Implement rtty in rio.c, rename to rtty.c

1 files changed, 0 insertions, 90 deletions

diff --git a/rio.c b/rio.c
deleted file mode 100644
index a36af2b..0000000
--- a/rio.c
+++ /dev/null
@@ -1,90 +0,0 @@
-#include <err.h>
-#include <fcntl.h>
-#include <stdio.h>
-#include <string.h>
-#include <sys/select.h>
-#include <unistd.h>
-
-#define MAXBUF 2048
-
-int
-main()
-{
-	char bufin[MAXBUF], bufout[MAXBUF], *bi, *bo;
-	fd_set rfds0, rfds1;
-	int c, fdin, fdout, flags, i, nin, nout, state;
-	struct timeval tv;
-
-	if(!(fdin = open("/var/tmp/r.in", O_WRONLY)))
-		err(1, "open");
-	if(!(fdout = open("/var/tmp/r.out", O_RDONLY)))
-		err(1, "open");
-
-	dprintf(fdin, "export TERM=tty43 PAGER=cat EDITOR=ed\n");
-
-	FD_ZERO(&rfds0);
-	FD_ZERO(&rfds1);
-
-	tv.tv_sec = 0;
-	tv.tv_usec = 1;
-
-	for(;;){
-		/*
-		 * User input is read from standard in and copied the
-		 * input pipe. It is saved in bufin for later use.
-		 */
-		FD_SET(0, &rfds0);
-		if(select(0+1, &rfds0, NULL, NULL, &tv) > 0){
-			nout = read(0, bufin, MAXBUF);
-			bufin[nout] = 0;
-			dprintf(fdin, "%s", bufin);
-			fflush(stdout);
-		}
-
-		/*
-		 * System output is read from the output pipe and copied
-		 * to standard out for the user to see.
-		 */
-		FD_SET(fdout, &rfds1);
-		if(select(fdout+1, &rfds1, NULL, NULL, &tv) > 0){
-			nout = read(fdout, bufout, MAXBUF);
-			if(!nout) continue;
-			bufout[nout] = 0;
-
-			/*
-			 * Bufin and bufout are copied to the temporary
-			 * pointers bi and bo. Bo is incremented in order
-			 * to skip any potential repetition of the command
-			 * given by the user on standard in. (It is assumed
-			 * that the typed command fits in bufin, i.e. is
-			 * not larger than MAXBUF.)
-			 */
-			bi = bufin;
-			bo = bufout;
-			for(;;){
-				if(*bo == '\n'){
-					bo++;
-					break;
-				}
-				if(*bo == 13){
-					bo++;
-					continue;
-				}
-				if(*bi != *bo){
-					bo = bufout;
-					break;
-				}
-				bi++; bo++;
-			}
-
-			/*
-			 * Bo is printed and bufin is cleared, so as not
-			 * to perform the skip again, incorrectly.
-			 */
-			printf("%s", bo);
-			fflush(stdout);
-			bufin[0] = 0;
-		}
-	}
-
-}