kolibrios-gitea/drivers/examples/c_drv/c_drv.c
turbocat 3b21d367d3 Driver example:
- Removed printk. 
- c_drv.dll file has become smaller than (6kb-> 407b)

git-svn-id: svn://kolibrios.org@8704 a494cfbc-eb01-0410-851d-a64ba20cac60
2021-04-29 20:47:26 +00:00

21 lines
457 B
C

#include <ddk.h>
#include <syscall.h>
static int __stdcall service_proc(ioctl_t *my_ctl){
int c = 0;
int a = *(int*)(my_ctl->input);
int b = *(int*)(my_ctl->input+4);
if(my_ctl->io_code==0){
c = a + b;
}else{
return -1;
}
*(int*)(my_ctl->output) = c;
return 0;
}
unsigned drvEntry(int action, char *cmdline){
SysMsgBoardStr("Driver c_drv.dll loaded!\n");
return RegService("c_drv", service_proc);
}