[ipaccess] The next byte appears to be size...

Using okteta to display the size in bigendian and
then selecting from the start to the " SDP" I get
the same number...
This commit is contained in:
Holger Hans Peter Freyther 2009-12-23 13:09:27 +01:00
parent e0d2ff4c2e
commit bf2bdc6e84
1 changed files with 12 additions and 0 deletions

View File

@ -19,6 +19,7 @@
*
*/
#include <arpa/inet.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
@ -36,6 +37,7 @@ static void analyze_file(int fd)
{
char buf[4096];
int rc;
unsigned int absolute_size;
rc = read(fd, buf, 4);
if (rc <= 0) {
@ -59,7 +61,17 @@ static void analyze_file(int fd)
return;
}
rc = read(fd, buf, 4);
if (rc <= 0) {
fprintf(stderr, "Trying to read the header length failed.\n");
return;
}
memcpy(&absolute_size, &buf[0], 4);
absolute_size = ntohl(absolute_size);
printf("Printing header information:\n");
printf("The header is %u bytes long\n", absolute_size);
}
int main(int argc, char** argv)