diff options
Diffstat (limited to 'util-linux/dmesg.c')
| -rw-r--r-- | util-linux/dmesg.c | 160 |
1 files changed, 81 insertions, 79 deletions
diff --git a/util-linux/dmesg.c b/util-linux/dmesg.c index e38fd55..bbed822 100644 --- a/util-linux/dmesg.c +++ b/util-linux/dmesg.c @@ -1,3 +1,4 @@ +/* vi: set sw=4 ts=4: */ /* dmesg.c -- Print out the contents of the kernel ring buffer * Created: Sat Oct 9 16:19:47 1993 * Revised: Thu Oct 28 21:52:17 1993 by faith@cs.unc.edu @@ -24,8 +25,8 @@ #ifndef __alpha__ # define __NR_klogctl __NR_syslog - static inline _syscall3(int, klogctl, int, type, char *, b, int, len); -#else /* __alpha__ */ +static inline _syscall3(int, klogctl, int, type, char *, b, int, len); +#else /* __alpha__ */ #define klogctl syslog #endif @@ -35,90 +36,91 @@ static const char dmesg_usage[] = "dmesg [-c] [-n level] [-s bufsize]\n"; -int dmesg_main( int argc, char** argv ) +int dmesg_main(int argc, char **argv) { - char *buf; - int bufsize=8196; - int i; - int n; - int level = 0; - int lastc; - int cmd = 3; - int stopDoingThat; + char *buf; + int bufsize = 8196; + int i; + int n; + int level = 0; + int lastc; + int cmd = 3; + int stopDoingThat; - argc--; - argv++; + 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: + /* 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; + } + } + } + + if (argc > 1) { goto end; - } } - } - - if (argc > 1) { - goto end; - } - if (cmd == 8) { - n = klogctl( cmd, NULL, level ); - if (n < 0) { - goto klogctl_error; - } - exit( TRUE ); - } + if (cmd == 8) { + n = klogctl(cmd, NULL, level); + if (n < 0) { + goto klogctl_error; + } + exit(TRUE); + } - if (bufsize < 4096) bufsize = 4096; - buf = (char*)malloc(bufsize); - n = klogctl( cmd, buf, bufsize ); - if (n < 0) { - goto klogctl_error; - } + if (bufsize < 4096) + bufsize = 4096; + buf = (char *) malloc(bufsize); + n = klogctl(cmd, buf, bufsize); + if (n < 0) { + goto klogctl_error; + } - lastc = '\n'; - for (i = 0; i < n; i++) { - if ((i == 0 || buf[i - 1] == '\n') && buf[i] == '<') { - i++; - while (buf[i] >= '0' && buf[i] <= '9') - i++; - if (buf[i] == '>') - i++; - } - lastc = buf[i]; - putchar( lastc ); - } - if (lastc != '\n') - putchar( '\n' ); - exit( TRUE); -end: - usage( dmesg_usage); - exit (FALSE); -klogctl_error: - perror( "klogctl" ); - exit( FALSE ); + lastc = '\n'; + for (i = 0; i < n; i++) { + if ((i == 0 || buf[i - 1] == '\n') && buf[i] == '<') { + i++; + while (buf[i] >= '0' && buf[i] <= '9') + i++; + if (buf[i] == '>') + i++; + } + lastc = buf[i]; + putchar(lastc); + } + if (lastc != '\n') + putchar('\n'); + exit(TRUE); + end: + usage(dmesg_usage); + exit(FALSE); + klogctl_error: + perror("klogctl"); + exit(FALSE); } |