- char *buf;
- int bufsize = 8196;
- int i;
- int n;
- int level = 0;
- int lastc;
- int cmd = 3;
- int stopDoingThat;
-
- argc--;
- argv++;
-
- /* Parse any options */
- while (argc && **argv == '-') {
- stopDoingThat = FALSE;
- while (stopDoingThat == FALSE && *++(*argv)) {
- switch (**argv) {
- case 'c':
- cmd = 4;
- break;
- case 'n':
- cmd = 8;
- if (--argc == 0)
- goto end;
- level = atoi(*(++argv));
- if (--argc > 0)
- ++argv;
- stopDoingThat = TRUE;
- break;
- case 's':
- if (--argc == 0)
- goto end;
- bufsize = atoi(*(++argv));
- if (--argc > 0)
- ++argv;
- stopDoingThat = TRUE;
- break;
- default:
- goto end;
+ char *size, *level;
+ int flags = bb_getopt_ulflags(argc, argv, "cs:n:", &size, &level);
+
+ if (flags & 4) {
+ if (klogctl(8, NULL, bb_xgetlarg(level, 10, 0, 10)))
+ bb_perror_msg_and_die("klogctl");
+ } else {
+ int len;
+ char *buf;
+
+ len = (flags & 2) ? bb_xgetlarg(size, 10, 2, INT_MAX) : 16384;
+ buf = xmalloc(len);
+ if (0 > (len = klogctl(3 + (flags & 1), buf, len)))
+ bb_perror_msg_and_die("klogctl");
+
+ // Skip <#> at the start of lines, and make sure we end with a newline.
+
+ if (ENABLE_FEATURE_DMESG_PRETTY) {
+ int last = '\n';
+ int in;
+
+ for (in = 0; in<len;) {
+ if (last == '\n' && buf[in] == '<') in += 3;
+ else putchar(last = buf[in++]);