void printdatemodified(long long int secs)
{
long long int tempdays=24*60*60,days=0;
secs+=5*60*60+30*60;
int year=1970;
while(secs>tempdays)
{
days++;
if((days%365==0&&year%4)||(days%366==0))
{
year++;
days=0;
}
secs-=24*60*60;
//tempdays+=24*60*60;
}
int monthdays[]= {0,31,28,31,30,31,30,31,31,30,31,30,31};
char *months[]= {"Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec"};
int i;
if(year%4==0)monthdays[2]++;
for(i=1; i<=12; i++)
{
if(days<monthdays[i])
break;
else
days-=monthdays[i];
}
int hours=0,mins=0;
while(secs>60)
{
if(secs>3600)
{
secs-=3600;
hours++;
}
else if(secs>60)
{
secs-=60;
mins++;
}
}
write(1,months[i-1],4);
write(1," ",1);
printinteger(days+1);
write(1," ",1);
if(hours/10==0)
printinteger(0);
printinteger(hours);
write(1,":",1);
if(mins/10==0)
printinteger(0);
printinteger(mins);
write(1," ",1);
//printf("%lld %d %d %d %lld\n",days,hours,mins,i,secs);
}
int main(int argc, char *argv[])
{
int size,tmpdec,i,fd, nread, fp, ntemp, tmpi,colons, uid,tmpflag;
double tmpsize;
long long int giga,mega,kilo;
giga=1024*1024*1024;
mega=1024*1024;
kilo=1024;
char buf[BUF_SIZE];
char user[50];
char buffer[50000],linkval[500];
char line[1000];
struct linux_dirent *d;
int bpos,isalink;
int flag=0,hasfile=0;
char d_type;
int l=0,a=0,h=0;
struct stat fileStat,tmpStat;
char file[100],tmpfile[100];
if(argc==2||argc==3)
{
if(compare(argv[1],"-l")||compare(argv[1],"-a")||compare(argv[1],"-h")||compare(argv[1],"-lah")||compare(argv[1],"-lha")||compare(argv[1],"-ahl")||compare(argv[1],"-alh")||compare(argv[1],"-hla")||compare(argv[1],"-hal")||compare(argv[1],"-la")||compare(argv[1],"-ah")||compare(argv[1],"-hl")||compare(argv[1],"-al")||compare(argv[1],"-ha")||compare(argv[1],"-lh"))
{
flag=1;
if(argc>2)
hasfile=1;
if(contains(argv[1],'l'))
l=1;
if(contains(argv[1],'a'))
{
if(l==0)
flag=0;
if(argc==3)
hasfile=1;
a=1;
}
if(contains(argv[1],'h'))
{
h=1;
if(l==0)
flag=0;
if(argc==3)
hasfile=1;
}
}
else if(argc==2)
hasfile=1;
}
if(argc==3)
{
if(compare(argv[2],"-l")||compare(argv[2],"-a")||compare(argv[2],"-h")||compare(argv[2],"-lah")||compare(argv[2],"-lha")||compare(argv[2],"-ahl")||compare(argv[2],"-alh")||compare(argv[2],"-hla")||compare(argv[2],"-hal")||compare(argv[2],"-la")||compare(argv[2],"-ah")||compare(argv[2],"-hl")||compare(argv[2],"-al")||compare(argv[2],"-ha")||compare(argv[2],"-lh"))
{
flag=2;
hasfile=1;
if(contains(argv[2],'l'))
l=1;
if(contains(argv[2],'a'))
{
a=1;
if(l==0)
flag=0;
}
if(contains(argv[2],'h'))
{
h=1;
if(l==0)
flag=0;
}
}
}
