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-rw-r--r--sysdeps/unix/bsd/ptsname.c11
-rw-r--r--sysdeps/unix/getlogin.c9
-rw-r--r--sysdeps/unix/readdir_r.c14
-rw-r--r--sysdeps/unix/sysv/linux/getsysstats.c14
-rw-r--r--sysdeps/unix/sysv/linux/i386/fallocate.c8
-rw-r--r--sysdeps/unix/sysv/linux/i386/fallocate64.c8
-rw-r--r--sysdeps/unix/sysv/linux/i386/readdir64_r.c3
-rw-r--r--sysdeps/unix/sysv/linux/ifaddrs.c55
-rw-r--r--sysdeps/unix/sysv/linux/s390/s390-32/____longjmp_chk.c2
-rw-r--r--sysdeps/unix/sysv/linux/s390/s390-64/____longjmp_chk.c2
10 files changed, 89 insertions, 37 deletions
diff --git a/sysdeps/unix/bsd/ptsname.c b/sysdeps/unix/bsd/ptsname.c
index fd446a4b66..6063201b0f 100644
--- a/sysdeps/unix/bsd/ptsname.c
+++ b/sysdeps/unix/bsd/ptsname.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1998,2002 Free Software Foundation, Inc.
+/* Copyright (C) 1998,2002,2010 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
@@ -44,6 +44,7 @@ int
__ptsname_r (int fd, char *buf, size_t buflen)
{
int save_errno = errno;
+ int err;
struct stat st;
if (buf == NULL)
@@ -62,8 +63,12 @@ __ptsname_r (int fd, char *buf, size_t buflen)
return ERANGE;
}
- if (__ttyname_r (fd, buf, buflen) != 0)
- return errno;
+ err = __ttyname_r (fd, buf, buflen);
+ if (err != 0)
+ {
+ __set_errno (err);
+ return errno;
+ }
buf[sizeof (_PATH_DEV) - 1] = 't';
diff --git a/sysdeps/unix/getlogin.c b/sysdeps/unix/getlogin.c
index 4752685f86..7345af0886 100644
--- a/sysdeps/unix/getlogin.c
+++ b/sysdeps/unix/getlogin.c
@@ -33,6 +33,7 @@ getlogin (void)
{
char tty_pathname[2 + 2 * NAME_MAX];
char *real_tty_path = tty_pathname;
+ int err;
char *result = NULL;
static char name[UT_NAMESIZE + 1];
struct utmp *ut, line, buffer;
@@ -46,8 +47,12 @@ getlogin (void)
thing to do. Note that ttyname(open("/dev/tty")) on those
systems returns /dev/tty, so that is not a possible solution for
getlogin(). */
- if (__ttyname_r (0, real_tty_path, sizeof (tty_pathname)) != 0)
- return NULL;
+ err = __ttyname_r (0, real_tty_path, sizeof (tty_pathname));
+ if (err != 0)
+ {
+ __set_errno (err);
+ return NULL;
+ }
real_tty_path += 5; /* Remove "/dev/". */
diff --git a/sysdeps/unix/readdir_r.c b/sysdeps/unix/readdir_r.c
index f84709e737..93727912c1 100644
--- a/sysdeps/unix/readdir_r.c
+++ b/sysdeps/unix/readdir_r.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991,92,93,94,95,96,97,98,99,2000,02
+/* Copyright (C) 1991,92,93,94,95,96,97,98,99,2000,02,10
Free Software Foundation, Inc.
This file is part of the GNU C Library.
@@ -113,7 +113,17 @@ __READDIR_R (DIR *dirp, DIRENT_TYPE *entry, DIRENT_TYPE **result)
while (dp->d_ino == 0);
if (dp != NULL)
- *result = memcpy (entry, dp, reclen);
+ {
+#ifdef GETDENTS_64BIT_ALIGNED
+ /* The d_reclen value might include padding which is not part of
+ the DIRENT_TYPE data structure. */
+ reclen = MIN (reclen, sizeof (DIRENT_TYPE));
+#endif
+ *result = memcpy (entry, dp, reclen);
+#ifdef GETDENTS_64BIT_ALIGNED
+ entry->d_reclen = reclen;
+#endif
+ }
else
*result = NULL;
diff --git a/sysdeps/unix/sysv/linux/getsysstats.c b/sysdeps/unix/sysv/linux/getsysstats.c
index 97e20d249b..af454b650d 100644
--- a/sysdeps/unix/sysv/linux/getsysstats.c
+++ b/sysdeps/unix/sysv/linux/getsysstats.c
@@ -1,5 +1,5 @@
/* Determine various system internal values, Linux version.
