int main(int agrc,char const *agrv[])
{
// char s[80]={};
char s1[]="Hello ";
// printf("%d",strlen(s1));
const char *s2="World";
mycat(s1,s2);
// cat(s,s2);
printf("%s",s1);
printf(" %d",strlen(s1));
printf(" %d",sizeof(s1));
}
main(int argc, char *argv[ ])
{
//*Lab 5 CODE
char *tok;
char cmdArgs[2][MAX] = {'\0'};
char cwd[128];
int cmdCount = 0;
//LAB 5 CODE*
char temp[MAX];
int n;
char line[MAX], ans[MAX];
//*Lab 5 CODE
getcwd(cwd, 128); // get CWD pathname
// Lab 5 CODE*
printf("cwd: %s\n", cwd);
if (argc < 3){
printf("Usage : client ServerName ServerPort\n");
exit(1);
}
client_init(argv);
// sock <---> server
printf("******** processing loop *********\n");
while (1){
//printf("input two numbers to add : ");
//bzero(line, MAX); // zero out line[ ]
// *LAB 5 CODE
cmdCount = 0;
strcpy(cmdArgs[0],"");
strcpy(cmdArgs[1],"");
printf("Input a command: ");
// LAB 5 CODE*
fgets(line, MAX, stdin); // get a line (end with \n) from stdin
//printf("line: %s\n", line);
line[strlen(line)-1] = 0; // kill \n at end
//printf("line[0]: %c\n", line[0]);
//if(line[0]==0) // exit if NULL line
//{exit(0);}
// *Lab 5 CODE
strcpy(temp, line);
//printf("temp: %s\n", temp);
tok = strtok(line, " ");
cmdCount++;
//printf("temp: %s\n", temp);
//printf("cmdArgs[0] = %s\n", cmdArgs[0]);
//printf("cmdCount: %d\n", cmdCount);
while(tok != NULL)
{
strcpy(cmdArgs[cmdCount-1], tok);
tok = strtok(NULL, " ");
cmdCount++;
//printf("cmdCount: %d\n", cmdCount);
}
//printf("cmdCount: %d\n", cmdCount);
//printf("line: %s\n", line);
//printf("cmdArgs[0] = %s\n", cmdArgs[0]);
if(strcmp(cmdArgs[0], "lcat") == 0)
{
if(strcmp(cmdArgs[1],"") != 0) {mycat(cmdArgs[1]);}
else {printf("ERROR: pathname not given");}
}
else if (strcmp(cmdArgs[0], "lpwd") == 0)
{
mypwd(cwd);
}
else if (strcmp(cmdArgs[0], "lls") == 0)
{
printf("args: %s\n", cmdArgs[1]);
if(strcmp(cmdArgs[1],"") != 0) {myls(cmdArgs[1]);}
else
{
printf("cwd: %s\n", cwd);
myls(cwd);
}
}
else if (strcmp(cmdArgs[0], "lcd") == 0)
{
if(strcmp(cmdArgs[1],"") != 0) {mycd(cmdArgs[1]);}
else {mycd(cwd);}
}
else if (strcmp(cmdArgs[0], "lmkdir") == 0)
{
if(strcmp(cmdArgs[1],"") != 0) {mymkdir(cmdArgs[1]);}
else {printf("ERROR: pathname not given");}
}
else if (strcmp(cmdArgs[0], "lrmdir") == 0)
{
if(strcmp(cmdArgs[1],"") != 0) {myrmdir(cmdArgs[1]);}
else {printf("ERROR: pathname not given");}
}
else if (strcmp(cmdArgs[0], "lrm") == 0)
{
if(strcmp(cmdArgs[1],"") != 0) {myrm(cmdArgs[1]);}
else {printf("ERROR: pathname not given");}
}
else if (strcmp(cmdArgs[0], "get") == 0)
{
if(strcmp(cmdArgs[1],"") != 0) {mycp(cmdArgs[1], cwd);}
else {printf("ERROR: pathname not given");}
}
else if (strcmp(cmdArgs[0], "quit") == 0)
{
printf("Goodbye!\n");
return 0;
}
else // Not a local command, work with the sever
{
// Send command to server
n = write(server_sock, temp, MAX);
printf("client: wrote n=%d bytes; line=(%s)\n", n, temp);
// Send command pathname
//n = write(server_sock, cmdArgs[0], MAX);
//printf("client: wrote n=%d bytes; line=(%s)\n", n, line);
// Now read the Reply and Results in from the Server...
