Globals and other support for a 8 bit representation of characters.

Define character set properties

Segment Element

Constant definition

  39: #ifdef HAVE_LIMITS_H
  40: #include <limits.h>
  41: #else
  42: #ifndef UCHAR_MAX
  43: #define UCHAR_MAX 255
  44: #endif
  45: #endif

Segment Element

Constant definition

  56: #define UCHAR_LIM (UCHAR_MAX + 1)

Segment Element

Macro definition

Notes

Provides a type casting method.

  57: #define UCHAR(c) ((unsigned char) (c))
  58: 

Declare blank characters (blanks[])

Array declaration

Segment Source

 133: static int blanks[UCHAR_LIM];

Declare (non)printable characters (nonprinting[])

Array declaration

Segment Source

 136: static int nonprinting[UCHAR_LIM];

Declare (non)dictionary characters (nondictionary[])

Array declaration

Segment Source

 139: static int nondictionary[UCHAR_LIM];

Declare uppercase translation table (fold_toupper[])

Array declaration

Segment Source

 142: static char fold_toupper[UCHAR_LIM];

Convert to character class

Segment Element

Code insertion

1097:               while (texta < lima && ignore[UCHAR (*texta)])            \

Segment Element

Code insertion

1099:               while (textb < limb && ignore[UCHAR (*textb)])            \

Segment Element

Code insertion

1112:               if (texta == lima && textb < limb && !ignore[UCHAR (*textb)]) \

Segment Element

Code insertion

1115:                        && !ignore[UCHAR (*texta)])                      \

Segment Element

Code insertion

1121:               while (texta < lima && ignore[UCHAR (*texta)])            \

Segment Element

Code insertion

1123:               while (textb < limb && ignore[UCHAR (*textb)])            \

Segment Element

Code insertion

1139:         CMP_WITH_IGNORE (translate[UCHAR (*texta)], translate[UCHAR (*textb)]);

Segment Element

Code insertion

1141:         CMP_WITH_IGNORE (UCHAR (*texta), UCHAR (*textb));

Segment Element

Code insertion

1145:             if (translate[UCHAR (*texta++)] != translate[UCHAR (*textb++)])

Segment Element

Code insertion

1147:                 diff = (translate[UCHAR (*--texta)]
1148:                         - translate[UCHAR (*--textb)]);

Convert to character class

Code insertion

Segment Source

1194:       diff = UCHAR (*ap) - UCHAR (*bp);