1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
|
#include <string.h>
#include <malloc.h>
#include <user_region.h>
#include <debug.h>
#include <stdio.h>
#include <unistd.h>
#include <syscall.h>
void ls(char* dir) {
fd_t f = open(dir, FM_READDIR);
if (f) {
dirent_t i;
int ent_no = 0;
while (readdir(f, ent_no++, &i)) {
if (i.st.type & FT_DIR)
printf("%s/\n", i.name);
else
printf("%s\n", i.name);
}
close(f);
} else {
printf("Could not open directory '%s'\n", dir);
}
}
void cat(char* file) {
fd_t f = open(file, FM_READ);
if (f) {
char buf[129];
size_t p = 0;
while (true) {
size_t r = read(f, p, 128, buf);
p += r;
buf[r] = 0;
puts(buf);
if (r < 128) break;
}
close(f);
} else {
printf("Could not open file '%s'\n", file);
}
}
int main(int argc, char **argv) {
dbg_printf("[shell] Starting\n");
fctl(1, FC_SET_BLOCKING, 0);
puts("Kogata shell.\n");
chdir("sys:");
while(true) {
char buf[256];
printf("\n%s> ", getcwd(buf, 256));
getline(buf, 256);
if (!strncmp(buf, "cd ", 3)) {
chdir(buf + 3);
} else if (!strcmp(buf, "ls")) {
if (getcwd(buf, 256)) {
ls(buf);
}
} else if (!strncmp(buf, "ls ", 3)) {
char buf2[256];
if (getcwd(buf2, 256)) {
if (pathncat(buf2, buf + 3, 256)) {
ls(buf2);
}
}
} else if (!strncmp(buf, "cat ", 4)) {
char buf2[256];
if (getcwd(buf2, 256)) {
if (pathncat(buf2, buf+4, 256)) {
cat(buf2);
}
}
} else if (!strcmp(buf, "exit")) {
break;
} else {
printf("No such command.\n");
}
}
printf("Bye.\n");
return 0;
}
/* vim: set ts=4 sw=4 tw=0 noet :*/
|
