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/* vim: set expandtab ts=4 sw=4: */
/*
* You may redistribute this program 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/>.
*/
#include "io/Writer.h"
#include "io/FileWriter.h"
#include "util/Identity.h"
struct FileWriter_context {
struct Writer generic;
FILE* writeTo;
Identity
};
/** @see Writer->write() */
static int write(struct Writer* writer, const void* toWrite, unsigned long length)
{
struct FileWriter_context* context = Identity_check((struct FileWriter_context*) writer);
size_t written = fwrite(toWrite, 1, length, context->writeTo);
writer->bytesWritten += written;
return written - length;
}
/** @see ArrayWriter.h */
struct Writer* FileWriter_new(FILE* writeTo, struct Allocator* allocator)
{
struct FileWriter_context* context = Allocator_clone(allocator, (&(struct FileWriter_context) {
.generic = {
.write = write
},
.writeTo = writeTo
}));
Identity_set(context);
return &context->generic;
}
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