed long v; |
signed long v; |
|
signed int *p = (signed int *)&v; |
|
945 |
|
|
946 |
|
#ifdef __LITTLE_ENDIAN__ |
947 |
|
signed long tmp; |
948 |
|
signed int *p1 = (signed int *)&v; |
949 |
|
signed int *p2 = (signed int *)&tmp; |
950 |
|
#endif |
951 |
|
|
952 |
//fprintf(stderr, "%s: sizeof(signed long) = %ld\n", progname, sizeof(v)); |
//fprintf(stderr, "%s: sizeof(signed long) = %ld\n", progname, sizeof(v)); |
953 |
|
|
954 |
if ( (r = fread((void *)&v, sizeof(v), 1, file)) != 1) { |
if ( (r = fread((void *)&v, sizeof(v), 1, file)) != 1) { |
955 |
handle_file_error(); |
handle_file_error(); |
956 |
} // if |
} // if |
957 |
|
|
958 |
#ifdef __LITTLE_ENDIAN__ |
#ifdef __LITTLE_ENDIAN__ |
959 |
p[0] = ntohl((signed int)p[0]); |
p2[1] = ntohl(p1[0]); |
960 |
p[1] = ntohl((signed int)p[1]); |
p2[0] = ntohl(p1[1]); |
961 |
|
v = tmp; |
962 |
#endif |
#endif |
963 |
|
|
964 |
return v; |
return v; |
965 |
} // read64s() |
} // read64s() |
966 |
|
|
967 |
void handle_file_error(void) |
void handle_file_error(void) |
968 |
{ |
{ |
969 |
if (feof(file) != 0) { |
if (feof(file) != 0) { |
970 |
fprintf(stderr, "%s:%s: premature end-of-file\n", progname, filename); |
fprintf(stderr, "%s:%s: premature end-of-file\n", progname, filename); |
971 |
exit(EXIT_FAILURE); |
exit(EXIT_FAILURE); |
972 |
} // if |
} // if |
973 |
|
|
974 |
if (ferror(file) != 0) { |
if (ferror(file) != 0) { |
975 |
fprintf(stderr, "%s:%s: file error, errno = %s (%d)\n", progname, filename, strerror(errno), errno); |
fprintf(stderr, "%s:%s: file error, errno = %s (%d)\n", progname, filename, strerror(errno), errno); |
976 |
exit(EXIT_FAILURE); |
exit(EXIT_FAILURE); |