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Diffstat (limited to '')
| -rw-r--r-- | src/liblzma/common/vli_size.c (renamed from src/liblzma/common/version.c) | 22 |
1 files changed, 17 insertions, 5 deletions
diff --git a/src/liblzma/common/version.c b/src/liblzma/common/vli_size.c index dffec7ff..547bba0b 100644 --- a/src/liblzma/common/version.c +++ b/src/liblzma/common/vli_size.c @@ -1,9 +1,9 @@ /////////////////////////////////////////////////////////////////////////////// // -/// \file version.c -/// \brief liblzma version number +/// \file vli_size.c +/// \brief Calculates the encoded size of a variable-length integer // -// Copyright (C) 2007 Lasse Collin +// Copyright (C) 2007-2008 Lasse Collin // // This library is free software; you can redistribute it and/or // modify it under the terms of the GNU Lesser General Public @@ -20,6 +20,18 @@ #include "common.h" -LZMA_API const uint32_t lzma_version_number = LZMA_VERSION; +extern LZMA_API uint32_t +lzma_vli_size(lzma_vli vli) +{ + if (vli > LZMA_VLI_VALUE_MAX) + return 0; -LZMA_API const char *const lzma_version_string = PACKAGE_VERSION; + uint32_t i = 0; + do { + vli >>= 7; + ++i; + } while (vli != 0); + + assert(i <= LZMA_VLI_BYTES_MAX); + return i; +} |