patch-2.2.16 linux/arch/s390/tools/hwc_cntl_key/hwc_cntl_key.c

• Lines: 70
• Date: Wed Jun 7 14:26:42 2000
• Orig file: v2.2.15/linux/arch/s390/tools/hwc_cntl_key/hwc_cntl_key.c
• Orig date: Wed Dec 31 16:00:00 1969

diff -urN v2.2.15/linux/arch/s390/tools/hwc_cntl_key/hwc_cntl_key.c linux/arch/s390/tools/hwc_cntl_key/hwc_cntl_key.c
@@ -0,0 +1,69 @@
+/*
+ * small application to set string that will be used as CNTL-C 
+ * employing a HWC terminal ioctl command
+ *
+ * returns:	number of written or read characters
+ *
+ * Copyright (C) 2000 IBM Corporation
+ * Author(s): Martin Peschke <peschke@fh-brandenburg.de>
+ */
+
+#include <string.h>
+#include <stdio.h>
+
+/* everything about the HWC terminal driver ioctl-commands */
+#include "../../../../drivers/s390/char/sclp_tty.h"
+
+/* standard input, should be our HWC tty */
+#define DESCRIPTOR 0
+
+int main(int argc, char *argv[], char *env[])
+{
+	unsigned char buf[HWC_TTY_MAX_CNTL_SIZE];
+
+	if (argc >= 2) {
+		if (strcmp(argv[1], "c") == 0 ||
+		    strcmp(argv[1], "C") == 0 ||
+		    strcmp(argv[1], "INTR_CHAR") == 0) {
+			if (argc == 2) {
+				ioctl(DESCRIPTOR, TIOCHWCTTYGINTRC, buf);
+				printf("%s\n", buf);
+				return strlen(buf);
+			} else return ioctl(DESCRIPTOR, TIOCHWCTTYSINTRC, argv[2]);
+// currently not yet implemented in HWC terminal driver
+#if 0
+		} else if (strcmp(argv[1], "d") == 0 ||
+                	   strcmp(argv[1], "D") == 0 ||
+                	   strcmp(argv[1], "EOF_CHAR") == 0) {
+	                if (argc == 2) {
+        	                ioctl(DESCRIPTOR, TIOCHWCTTYGEOFC, buf);
+                	        printf("%s\n", buf);
+                        	return strlen(buf);
+			} else return ioctl(DESCRIPTOR, TIOCHWCTTYSEOFC, argv[2]);
+	        } else if (strcmp(argv[1], "z") == 0 ||
+                	   strcmp(argv[1], "Z") == 0 ||
+                	   strcmp(argv[1], "SUSP_CHAR") == 0) {
+                	if (argc == 2) {
+                        	ioctl(DESCRIPTOR, TIOCHWCTTYGSUSPC, buf);
+                        	printf("%s\n", buf);
+                        	return strlen(buf);
+                	} else return ioctl(DESCRIPTOR, TIOCHWCTTYSSUSPC, argv[2]);
+        	} else if (strcmp(argv[1], "n") == 0 ||
+                   	   strcmp(argv[1], "N") == 0 ||
+                   	   strcmp(argv[1], "NEW_LINE") == 0) {
+                	if (argc == 2) {
+                        	ioctl(DESCRIPTOR, TIOCHWCTTYGNL, buf);
+                        	printf("%s\n", buf);
+                        	return strlen(buf);
+                	} else return ioctl(DESCRIPTOR, TIOCHWCTTYSNL, argv[2]);
+#endif
+		}
+	}
+
+	printf("usage: hwc_cntl_key <control-key> [<new string>]\n");
+	printf("  <control-key> ::= \"c\" | \"C\" | \"INTR_CHAR\" |\n");
+	printf("                    \"d\" | \"D\" | \"EOF_CHAR\" |\n");
+	printf("                    \"z\" | \"Z\" | \"SUSP_CHAR\" |\n");
+	printf("                    \"n\" | \"N\" | \"NEW_LINE\"\n");
+	return -1;
+}