Update gnulib files.

diff --git a/gl/m4/ungetc.m4 b/gl/m4/ungetc.m4
new file mode 100644 (file)
index 0000000..9236d4c
--- /dev/null
+++ b/gl/m4/ungetc.m4
@@ -0,0 +1,36 @@
+# ungetc.m4 serial 1
+dnl Copyright (C) 2009 Free Software Foundation, Inc.
+dnl This file is free software; the Free Software Foundation
+dnl gives unlimited permission to copy and/or distribute it,
+dnl with or without modifications, as long as this notice is preserved.
+
+AC_DEFUN_ONCE([gl_FUNC_UNGETC_WORKS],
+[
+  AC_REQUIRE([AC_PROG_CC])
+
+  AC_CACHE_CHECK([whether ungetc works on arbitrary bytes],
+    [gl_cv_func_ungetc_works],
+    [AC_RUN_IFELSE([AC_LANG_PROGRAM([[
+#include <stdio.h>
+      ]], [FILE *f; long l;
+          if (!(f = fopen ("conftest.tmp", "w+"))) return 1;
+          if (fputs ("abc", f) < 0) return 2;
+          rewind (f);
+          if (fgetc (f) != 'a') return 3;
+          if (fgetc (f) != 'b') return 4;
+          if (ungetc ('d', f) != 'd') return 5;
+          if (ftell (f) != 1) return 6;
+          if (fgetc (f) != 'd') return 7;
+          if (ftell (f) != 2) return 8;
+          if (fseek (f, 0, SEEK_CUR) != 0) return 9;
+          if (ftell (f) != 2) return 10;
+          if (fgetc (f) != 'c') return 11;
+          fclose (f); remove ("conftest.tmp");])],
+       [gl_cv_func_ungetc_works=yes], [gl_cv_func_ungetc_works=no],
+       [gl_cv_func_ungetc_works='guessing no'])
+    ])
+  if test "$gl_cv_func_ungetc_works" != yes; then
+    AC_DEFINE([FUNC_UNGETC_BROKEN], [1],
+      [Define to 1 if ungetc is broken when used on arbitrary bytes.])
+  fi
+])

diff --git a/lib/gl/m4/ungetc.m4 b/lib/gl/m4/ungetc.m4
new file mode 100644 (file)
index 0000000..9236d4c
--- /dev/null
+++ b/lib/gl/m4/ungetc.m4
@@ -0,0 +1,36 @@
+# ungetc.m4 serial 1
+dnl Copyright (C) 2009 Free Software Foundation, Inc.
+dnl This file is free software; the Free Software Foundation
+dnl gives unlimited permission to copy and/or distribute it,
+dnl with or without modifications, as long as this notice is preserved.
+
+AC_DEFUN_ONCE([gl_FUNC_UNGETC_WORKS],
+[
+  AC_REQUIRE([AC_PROG_CC])
+
+  AC_CACHE_CHECK([whether ungetc works on arbitrary bytes],
+    [gl_cv_func_ungetc_works],
+    [AC_RUN_IFELSE([AC_LANG_PROGRAM([[
+#include <stdio.h>
+      ]], [FILE *f; long l;
+          if (!(f = fopen ("conftest.tmp", "w+"))) return 1;
+          if (fputs ("abc", f) < 0) return 2;
+          rewind (f);
+          if (fgetc (f) != 'a') return 3;
+          if (fgetc (f) != 'b') return 4;
+          if (ungetc ('d', f) != 'd') return 5;
+          if (ftell (f) != 1) return 6;
+          if (fgetc (f) != 'd') return 7;
+          if (ftell (f) != 2) return 8;
+          if (fseek (f, 0, SEEK_CUR) != 0) return 9;
+          if (ftell (f) != 2) return 10;
+          if (fgetc (f) != 'c') return 11;
+          fclose (f); remove ("conftest.tmp");])],
+       [gl_cv_func_ungetc_works=yes], [gl_cv_func_ungetc_works=no],
+       [gl_cv_func_ungetc_works='guessing no'])
+    ])
+  if test "$gl_cv_func_ungetc_works" != yes; then
+    AC_DEFINE([FUNC_UNGETC_BROKEN], [1],
+      [Define to 1 if ungetc is broken when used on arbitrary bytes.])
+  fi
+])