tests: remove unused cdiff.c

diff --git a/ci/clang_format.py b/ci/clang_format.py
index 7201ea2fdbc6df787f061eb43fd6a8a04093cbe6..a42aa1e0ff5a01910e4661e3e5b98eec9cd353b8 100644 (file)
--- a/ci/clang_format.py
+++ b/ci/clang_format.py
@@ -841,7 +841,6 @@ EXCLUDE = (
   "plugin/webp/gvplugin_webp.c",
   "plugin/xlib/gvdevice_xlib.c",
   "plugin/xlib/gvplugin_xlib.c",
-  "rtest/cdiff.c",
   "rtest/check-package-version.c",
   "tclpkg/gdtclft/gdtclft.c",
   "tclpkg/gv/gv.cpp",

diff --git a/rtest/cdiff.c b/rtest/cdiff.c
deleted file mode 100644 (file)
index 9743e5e..0000000
--- a/rtest/cdiff.c
+++ /dev/null
@@ -1,99 +0,0 @@
-/*************************************************************************
- * Copyright (c) 2011 AT&T Intellectual Property 
- * All rights reserved. This program and the accompanying materials
- * are made available under the terms of the Eclipse Public License v1.0
- * which accompanies this distribution, and is available at
- * http://www.eclipse.org/legal/epl-v10.html
- *
- * Contributors: See CVS logs. Details at http://www.graphviz.org/
- *************************************************************************/
-
-#include <errno.h>
-#include <stdio.h>
-#include <unistd.h>
-#include <stdlib.h>
-#include <string.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <fcntl.h>
-
-#include <cgraph/exit.h>
-
-static int openF(char *fname)
-{
-    int fd = open(fname, O_RDONLY);
-
-    if (fd < 0) {
-       fprintf(stderr, "Could not open %s for reading: %s\n\n", fname,
-               strerror(errno));
-       graphviz_exit(1);
-    }
-    return fd;
-}
-
-static int fileSize(int fd)
-{
-    struct stat sb;
-
-    fstat(fd, &sb);
-    return sb.st_size;
-}
-
-main(int argc, char *argv[])
-{
-    char *p1;
-    char *p2;
-    int i, count;
-    int f1, f2;
-    int l1, l2;
-    int n1, n2, n;
-    int xval, base, len;
-    char buf1[BUFSIZ];
-    char buf2[BUFSIZ];
-
-    if (argc != 3) {
-       fprintf(stderr, "Usage: %s <file1> <file2>\n", argv[0]);
-       graphviz_exit(1);
-    }
-
-    f1 = openF(argv[1]);
-    f2 = openF(argv[2]);
-
-    l1 = fileSize(f1);
-    l2 = fileSize(f2);
-    if (l1 < l2) {
-       len = l1;
-       base = l2;
-       count = l2 - l1;
-    } else {
-       len = l2;
-       base = l1;
-       count = l1 - l2;
-    }
-
-    i = 0;
-    while (i < len) {
-       n1 = read(f1, buf1, BUFSIZ);
-       n2 = read(f2, buf2, BUFSIZ);
-       if (n1 < n2)
-           n = i + n1;
-       else
-           n = i + n2;
-       p1 = buf1;
-       p2 = buf2;
-       while (i < n) {
-           if (*p1++ != *p2++)
-               count++;
-           i++;
-       }
-    }
-
-    if (count) {
-       printf("%d/%d(%f)\n", count, base, ((double) count) / base);
-       xval = 2;
-    } else
-       xval = 0;
-
-    graphviz_exit(xval);
-
-}