| util.c (50471) | util.c (90111) |
|---|---|
| 1/*- 2 * Copyright (c) 1991, 1993, 1994 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 22 unchanged lines hidden (view full) --- 31 * SUCH DAMAGE. 32 */ 33 34#ifndef lint 35#if 0 36static char sccsid[] = "@(#)util.c 8.3 (Berkeley) 4/2/94"; 37#endif 38static const char rcsid[] = | 1/*- 2 * Copyright (c) 1991, 1993, 1994 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 22 unchanged lines hidden (view full) --- 31 * SUCH DAMAGE. 32 */ 33 34#ifndef lint 35#if 0 36static char sccsid[] = "@(#)util.c 8.3 (Berkeley) 4/2/94"; 37#endif 38static const char rcsid[] = |
| 39 "$FreeBSD: head/bin/stty/util.c 50471 1999-08-27 23:15:48Z peter $"; | 39 "$FreeBSD: head/bin/stty/util.c 90111 2002-02-02 06:50:57Z imp $"; |
| 40#endif /* not lint */ 41 42#include <sys/types.h> 43#include <sys/stat.h> 44 45#include <err.h> 46#include <stdio.h> 47#include <stdlib.h> --- 4 unchanged lines hidden (view full) --- 52 53/* 54 * Gross, but since we're changing the control descriptor from 1 to 0, most 55 * users will be probably be doing "stty > /dev/sometty" by accident. If 1 56 * and 2 are both ttys, but not the same, assume that 1 was incorrectly 57 * redirected. 58 */ 59void | 40#endif /* not lint */ 41 42#include <sys/types.h> 43#include <sys/stat.h> 44 45#include <err.h> 46#include <stdio.h> 47#include <stdlib.h> --- 4 unchanged lines hidden (view full) --- 52 53/* 54 * Gross, but since we're changing the control descriptor from 1 to 0, most 55 * users will be probably be doing "stty > /dev/sometty" by accident. If 1 56 * and 2 are both ttys, but not the same, assume that 1 was incorrectly 57 * redirected. 58 */ 59void |
| 60checkredirect() | 60checkredirect(void) |
| 61{ 62 struct stat sb1, sb2; 63 64 if (isatty(STDOUT_FILENO) && isatty(STDERR_FILENO) && 65 !fstat(STDOUT_FILENO, &sb1) && !fstat(STDERR_FILENO, &sb2) && 66 (sb1.st_rdev != sb2.st_rdev)) 67warnx("stdout appears redirected, but stdin is the control descriptor"); 68} | 61{ 62 struct stat sb1, sb2; 63 64 if (isatty(STDOUT_FILENO) && isatty(STDERR_FILENO) && 65 !fstat(STDOUT_FILENO, &sb1) && !fstat(STDERR_FILENO, &sb2) && 66 (sb1.st_rdev != sb2.st_rdev)) 67warnx("stdout appears redirected, but stdin is the control descriptor"); 68} |