diff options
Diffstat (limited to 'sys/kern/subr_prf.c')
| -rw-r--r-- | sys/kern/subr_prf.c | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/sys/kern/subr_prf.c b/sys/kern/subr_prf.c index 6509522..4f35838 100644 --- a/sys/kern/subr_prf.c +++ b/sys/kern/subr_prf.c @@ -37,10 +37,13 @@ #include <sys/cdefs.h> __FBSDID("$FreeBSD$"); +#ifdef _KERNEL #include "opt_ddb.h" #include "opt_printf.h" +#endif /* _KERNEL */ #include <sys/param.h> +#ifdef _KERNEL #include <sys/systm.h> #include <sys/lock.h> #include <sys/kdb.h> @@ -57,7 +60,9 @@ __FBSDID("$FreeBSD$"); #include <sys/syslog.h> #include <sys/cons.h> #include <sys/uio.h> +#endif #include <sys/ctype.h> +#include <sys/sbuf.h> #ifdef DDB #include <ddb/ddb.h> @@ -69,6 +74,8 @@ __FBSDID("$FreeBSD$"); */ #include <machine/stdarg.h> +#ifdef _KERNEL + #define TOCONS 0x01 #define TOTTY 0x02 #define TOLOG 0x04 @@ -1119,3 +1126,59 @@ hexdump(const void *ptr, int length, const char *hdr, int flags) printf("\n"); } } +#endif /* _KERNEL */ + +void +sbuf_hexdump(struct sbuf *sb, const void *ptr, int length, const char *hdr, + int flags) +{ + int i, j, k; + int cols; + const unsigned char *cp; + char delim; + + if ((flags & HD_DELIM_MASK) != 0) + delim = (flags & HD_DELIM_MASK) >> 8; + else + delim = ' '; + + if ((flags & HD_COLUMN_MASK) != 0) + cols = flags & HD_COLUMN_MASK; + else + cols = 16; + + cp = ptr; + for (i = 0; i < length; i+= cols) { + if (hdr != NULL) + sbuf_printf(sb, "%s", hdr); + + if ((flags & HD_OMIT_COUNT) == 0) + sbuf_printf(sb, "%04x ", i); + + if ((flags & HD_OMIT_HEX) == 0) { + for (j = 0; j < cols; j++) { + k = i + j; + if (k < length) + sbuf_printf(sb, "%c%02x", delim, cp[k]); + else + sbuf_printf(sb, " "); + } + } + + if ((flags & HD_OMIT_CHARS) == 0) { + sbuf_printf(sb, " |"); + for (j = 0; j < cols; j++) { + k = i + j; + if (k >= length) + sbuf_printf(sb, " "); + else if (cp[k] >= ' ' && cp[k] <= '~') + sbuf_printf(sb, "%c", cp[k]); + else + sbuf_printf(sb, "."); + } + sbuf_printf(sb, "|"); + } + sbuf_printf(sb, "\n"); + } +} + |
