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/*
$Id: value.h,v 1.4 2007-04-11 10:43:27+01 taviso Exp $
*/
#ifndef _VALUE_INC
#define _VALUE_INC
/* some routines for working with value_t structures */
typedef enum {
MATCHEXACT,
MATCHNOTEQUAL,
MATCHEQUAL,
MATCHGREATERTHAN,
MATCHLESSTHAN
} matchtype_t;
typedef union {
unsigned char tuchar;
signed char tschar;
unsigned short tushort;
signed short tsshort;
unsigned int tuint;
signed int tsint;
unsigned long tulong;
signed long tslong;
/* const */ float tfloat;
/* READ ONLY */
} types_t;
typedef struct {
types_t value;
struct __attribute__ ((packed)) {
unsigned wchar:1; /* c,C - could be a char */
unsigned wshort:1; /* s,S - could be a short */
unsigned wint:1; /* i,I - could be a int */
unsigned wlong:1; /* l,L - could be a long */
unsigned tfloat:1; /* f,F - could be a float */
unsigned sign:1; /* n,N - is known to be signed (eg, < 0) */
unsigned zero:1; /* z,Z - is zero or one based value */
} flags;
} value_t;
bool valtostr(const value_t * val, char *str, size_t n);
void strtoval(const char *nptr, char **endptr, int base, value_t * val);
void valcpy(value_t * dst, const value_t * src);
void truncval(value_t * dst, const value_t * src);
bool valuecmp(const value_t * v1, matchtype_t operator, const value_t * v2,
value_t * save);
void valnowidth(value_t * val);
#define valuegt(a,b,x,y) (((a)->flags.x && (b)->flags.x) && ((a)->value.y > (b)->value.y))
#define valuelt(a,b,x,y) (((a)->flags.x && (b)->flags.x) && ((a)->value.y < (b)->value.y))
#define valueequal(a,b,x,y) (((a)->flags.x && (b)->flags.x) && ((a)->value.y == (b)->value.y))
#define valuecopy(a,b,x,y) (((a)->value.y = (b)->value.y), ((a)->flags.x = 1))
#endif
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