summaryrefslogtreecommitdiff
path: root/tools/evemu-describe.c
diff options
context:
space:
mode:
Diffstat (limited to 'tools/evemu-describe.c')
-rw-r--r--tools/evemu-describe.c64
1 files changed, 64 insertions, 0 deletions
diff --git a/tools/evemu-describe.c b/tools/evemu-describe.c
new file mode 100644
index 0000000..ec6b1ef
--- /dev/null
+++ b/tools/evemu-describe.c
@@ -0,0 +1,64 @@
1/*****************************************************************************
2 *
3 * evemu - Kernel device emulation
4 *
5 * Copyright (C) 2010 Henrik Rydberg <rydberg@euromail.se>
6 * Copyright (C) 2010 Canonical Ltd.
7 *
8 * Permission is hereby granted, free of charge, to any person obtaining a
9 * copy of this software and associated documentation files (the "Software"),
10 * to deal in the Software without restriction, including without limitation
11 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
12 * and/or sell copies of the Software, and to permit persons to whom the
13 * Software is furnished to do so, subject to the following conditions:
14 *
15 * The above copyright notice and this permission notice (including the next
16 * paragraph) shall be included in all copies or substantial portions of the
17 * Software.
18 *
19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
20 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
21 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
22 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
23 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
24 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
25 * DEALINGS IN THE SOFTWARE.
26 *
27 ****************************************************************************/
28
29#include "evemu.h"
30#include <stdio.h>
31#include <fcntl.h>
32#include <string.h>
33
34static int describe_device(int fd)
35{
36 struct evemu_device dev;
37 int ret;
38
39 ret = evemu_extract(&dev, fd);
40 if (ret)
41 return ret;
42 evemu_write(&dev, stdout);
43
44 return 0;
45}
46
47int main(int argc, char *argv[])
48{
49 int fd;
50 if (argc < 2) {
51 fprintf(stderr, "Usage: %s <device>\n", argv[0]);
52 return -1;
53 }
54 fd = open(argv[1], O_RDONLY);
55 if (fd < 0) {
56 fprintf(stderr, "error: could not open device\n");
57 return -1;
58 }
59 if (describe_device(fd)) {
60 fprintf(stderr, "error: could not describe device\n");
61 }
62 close(fd);
63 return 0;
64}