mirror of
https://git.in.rschanz.org/ryan77627/guix.git
synced 2024-12-27 14:52:05 -05:00
16cae799db
* gnu/packages/patches/patch-hurd-path-max.patch: New file. * gnu-system.am (dist_patch_DATA): Add it.
48 lines
1.8 KiB
Diff
48 lines
1.8 KiB
Diff
See <http://lists.gnu.org/archive/html/bug-patch/2015-06/msg00009.html>
|
|
|
|
From 0507dfad5f060161f01840067e1bb1615257b636 Mon Sep 17 00:00:00 2001
|
|
From: =?UTF-8?q?Ludovic=20Court=C3=A8s?= <ludo@gnu.org>
|
|
Date: Mon, 8 Jun 2015 17:27:56 +0200
|
|
Subject: [PATCH] Do not rely on PATH_MAX when reading a symlink target.
|
|
|
|
* src/util.c (move_file, copy_file): Use 'fromst->st_size + 1' and
|
|
'tost->st_size + 1' for the allocation, and 'fromst->st_size' and
|
|
'tost->st_size' instead of PATH_MAX. Fixes compilation on GNU/Hurd.
|
|
---
|
|
src/util.c | 8 ++++----
|
|
1 file changed, 4 insertions(+), 4 deletions(-)
|
|
|
|
diff --git a/src/util.c b/src/util.c
|
|
index 82a7e37..c4c0f9d 100644
|
|
--- a/src/util.c
|
|
+++ b/src/util.c
|
|
@@ -460,12 +460,12 @@ move_file (char const *from, bool *from_needs_removal,
|
|
|
|
/* FROM contains the contents of the symlink we have patched; need
|
|
to convert that back into a symlink. */
|
|
- char *buffer = xmalloc (PATH_MAX);
|
|
+ char *buffer = xmalloc (fromst->st_size + 1);
|
|
int fd, size = 0, i;
|
|
|
|
if ((fd = safe_open (from, O_RDONLY | O_BINARY, 0)) < 0)
|
|
pfatal ("Can't reopen file %s", quotearg (from));
|
|
- while ((i = read (fd, buffer + size, PATH_MAX - size)) > 0)
|
|
+ while ((i = read (fd, buffer + size, fromst->st_size - size)) > 0)
|
|
size += i;
|
|
if (i != 0 || close (fd) != 0)
|
|
read_fatal ();
|
|
@@ -610,9 +610,9 @@ copy_file (char const *from, char const *to, struct stat *tost,
|
|
|
|
if (S_ISLNK (mode))
|
|
{
|
|
- char *buffer = xmalloc (PATH_MAX);
|
|
+ char *buffer = xmalloc (tost->st_size + 1);
|
|
|
|
- if (safe_readlink (from, buffer, PATH_MAX) < 0)
|
|
+ if (safe_readlink (from, buffer, tost->st_size) < 0)
|
|
pfatal ("Can't read %s %s", "symbolic link", from);
|
|
if (safe_symlink (buffer, to) != 0)
|
|
pfatal ("Can't create %s %s", "symbolic link", to);
|
|
--
|
|
2.4.2
|
|
|