- Copyright (C) 1996-2003, 2006, 2007, 2009 Free Software Foundation, Inc.
+ Copyright (C) 1996-2003,2006,2007,2009,2010 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
@@ -117,18 +117,6 @@ next_line (int fd, char *const buffer, char **cp, char **re,
if (nl == NULL)
nl = *re - 1;
}
- else if (nl + 5 >= *re)
- {
- memmove (buffer, nl, *re - nl);
- *re = buffer + (*re - nl);
- nl = *cp = buffer;
-
- ssize_t n = read_not_cancel (fd, *re, buffer_end - *re);
- if (n < 0)
- return NULL;
-
- *re += n;
- }
*cp = nl + 1;
assert (*cp <= *re);
diff --git a/sysdeps/unix/sysv/linux/i386/fallocate.c b/sysdeps/unix/sysv/linux/i386/fallocate.c
index 14e788386c..1434a833f9 100644
--- a/sysdeps/unix/sysv/linux/i386/fallocate.c
+++ b/sysdeps/unix/sysv/linux/i386/fallocate.c
@@ -30,7 +30,13 @@ int
fallocate (int fd, int mode, __off_t offset, __off_t len)
{
#ifdef __NR_fallocate
- return __call_fallocate (fd, mode, offset, len);
+ int err = __call_fallocate (fd, mode, offset, len);
+ if (__builtin_expect (err, 0))
+ {
+ __set_errno (err);
+ err = -1;
+ }
+ return err;
#else
__set_errno (ENOSYS);
return -1;
diff --git a/sysdeps/unix/sysv/linux/i386/fallocate64.c b/sysdeps/unix/sysv/linux/i386/fallocate64.c
index 85f315c9b6..063bab06e9 100644
--- a/sysdeps/unix/sysv/linux/i386/fallocate64.c
+++ b/sysdeps/unix/sysv/linux/i386/fallocate64.c
@@ -30,7 +30,13 @@ int
fallocate64 (int fd, int mode, __off64_t offset, __off64_t len)
{
#ifdef __NR_fallocate
- return __call_fallocate (fd, mode, offset, len);
+ int err = __call_fallocate (fd, mode, offset, len);
+ if (__builtin_expect (err, 0))
+ {
+ __set_errno (err);
+ err = -1;
+ }
+ return err;
#else
__set_errno (ENOSYS);
return -1;
diff --git a/sysdeps/unix/sysv/linux/i386/readdir64_r.c b/sysdeps/unix/sysv/linux/i386/readdir64_r.c
index c6da57b75e..f96f16a6f2 100644
--- a/sysdeps/unix/sysv/linux/i386/readdir64_r.c
+++ b/sysdeps/unix/sysv/linux/i386/readdir64_r.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2000, 2004 Free Software Foundation, Inc.
+/* Copyright (C) 2000, 2004, 2010 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
@@ -19,6 +19,7 @@
#define __READDIR_R __readdir64_r
#define __GETDENTS __getdents64
#define DIRENT_TYPE struct dirent64
+#define GETDENTS_64BIT_ALIGNED 1
#include <sysdeps/unix/readdir_r.c>
diff --git a/sysdeps/unix/sysv/linux/ifaddrs.c b/sysdeps/unix/sysv/linux/ifaddrs.c
index 149bd1c3ba..84f223ddbd 100644
--- a/sysdeps/unix/sysv/linux/ifaddrs.c
+++ b/sysdeps/unix/sysv/linux/ifaddrs.c
@@ -1,5 +1,5 @@
/* getifaddrs -- get names and addresses of all network interfaces
- Copyright (C) 2003-2008, 2009 Free Software Foundation, Inc.
