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/*
* fhist - file history and comparison tools
* Copyright (C) 2000, 2002, 2008 Peter Miller
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see
* <http://www.gnu.org/licenses/>.
*/
#ifndef LIBAEGIS_OUTPUT_H
#define LIBAEGIS_OUTPUT_H
#include <ac/stdarg.h>
#include <ac/stddef.h>
#include <attrib_forma.h>
#include <main.h>
struct string_ty; /* existence */
struct output_ty;
typedef struct output_ty output_ty;
struct output_ty
{
struct output_vtbl_ty *vptr;
};
/*
* This structure is not to be used by clients of this API. It is only
* present to permit macro optimization of the interface.
*/
typedef struct output_vtbl_ty output_vtbl_ty;
struct output_vtbl_ty
{
int size;
void (*destructor)(output_ty *);
const char *(*filename)(output_ty *);
long (*ftell)(output_ty *);
void (*fputc)(output_ty *, int);
void (*fputs)(output_ty *, const char *);
void (*write)(output_ty *, const void *, size_t);
void (*flush)(output_ty *);
/*
* By putting this last, we catch many cases where a method
* pointer has been left out.
*/
const char *typename;
};
void output_delete(output_ty *);
const char *output_filename(output_ty *);
long output_ftell(output_ty *);
void output_fputc(output_ty *, int);
void output_fputs(output_ty *, const char *);
void output_put_str(output_ty *, struct string_ty *);
void output_write(output_ty *, const void *, size_t);
void output_flush(output_ty *);
void output_fprintf(output_ty *, const char *, ...) ATTRIBUTE_FORMAT_2_3;
void output_vfprintf(output_ty *, const char *, va_list);
#ifndef DEBUG
#ifdef __GNUC__
extern __inline const char *output_filename(output_ty *fp) { return
fp->vptr->filename(fp); }
extern __inline long output_ftell(output_ty *fp) { return
fp->vptr->ftell(fp); }
extern __inline void output_fputc(output_ty *fp, int c) {
fp->vptr->fputc(fp, c); }
extern __inline void output_fputs(output_ty *fp, const char *s) {
fp->vptr->fputs(fp, s); }
extern __inline void output_write(output_ty *fp, const void *data, size_t len) {
fp->vptr->write(fp, data, len); }
extern __inline void output_flush(output_ty *fp) {
fp->vptr->flush(fp); }
#else /* !__GNUC__ */
#define output_filename(fp) ((fp)->vptr->filename(fp))
#define output_ftell(fp) ((fp)->vptr->ftell(fp))
#define output_fputc(fp, c) ((fp)->vptr->fputc((fp), (c)))
#define output_fputs(fp, s) ((fp)->vptr->fputs((fp), (s)))
#define output_write(fp, data, len) ((fp)->vptr->write((fp), (data), (len)))
#define output_flush(fp) ((fp)->vptr->flush(fp))
#endif /* __GNUC__ */
#endif /* DEBUG */
#endif /* LIBAEGIS_OUTPUT_H */
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