// printf("%d %d %d %d %d %d\n" ,l,a,h,hasfile,flag, argc);
if((!flag&&a&!l)||(!flag&&h&!l)||!a&!l&!h||(!flag&&a&h))
{
if(argc>1)
{
file[0]='\0';
if(!a&&!h)
{
fd = open(argv[1], O_RDONLY | O_DIRECTORY);
concat(file,argv[1]);
//printf("%s",file);
}
else if(a|h)
{
if(hasfile)
{
if(compare(argv[1],"-a")||compare(argv[1],"-h")||compare(argv[1],"-ah")||compare(argv[1],"-ha"))
{
fd = open(argv[2], O_RDONLY | O_DIRECTORY);
concat(file,argv[2]);
}
else if(compare(argv[2],"-a")||compare(argv[2],"-h")||compare(argv[2],"-ah")||compare(argv[2],"-ha"))
{
fd = open(argv[1], O_RDONLY | O_DIRECTORY);
concat(file,argv[1]);
}
//fd = open(".", O_RDONLY | O_DIRECTORY);
}
else
{
fd = open(".", O_RDONLY | O_DIRECTORY);
file[0]='.';
file[1]='\0';
}
}
}
else
{
fd = open(".", O_RDONLY | O_DIRECTORY);
file[0]='.';
file[1]='\0';
}
if (fd == -1)
handle_error("open");
for ( ; ; )
{
nread = syscall(SYS_getdents, fd, buf, BUF_SIZE);
if (nread == -1)
handle_error("getdents");
if (nread == 0)
break;
for (bpos = 0; bpos < nread;) {
isalink=0;
d = (struct linux_dirent *) (buf + bpos);
d_type = *(buf + bpos + d->d_reclen - 1);
if(d->d_name[0]=='.'&&!a)
{
bpos += d->d_reclen;
continue;
}
tmpfile[0]='.';
tmpfile[1]='\0';
assign(tmpfile,file);
concat(tmpfile,"/");
//printf("");
concat(tmpfile,d->d_name);
if(lstat(tmpfile,&fileStat) < 0)
return -1;
if(!a)
{
if(d->d_name[0]!='.')
{
if(S_ISDIR(fileStat.st_mode))
write(1,"\x1b[1;34m",8);
else if(d_type==DT_LNK)
write(1,"\x1b[1;36m",8);
else if(fileStat.st_mode & S_IXUSR)
write(1,"\x1b[1;32m",8);
write(1,d->d_name,len(d->d_name)+1);
if(S_ISDIR(fileStat.st_mode))
write(1,"\x1b[0m",5);
else if(d_type==DT_LNK)
write(1,"\x1b[0m",5);
else if(fileStat.st_mode & S_IXUSR)
write(1,"\x1b[0m",5);
write(1,"\t",2);
}
}
else
{
if(S_ISDIR(fileStat.st_mode))
write(1,"\x1b[1;34m",8);
else if(d_type==DT_LNK)
write(1,"\x1b[1;36m",8);
else if(fileStat.st_mode & S_IXUSR)
write(1,"\x1b[1;32m",8);
write(1,d->d_name,len(d->d_name)+1);
if(S_ISDIR(fileStat.st_mode))
write(1,"\x1b[0m",5);
else if(d_type==DT_LNK)
write(1,"\x1b[0m",5);
else if(fileStat.st_mode & S_IXUSR)
write(1,"\x1b[1;32m",8);
write(1,"\t",2);
// write(1,d->d_name,len(d->d_name)+1);
write(1,"\t",2);
}
bpos += d->d_reclen;
}
}
write(1,"\n",2);
exit(EXIT_SUCCESS);
}
else if(flag==1)
{
if(hasfile)
{
fd = open(argv[2], O_RDONLY | O_DIRECTORY);
file[0]='\0';
concat(file,argv[2]);
}
else
{
fd = open(".", O_RDONLY | O_DIRECTORY);
file[0]='.';
file[1]='\0';
}
if (fd == -1)
handle_error("open");
}
else
{
fd = open(argv[1], O_RDONLY | O_DIRECTORY);
