void btos_open_std_streams(){
if(std_streams_open) return;
char buffer[BT_MAX_PATH];
size_t s=bt_getenv("STDIN", buffer, BT_MAX_PATH);
if(s){
bt_handle input=bt_fopen(buffer, FS_Read);
btos_set_specific_filenum(0, input, buffer);
}else{
btos_set_specific_filenum_virt(0, &null_virt_handle);
}
memset(buffer, 0, BT_MAX_PATH);
s=bt_getenv("STDOUT", buffer, BT_MAX_PATH);
if(s){
bt_handle output=bt_fopen(buffer, FS_Write | FS_AtEnd);
btos_set_specific_filenum(1, output, buffer);
}else{
btos_set_specific_filenum_virt(1, &null_virt_handle);
}
memset(buffer, 0, BT_MAX_PATH);
s=bt_getenv("STDERR", buffer, BT_MAX_PATH);
if(s){
bt_handle output=bt_fopen(buffer, FS_Write | FS_AtEnd);
btos_set_specific_filenum(2, output, buffer);
}else{
btos_set_specific_filenum_virt(2, &null_virt_handle);
}
std_streams_open = true;
}
void get_string(char *buffer, size_t bytes){
if(!bt_stdin){
if(!bt_getenv("INPUT_DEVICE", &bt_stdin_device[5], 250)) return;
bt_stdin=bt_fopen(bt_stdin_device, FS_Read);
}
size_t pos=bt_fseek(bt_stdout, 0, true);
size_t i=0;
char x[2]={'a', '\0'};
uint32_t c;
while(true){
bt_fread(bt_stdin, sizeof(c), (char*)&c);
x[0]=KB_char(c);
if(x[0]==0x08){
if(i>0) buffer[--i]=0;
}else if(x[0]) buffer[i++]=x[0];
if(x[0]=='\n' || i==bytes){
print_string("\n");
return;
}
bt_fseek(bt_stdout, pos, false);
print_string(buffer);
size_t newpos=bt_fseek(bt_stdout, 0, true);
print_string(" ");
bt_fseek(bt_stdout, newpos, false);
}
}
void print_string(const char *s){
if(!bt_stdout){
if(!bt_getenv("DISPLAY_DEVICE", &bt_stdout_device[5], 250)) return;
bt_stdout=bt_fopen(bt_stdout_device, FS_Write);
}
bt_fwrite(bt_stdout, strlen(s), s);
}
void file_contents(){
print_string("Contents of \"INIT:/config.ini\":\n");
bt_filehandle file=bt_fopen("INIT:/config.ini", FS_Read);
char c[32]={0};
while(bt_fread(file, 31, c)){
print_string(c);
memset(c, 0, 32);
}
bt_fclose(file);
}
void ata_test(){
char buf[513]={0};
bt_filehandle ata=bt_fopen("DEV:/ATA0P0", FS_Read);
bt_fread(ata, 512, buf);
print_string("The contents of the first sector of the ATA0P0 device is:\n");
print_string(buf);
print_string("\n");
bt_fread(ata, 512, buf);
print_string("The contents of the second sector of the ATA0P0 device is:\n");
print_string(buf);
bt_fclose(ata);
print_string("\n");
}
void file_contents2(char *input){
input[strlen(input)-1]=0;
print_string("Contents of \"");
print_string(&input[2]);
print_string("\":\n");
bt_filehandle file=bt_fopen(&input[2], FS_Read);
if(!file) return;
char c[32]={0};
while(bt_fread(file, 31, c)){
print_string(c);
memset(c, 0, 32);
}
bt_fclose(file);
}
