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/* This file is part of Smap.
Copyright (C) 2006, 2007, 2010 Sergey Poznyakoff
Smap 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, or (at your option)
any later version.
Smap 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 Smap. If not, see <http://www.gnu.org/licenses/>. */
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <stdio.h>
#include <errno.h>
#include <string.h>
#include "smap/diag.h"
#include "smap/stream.h"
#include "smap/streamdef.h"
struct fileout_stream {
struct _smap_stream base;
FILE *file;
char *pfx;
int pgopt;
};
static int
_fileout_stream_write(struct _smap_stream *stream, const char *buf,
size_t size, size_t *pret)
{
struct fileout_stream *str = (struct fileout_stream *)stream;
size_t n;
if (str->pgopt)
fprintf(str->file, "%s: ", smap_progname);
if (str->pfx)
fprintf(str->file, "%s: ", str->pfx);
n = fwrite(buf, 1, size, str->file);
*pret = n;
if (n != size)
return errno;
return 0;
}
static int
_fileout_stream_flush(struct _smap_stream *stream)
{
struct fileout_stream *str = (struct fileout_stream *)stream;
if (fflush(str->file))
return errno;
return 0;
}
static void
_fileout_stream_destroy(struct _smap_stream *stream)
{
struct fileout_stream *str = (struct fileout_stream *)stream;
free(str->pfx);
}
int
smap_fileout_stream_create (smap_stream_t *pstream, FILE *file,
const char *pfx, int pgopt)
{
struct fileout_stream *str =
(struct fileout_stream *)
_smap_stream_create(sizeof(*str), SMAP_STREAM_WRITE);
if (!str)
return ENOMEM;
if (pfx) {
str->pfx = strdup(pfx);
if (!str->pfx) {
free(str);
return ENOMEM;
}
} else
str->pfx = NULL;
str->file = file;
str->pgopt = pgopt;
str->base.write = _fileout_stream_write;
str->base.flush = _fileout_stream_flush;
str->base.done = _fileout_stream_destroy;
*pstream = (smap_stream_t) str;
smap_stream_set_buffer(*pstream, smap_buffer_line, 1024);
return 0;
}
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