//REPLY
//n = read(server_sock, ans, MAX);
//printf("client: read n=%d bytes; echo=(%s)\n",n, ans);
//RESULTS
//n = read(server_sock, ans, MAX);
//printf("client: read n=%d bytes; echo=(%s)\n",n, ans);
readData(ans);
}
// Lab 5 CODE*
//
// Send ENTIRE line to server
//n = write(server_sock, line, MAX);
//printf("client: wrote n=%d bytes; line=(%s)\n", n, line);
// Read a line from sock and show it
//n = read(server_sock, ans, MAX);
//printf("client: read n=%d bytes; echo=(%s)\n",n, ans);
}
}
int main() {
char a[128] = "These";
char b[128] = "are";
char c[128] = "the";
char d[128] = "test";
char e[128] = "cases";
char f[128] = "car";
char g[128] = "aren";
char h[128] = "abcdefghijklmnopqrstuvwxyzzzzzzzzzzzz";
char i[128] = "cases";
char j[128] = "casesss";
char k[128] = "arent";
char l[128] = "longwords";
char m[128] = "neededlongwords";
char n[128] = "lastlongwordormaybenot";
char s[128];
char t[128];
char u[128];
char v[128];
char w[128];
char x[128];
char y[128];
char z[128];
printf("---mylen Testing---\n");
printf("Test One:\n These - - - Length: 5\n Run: %d\n", mylen(a));
printf("Test Two:\n are - - - Length: 3\n Run: %d\n", mylen(b));
printf("Test Three:\n abcdefghijklmnopqrstuvwxyz - - - Length: 26\n Run: %d\n", mylen(h));
printf("\n");
printf("---mycmp Testing---\n");
printf("Test One:\n Word 1: cases - Word 2: car\n Run: %d\n", mycmp(e, f));
printf("Test Two:\n Word 1: cases - Word 2: cases\n Run: %d\n", mycmp(e, i));
printf("Test Three:\n Word 1: are - Word 2: the\n Run: %d\n", mycmp(b, c));
printf("Test Four:\n Word 1: casesss - Word 2: cases\n Run: %d\n", mycmp(j, e));
printf("Test Five:\n Word 1: aren - Word 2: arent\n Run: %d\n", mycmp(g, k));
printf("\n");
printf("---mycpy Testing---\n");
printf("Before Copying:\n");
printf(" x: %s\n y: %s\n z: %s\n", x, y, z);
printf("Copying:\n %s --> x\n %s --> y\n %s --> z\n", h, i, j);
mycpy(x, h);
mycpy(y, i);
mycpy(z, j);
printf("After Copying:\n");
printf(" x: %s\n y: %s\n z: %s\n", x, y, z);
printf("\n");
printf("---mycpyn Testing---\n");
printf("Before Copying:\n");
printf(" s: %s\n t: %s\n u: %s\n", s, t, u);
printf("Copying:\n %s - 6 --> s\n %s - 7 --> t\n %s - 10 --> u\n", l, m, n);
mycpyn(s, l, 6);
mycpyn(t, m, 7);
mycpyn(u, n, 10);
printf("After Copying:\n");
printf(" s: %s\n t: %s\n u: %s\n", s, t, u);
printf("\n");
printf("---mycat Testing---\n");
printf("Before Catting:\n");
printf(" s: %s\n m: %s\n h: %s\n", s, m, h);
printf("Catting:\n %s --> s\n %s --> m\n %s --> h\n", h, c, d);
mycat(s, h);
mycat(m, c);
mycat(h, d);
printf("After Catting:\n");
printf(" s: %s\n m: %s\n h: %s\n", s, m, h);
printf("\n");
printf("---mycatn Testing---\n");
printf("Before Catting:\n");
printf(" s: %s\n m: %s\n h: %s\n", s, m, h);
printf("Catting:\n %s - 8 --> s\n %s - 3 --> m\n %s - 2 --> h\n", h, c, d);
mycatn(s, h, 8);
mycatn(m, c, 3);
mycatn(h, d, 2);
printf("After Catting:\n");
printf(" s: %s\n m: %s\n h: %s\n", s, m, h);
printf("\n");
printf("---mychr Testing---\n");
printf("Test One:\n Searching in: %s\n Searching for: %c\n", e, 'e');
printf(" Pointer: %p - Points at: %c\n", mychr(e,'e'), *mychr(e,'e'));
printf("Test Two:\n Searching in: %s\n Searching for: %c\n", h, 't');
printf(" Pointer: %p - Points at: %c\n", mychr(h,'t'), *mychr(h,'t'));
printf("\n");
printf("---mystr Testing---\n");
