ref: 213184b2eda8809ecfca949cedb604896530344f
parent: 8b8814e4df3e370608da903e6cdb96ba33aacdad
author: mkf <mkf@cloud9p.org>
date: Tue Nov 28 08:27:00 EST 2023
cmd/ls.c: import there are few things that i'd like to change, but it's okay so far.
--- /dev/null
+++ b/cmd/ls.c
@@ -1,0 +1,82 @@
+#include <u.h>
+#include <libc.h>
+
+#include <err.h>
+
+#include <mem.h>
+#include <vfs.h>
+
+char*
+permtoletter(uint16 perms)
+{+ char *s;
+ int i, j;
+ s = malloc(16);
+
+ i = 0;
+ j = 0;
+ while(i < 9)
+ {+ s[j++] = (perms & (4 << i)) ? 'r' : '-';
+ s[j++] = (perms & (2 << i)) ? 'w' : '-';
+ s[j++] = (perms & (1 << i)) ? 'x' : '-';
+
+ /* we iterate 3 bits each time */
+ i += 3;
+ }
+
+ s[j++] = '\0';
+ return s;
+}
+
+int
+ls_main(int argc, char **argv, char *cwd)
+{+ ll_t *t, *head;
+ fs_t *fs;
+ file_t *f, *dir;
+ char *perms;
+
+ if(argc == 1)
+ {+ argv[1] = "/";
+ argc = 2;
+ }
+
+ fs = getfs(argv[1]);
+ if(fs == nil)
+ {+ printf("No such fs\n");+ return NO_SUCH_FS;
+ }
+
+ dir = pathtofile(fs, argv[1], nil);
+ if(dir == nil)
+ {+ printf("No such file\n");+ return NO_SUCH_FILE;
+ }
+
+ head = readdir(fs, dir);
+ t = (ll_t*)head->next; /* first entry is always trash */
+
+ while(t != nil)
+ {+ f = ((file_t*)t->val);
+
+ printf("%d\t", f->fid);+ printf("%d\t", f->size);+
+ printf("%d\t", f->owner);+ printf("%s\t", permtoletter(f->perms));+
+ printf("%s", f->path);+ printf("%s\n", f->name);+
+ t = (ll_t*)t->next;
+ }
+
+ llfree(head);
+ free(perms);
+ return OK;
+}