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gnu: patch: Set PATH_MAX for Hurd systems. 

* gnu/packages/patches/patch-hurd-path-max.patch: New file.
* gnu-system.am (dist_patch_DATA): Add it.
This commit is contained in:
Manolis Ragkousis 2015-06-08 16:19:58 +03:00
parent 1492801655
commit 16cae799db
3 changed files with 51 additions and 1 deletions
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1
gnu-system.am
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@ -505,6 +505,7 @@ dist_patch_DATA = \
gnu/packages/patches/patchelf-page-size.patch \
gnu/packages/patches/patchelf-rework-for-arm.patch \
gnu/packages/patches/patchutils-xfail-gendiff-tests.patch \
gnu/packages/patches/patch-hurd-path-max.patch \
gnu/packages/patches/pavucontrol-sigsegv.patch \
gnu/packages/patches/perl-gd-options-passthrough-and-fontconfig.patch \
gnu/packages/patches/perl-module-pluggable-search.patch \

3
gnu/packages/base.scm
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@ -161,7 +161,8 @@ standard utility.")
version ".tar.xz"))
(sha256
(base32
"16d2r9kpivaak948mxzc0bai45mqfw73m113wrkmbffnalv1b5gx"))))
"16d2r9kpivaak948mxzc0bai45mqfw73m113wrkmbffnalv1b5gx"))
(patches (list (search-patch "patch-hurd-path-max.patch")))))
(build-system gnu-build-system)
(native-inputs `(("ed", ed)))
(synopsis "Apply differences to originals, with optional backups")

48
gnu/packages/patches/patch-hurd-path-max.patch Normal file
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@ -0,0 +1,48 @@
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