1 files changed, 46 insertions, 0 deletions
diff --git a/usr.sbin/pccard/pccardc/wrattr.c b/usr.sbin/pccard/pccardc/wrattr.c
new file mode 100644
index 0000000..d8e980f
--- /dev/null
+++ b/usr.sbin/pccard/pccardc/wrattr.c
@@ -0,0 +1,46 @@
+#include <stdio.h>
+#include <sys/types.h>
+#include <sys/ioctl.h>
+
+#include <pccard/card.h>
+
+int
+wrattr_main(argc, argv)
+int	argc;
+char	*argv[];
+{
+int reg,value;
+char	name[64], c;
+int	fd;
+off_t offs;
+
+	if (argc != 4)
+		{
+		fprintf(stderr, "usage: wrmem slot offs value\n");
+		exit(1);
+		}
+	sprintf(name, "/dev/card%d", atoi(argv[1]));
+	fd = open(name, 2);
+	if (fd < 0)
+		{
+		perror(name);
+		exit(1);
+		}
+	reg = MDF_ATTR;
+	if (ioctl(fd, PIOCRWFLAG, &reg))
+		{
+		perror("ioctl (PIOCRWFLAG)");
+		exit(1);
+		}
+	if (sscanf(argv[2], "%x", &reg) != 1 ||
+	    sscanf(argv[3], "%x", &value) != 1)
+		{
+		fprintf(stderr, "arg error\n");
+		exit(1);
+		}
+	offs = reg;
+	c = value;
+	lseek(fd, offs, SEEK_SET);
+	if (write(fd, &c, 1) != 1)
+		perror(name);
+}