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Implement read_dir_entry () VFS op, CE add ls command

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This commit is contained in:
Kamil Kowalczyk
2026-02-25 16:25:43 +01:00
parent 704db2dfa4
commit 29bbcea435
12 changed files with 189 additions and 23 deletions
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49
ce/ce.c
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@@ -108,13 +108,54 @@ static void cmd_cat (struct list_node_link* tokens) {
}
}
static void cmd_ls (struct list_node_link* tokens) {
if (tokens == NULL) {
printf ("ERROR no directory path provided\n");
return;
}
struct token* token = list_entry (tokens, struct token, tokens_link);
struct desc desc;
char volume[VOLUME_MAX];
const char* path;
int ret;
struct dir_entry entry;
if (!path_parse (token->buffer, volume, &path)) {
printf ("ERROR bad path '%s'\n", token->buffer);
return;
}
if ((ret = volume_open (volume)) < 0) {
printf ("ERROR could not open volume '%s': %s\n", volume, str_status[-ret]);
return;
}
describe (path, &desc);
if (desc.type != FS_DIR) {
volume_close ();
}
size_t entries = desc.size;
for (size_t entry_num = 0; entry_num < entries; entry_num++) {
read_dir_entry (path, &entry, entry_num);
describe (entry.path, &desc);
printf ("%-40s%c %-40zu\n", entry.path, (desc.type == FS_DIR ? '*' : ' '), desc.size);
}
volume_close ();
}
static void cmd_help (struct list_node_link* tokens) {
(void)tokens;
printf ("Available commands:\n");
printf ("\techo <word1> <word2> <word3> ...\n");
printf ("\thelp\n");
printf ("\tcat <file path>\n");
printf ("echo <word1> <word2> <word3> ...\n");
printf ("help\n");
printf ("cat <file path>\n");
printf ("ls <directory path>\n");
}
static void exec_tokens (struct list_node_link* tokens) {
@@ -126,6 +167,8 @@ static void exec_tokens (struct list_node_link* tokens) {
cmd_help (tokens->next);
} else if (strcmp (cmd_token->buffer, "cat") == 0) {
cmd_cat (tokens->next);
} else if (strcmp (cmd_token->buffer, "ls") == 0) {
cmd_ls (tokens->next);
} else {
printf ("ERROR: unknown command '%s'\n", cmd_token->buffer);
}