29 lines
1.0 KiB
Diff
29 lines
1.0 KiB
Diff
#! /bin/sh /usr/share/dpatch/dpatch-run
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## 08lfs.dpatch by <hesso@pool.math.tu-berlin.de>
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##
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## DP: Insert a safety check to save large files from being overwritten.
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@DPATCH@
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diff -Naur nvi-1.81.6.orig/common/exf.c nvi-1.81.6/common/exf.c
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--- nvi-1.81.6.orig/common/exf.c 2007-11-18 17:41:42.000000000 +0100
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+++ nvi-1.81.6/common/exf.c 2008-05-01 18:09:55.000000000 +0200
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@@ -157,6 +157,18 @@
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*/
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if (file_spath(sp, frp, &sb, &exists))
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return (1);
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+ /*
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+ * On LFS systems, it's possible that stat returned an error because
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+ * the file is >2GB, which nvi would normally treat as "doesn't exist"
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+ * and eventually overwrite. That's no good. Rather than mess with
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+ * every stat() call in file_spath, we'll just check again here.
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+ */
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+ if (!exists && stat(frp->name, &sb)) {
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+ if (errno == EOVERFLOW) {
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+ msgq(sp, M_ERR, "File too large (>2GB, probably)");
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+ goto err;
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+ }
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+ }
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/*
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* Check whether we already have this file opened in some
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