Decode hexadecimal string into data.
decode-hex <data> to [ define ] <output> \
[ input-length <input length> ] \
[ output-length [ define ] <output length> ]
decode-hex will decode hexadecimal string <data> to string <output> given in "to"
clause, which may be any binary data. <output> is allocated memory
<data> must consist of an even number of digits 0-9 and letters A-F or a-f. The length of <data> may be given by optional <input length> in "input-length"
clause, otherwise it is assumed to be the string length of <data>. The output string <output> is allocated and its length is given in the optional <output length> in "output-length"
subclause can be used to create <output> string and a number variable <output length> if they do not already exist.
Get binary data from a hexadecimal string "hexdata"
. The output string "binout"
is created and so is its length "olen"
variable of type "num"
char *hexdata = "0041000F414200";
decode-hex hexdata to define binout output-length define olen
The value of "binout"
will be binary data equal to this C literal:
char *binout = "\x00""A""\x00""\xF""AB""\x00""\x04";
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