Add file removal, rm

src/user/app/rm/rm.c

@@ -0,0 +1,26 @@
+#include "src/lib/syscall.h"
+#include "src/lib/util.h"
+#include "src/user/syscall.h"
+
+#define BLOCK_SIZE 65536
+
+#define PRINT_S(s) write(1, s, sizeof(s) - 1);
+#define PRINT_D(s) write(1, s, string_length(s));
+
+exit_code_t main(uint64_t argc, const char **argv) {
+  if (argc < 2) {
+    PRINT_S("rm: requires one or more arguments\n");
+    return EXIT_CODE_GENERAL_FAILURE;
+  }
+
+  uint64_t code = EXIT_CODE_OK;
+  for (uint64_t i = 1; i < argc; i++) {
+    exit_code_t c = remove(argv[i]);
+    if (c != EXIT_CODE_OK) {
+      PRINT_S("rm: coult not remove file\n");
+      code = c;
+    }
+  }
+
+  return code;
+}