Update to rra-c-util 10.5

[kerberos/krb5-strength.git] / m4 / snprintf.m4

diff --git a/m4/snprintf.m4 b/m4/snprintf.m4
deleted file mode 100644 (file)
index e739bbf..0000000
--- a/m4/snprintf.m4
+++ /dev/null
@@ -1,62 +0,0 @@
-dnl Test for a working C99 snprintf.
-dnl
-dnl Check for a working snprintf.  Some systems have an snprintf that doesn't
-dnl nul-terminate if the buffer isn't large enough.  Others return -1 if the
-dnl string doesn't fit into the buffer instead of returning the number of
-dnl characters that would have been formatted.  Still others don't support
-dnl NULL as the buffer argument (just to get a count of the formatted length).
-dnl
-dnl Provides RRA_FUNC_SNPRINTF, which adds snprintf.o to LIBOBJS unless a
-dnl fully working snprintf is found.
-dnl
-dnl The canonical version of this file is maintained in the rra-c-util
-dnl package, available at <https://www.eyrie.org/~eagle/software/rra-c-util/>.
-dnl
-dnl Written by Russ Allbery <eagle@eyrie.org>
-dnl Copyright 2006, 2008-2009
-dnl     The Board of Trustees of the Leland Stanford Junior University
-dnl
-dnl This file is free software; the authors give unlimited permission to copy
-dnl and/or distribute it, with or without modifications, as long as this
-dnl notice is preserved.
-dnl
-dnl SPDX-License-Identifier: FSFULLR
-
-dnl Source used by RRA_FUNC_SNPRINTF.
-AC_DEFUN([_RRA_FUNC_SNPRINTF_SOURCE], [[
-#include <stdio.h>
-#include <stdarg.h>
-
-char buf[2];
-
-int
-test(char *format, ...)
-{
-    va_list args;
-    int count;
-
-    va_start(args, format);
-    count = vsnprintf(buf, sizeof buf, format, args);
-    va_end(args);
-    return count;
-}
-
-int
-main()
-{
-    return ((test("%s", "abcd") == 4 && buf[0] == 'a' && buf[1] == '\0'
-             && snprintf(NULL, 0, "%s", "abcd") == 4) ? 0 : 1);
-}
-]])
-
-dnl The user-callable test.
-AC_DEFUN([RRA_FUNC_SNPRINTF],
-[AC_CACHE_CHECK([for working snprintf], [rra_cv_func_snprintf_works],
-    [AC_RUN_IFELSE([AC_LANG_SOURCE([_RRA_FUNC_SNPRINTF_SOURCE])],
-        [rra_cv_func_snprintf_works=yes],
-        [rra_cv_func_snprintf_works=no],
-        [rra_cv_func_snprintf_works=no])])
- AS_IF([test x"$rra_cv_func_snprintf_works" = xyes],
-    [AC_DEFINE([HAVE_SNPRINTF], 1,
-        [Define if your system has a working snprintf function.])],
-    [AC_LIBOBJ([snprintf])])])