7baa8c7898
* gnu/packages/patches/less-hurd-path-max.patch: New file. * gnu/local.mk (dist_patch_DATA): Add it. * gnu/packages/less.scm (less): Use it.
36 lines
867 B
Diff
36 lines
867 B
Diff
Avoid usage of PATH_MAX.
|
|
|
|
Submitted to bug-less@gnu.org.
|
|
|
|
From ef652341ed8b2c14ac40312ccd4ed329cb69fd0c Mon Sep 17 00:00:00 2001
|
|
From: Jan Nieuwenhuizen <janneke@gnu.org>
|
|
Date: Sat, 7 Mar 2020 14:57:19 +0100
|
|
Subject: [PATCH] Avoid usage of PATH_MAX.
|
|
|
|
* filename.c (lrealpath): Have realpath allocate the buffer. Fixes
|
|
compilation on the Hurd and avoids possible buffer overflow on other
|
|
systems.
|
|
---
|
|
filename.c | 6 +++---
|
|
1 file changed, 3 insertions(+), 3 deletions(-)
|
|
|
|
diff --git a/filename.c b/filename.c
|
|
index e420837..faa71b0 100644
|
|
--- a/filename.c
|
|
+++ b/filename.c
|
|
@@ -795,9 +795,9 @@ lrealpath(path)
|
|
char *path;
|
|
{
|
|
#if HAVE_REALPATH
|
|
- char rpath[PATH_MAX];
|
|
- if (realpath(path, rpath) != NULL)
|
|
- return (save(rpath));
|
|
+ char *rpath = NULL;
|
|
+ if ((rpath = realpath(path, rpath)) != NULL)
|
|
+ return (rpath);
|
|
#endif
|
|
return (save(path));
|
|
}
|
|
--
|
|
2.24.0
|
|
|