1 files changed, 103 insertions, 0 deletions
diff --git a/core/org.eclipse.cdt.core.qnx/library/pty/openpty.c b/core/org.eclipse.cdt.core.qnx/library/pty/openpty.c
new file mode 100644
index 00000000000..a946423199b
--- /dev/null
+++ b/core/org.eclipse.cdt.core.qnx/library/pty/openpty.c
@@ -0,0 +1,103 @@
+/*
+ * (c) Copyright QNX Software Systems Ltd. 2002.
+ * All Rights Reserved.
+ *
+ */
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <sys/ioctl.h>
+#include <fcntl.h>
+#include <termios.h>
+#include <errno.h>
+#include <unistd.h>
+#include <stdio.h>
+#include <string.h>
+#include <grp.h>
+
+#include <stdlib.h>
+
+/**
+ * This is taken from R. W. Stevens book.
+ * Alain Magloire.
+ */
+
+int ptym_open (char *pts_name);
+int ptys_open (int fdm, char * pts_name);
+
+int
+openpty(int *amaster, int *aslave, char *name, struct termios *termp, struct winsize *winp)
+{
+	char line[20];
+	line[0]=0;
+	*amaster = ptym_open(line);
+	if (*amaster < 0)
+		return -1;
+	*aslave = ptys_open(*amaster, line);
+	if (*aslave < 0) {
+		close(*amaster);
+		return -1;
+	}
+	if (name)
+		strcpy(name, line);
+#ifndef TCSAFLUSH
+#define TCSAFLUSH TCSETAF
+#endif
+	if (termp)
+		(void) tcsetattr(*aslave, TCSAFLUSH, termp);
+#ifdef TIOCSWINSZ
+	if (winp)
+		(void) ioctl(*aslave, TIOCSWINSZ, (char *)winp);
+#endif
+	return 0;
+}
+
+int
+ptym_open(char * pts_name)
+{
+	char *ptr1, *ptr2;
+
+	strcpy(pts_name, "/dev/ptyXY");
+	/* array index: 012345689 (for references in following code) */
+	for (ptr1 = "pqrstuvwxyzPQRST"; *ptr1 != 0; ptr1++) {
+		pts_name[8] = *ptr1;
+		for (ptr2 = "0123456789abcdef"; *ptr2 != 0; ptr2++) {
+			pts_name[9] = *ptr2;
+			/* try to open master */
+			fdm = open(pts_name, O_RDWR);
+			if (fdm < 0) {
+				if (errno == ENOENT) {/* different from EIO */
+					return -1;  /* out of pty devices */
+				} else {
+					continue;  /* try next pty device */
+				}
+			}
+			pts_name[5] = 't'; /* chage "pty" to "tty" */
+			return fdm;   /* got it, return fd of master */
+		}
+	}
+	return -1; /* out of pty devices */
+}
+
+int
+ptys_open(int fdm, char * pts_name)
+{
+	int gid;
+	struct group *grptr;
+
+	grptr = getgrnam("tty");
+	if (grptr != NULL) {
+		gid = grptr->gr_gid;
+	} else {
+		gid = -1;  /* group tty is not in the group file */
+	}
+
+	/* following two functions don't work unless we're root */
+	chown(pts_name, getuid(), gid);
+	chmod(pts_name, S_IRUSR | S_IWUSR | S_IWGRP);
+	fds = open(pts_name, O_RDWR);
+	if (fds < 0) {
+		close(fdm);
+		return -1;
+	}
+	return fds;
+}