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Diff for /src/usr.bin/make/buf.h between version 1.12 and 1.13

version 1.12, 2000/09/14 13:32:06 version 1.13, 2000/11/24 14:27:19
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 #include    "sprite.h"  #include    "sprite.h"
   
   /* Internal data structures and functions. BUFFER is visible so
    * that users can allocate the memory themselves.  */
 typedef struct Buffer_ {  typedef struct Buffer_ {
     char    *buffer;    /* The buffer itself. */      char    *buffer;    /* The buffer itself. */
     char    *inPtr;     /* Place to write to. */      char    *inPtr;     /* Place to write to. */
     char    *endPtr;    /* End of allocated space. */      char    *endPtr;    /* End of allocated space. */
 } BUFFER;  } BUFFER;
   
 typedef BUFFER *Buffer;  typedef struct Buffer_ *Buffer;
   
 /* Internal support for Buf_AddChar.  */  /* Internal support for Buf_AddChar.  */
 extern void BufOverflow __P((Buffer));  extern void BufOverflow __P((Buffer));
   
 /* User interface */  /* User interface */
   
   /* Buf_AddChars -- Add a number of chars to the buffer.  */
   extern void Buf_AddChars __P((Buffer, size_t, const char *));
   /* Buf_Reset -- Remove all chars from a buffer.  */
   #define Buf_Reset(bp)   ((void)((bp)->inPtr = (bp)->buffer))
   /* Buf_Size -- Return the number of chars in the given buffer.
    *      Doesn't include the null-terminating char.  */
   #define Buf_Size(bp)    ((size_t)((bp)->inPtr - (bp)->buffer))
   /* Buf_Init -- Initialize a buffer. If no initial size is given (0),
    *      a reasonable default is used.  */
   extern void Buf_Init __P((Buffer, size_t));
   /* Buf_Destroy -- Nuke a buffer and all its resources.  */
   #define Buf_Destroy(bp) (free((bp)->buffer))
   /* Buf_Retrieve -- Retrieve data from a buffer, as a NULL terminated string.  */
   #define Buf_Retrieve(bp)        (*(bp)->inPtr = '\0', (bp)->buffer)
 /* Buf_AddChar -- Add a single char to buffer. */  /* Buf_AddChar -- Add a single char to buffer. */
 #define Buf_AddChar(bp, byte)                   \  #define Buf_AddChar(bp, byte)                   \
 do {                                            \  do {                                            \
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         *(bp)->inPtr++ = (byte);                \          *(bp)->inPtr++ = (byte);                \
 } while (0)  } while (0)
   
 #define BUF_ERROR 256  
   
 /* Buf_AddChars -- Add a number of chars to the buffer.  */  
 extern void Buf_AddChars __P((Buffer, size_t, const char *));  
 /* Buf_Reset -- Remove all chars from a buffer.  */  
 #define Buf_Reset(bp)   ((void)((bp)->inPtr = (bp)->buffer))  
 /* Buf_AddSpace -- Add a space to buffer.  */  /* Buf_AddSpace -- Add a space to buffer.  */
 #define Buf_AddSpace(b)                 Buf_AddChar((b), ' ')  #define Buf_AddSpace(b)                 Buf_AddChar((b), ' ')
 /* Buf_AddString -- Add the contents of a NULL terminated string to buffer.  */  /* Buf_AddString -- Add the contents of a NULL terminated string to buffer.  */
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 /* Buf_AddInterval -- Add characters between pointers s and e to buffer.  */  /* Buf_AddInterval -- Add characters between pointers s and e to buffer.  */
 #define Buf_AddInterval(b, s, e)        Buf_AddChars((b), (e) - (s), (s))  #define Buf_AddInterval(b, s, e)        Buf_AddChars((b), (e) - (s), (s))
   
 /* Buf_Retrieve -- Retrieve data from a buffer, as a NULL terminated string.  */  
 #define Buf_Retrieve(bp)        (*(bp)->inPtr = '\0', (bp)->buffer)  
   
 /* Buf_Size -- Return the number of chars in the given buffer.  
  *      Doesn't include the null-terminating char.  */  
 #define Buf_Size(bp)    ((size_t)((bp)->inPtr - (bp)->buffer))  
   
 /* Buf_Init -- Initialize a buffer. If no initial size is given,  
  *      a reasonable default is used.  */  
 extern void Buf_Init __P((Buffer, size_t));  
 /* Buf_Destroy -- Nuke a buffer and all its resources.  */  
 extern void Buf_Destroy __P((Buffer));  
 /* Buf_ReplaceLastChar -- Replace the last char in a buffer.  */  /* Buf_ReplaceLastChar -- Replace the last char in a buffer.  */
 extern void Buf_ReplaceLastChar __P((Buffer, char));  extern void Buf_ReplaceLastChar __P((Buffer, char));
   
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Removed from v.1.12  
changed lines
  Added in v.1.13