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authorRoland McGrath <roland@hack.frob.com>2013-05-03 16:33:26 -0700
committerRoland McGrath <roland@hack.frob.com>2013-05-03 16:33:26 -0700
commitcc0e6ed81fa3ab0eeecfc576098b4522f0323c4b (patch)
treeef84d38f2a5bba357c20eb8c3a6135c2bb6746b8 /io
parent60bfd54cbb0c51ab95c52a7438509373b848c957 (diff)
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Consolidate definitions of _FORTIFY_SOURCE wrappers for open{,64}{,at}.
Diffstat (limited to 'io')
-rw-r--r--io/Makefile4
-rw-r--r--io/open.c14
-rw-r--r--io/open64.c13
-rw-r--r--io/open64_2.c29
-rw-r--r--io/open_2.c29
-rw-r--r--io/openat.c14
-rw-r--r--io/openat64.c14
-rw-r--r--io/openat64_2.c29
-rw-r--r--io/openat_2.c29
9 files changed, 126 insertions, 49 deletions
diff --git a/io/Makefile b/io/Makefile
index 86453d4..a7a8044 100644
--- a/io/Makefile
+++ b/io/Makefile
@@ -36,10 +36,10 @@ routines := \
statvfs fstatvfs statvfs64 fstatvfs64 \
umask chmod fchmod lchmod fchmodat \
mkdir mkdirat \
- open open64 openat openat64 close \
+ open open_2 open64 open64_2 openat openat_2 openat64 openat64_2 \
read write lseek lseek64 access euidaccess faccessat \
fcntl flock lockf lockf64 \
- dup dup2 dup3 pipe pipe2 \
+ close dup dup2 dup3 pipe pipe2 \
creat creat64 \
chdir fchdir \
getcwd getwd getdirname \
diff --git a/io/open.c b/io/open.c
index 89e8a78..b01ba6e 100644
--- a/io/open.c
+++ b/io/open.c
@@ -22,7 +22,6 @@
#include <stddef.h>
#include <stdio.h>
-extern char **__libc_argv attribute_hidden;
/* Open FILE with access OFLAG. If OFLAG includes O_CREAT,
a third argument is the file protection. */
@@ -57,15 +56,6 @@ weak_alias (__libc_open, open)
stub_warning (open)
-
-int
-__open_2 (file, oflag)
- const char *file;
- int oflag;
-{
- if (oflag & O_CREAT)
- __fortify_fail ("invalid open call: O_CREAT without mode");
-
- return __open (file, oflag);
-}
+/* __open_2 is a generic wrapper that calls __open.
+ So give a stub warning for that symbol too. */
stub_warning (__open_2)
diff --git a/io/open64.c b/io/open64.c
index 40d2bca..818d381 100644
--- a/io/open64.c
+++ b/io/open64.c
@@ -53,15 +53,6 @@ weak_alias (__libc_open64, open64)
stub_warning (open64)
-
-int
-__open64_2 (file, oflag)
- const char *file;
- int oflag;
-{
- if (oflag & O_CREAT)
- __fortify_fail ("invalid open64 call: O_CREAT without mode");
-
- return __open64 (file, oflag);
-}
+/* __open64_2 is a generic wrapper that calls __open64.
+ So give a stub warning for that symbol too. */
stub_warning (__open64_2)
diff --git a/io/open64_2.c b/io/open64_2.c
new file mode 100644
index 0000000..c9a83f9
--- /dev/null
+++ b/io/open64_2.c
@@ -0,0 +1,29 @@
+/* _FORTIFY_SOURCE wrapper for open64.
+ Copyright (C) 2013 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <fcntl.h>
+#include <stdio.h>
+
+int
+__open64_2 (const char *file, int oflag)
+{
+ if (oflag & O_CREAT)
+ __fortify_fail ("invalid open64 call: O_CREAT without mode");
+
+ return __open64 (file, oflag);
+}
diff --git a/io/open_2.c b/io/open_2.c
new file mode 100644
index 0000000..3b9fe28
--- /dev/null
+++ b/io/open_2.c
@@ -0,0 +1,29 @@
+/* _FORTIFY_SOURCE wrapper for open.
+ Copyright (C) 2013 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <fcntl.h>
+#include <stdio.h>
+
+int
+__open_2 (const char *file, int oflag)
+{
+ if (oflag & O_CREAT)
+ __fortify_fail ("invalid open call: O_CREAT without mode");
+
+ return __open (file, oflag);
+}
diff --git a/io/openat.c b/io/openat.c
index 16b1191..3722c58 100644
--- a/io/openat.c
+++ b/io/openat.c
@@ -75,16 +75,6 @@ libc_hidden_def (__openat)
weak_alias (__openat, openat)
stub_warning (openat)
-
-int
-__openat_2 (fd, file, oflag)
- int fd;
- const char *file;
- int oflag;
-{
- if (oflag & O_CREAT)
- __fortify_fail ("invalid openat call: O_CREAT without mode");
-
- return __openat (fd, file, oflag);
-}
+/* __openat_2 is a generic wrapper that calls __openat.
+ So give a stub warning for that symbol too. */
stub_warning (__openat_2)
diff --git a/io/openat64.c b/io/openat64.c
index fabfa5d..506da3c 100644
--- a/io/openat64.c
+++ b/io/openat64.c
@@ -68,16 +68,6 @@ libc_hidden_def (__openat64)
weak_alias (__openat64, openat64)
stub_warning (openat64)
-
-int
-__openat64_2 (fd, file, oflag)
- int fd;
- const char *file;
- int oflag;
-{
- if (oflag & O_CREAT)
- __fortify_fail ("invalid openat64 call: O_CREAT without mode");
-
- return __openat64 (fd, file, oflag);
-}
+/* __openat64_2 is a generic wrapper that calls __openat64.
+ So give a stub warning for that symbol too. */
stub_warning (__openat_2)
diff --git a/io/openat64_2.c b/io/openat64_2.c
new file mode 100644
index 0000000..e69fce4
--- /dev/null
+++ b/io/openat64_2.c
@@ -0,0 +1,29 @@
+/* _FORTIFY_SOURCE wrapper for openat64.
+ Copyright (C) 2013 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <fcntl.h>
+#include <stdio.h>
+
+int
+__openat64_2 (int fd, const char *file, int oflag)
+{
+ if (oflag & O_CREAT)
+ __fortify_fail ("invalid openat64 call: O_CREAT without mode");
+
+ return __openat64 (fd, file, oflag);
+}
diff --git a/io/openat_2.c b/io/openat_2.c
new file mode 100644
index 0000000..b423f1d
--- /dev/null
+++ b/io/openat_2.c
@@ -0,0 +1,29 @@
+/* _FORTIFY_SOURCE wrapper for openat.
+ Copyright (C) 2013 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <fcntl.h>
+#include <stdio.h>
+
+int
+__openat_2 (int fd, const char *file, int oflag)
+{
+ if (oflag & O_CREAT)
+ __fortify_fail ("invalid openat call: O_CREAT without mode");
+
+ return __openat (fd, file, oflag);
+}