Provide a function to convert a buffer of binary data into an unterminated ascii hex string representation of that data.
Signed-off-by: David Howells <[email protected]> --- include/linux/kernel.h | 1 + lib/hexdump.c | 16 ++++++++++++++++ 2 files changed, 17 insertions(+) diff --git a/include/linux/kernel.h b/include/linux/kernel.h index 95624bed87ef..7c0ad8e38510 100644 --- a/include/linux/kernel.h +++ b/include/linux/kernel.h @@ -496,6 +496,7 @@ static inline char *hex_byte_pack_upper(char *buf, u8 byte) extern int hex_to_bin(char ch); extern int __must_check hex2bin(u8 *dst, const char *src, size_t count); +extern char *bin2hex(char *dst, const void *src, size_t count); bool mac_pton(const char *s, u8 *mac); diff --git a/lib/hexdump.c b/lib/hexdump.c index 8499c810909a..270773b91923 100644 --- a/lib/hexdump.c +++ b/lib/hexdump.c @@ -59,6 +59,22 @@ int hex2bin(u8 *dst, const char *src, size_t count) EXPORT_SYMBOL(hex2bin); /** + * bin2hex - convert binary data to an ascii hexadecimal string + * @dst: ascii hexadecimal result + * @src: binary data + * @count: binary data length + */ +char *bin2hex(char *dst, const void *src, size_t count) +{ + const unsigned char *_src = src; + + while (count--) + dst = hex_byte_pack(dst, *_src++); + return dst; +} +EXPORT_SYMBOL(bin2hex); + +/** * hex_dump_to_buffer - convert a blob of data to "hex ASCII" in memory * @buf: data blob to dump * @len: number of bytes in the @buf -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
