iPXE
Functions
string.h File Reference

String functions. More...

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Functions

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

Detailed Description

String functions.

Definition in file string.h.

Function Documentation

◆ FILE_LICENCE()

FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL  )

◆ digit_value()

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 398 of file string.c.

398  {
399 
400  if ( character >= 'a' )
401  return ( character - ( 'a' - 10 ) );
402  if ( character >= 'A' )
403  return ( character - ( 'A' - 10 ) );
404  if ( character <= '9' )
405  return ( character - '0' );
406  return character;
407 }

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