actube/src/cw/cw_save_file.c

48 lines
1.2 KiB
C

/*
This file is part of libcapwap.
libcapwap 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.
libcapwap 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 libcapwap. If not, see <http://www.gnu.org/licenses/>.
*/
/**
*@file
*/
#include <stdio.h>
#include "file.h"
/**
* Save data from memory to a file
* @param filename file to save data to
* @data pointer to data to save
* @len number of bytes to save
* @return number of bytes saved
*
* Use ferror to determine if an error has occured, when
* the return value (number of bytes written) differs from len.
*/
int cw_save_file(const char *filename, char *data, int len)
{
int bytes;
FILE *outfile = fopen(filename, "wb");
if (!outfile)
return 0;
bytes = fwrite(data, 1, len, outfile);
fclose(outfile);
return bytes;
}