116 lines
3.9 KiB
C
116 lines
3.9 KiB
C
/*
|
|
* Copyright (c) 2002 by The XFree86 Project, Inc.
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a
|
|
* copy of this software and associated documentation files (the "Software"),
|
|
* to deal in the Software without restriction, including without limitation
|
|
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
|
|
* and/or sell copies of the Software, and to permit persons to whom the
|
|
* Software is furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be included in
|
|
* all copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
|
* THE XFREE86 PROJECT BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
|
|
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
|
|
* OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
|
* SOFTWARE.
|
|
*
|
|
* Except as contained in this notice, the name of the XFree86 Project shall
|
|
* not be used in advertising or otherwise to promote the sale, use or other
|
|
* dealings in this Software without prior written authorization from the
|
|
* XFree86 Project.
|
|
*
|
|
* Author: Paulo César Pereira de Andrade
|
|
*/
|
|
|
|
/* $XFree86: xc/programs/xedit/lisp/io.h,v 1.9tsi Exp $ */
|
|
|
|
#ifndef Lisp_io_h
|
|
#define Lisp_io_h
|
|
|
|
#include "lisp/private.h"
|
|
|
|
#define FILE_READ 0x01
|
|
#define FILE_WRITE 0x02
|
|
#define FILE_IO 0x03
|
|
#define FILE_APPEND 0x06 /* append mode, write bit also set */
|
|
#define FILE_BUFFERED 0x08 /* force buffered mode */
|
|
#define FILE_UNBUFFERED 0x10 /* force unbuffered mode */
|
|
#define FILE_BINARY 0x20
|
|
|
|
/*
|
|
* Types
|
|
*/
|
|
typedef ssize_t (*io_write_fn)(int, const void*, size_t);
|
|
|
|
struct _LispFile {
|
|
char *buffer;
|
|
int line; /* input line number */
|
|
int column; /* output column number */
|
|
int descriptor;
|
|
int length; /* number of bytes used */
|
|
int offset; /* read/write offset */
|
|
int unget : 8; /* unread char */
|
|
unsigned int readable : 1;
|
|
unsigned int writable : 1;
|
|
unsigned int regular : 1; /* regular file */
|
|
unsigned int buffered : 1;
|
|
unsigned int available : 1; /* unget field holds a char */
|
|
unsigned int nonblock : 1; /* in nonblock mode */
|
|
unsigned int binary : 1; /* if set, don't calculate column/line-number */
|
|
io_write_fn io_write;
|
|
};
|
|
|
|
struct _LispString {
|
|
char *string;
|
|
int line; /* input line number */
|
|
int column; /* output column number */
|
|
int space; /* number of bytes alocated */
|
|
int length; /* number of bytes used */
|
|
int input; /* input offset, for read operations */
|
|
int output; /* output offset, for write operations */
|
|
unsigned int fixed : 1; /* if set, don't try to reallocate string */
|
|
unsigned int binary : 1; /* if set, don't calculate column/line-number */
|
|
};
|
|
|
|
/*
|
|
* Prototypes
|
|
*/
|
|
/* higher level functions */
|
|
int LispGet(void);
|
|
int LispUnget(int);
|
|
void LispPushInput(LispObj*);
|
|
void LispPopInput(LispObj*);
|
|
|
|
/* functions that read/write using the LispFile structure */
|
|
LispFile *LispFdopen(int, int);
|
|
LispFile *LispFopen(char*, int);
|
|
void LispFclose(LispFile*);
|
|
int LispFflush(LispFile*);
|
|
int LispFungetc(LispFile*, int);
|
|
int LispFgetc(LispFile*);
|
|
int LispFputc(LispFile*, int);
|
|
char *LispFgets(LispFile*, char*, int);
|
|
int LispFputs(LispFile*, char*);
|
|
int LispFread(LispFile*, void*, int);
|
|
int LispFwrite(LispFile*, void*, int);
|
|
int LispRename(char*, char*);
|
|
int LispUnlink(char*);
|
|
|
|
/* io wrappers */
|
|
io_write_fn LispSetFileWrite(LispFile*, io_write_fn);
|
|
|
|
/* functions that read/write using the LispString structure */
|
|
int LispSgetc(LispString*);
|
|
int LispSputc(LispString*, int);
|
|
int LispSputs(LispString*, char*);
|
|
int LispSwrite(LispString*, void*, int);
|
|
|
|
char *LispGetSstring(LispString*, int*);
|
|
|
|
#endif /* Lisp_io_h */
|