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-rw-r--r--usr.bin/kmsg/kmsg.c62
1 files changed, 62 insertions, 0 deletions
diff --git a/usr.bin/kmsg/kmsg.c b/usr.bin/kmsg/kmsg.c
new file mode 100644
index 0000000..678ad8c
--- /dev/null
+++ b/usr.bin/kmsg/kmsg.c
@@ -0,0 +1,62 @@
+/*
+ * Copyright (c) 2023-2025 Ian Marco Moffett and the Osmora Team.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of Hyra nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <sys/types.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <string.h>
+
+int
+main(void)
+{
+ int mfd, cons_fd;
+ ssize_t retval;
+ char linebuf[256];
+
+ if ((mfd = open("/dev/kmsg", O_RDONLY)) < 0) {
+ return mfd;
+ }
+ if ((cons_fd = open("/dev/console", O_WRONLY)) < 0) {
+ close(mfd);
+ return cons_fd;
+ }
+
+ for (;;) {
+ retval = read(mfd, linebuf, sizeof(linebuf) - 1);
+ if (retval <= 0) {
+ break;
+ }
+ linebuf[retval] = '\0';
+ write(cons_fd, linebuf, strlen(linebuf));
+ }
+
+ close(cons_fd);
+ close(mfd);
+ return 0;
+}