X-Git-Url: http://git.efficios.com/?p=babeltrace.git;a=blobdiff_plain;f=include%2Fbabeltrace%2Fcrc32.h;fp=include%2Fbabeltrace%2Fcrc32.h;h=4a229d63725931d76f2a8a315dca1f6447611fda;hp=0000000000000000000000000000000000000000;hb=c40a57e579977be9eb7682480428a89af5ca529c;hpb=220e0cbec97669ccfe4ed8a7e69c73c9ac72062d diff --git a/include/babeltrace/crc32.h b/include/babeltrace/crc32.h new file mode 100644 index 00000000..4a229d63 --- /dev/null +++ b/include/babeltrace/crc32.h @@ -0,0 +1,55 @@ +#ifndef _BABELTRACE_CRC32_H +#define _BABELTRACE_CRC32_H + +/* + * Copyright (c) 1991, 1993 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include +#include +#include +#include + +/** + * Compute a 32-bit cyclic redundancy checksum for a given file. + * + * On success, the out parameter crc is set with the computed checksum + * value, + * + * @param fd File descriptor for the file for which to compute the CRC + * @param crc Out parameter, the computed checksum + * @returns 0 on success, -1 on failure. + */ +BT_HIDDEN +int crc32(int fd, uint32_t *crc); + +#endif /* _BABELTRACE_CRC32_H */