35 lines
1.2 KiB
Diff
35 lines
1.2 KiB
Diff
From 11163675818ab877f20d3740a7c3e59d565b8e9c Mon Sep 17 00:00:00 2001
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From: Paul Eggert <eggert@cs.ucla.edu>
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Date: Sat, 6 Apr 2024 15:18:04 -0700
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Subject: [PATCH] =?UTF-8?q?split:=20don=E2=80=99t=20trust=20st=5Fsize=20on?=
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=?UTF-8?q?=20/proc=20files?=
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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* src/split.c (create): Don’t trust st_size == 0.
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---
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src/split.c | 6 ++----
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1 file changed, 2 insertions(+), 4 deletions(-)
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diff --git a/src/split.c b/src/split.c
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index a32b2d9..862f94b 100644
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--- a/src/split.c
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+++ b/src/split.c
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@@ -489,10 +489,8 @@ create (char const *name)
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if (SAME_INODE (in_stat_buf, out_stat_buf))
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error (EXIT_FAILURE, 0, _("%s would overwrite input; aborting"),
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quoteaf (name));
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- bool regularish
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- = S_ISREG (out_stat_buf.st_mode) || S_TYPEISSHM (&out_stat_buf);
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- if (! (regularish && out_stat_buf.st_size == 0)
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- && ftruncate (fd, 0) < 0 && regularish)
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+ if (ftruncate (fd, 0) < 0
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+ && (S_ISREG (out_stat_buf.st_mode) || S_TYPEISSHM (&out_stat_buf)))
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error (EXIT_FAILURE, errno, _("%s: error truncating"), quotef (name));
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return fd;
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--
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2.27.0
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