+ Copyright (C) 2003-2008, 2009, 2010 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
@@ -315,17 +315,19 @@ map_newlink (int index, struct ifaddrs_storage *ifas, int *map, int max)
else if (map[i] == index)
return i;
}
- /* This should never be reached. If this will be reached, we have
- a very big problem. */
- abort ();
+
+ /* This means interfaces changed inbetween the reading of the
+ RTM_GETLINK and RTM_GETADDR information. We have to repeat
+ everything. */
+ return -1;
}
/* Create a linked list of `struct ifaddrs' structures, one for each
network interface on the host machine. If successful, store the
list in *IFAP and return 0. On errors, return -1 and set `errno'. */
-int
-getifaddrs (struct ifaddrs **ifap)
+static int
+getifaddrs_internal (struct ifaddrs **ifap)
{
struct netlink_handle nh = { 0, 0, 0, NULL, NULL };
struct netlink_res *nlp;
@@ -481,6 +483,13 @@ getifaddrs (struct ifaddrs **ifap)
kernel. */
ifa_index = map_newlink (ifim->ifi_index - 1, ifas,
map_newlink_data, newlink);
+ if (__builtin_expect (ifa_index == -1, 0))
+ {
+ try_again:
+ result = -EAGAIN;
+ free (ifas);
+ goto exit_free;
+ }
ifas[ifa_index].ifa.ifa_flags = ifim->ifi_flags;
while (RTA_OK (rta, rtasize))
@@ -565,9 +574,11 @@ getifaddrs (struct ifaddrs **ifap)
that we have holes in the interface part of the list,
but we always have already the interface for this address. */
ifa_index = newlink + newaddr_idx;
- ifas[ifa_index].ifa.ifa_flags
- = ifas[map_newlink (ifam->ifa_index - 1, ifas,
- map_newlink_data, newlink)].ifa.ifa_flags;
+ int idx = map_newlink (ifam->ifa_index - 1, ifas,
+ map_newlink_data, newlink);
+ if (__builtin_expect (idx == -1, 0))
+ goto try_again;
+ ifas[ifa_index].ifa.ifa_flags = ifas[idx].ifa.ifa_flags;
if (ifa_index > 0)
ifas[ifa_index - 1].ifa.ifa_next = &ifas[ifa_index].ifa;
++newaddr_idx;
@@ -747,9 +758,13 @@ getifaddrs (struct ifaddrs **ifap)
/* If we didn't get the interface name with the
address, use the name from the interface entry. */
if (ifas[ifa_index].ifa.ifa_name == NULL)
- ifas[ifa_index].ifa.ifa_name
- = ifas[map_newlink (ifam->ifa_index - 1, ifas,
- map_newlink_data, newlink)].ifa.ifa_name;
+ {
+ int idx = map_newlink (ifam->ifa_index - 1, ifas,
+ map_newlink_data, newlink);
+ if (__builtin_expect (idx == -1, 0))
+ goto try_again;
+ ifas[ifa_index].ifa.ifa_name = ifas[idx].ifa.ifa_name;
+ }
/* Calculate the netmask. */
if (ifas[ifa_index].ifa.ifa_addr
@@ -826,6 +841,22 @@ getifaddrs (struct ifaddrs **ifap)
return result;
}
+
+
+/* Create a linked list of `struct ifaddrs' structures, one for each
+ network interface on the host machine. If successful, store the
+ list in *IFAP and return 0. On errors, return -1 and set `errno'. */
+int
+getifaddrs (struct ifaddrs **ifap)
+{
+ int res;
+
+ do
+ res = getifaddrs_internal (ifap);
+ while (res == -EAGAIN);
+
+ return res;
+}
libc_hidden_def (getifaddrs)
diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/____longjmp_chk.c b/sysdeps/unix/sysv/linux/s390/s390-32/____longjmp_chk.c
index b28e587498..f2c1518572 100644
--- a/sysdeps/unix/sysv/linux/s390/s390-32/____longjmp_chk.c
+++ b/sysdeps/unix/sysv/linux/s390/s390-32/____longjmp_chk.c
@@ -46,7 +46,7 @@
{ \
if ((oss.ss_flags & SS_ONSTACK) == 0 \
|| ((uintptr_t) (oss.ss_sp + oss.ss_size) - new_sp \
- >= oss.ss_size)) \
+ < oss.ss_size)) \
__fortify_fail ("longjmp causes uninitialized stack frame");\
} \
} \
diff --git a/sysdeps/unix/sysv/linux/s390/s390-64/____longjmp_chk.c b/sysdeps/unix/sysv/linux/s390/s390-64/____longjmp_chk.c
index dcf58fb50b..261be250dc 100644
--- a/sysdeps/unix/sysv/linux/s390/s390-64/____longjmp_chk.c
+++ b/sysdeps/unix/sysv/linux/s390/s390-64/____longjmp_chk.c
@@ -46,7 +46,7 @@
{ \
if ((oss.ss_flags & SS_ONSTACK) == 0 \
|| ((uintptr_t) (oss.ss_sp + oss.ss_size) - new_sp \
- >= oss.ss_size)) \
+ < oss.ss_size)) \
__fortify_fail ("longjmp causes uninitialized stack frame");\
} \
} \
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