32 lines
973 B
Diff
32 lines
973 B
Diff
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diff --git a/star/cpiohdr.c b/star/cpiohdr.c
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index 9c7a774..2785661 100644
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--- a/star/cpiohdr.c
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+++ b/star/cpiohdr.c
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@@ -536,7 +536,9 @@ cpio_checkswab(ptb)
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}
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/*
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- * This simple sum is used for the SYSvr4 file content CRC
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+ * This simple sum is used for the SYSvr4 file content checksum. This is
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+ * implemented like Sum32 algorithm.
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+ *
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* Use Int32_t to implement the same behavior as the AT&T cpio command.
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*/
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LOCAL Int32_t
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diff --git a/star/star.1 b/star/star.1
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index 95b202c..a931a6f 100644
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--- a/star/star.1
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+++ b/star/star.1
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@@ -913,9 +913,9 @@ archive format because of its limited portability.
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.B crc
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This format is similar to the
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.B asc
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-cpio format but in addition uses a simple byte based checksum called
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+cpio format but in addition uses a simple byte based checksum called here as
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.BR CRC .
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-Try to avoid the
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+This algorithm is simple Sum32 -- not a polynomial CRC. Try to avoid the
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.B crc
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archive format because of its limited portability.
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