Encoding utils

Encoding utils — encode strings to safe udev-compatible formats

Functions

Description

Functions

blkid_encode_string ()

int
blkid_encode_string (const char *str,
                     char *str_enc,
                     size_t len);

Encode all potentially unsafe characters of a string to the corresponding hex value prefixed by '\x'.

Parameters

str

input string to be encoded

 

str_enc

output string to store the encoded input string

 

len

maximum size of the output string, which may be four times as long as the input string

 

Returns

0 if the entire string was copied, non-zero otherwise.


blkid_safe_string ()

int
blkid_safe_string (const char *str,
                   char *str_safe,
                   size_t len);

Allows plain ascii, hex-escaping and valid utf8. Replaces all whitespaces with '_'.

Parameters

str

input string

 

str_safe

output string

 

len

size of output string

 

Returns

0 on success or -1 in case of error.