osdev/shell.c at master · cstack/osdev · GitHub

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#include"stdlib/filesystem.h"
#include"stdlib/stdio.h"
#include"stdlib/string.h"
#include"stdlib/syscalls.h"

voidprint_prompt() {
printf("> ");
}

voidhandle_ls(char*input) {
boolflag_long= false;
char*flag=input+2;
while (*flag==' ') {
flag++;
 }
if (*flag!=0) {
if (strncmp(flag, "-l", 2) ==0) {
flag_long= true;
 } else {
printf("Unrecognized flag `%s`\n", flag);
return;
 }
 }
structfile_tfiles[10];
uint32_tnum_files=count_files();
list_files(files);
for (uint32_ti=0; i<num_files; i++) {
if (flag_long) {
printf("%s (%d bytes)\n", files[i].name, files[i].size);
 } else {
printf("%s\n", files[i].name);
 }
 }
}

voidhandle_input(char*input) {
if (strncmp(input, "ls", 2) ==0) {
handle_ls(input);
 } else {
printf("Unknown command `%s`\n", input);
 }
printf("> ");
}

intmain() {
print_prompt();
register_input_handler(handle_input);
while(1){}

return0;
}