040e373888
git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@15455 ec53bebd-3082-4978-b11e-865c3cabbd6b
64 lines
1.5 KiB
Plaintext
64 lines
1.5 KiB
Plaintext
dnl $Id$
|
|
dnl
|
|
AC_DEFUN([AC_BROKEN_SNPRINTF], [
|
|
AC_CACHE_CHECK(for working snprintf,ac_cv_func_snprintf_working,
|
|
ac_cv_func_snprintf_working=yes
|
|
AC_RUN_IFELSE([AC_LANG_SOURCE([[
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
int main(int argc, char **argv)
|
|
{
|
|
char foo[[3]];
|
|
snprintf(foo, 2, "12");
|
|
return strcmp(foo, "1") || snprintf(NULL, 0, "%d", 12) != 2;
|
|
}]])],[:],[ac_cv_func_snprintf_working=no],[:]))
|
|
|
|
if test "$ac_cv_func_snprintf_working" = yes; then
|
|
AC_DEFINE_UNQUOTED(HAVE_SNPRINTF, 1, [define if you have a working snprintf])
|
|
fi
|
|
if test "$ac_cv_func_snprintf_working" = yes; then
|
|
AC_NEED_PROTO([#include <stdio.h>],snprintf)
|
|
fi
|
|
])
|
|
|
|
AC_DEFUN([AC_BROKEN_VSNPRINTF],[
|
|
AC_CACHE_CHECK(for working vsnprintf,ac_cv_func_vsnprintf_working,
|
|
ac_cv_func_vsnprintf_working=yes
|
|
AC_RUN_IFELSE([AC_LANG_SOURCE([[
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <stdarg.h>
|
|
|
|
int foo(int num, ...)
|
|
{
|
|
char bar[[3]];
|
|
va_list arg;
|
|
va_start(arg, num);
|
|
vsnprintf(bar, 2, "%s", arg);
|
|
va_end(arg);
|
|
return strcmp(bar, "1");
|
|
}
|
|
|
|
int bar(int num, int len, ...)
|
|
{
|
|
int r;
|
|
va_list arg;
|
|
va_start(arg, len);
|
|
r = vsnprintf(NULL, 0, "%s", arg);
|
|
va_end(arg);
|
|
return r != len;
|
|
}
|
|
|
|
int main(int argc, char **argv)
|
|
{
|
|
return foo(0, "12") || bar(0, 2, "12");
|
|
}]])],[:],[ac_cv_func_vsnprintf_working=no],[:]))
|
|
|
|
if test "$ac_cv_func_vsnprintf_working" = yes; then
|
|
AC_DEFINE_UNQUOTED(HAVE_VSNPRINTF, 1, [define if you have a working vsnprintf])
|
|
fi
|
|
if test "$ac_cv_func_vsnprintf_working" = yes; then
|
|
AC_NEED_PROTO([#include <stdio.h>],vsnprintf)
|
|
fi
|
|
])
|