iPXE
Functions
string.h File Reference

String functions. More...

Go to the source code of this file.

Functions

 FILE_LICENCE (GPL2_OR_LATER_OR_UBDL)
unsigned int digit_value (unsigned int digit)
 Calculate digit value.

Detailed Description

String functions.

Definition in file string.h.


Function Documentation

FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL  )
unsigned int digit_value ( unsigned int  character)

Calculate digit value.

Parameters:
characterDigit character
Return values:
digitDigit value

Invalid digits will be returned as a value greater than or equal to the numeric base.

Definition at line 383 of file string.c.

Referenced by hex_decode(), string_test_exec(), strtoul(), and strtoull().

                                                    {

        if ( character >= 'a' )
                return ( character - ( 'a' - 10 ) );
        if ( character >= 'A' )
                return ( character - ( 'A' - 10 ) );
        if ( character <= '9' )
                return ( character - '0' );
        return character;
}