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- (djm) [configure.ac] We now require a working vsnprintf everywhere (not

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just for systems that lack asprintf); check for it always and extend
   test to catch more brokenness. Fixes builds on Solaris <= 9
This commit is contained in:
Damien Miller 2014-08-23 17:06:49 +10:00
parent 4cec036362
commit d244a5816f
2 changed files with 21 additions and 12 deletions
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3
ChangeLog
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@ -1,6 +1,9 @@
20140823
- (djm) [sshd.c] Ignore SIGXFSZ in preauth monitor child; can explode on
lastlog writing on platforms with high UIDs; bz#2263
- (djm) [configure.ac] We now require a working vsnprintf everywhere (not
just for systems that lack asprintf); check for it always and extend
test to catch more brokenness. Fixes builds on Solaris <= 9
20140822
- (djm) [configure.ac] include leading zero characters in OpenSSL version

26
configure.ac
View File

@ -1,4 +1,4 @@
# $Id: configure.ac,v 1.581 2014/08/22 08:06:21 djm Exp $
# $Id: configure.ac,v 1.582 2014/08/23 07:06:49 djm Exp $
#
# Copyright (c) 1999-2004 Damien Miller
#
@ -15,7 +15,7 @@
# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
AC_INIT([OpenSSH], [Portable], [openssh-unix-dev@mindrot.org])
AC_REVISION($Revision: 1.581 $)
AC_REVISION($Revision: 1.582 $)
AC_CONFIG_SRCDIR([ssh.c])
AC_LANG([C])
@ -1887,11 +1887,9 @@ if test "x$ac_cv_func_snprintf" = "xyes" ; then
)
fi
# If we don't have a working asprintf, then we strongly depend on vsnprintf
# returning the right thing on overflow: the number of characters it tried to
# create (as per SUSv3)
if test "x$ac_cv_func_asprintf" != "xyes" && \
test "x$ac_cv_func_vsnprintf" = "xyes" ; then
# We depend on vsnprintf returning the right thing on overflow: the
# number of characters it tried to create (as per SUSv3)
if test "x$ac_cv_func_vsnprintf" = "xyes" ; then
AC_MSG_CHECKING([whether vsnprintf returns correct values on overflow])
AC_RUN_IFELSE(
[AC_LANG_PROGRAM([[
@ -1901,13 +1899,21 @@ if test "x$ac_cv_func_asprintf" != "xyes" && \
int x_snprintf(char *str, size_t count, const char *fmt, ...)
{
size_t ret; va_list ap;
va_start(ap, fmt); ret = vsnprintf(str, count, fmt, ap); va_end(ap);
size_t ret;
va_list ap;
va_start(ap, fmt);
ret = vsnprintf(str, count, fmt, ap);
va_end(ap);
return ret;
}
]], [[
char x[1];
exit(x_snprintf(x, 1, "%s %d", "hello", 12345) == 11 ? 0 : 1);
if (x_snprintf(x, 1, "%s %d", "hello", 12345) != 11)
return 1;
if (x_snprintf(NULL, 0, "%s %d", "hello", 12345) != 11)
return 1;
return 0;
]])],
[AC_MSG_RESULT([yes])],
[