src/usr.bin/make/buf.h - diff

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version 1.5, 1998/12/05 00:06:27

version 1.6, 1999/12/06 22:24:31

Line 51

#include "sprite.h"

typedef char Byte;

typedef struct Buffer {

int size; /* Current size of the buffer */

size_t size; /* Current size of the buffer */

int left; /* Space left (== size - (inPtr - buffer)) */

size_t left; /* Space left (== size - (inPtr - buffer)) */

Byte *buffer; /* The buffer itself */

char *buffer; /* The buffer itself */

Byte *inPtr; /* Place to write to */

char *inPtr; /* Place to write to */

Byte *outPtr; /* Place to read from */

char *outPtr; /* Place to read from */

} *Buffer;

/* Buf_AddByte adds a single byte to a buffer. */

/* Buf_AddChar adds a single char to a buffer. */

#define Buf_AddByte(bp, byte) \

#define Buf_AddChar(bp, byte) \

(void) (--(bp)->left <= 0 ? Buf_OvAddByte(bp, byte), 1 : \

(void) (--(bp)->left == 0 ? Buf_OvAddChar(bp, byte), 1 : \

(*(bp)->inPtr++ = (byte), *(bp)->inPtr = 0), 1)

#define BUF_ERROR 256

void Buf_OvAddByte __P((Buffer, int));

void Buf_OvAddChar __P((Buffer, char));

void Buf_AddBytes __P((Buffer, int, const Byte *));

void Buf_AddChars __P((Buffer, size_t, const char *));

void Buf_UngetByte __P((Buffer, int));

char *Buf_GetAll __P((Buffer, size_t *));

void Buf_UngetBytes __P((Buffer, int, Byte *));

void Buf_Discard __P((Buffer, size_t));

int Buf_GetByte __P((Buffer));

int Buf_GetBytes __P((Buffer, int, Byte *));

Byte *Buf_GetAll __P((Buffer, int *));

void Buf_Discard __P((Buffer, int));

int Buf_Size __P((Buffer));

Buffer Buf_Init __P((int));

Buffer Buf_Init __P((size_t));

void Buf_Destroy __P((Buffer, Boolean));

void Buf_ReplaceLastByte __P((Buffer, int));

void Buf_ReplaceLastChar __P((Buffer, char));

#endif /* _BUF_H */