printf("Test One:\n Searching in: %s\n Searching for: %s\n", n, "long");
printf(" Pointer: %p - Points at: %s\n", mystr(n,"long"), *mystr(n,"long"));
return 0;
}
int callInternal(command* C, char* homeDir)
{
if (C->argc == 0)
return 0;
else if (strcmp(C->argv[0],"exit") == 0)
return 1;
else if (strcmp(C->argv[0],"mycat") == 0)
{
if (C->argc == 2)
mycat(C->argv[1]);
else if (C->argc == 1)
printf("Argument missing\n");
else if (C->argc > 2)
printf("Incorrect usage of mycat\n");
}
else if (strcmp(C->argv[0],"mycp") == 0)
{
if (C->argc == 3)
mycp(C->argv[1],C->argv[2]);
else if (C->argc == 2)
printf("Destination needed\n");
else if (C->argc == 1)
printf("Source & destination needed\n");
else
printf("Incorrect usage of mycp\n");
}
else if (strcmp(C->argv[0],"mypwd") == 0)
{
if (C->argc > 1)
printf("Incorrect usage of mypwd\n");
else
{
char* pwd = mypwd();
printf("%s\n",pwd);
free(pwd);
}
}
else if (strcmp(C->argv[0],"mymkdir") == 0)
{
if (C->argc < 2)
printf("missing argument\n");
else if (C->argc > 2)
printf("Incorrect usage of mymkdir\n");
else
mymkdir(C->argv[1]);
}
else if (strcmp(C->argv[0],"myrmdir") == 0)
{
if (C->argc < 2)
printf("missing argument\n");
else if (C->argc > 2)
printf("Incorrect usage of mymkdir\n");
else
myrmdir(C->argv[1]);
}
else if (strcmp(C->argv[0],"mycd") == 0)
{
if (C->argc >2)
printf("Incorrect usage of mycd\n");
else if (C->argc == 2)
mycd(C->argv[1]);
else
mycd(homeDir);
}
else if (strcmp(C->argv[0],"myls") == 0)
{
if (C->argc == 1)
myls(NULL,0);
else if (C->argc == 2)
if (strcmp(C->argv[1],"-l") == 0)
myls(NULL,1);
else
myls(C->argv[1],0);
else if (C->argc == 3)
if (strcmp(C->argv[1],"-l") == 0)
myls(C->argv[2],1);
else
printf("Incorrect usage of myls\n");
else
printf("Incorrect usage of myls\n");
}
else if (strcmp(C->argv[0],"myrm") == 0)
{
if (C->argc == 2)
myrm(C->argv[1]);
else if (C->argc == 1)
printf("missing argument\n");
else
printf("Incorrect usage of myrm\n");
}
else
printf("command not found: %s\n",C->argv[0]);
return 0;
}
int main(int argc, char* argv[])
{
char tmp[1000];
int fd, nread,i;
char buf[BUF_SIZE];
struct linux_dirent *d;
int bpos;
char d_type;
int argLen=0;
char* args[1024];
localtime();
for(i=1;i<argc;i++)
if(argv[i][0]=='-')
{
int k=1;
while(argv[i][k])
{
if(argv[i][k]=='a')
fa=1;
else if(argv[i][k]=='l')
fl=1;
else if(argv[i][k]=='h')
fh=1;
k++;
}
}
else
args[argLen++]=argv[i];
if(argLen==0)
args[argLen++]=".";
for(i=0;i<argLen;i++)
{
write(1,args[i],getLen(args[i]));
write(1,": \n",3);
fd = open(args[i], O_RDONLY | O_DIRECTORY);
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;) {
struct stat sb;
d = (struct linux_dirent *) (buf + bpos);
d_type = *(buf + bpos + d->d_reclen - 1);
char jj[10000],slash[2];
slash[0]='/';
slash[1]='\0';
jj[0]='\0';
mycat(jj,args[i]); if(jj[getLen(jj)-1]!='/') mycat(jj,slash); mycat(jj,d->d_name);
if(!fa && !fl)
{
if(d->d_name[0]!='.')
{
lstat(jj,&sb);
color = d_type == DT_LNK ? 3 : d_type == DT_DIR ? 2 : sb.st_mode & S_IXUSR ? 1 : 0;
pc(color);
write(1,("%s",d->d_name),getLen(d->d_name));
pc(0);
write(1,"\n",1);
}
}
else if(fa && !fl)
{
lstat(jj,&sb);
color = d_type == DT_LNK ? 3 : d_type == DT_DIR ? 2 : sb.st_mode & S_IXUSR ? 1 : 0;
pc(color);
write(1,("%s",d->d_name),getLen(d->d_name));
pc(0);
write(1,"\n",1);
}
else if(fa || fl)
{
if(!fa && d->d_name[0]=='.')