file[0]='\0';
concat(file,argv[1]);
}
if (fd == -1)
handle_error("open");
for ( ; ; )
{
nread = syscall(SYS_getdents, fd, buf, BUF_SIZE);
if (nread == -1)
handle_error("getdents");
if (nread == 0)
break;
//printf("%d",nread);
for (bpos = 0; bpos < nread;)
{
k=0;
isalink=0;
d = (struct linux_dirent *) (buf + bpos);
d_type = *(buf + bpos + d->d_reclen - 1);
if(d->d_name[0]=='.' && !a)
{
bpos += d->d_reclen;
continue;
}
//printf("%s\t",d->d_name);
tmpfile[0]='\0';
assign(tmpfile,file);
concat(tmpfile,"/");
concat(tmpfile,d->d_name);
if(lstat(tmpfile,&fileStat) < 0)
return 1;
if(S_ISDIR(fileStat.st_mode))
write(1,"d",2);
else
{
if(d_type==DT_LNK)
{
isalink=1;
write(1,"l",2);
}
else
write(1,"-",2);
}
// write(1, (S_ISDIR(fileStat.st_mode)) ? "d" : (S_ISLNK(fileStat.st_mode)?"l":"-"), 2);
write(1, (fileStat.st_mode & S_IRUSR) ? "r" : "-", 2);
write(1, (fileStat.st_mode & S_IWUSR) ? "w" : "-", 2);
write(1, (fileStat.st_mode & S_IXUSR) ? "x" : "-", 2);
write(1, (fileStat.st_mode & S_IRGRP) ? "r" : "-", 2);
write(1, (fileStat.st_mode & S_IWGRP) ? "w" : "-", 2);
write(1, (fileStat.st_mode & S_IXGRP) ? "x" : "-", 2);
write(1, (fileStat.st_mode & S_IROTH) ? "r" : "-", 2);
write(1, (fileStat.st_mode & S_IWOTH) ? "w" : "-", 2);
write(1, (fileStat.st_mode & S_IXOTH) ? "x" : "-", 2);
write(1," ",2);
if(!isalink)
printinteger(fileStat.st_nlink);
else
write(1,"1",2);
write(1,"\t",2);
//printinteger(fileStat.st_uid);
//write(1,"\t",2);
{
fp=open("/etc/passwd",O_RDONLY);
tmpi=0;
colons=0;
tmpflag=0;
uid=0;
while(ntemp=read(fp, buffer, 1))
{
if(buffer[0]=='\n')
{
colons=0;
tmpflag=0;
uid=0;
tmpi=0;
line[0]='\0';
continue;
}
line[tmpi++]=buffer[0];
if(buffer[0]==':')
colons++;
if(colons==3&&tmpflag)
{
tmpflag=0;
if(uid==fileStat.st_uid)
break;
}
if(tmpflag)
{
uid=uid*10+buffer[0]-'0';
}
if(colons==2)
tmpflag=1;
}
line[tmpi]='\0';
tmpi=0;
for(i=0; line[i]; i++)
{
if(line[i]==':')
break;
else
user[tmpi++]=line[i];
}
user[tmpi]='\0';
//printinteger(uid);
write(1, user, len(user)+1);
}
write(1,"\t",2);
{
fp=open("/etc/group",O_RDONLY);
tmpi=0;
colons=0;
tmpflag=0;
uid=0;
while(ntemp=read(fp, buffer, 1))
{
if(buffer[0]=='\n')
{
colons=0;
tmpflag=0;
uid=0;
tmpi=0;
line[0]='\0';
continue;
}
line[tmpi++]=buffer[0];
if(buffer[0]==':')
colons++;
if(colons==3&&tmpflag)
{
tmpflag=0;
if(uid==fileStat.st_gid)
break;
}
if(tmpflag)
{
uid=uid*10+buffer[0]-'0';
}
if(colons==2)
tmpflag=1;
}
line[tmpi]='\0';
tmpi=0;
for(i=0; line[i]; i++)
{
if(line[i]==':')
break;
else
user[tmpi++]=line[i];
}
user[tmpi]='\0';
