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GNU C Library master sources branch master updated. glibc-2.21-390-gcf06a4e
- From: jsm28 at sourceware dot org
- To: glibc-cvs at sourceware dot org
- Date: 22 May 2015 17:09:58 -0000
- Subject: GNU C Library master sources branch master updated. glibc-2.21-390-gcf06a4e
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- Log -----------------------------------------------------------------
http://sourceware.org/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=cf06a4e3579d834c3330184c4ff127c98bc00fcc
commit cf06a4e3579d834c3330184c4ff127c98bc00fcc
Author: Joseph Myers <joseph@codesourcery.com>
Date: Fri May 22 17:09:36 2015 +0000
Fix pathconf basename namespace (bug 18444).
pathconf (sysdeps/unix/sysv/linux/pathconf.c) uses basename. But
pathconf is in POSIX back to 1990 while basename is only reserved with
external linkage in those standards including XPG functions. This
patch fixes this namespace issue in the usual way, renaming basename
to __basename and making it into a weak alias.
Tested for x86_64 and x86 (testsuite, and that disassembly of
installed shared libraries is unchanged by the patch).
[BZ #18444]
* string/basename.c (basename): Rename to __basename and define as
weak alias of __basename. Use libc_hidden_weak.
* include/string.h (__basename): Declare. Use libc_hidden_proto.
* sysdeps/unix/sysv/linux/pathconf.c (distinguish_extX): Call
__basename instead of basename.
* conform/Makefile (test-xfail-POSIX2008/unistd.h/linknamespace):
Remove variable.
(test-xfail-XOPEN2K8/unistd.h/linknamespace): Likewise.
diff --git a/ChangeLog b/ChangeLog
index 27267b1..6a44067 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,15 @@
+2015-05-22 Joseph Myers <joseph@codesourcery.com>
+
+ [BZ #18444]
+ * string/basename.c (basename): Rename to __basename and define as
+ weak alias of __basename. Use libc_hidden_weak.
+ * include/string.h (__basename): Declare. Use libc_hidden_proto.
+ * sysdeps/unix/sysv/linux/pathconf.c (distinguish_extX): Call
+ __basename instead of basename.
+ * conform/Makefile (test-xfail-POSIX2008/unistd.h/linknamespace):
+ Remove variable.
+ (test-xfail-XOPEN2K8/unistd.h/linknamespace): Likewise.
+
2015-05-18 Florian Weimer <fweimer@redhat.com>
* libio/libioP.h (_IO_MEMBER_TYPE, _IO_CAST_FIELD_ACCESS)
diff --git a/NEWS b/NEWS
index 324f437..56aa6d7 100644
--- a/NEWS
+++ b/NEWS
@@ -18,7 +18,7 @@ Version 2.22
18030, 18032, 18036, 18038, 18039, 18042, 18043, 18046, 18047, 18049,
18068, 18080, 18093, 18100, 18104, 18110, 18111, 18125, 18128, 18138,
18185, 18196, 18197, 18206, 18210, 18211, 18217, 18220, 18221, 18244,
- 18247, 18287, 18319, 18333, 18346, 18397, 18409, 18418, 18434.
+ 18247, 18287, 18319, 18333, 18346, 18397, 18409, 18418, 18434, 18444.
* Cache information can be queried via sysconf() function on s390 e.g. with
_SC_LEVEL1_ICACHE_SIZE as argument.
diff --git a/conform/Makefile b/conform/Makefile
index bdd7203..a81ed54 100644
--- a/conform/Makefile
+++ b/conform/Makefile
@@ -395,10 +395,8 @@ test-xfail-XOPEN2K/wordexp.h/linknamespace = yes
test-xfail-POSIX2008/grp.h/linknamespace = yes
test-xfail-POSIX2008/netdb.h/linknamespace = yes
test-xfail-POSIX2008/semaphore.h/linknamespace = yes
-test-xfail-POSIX2008/unistd.h/linknamespace = yes
test-xfail-XOPEN2K8/fmtmsg.h/linknamespace = yes
test-xfail-XOPEN2K8/grp.h/linknamespace = yes
test-xfail-XOPEN2K8/netdb.h/linknamespace = yes
test-xfail-XOPEN2K8/pwd.h/linknamespace = yes
test-xfail-XOPEN2K8/syslog.h/linknamespace = yes
-test-xfail-XOPEN2K8/unistd.h/linknamespace = yes
diff --git a/include/string.h b/include/string.h
index 034e295..89f00fd 100644
--- a/include/string.h
+++ b/include/string.h
@@ -82,6 +82,8 @@ libc_hidden_proto (__strndup)
libc_hidden_proto (__strerror_r)
libc_hidden_proto (__strverscmp)
libc_hidden_proto (basename)
+extern char *__basename (const char *__filename) __THROW __nonnull ((1));
+libc_hidden_proto (__basename)
libc_hidden_proto (strcoll)
libc_hidden_proto (__strcoll_l)
libc_hidden_proto (__strxfrm_l)
diff --git a/string/basename.c b/string/basename.c
index 5052ebf..4caabca 100644
--- a/string/basename.c
+++ b/string/basename.c
@@ -19,9 +19,11 @@
#include <string.h>
char *
-basename (const char *filename)
+__basename (const char *filename)
{
char *p = strrchr (filename, '/');
return p ? p + 1 : (char *) filename;
}
-libc_hidden_def (basename)
+libc_hidden_def (__basename)
+weak_alias (__basename, basename)
+libc_hidden_weak (basename)
diff --git a/sysdeps/unix/sysv/linux/pathconf.c b/sysdeps/unix/sysv/linux/pathconf.c
index e6fd7b5..37f308b 100644
--- a/sysdeps/unix/sysv/linux/pathconf.c
+++ b/sysdeps/unix/sysv/linux/pathconf.c
@@ -79,7 +79,7 @@ distinguish_extX (const struct statfs *fsbuf, const char *file, int fd)
if (n != -1 && n < sizeof (path))
{
path[n] = '\0';
- char *base = strdupa (basename (path));
+ char *base = strdupa (__basename (path));
__snprintf (path, sizeof (path), "/sys/fs/ext4/%s", base);
return __access (path, F_OK) == 0 ? EXT4_LINK_MAX : EXT2_LINK_MAX;
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 12 ++++++++++++
NEWS | 2 +-
conform/Makefile | 2 --
include/string.h | 2 ++
string/basename.c | 6 ++++--
sysdeps/unix/sysv/linux/pathconf.c | 2 +-
6 files changed, 20 insertions(+), 6 deletions(-)
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