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glibc  2.9
Defines | Functions | Variables
a64l.c File Reference
#include <stdlib.h>

Go to the source code of this file.

Defines

#define TABLE_BASE   0x2e
#define TABLE_SIZE   0x4d
#define XX   ((char)0x40)

Functions

long int a64l (char *string) const

Variables

static const char a64l_table [TABLE_SIZE]

Define Documentation

#define TABLE_BASE   0x2e

Definition at line 22 of file a64l.c.

#define TABLE_SIZE   0x4d

Definition at line 23 of file a64l.c.

#define XX   ((char)0x40)

Definition at line 25 of file a64l.c.


Function Documentation

long int a64l ( char *  string) const

Definition at line 40 of file a64l.c.

{
  const char *ptr = string;
  unsigned long int result = 0ul;
  const char *end = ptr + 6;
  int shift = 0;

  do
    {
      unsigned index;
      unsigned value;

      index = *ptr - TABLE_BASE;
      if ((unsigned int) index >= TABLE_SIZE)
       break;
      value = (int) a64l_table[index];
      if (value == (int) XX)
       break;
      ++ptr;
      result |= value << shift;
      shift += 6;
    }
  while (ptr != end);

  return (long int) result;
}

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Variable Documentation

const char a64l_table[TABLE_SIZE] [static]
Initial value:
{
                                                             0,  1,
     2,  3,  4,  5,  6,  7,  8,  9, 10, 11, XX, XX, XX, XX, XX, XX,
    XX, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26,
    27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, XX, XX, XX, XX, XX,
    XX, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52,
    53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63
}

Definition at line 28 of file a64l.c.