From: fredrik <fredrik@959494ce-11ee-0310-bf91-de5d638817bd>
Date: Sun, 23 Apr 2006 01:56:26 +0000 (+0000)
Subject: Initial import.
X-Git-Url: http://dolda2000.com/gitweb/?p=utils.git;a=commitdiff_plain;h=7cd2f3f149ec1a905b0effb2c46d19613acde887

Initial import.


git-svn-id: svn+ssh://svn.dolda2000.com/srv/svn/repos/src/utils@597 959494ce-11ee-0310-bf91-de5d638817bd
---

diff --git a/notty.c b/notty.c
new file mode 100644
index 0000000..3595811
--- /dev/null
+++ b/notty.c
@@ -0,0 +1,53 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <sys/ioctl.h>
+
+void usage(void)
+{
+    fprintf(stderr, "usage: notty PROGRAM [-r] [ARGS...]\n");
+}
+
+int main(int argc, char **argv)
+{
+    int tty, retain;
+    int c;
+    
+    retain = 0;
+    while((c = getopt(argc, argv, "r")) >= 0) {
+	switch(c) {
+	case 'r':
+	    retain = 1;
+	    break;
+	case '?':
+	case ':':
+	default:
+	    usage();
+	    exit(1);
+	}
+    }
+    if(argc - optind < 1) {
+	usage();
+	exit(1);
+    }
+    if((tty = open("/dev/tty", O_RDWR)) < 0) {
+	perror("/dev/tty");
+	exit(1);
+    }
+    if(ioctl(tty, TIOCNOTTY)) {
+	perror("TIOCNOTTY");
+	exit(1);
+    }
+    if(retain) {
+	if(tty != 3) {
+	    dup2(tty, 3);
+	    close(tty);
+	}
+    } else {
+	close(tty);
+    }
+    execvp(argv[optind], argv + optind);
+    perror(argv[optind]);
+    return(127);
+}