From 3cff136600d3450105b7f7274f5033895827fa3b Mon Sep 17 00:00:00 2001
From: Florent Villard <warly@mandriva.com>
Date: Tue, 26 Feb 2002 13:03:50 +0000
Subject: added fb tools: fbresolution to detect current framebuffer resolution
 progress to display a colord rectangle in framebuffer

---
 fb/fbresolution.c | 86 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 86 insertions(+)
 create mode 100644 fb/fbresolution.c

(limited to 'fb/fbresolution.c')

diff --git a/fb/fbresolution.c b/fb/fbresolution.c
new file mode 100644
index 0000000..06a6cd9
--- /dev/null
+++ b/fb/fbresolution.c
@@ -0,0 +1,86 @@
+/*
+ * framebuffer tool, inspired from fbi ((c) 1998,99 Gerd Knorr <kraxel@goldbach.in-berlin.de>)
+ *
+ * (c) 2002 Florent Villard (warly@mandrakesoft.com)
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <getopt.h>
+#include <sys/ioctl.h>
+#include <linux/fb.h>
+
+int fd;
+static int fb;
+struct fb_var_screeninfo   fb_var;
+
+struct option fbresol_options[] = {
+    {"version",    no_argument,       NULL, 'v'},  /* version */
+    {"help",       no_argument,       NULL, 'h'},  /* help */
+    {0,0,0,0}
+};
+
+void
+version(void)
+{
+    fprintf(stderr, "fbresolution version " VERSION
+	    " (c) 2002 Florent Villard <warly@mandrakesoft.com>; compiled on %s.\n", __DATE__ );
+}
+
+void
+usage(char *name)
+{
+    char *h;
+    h = strrchr(name, '/');
+    fprintf(stderr,
+	    "\n"
+	    "This program output the current framebuffer resolution.\n"
+	    "\n"
+	    "  Usage: %s [ options ]\n"
+	    "\n"
+	    "    --help       [-h]      Print this text\n"
+	    "    --version    [-v]      Show the %s version number\n"
+	    "\n"
+	    "\n"
+	    ,h ? h + 1 : name, h ? h + 1 : name);
+}
+
+int
+main(int argc, char *argv[])
+{
+    int opt_index = 0;
+    int c;
+    for (;;) {
+	c = getopt_long(argc, argv, "vhnd:t:", fbresol_options, &opt_index);
+	if (c == -1)
+	    break;
+	switch (c) {
+	case 'v':
+	    version();
+	    exit(1);
+	    break;
+	default:
+	case 'h':
+	    usage(argv[0]);
+	    exit(1);
+	}
+    }
+    if (optind > argc) {
+	usage(argv[0]);
+	exit(1);
+    }
+    if (-1 == (fb = open("/dev/fb0",O_RDWR /* O_WRONLY */))) {
+	fprintf(stderr,"open /dev/fb0: %s\n",strerror(errno));
+	exit(1);
+    }
+    if (-1 == ioctl(fb,FBIOGET_VSCREENINFO,&fb_var)) {
+	perror("ioctl FBIOGET_VSCREENINFO");
+	exit(1);
+    }
+    printf("%dx%d\n",fb_var.xres,fb_var.yres);
+    return 0;
+}
-- 
cgit v1.2.1