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Annotation of GNUtools/debug/gdb/readline/chardefs.h, revision 1.1.1.1

1.1       root        1: /* chardefs.h -- Character definitions for readline. */
                      2: #ifndef _CHARDEFS_
                      3: 
                      4: #ifndef savestring
                      5: #ifdef NeXT
                      6: #define savestring(x) (char *)strcpy ((char *)malloc (1 + strlen (x)), (x))
                      7: #else
                      8: #define savestring(x) (char *)strcpy (xmalloc (1 + strlen (x)), (x))
                      9: #endif /* NeXT */
                     10: #endif
                     11: 
                     12: #ifndef whitespace
                     13: #define whitespace(c) (((c) == ' ') || ((c) == '\t'))
                     14: #endif
                     15: 
                     16: #ifdef CTRL
                     17: #undef CTRL
                     18: #endif
                     19: 
                     20: /* Some character stuff. */
                     21: #define control_character_threshold 0x020   /* smaller than this is control */
                     22: #define meta_character_threshold 0x07f     /* larger than this is Meta. */
                     23: #define control_character_bit 0x40         /* 0x000000, must be off. */
                     24: #define meta_character_bit 0x080           /* x0000000, must be on. */
                     25: 
                     26: #define CTRL(c) ((c) & (~control_character_bit))
                     27: #define META(c) ((c) | meta_character_bit)
                     28: 
                     29: #define UNMETA(c) ((c) & (~meta_character_bit))
                     30: #define UNCTRL(c) to_upper(((c)|control_character_bit))
                     31: 
                     32: #define lowercase_p(c) (((c) > ('a' - 1) && (c) < ('z' + 1)))
                     33: #define uppercase_p(c) (((c) > ('A' - 1) && (c) < ('Z' + 1)))
                     34: 
                     35: #define pure_alphabetic(c) (lowercase_p(c) || uppercase_p(c))
                     36: 
                     37: #ifndef to_upper
                     38: #define to_upper(c) (lowercase_p(c) ? ((c) - 32) : (c))
                     39: #define to_lower(c) (uppercase_p(c) ? ((c) + 32) : (c))
                     40: #endif
                     41: 
                     42: #define CTRL_P(c) ((c) < control_character_threshold)
                     43: #define META_P(c) ((c) > meta_character_threshold)
                     44: 
                     45: #define NEWLINE '\n'
                     46: #define RETURN CTRL('M')
                     47: #define RUBOUT 0x07f
                     48: #define TAB '\t'
                     49: #define ABORT_CHAR CTRL('G')
                     50: #define PAGE CTRL('L')
                     51: #define SPACE 0x020
                     52: #define ESC CTRL('[')
                     53: 
                     54: #endif  /* _CHARDEFS_ */

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