Replace a few more bb_info_msg's by bb_error_msg or printf
[oweals/busybox.git] / util-linux / dmesg.c
index 412bf024bbd12f151870522ca6d3984f95e1545e..e543446c11c87e02c6d92c28518eeda796c1130c 100644 (file)
 //usage:       "[-c] [-n LEVEL] [-s SIZE]"
 //usage:#define dmesg_full_usage "\n\n"
 //usage:       "Print or control the kernel ring buffer\n"
-//usage:     "\nOptions:"
 //usage:     "\n       -c              Clear ring buffer after printing"
 //usage:     "\n       -n LEVEL        Set console logging level"
 //usage:     "\n       -s SIZE         Buffer size"
+//usage:     "\n       -r              Print raw message buffer"
 
 #include <sys/klog.h>
 #include "libbb.h"
@@ -30,11 +30,12 @@ int dmesg_main(int argc UNUSED_PARAM, char **argv)
        enum {
                OPT_c = 1 << 0,
                OPT_s = 1 << 1,
-               OPT_n = 1 << 2
+               OPT_n = 1 << 2,
+               OPT_r = 1 << 3
        };
 
        opt_complementary = "s+:n+"; /* numeric */
-       opts = getopt32(argv, "cs:n:", &len, &level);
+       opts = getopt32(argv, "cs:n:r", &len, &level);
        if (opts & OPT_n) {
                if (klogctl(8, NULL, (long) level))
                        bb_perror_msg_and_die("klogctl");
@@ -56,20 +57,19 @@ int dmesg_main(int argc UNUSED_PARAM, char **argv)
                return EXIT_SUCCESS;
 
 
-       if (ENABLE_FEATURE_DMESG_PRETTY) {
+       if (ENABLE_FEATURE_DMESG_PRETTY && !(opts & OPT_r)) {
                int last = '\n';
                int in = 0;
 
-               /* Skip <#> at the start of lines */
+               /* Skip <[0-9]+> at the start of lines */
                while (1) {
                        if (last == '\n' && buf[in] == '<') {
-                               in += 3;
-                               if (in >= len)
-                                       break;
+                               while (buf[in++] != '>' && in < len)
+                                       ;
+                       } else {
+                               last = buf[in++];
+                               putchar(last);
                        }
-                       last = buf[in];
-                       putchar(last);
-                       in++;
                        if (in >= len)
                                break;
                }