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/* This file is part of GNU Dico.
Copyright (C) 2008-2024 Sergey Poznyakoff
GNU Dico 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.
GNU Dico 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 GNU Dico. If not, see <http://www.gnu.org/licenses/>. */
/* Implementation of a "log stream", a write-only stream that sends
all data to the dico log channel with the given level. */
#include <dico.h>
struct log_stream {
int level;
};
static int
log_write(void *data, const char *buf, size_t size, size_t *pret)
{
struct log_stream *p = data;
if (pret)
*pret = size;
while (size > 0 && (buf[size-1] == '\n' || buf[size-1] == '\r'))
size--;
if (size)
dico_log(p->level, 0, "%.*s", (int)size, buf);
return 0;
}
static int
log_destroy(void *data)
{
free(data);
return 0;
}
dico_stream_t
dico_log_stream_create(int level)
{
struct log_stream *p = malloc(sizeof(*p));
dico_stream_t stream;
if (!p || dico_stream_create(&stream, DICO_STREAM_WRITE, p))
return NULL;
dico_stream_set_write(stream, log_write);
dico_stream_set_destroy(stream, log_destroy);
dico_stream_set_buffer(stream, dico_buffer_line, 1024);
p->level = level;
return stream;
}
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