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vboxmonitor: code format

This commit is contained in:
David Anderson 2014-11-07 14:15:20 -08:00
parent 2b2b04188a
commit 444dc38a38
1 changed files with 8 additions and 11 deletions
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17
samples/vboxmonitor/vboxmonitor.cpp
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@ -19,16 +19,13 @@
// see: http://boinc.berkeley.edu/trac/wiki/VboxApps // see: http://boinc.berkeley.edu/trac/wiki/VboxApps
// Options: // Options:
// //
//
// Duplicate everything sent to stdin to the console and the VM Guest Log. // Duplicate everything sent to stdin to the console and the VM Guest Log.
// //
// You can see the VM Guest Log on the host machine by executing: // You can see the VM Guest Log on the host machine by executing:
// vboxmanage showvminfo <vm_name> --log 0 // vboxmanage showvminfo <vm_name> --log 0
// //
// As a matter of course, vboxwrapper dumps the last 16k of the guest log to // vboxwrapper dumps the last 16k of the guest log to the stderr log
// the stderr log which is uploaded to the project server in case of an error. // which is uploaded to the project server.
//
//
#include <stdio.h> #include <stdio.h>
#include <sys/io.h> #include <sys/io.h>
@ -36,8 +33,7 @@
#include <iostream> #include <iostream>
#include <string> #include <string>
void guestlog(int c) void guestlog(int c) {
{
asm volatile ("out %%al,%%dx\n" : : "a"(c), "d"(0x504)); asm volatile ("out %%al,%%dx\n" : : "a"(c), "d"(0x504));
} }
@ -45,6 +41,7 @@ int main() {
std::string buffer; std::string buffer;
// root access required // root access required
//
if (iopl(3)) { if (iopl(3)) {
if (EPERM == errno) { if (EPERM == errno) {
printf("vboxmonitor: this application requires root permissions.\n"); printf("vboxmonitor: this application requires root permissions.\n");
@ -54,8 +51,8 @@ int main() {
} }
while (getline(std::cin, buffer)) { while (getline(std::cin, buffer)) {
// Write output to stdout as well as VirtualBox's Guest VM Log // Write output to stdout as well as VirtualBox's Guest VM Log
//
for (size_t i = 0; i < buffer.size(); ++i) { for (size_t i = 0; i < buffer.size(); ++i) {
// Virtualbox // Virtualbox
guestlog((int)buffer[i]); guestlog((int)buffer[i]);
@ -64,12 +61,12 @@ int main() {
putc((int)buffer[i], stdout); putc((int)buffer[i], stdout);
} }
// Force newlines so that the text looks good on the console and causes // Write newlines so that the text looks good on the console and causes
// the guest additions to actually log the data // the guest additions to actually log the data
//
guestlog('\n'); guestlog('\n');
putc('\n', stdout); putc('\n', stdout);
} }
return 0; return 0;
} }