From 3d0ac5e446314c08f3e590bb4dd976b551bff618 Mon Sep 17 00:00:00 2001 From: Harald Welte Date: Tue, 8 Feb 2011 16:55:03 +0100 Subject: [utils] add 'bitdump' function for bitfields --- src/utils.c | 30 ++++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) (limited to 'src/utils.c') diff --git a/src/utils.c b/src/utils.c index 405039f6..52007931 100644 --- a/src/utils.c +++ b/src/utils.c @@ -95,6 +95,36 @@ static char *_hexdump(const unsigned char *buf, int len, char *delim) return hexd_buff; } +char *bitdump(const uint8_t *bits, unsigned int len) +{ + int i; + + if (len > sizeof(hexd_buff)-1) + len = sizeof(hexd_buff)-1; + memset(hexd_buff, 0, sizeof(hexd_buff)); + + for (i = 0; i < len; i++) { + char outch; + switch (bits[i]) { + case 0: + outch = '0'; + break; + case 0xff: + outch = '?'; + break; + case 1: + outch = '1'; + break; + default: + outch = 'E'; + break; + } + hexd_buff[i] = outch; + } + hexd_buff[sizeof(hexd_buff)-1] = 0; + return hexd_buff; +} + char *hexdump(const unsigned char *buf, int len) { return _hexdump(buf, len, " "); -- cgit v1.2.3