mysql_hex_string(3)

create a hexadecimal string #include [B] [R] unsigned long mysql_hex_string(char * to, const char * from, unsigned long

Section 3 libmariadb-dev bookworm source

Description

mysql_hex_string - create a hexadecimal string

#include <mysql.h>
unsigned long mysql_hex_string(char * to,
const char * from,
unsigned long len);

This function is used to create a hexadecimal string which can be used in SQL statements. e.g. INSERT INTO my_blob VALUES(X'A0E1CD').

	•		to - result buffer
	•		from - the string which will be encoded
	•		len - length of the string (from)

	•		The size of the buffer for the encoded string must be 2 * length + 1.
	•		The encoded string does not contain a leading X’.

Returns the length of the encoded string without the trailing null character.