diff options
Diffstat (limited to 'xpcom/io/crc32c.h')
| -rw-r--r-- | xpcom/io/crc32c.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/xpcom/io/crc32c.h b/xpcom/io/crc32c.h new file mode 100644 index 000000000..f7035fa15 --- /dev/null +++ b/xpcom/io/crc32c.h @@ -0,0 +1,23 @@ +#ifndef crc32c_h +#define crc32c_h + +#include <stdint.h> +#include <stddef.h> + +#ifdef __cplusplus +extern "C" { +#endif + +// Compute a CRC32c as defined in RFC3720. This is a different polynomial than +// what is used in the crc for zlib, etc. Typical usage to calculate a new CRC: +// +// ComputeCrc32c(~0, buffer, bufferLength); +// +uint32_t +ComputeCrc32c(uint32_t aCrc, const void *aBuf, size_t aSize); + +#ifdef __cplusplus +} // extern "C" +#endif + +#endif // crc32c_h |