write(1, user, len(user)+1);
}
write(1,"\t",2);
if(h)
{
tmpsize=fileStat.st_size;
size=(int)(tmpsize);
if(size/giga)
{
if(size/giga>1024)
{
printinteger((int)((tmpsize/giga)/1024));
tmpdec=((int)(10*((tmpsize/giga)/1024)))%10;
write(1,".",2);
//printf("*%d*",tmpdec);
printinteger(tmpdec);
write(1, "T", 2);
}
else
{
printinteger((int)(tmpsize/giga));
tmpdec=((int)((10*(tmpsize/giga))))%10;
write(1,".",2);
//printf("*%d*",tmpdec);
printinteger(tmpdec);
write(1, "G", 2);
}
}
else if(size/mega)
{
printinteger((int)(tmpsize/mega));
tmpdec=((int)(10*(tmpsize/mega)))%10;
write(1,".",2);
// printf("*%d*",tmpdec);
printinteger(tmpdec);
write(1, "M", 2);
}
else if(size/kilo)
{
printinteger((int)(tmpsize/kilo));
tmpdec=((int)(10*(tmpsize/kilo)))%10;
write(1,".",2);
//printf("*%d*",tmpdec);
printinteger(tmpdec);
write(1, "K", 2);
}
else
{
printinteger(size);
}
}
else
printinteger(fileStat.st_size);
write(1, "\t", 2);
printdatemodified(fileStat.st_mtime);
if(S_ISDIR(fileStat.st_mode))
write(1,"\x1b[1;34m",8);
else if(isalink)
write(1,"\x1b[1;36m",8);
else if(fileStat.st_mode & S_IXUSR)
write(1,"\x1b[1;32m",8);
write(1,d->d_name,len(d->d_name)+1);
if(S_ISDIR(fileStat.st_mode))
write(1,"\x1b[0m",5);
else if(isalink)
{
write(1,"\x1b[0m",5);
write(1, " -> ",4);
readlink(tmpfile,linkval,500);
write(1,"\x1b[1;34m",8);
write(1,linkval,len(linkval));
write(1,"\x1b[0m",5);
}
else if(fileStat.st_mode & S_IXUSR)
write(1,"\x1b[0m",5);
write(1,"\n",2);
bpos += d->d_reclen;
}
}
exit(EXIT_SUCCESS);
}
int main(void)
{
char data0[11]="LCD TEST";
char txbuff[] = "kamal";
char rxbuffer[10];
signed int val = 0;
uint8_t byte_count = 0;
char id1[10] = "55000E2B86";
char id2[10] = "55000E209B";
/* Initialization start here */
_delay_ms(10);
lcd_init();
usart_init();
_delay_us(10);
printstring(data0);
_delay_ms(2000);
clear();
//home();
//while(1);
locate(1,1);
printstring("Loading System");
for(val=0;val<=100;val++)
{
locate(1,2);
printinteger(val);
printchar('%');
_delay_ms(200);
}
_delay_ms(1000);
clear();
//_delay_ms(2000);;
//clear();
//txbyte('a');
//txstring(txbuff,strlen(txbuff));
locate(1,1);
while(1)
{
//int check = ischarwaiting();
if (ischarwaiting() > 0)
{
rxbuffer[byte_count] = rxbyte();
byte_count++;
//clear();
//printchar(var);
}
if (byte_count > 9) {
*(rxbuffer + byte_count)= '\0';
byte_count = 0;
printstring(rxbuffer);
// string compare
if(strcmp(rxbuffer, id2) == 0){
printstring("match2");
}
if(strcmp(rxbuffer, id1) == 0){
printstring("match1");
}
*rxbuffer = '\0';
//asm ( "jmp 0x0000" );
}
}
return 0;
}