{
bpos += d->d_reclen;
continue;
}
lstat(jj,&sb);
if(DT_LNK == d_type) write(1,"l",1);
else if(DT_DIR == d_type) write(1,"d",1);
else if(DT_BLK == d_type) write(1,"b",1);
else if(DT_SOCK == d_type) write(1,"s",1);
else if(DT_CHR == d_type) write(1,"?",1);
else write(1,"-",1);
write( 1,("%s",(sb.st_mode & S_IRUSR) ? "r" : "-") ,1);
write( 1,("%s",(sb.st_mode & S_IWUSR) ? "w" : "-") ,1);
write( 1,("%s",(sb.st_mode & S_IXUSR) ? "x" : "-") ,1);
write( 1,("%s",(sb.st_mode & S_IRGRP) ? "r" : "-") ,1);
write( 1,("%s",(sb.st_mode & S_IWGRP) ? "w" : "-") ,1);
write( 1,("%s",(sb.st_mode & S_IXGRP) ? "x" : "-") ,1);
write( 1,("%s",(sb.st_mode & S_IROTH) ? "r" : "-") ,1);
write( 1,("%s",(sb.st_mode & S_IWOTH) ? "w" : "-") ,1);
write( 1,("%s",(sb.st_mode & S_IXOTH) ? "x" : "-") ,1);
itos(sb.st_nlink,tmp);
print(tmp,0);
getId(sb.st_uid, 0);
print(rStr,10);
getId(sb.st_gid, 1);
print(rStr,10);
if(fh)
{
int cnt=0;
char kk[1000];
kk[0]='\0';
long long int t = sb.st_size,p=0;
while(t/1024)
{
p=t%1024;
t/=1024;
cnt++;
}
itos(t,tmp);
mycat(kk,tmp);
tmp[0]='.';
tmp[1]='\0';
mycat(kk,tmp);
itos(p,tmp);
tmp[2]='\0';
mycat(kk,tmp);
if(cnt==1)
{
tmp[0]='K';
tmp[1]='\0';
mycat(kk,tmp);
}
else if(cnt==2)
{
tmp[0]='M';
tmp[1]='b';
tmp[2]='\0';
mycat(kk,tmp);
}
else if(cnt>=3)
{
tmp[0]='G';
tmp[1]='b';
tmp[2]='\0';
mycat(kk,tmp);
}
print(kk,11);
}
else
{
itos(sb.st_size,tmp);
print(tmp,8);
}
convert(sb.st_mtime);
print(mon[mnth],0);
itos(day,tmp);
print(tmp,0);
itos(hh,tmp);
print(tmp,2);
write(1,":",1);
itos(min,tmp);
print(tmp,3);
color = d_type == DT_LNK ? 3 : d_type == DT_DIR ? 2 : sb.st_mode & S_IXUSR ? 1 : 0;
pc(color);
print(d->d_name,0);
pc(0);
if(d_type == DT_LNK)
{
char slink[1000];
readlink(jj,slink,sb.st_size+1);
write(1," ->",3);
print(slink,0);
}
write(1,"\n",1);
day=1; y=1970; mnth=1;yy=0;mm=0;dd=0;color=0;
}
bpos += d->d_reclen;
}
}
}
return 0;
}
int main(int argc, char** argv)
{
int count=0, i=0, cmp, j, valid=0;
char key[MAX];
//run the shell till user inputs 'quit' or Ctrl-C
while(strcmp(cmdline, "quit") != 0)
{
count = 0;
//our shell's prompt
printf("afreen@myShell $ ");
//get command line input
gets(cmdline);
//tokenize the CL input delimited by " " using strtok() into args
args[count++] = strtok(cmdline, " ");
//tokenize the entire string till the next token encountered
//does not have a NULL pointer
while((args[count++] = strtok(NULL, " ")));
count--; //no of arguments (argc)
//if user wants to clear screen
if(strcmp(args[0], "clear") == 0)
{
myclear();
}
//checking for the input command
strcpy(key, args[0]);
for(i=0; i<18; i++) //look through our check array for command
{
if(strcmp(check[i], key) == 0)
{
valid = -1;
switch(i)
{
case 0: mycat(count, args);
break;
case 1: mycd(count, args);
break;
case 2: mycp(count, args);
break;
case 3: mydate(count, args);
break;
case 4: myhead(count, args);
break;
case 5: myls(count, args);
break;
case 6: myll(count, args);
break;
case 7: myln(count, args);
break;
case 8: myld(count, args);
break;
case 9: mymkdir(count, args);
break;
case 10: mymv(count, args);
break;
case 11: mypwd(count, args);
break;
case 12: myrm(count, args);
break;
case 13: myrmdir(count, args);
break;
case 14: mytail(count, args);
break;
case 15: mytime(count, args);
break;
case 16: mytouch(count, args);
break;
case 17: myuname(count, args);
break;
default: printf("%s: Command not found\n", key);
break;
}
break;
}
}
}
return 0;
}