37 lines
1.0 KiB
Diff
37 lines
1.0 KiB
Diff
--- tar-1.15.1/src/create.c.sparseTotals 2005-07-27 11:10:38.000000000 +0200
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+++ tar-1.15.1/src/create.c 2005-07-27 11:10:50.000000000 +0200
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@@ -332,16 +332,20 @@
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}
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-/* A file is not dumpable if
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+/* A file is considered dumpable if it is sparse and both --sparse and --totals
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+ are specified.
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+ Otherwise, it is dumpable unless any of the following conditions occur:
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+
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a) it is empty *and* world-readable, or
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b) current archive is /dev/null */
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bool
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file_dumpable_p (struct tar_stat_info *st)
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{
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- return !(dev_null_output
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- || (st->archive_file_size == 0
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- && (st->stat.st_mode & MODE_R) == MODE_R));
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+ if (dev_null_output)
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+ return totals_option && sparse_option && sparse_file_p (st);
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+ return !(st->archive_file_size == 0
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+ && (st->stat.st_mode & MODE_R) == MODE_R);
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}
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@@ -1437,7 +1441,7 @@
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else
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fd = -1;
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- if (sparse_option && sparse_file_p (st))
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+ if (fd != -1 && sparse_option && sparse_file_p (st))
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{
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status = sparse_dump_file (fd, st);
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if (status == dump_status_not_implemented)
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