37 lines
867 B
Diff
37 lines
867 B
Diff
Avoid usage of PATH_MAX.
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Submitted to bug-less@gnu.org.
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From ef652341ed8b2c14ac40312ccd4ed329cb69fd0c Mon Sep 17 00:00:00 2001
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From: Jan Nieuwenhuizen <janneke@gnu.org>
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Date: Sat, 7 Mar 2020 14:57:19 +0100
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Subject: [PATCH] Avoid usage of PATH_MAX.
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* filename.c (lrealpath): Have realpath allocate the buffer. Fixes
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compilation on the Hurd and avoids possible buffer overflow on other
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systems.
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---
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filename.c | 6 +++---
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1 file changed, 3 insertions(+), 3 deletions(-)
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diff --git a/filename.c b/filename.c
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index e420837..faa71b0 100644
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--- a/filename.c
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+++ b/filename.c
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@@ -795,9 +795,9 @@ lrealpath(path)
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char *path;
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{
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#if HAVE_REALPATH
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- char rpath[PATH_MAX];
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- if (realpath(path, rpath) != NULL)
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- return (save(rpath));
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+ char *rpath = NULL;
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+ if ((rpath = realpath(path, rpath)) != NULL)
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+ return (rpath);
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#endif
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return (save(path));
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}
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--
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2.24.0
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