1 files changed, 58 insertions, 0 deletions
diff --git a/crypto/heimdal/cf/broken-snprintf.m4 b/crypto/heimdal/cf/broken-snprintf.m4
new file mode 100644
index 0000000..efd69f0
--- /dev/null
+++ b/crypto/heimdal/cf/broken-snprintf.m4
@@ -0,0 +1,58 @@
+dnl $Id: broken-snprintf.m4,v 1.3 1999/03/01 09:52:22 joda Exp $
+dnl
+AC_DEFUN(AC_BROKEN_SNPRINTF, [
+AC_CACHE_CHECK(for working snprintf,ac_cv_func_snprintf_working,
+ac_cv_func_snprintf_working=yes
+AC_TRY_RUN([
+#include <stdio.h>
+#include <string.h>
+int main()
+{
+changequote(`,')dnl
+	char foo[3];
+changequote([,])dnl
+	snprintf(foo, 2, "12");
+	return strcmp(foo, "1");
+}],:,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_TRY_RUN([
+#include <stdio.h>
+#include <string.h>
+#include <stdarg.h>
+
+int foo(int num, ...)
+{
+changequote(`,')dnl
+	char bar[3];
+changequote([,])dnl
+	va_list arg;
+	va_start(arg, num);
+	vsnprintf(bar, 2, "%s", arg);
+	va_end(arg);
+	return strcmp(bar, "1");
+}
+
+
+int main()
+{
+	return foo(0, "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
+])