diff options
Diffstat (limited to 'xconsole.c')
| -rw-r--r-- | xconsole.c | 69 |
1 files changed, 43 insertions, 26 deletions
@@ -146,24 +146,36 @@ static XrmOptionDescRec options[] = { #include <os2.h> #endif -#ifndef USE_FILE -#include <sys/ioctl.h> -#ifdef hpux -#include <termios.h> -#endif -#ifdef SVR4 -#include <termios.h> -#include <sys/stropts.h> /* for I_PUSH */ -#ifdef sun -#include <sys/strredir.h> -#endif +#ifdef linux +#define USE_FILE +#define FILE_NAME "/dev/xconsole" +# if defined (__GLIBC__) && ((__GLIBC__ > 2) || (__GLIBC__ == 2) && (__GLIBC_MINOR__ >= 1)) +/* + * Linux distribution based on glibc 2.1 and higher should use + * devpts. This is the fallback if open file FILE_NAME fails. + * <werner@suse.de> + */ +# define USE_PTS +# endif #endif -#if defined(TIOCCONS) || defined(SRIOCSREDIR) || defined(Lynx) -#define USE_PTY +#if !defined (USE_FILE) || defined (linux) +# include <sys/ioctl.h> +# ifdef hpux +# include <termios.h> +# endif +# if defined (SVR4) || defined (USE_PTS) +# include <termios.h> +# include <sys/stropts.h> /* for I_PUSH */ +# ifdef sun +# include <sys/strredir.h> +# endif +# endif +# if defined(TIOCCONS) || defined(SRIOCSREDIR) || defined(Lynx) +# define USE_PTY static int tty_fd, pty_fd; static char ttydev[64], ptydev[64]; -#endif +# endif #endif #if (defined(SVR4) && !defined(sun)) || (defined(SYSV) && defined(i386)) @@ -200,15 +212,19 @@ OpenConsole(void) /* must be owner and have read/write permission */ #if !defined(__NetBSD__) && !defined(__OpenBSD__) && !defined(Lynx) && !defined(__UNIXOS2__) struct stat sbuf; - +# if !defined (linux) if (!stat("/dev/console", &sbuf) && (sbuf.st_uid == getuid()) && !access("/dev/console", R_OK|W_OK)) +# endif #endif { #ifdef USE_FILE +# ifdef linux + if (!stat(FILE_NAME, &sbuf)) +# endif input = fopen (FILE_NAME, "r"); -#ifdef __UNIXOS2__ +# ifdef __UNIXOS2__ if (input) { ULONG arg = 1,arglen; @@ -221,17 +237,18 @@ OpenConsole(void) input = 0; } } +# endif #endif -#endif + #ifdef USE_PTY - if (get_pty (&pty_fd, &tty_fd, ttydev, ptydev) == 0) + if (!input && get_pty (&pty_fd, &tty_fd, ttydev, ptydev) == 0) { -#ifdef TIOCCONS +# ifdef TIOCCONS int on = 1; if (ioctl (tty_fd, TIOCCONS, (char *) &on) != -1) input = fdopen (pty_fd, "r"); -#else -#ifndef Lynx +# else +# ifndef Lynx int consfd = open("/dev/console", O_RDONLY); if (consfd >= 0) { @@ -239,7 +256,7 @@ OpenConsole(void) input = fdopen (pty_fd, "r"); close(consfd); } -#else +# else if (newconsole(tty_fd) < 0) perror("newconsole"); else @@ -247,10 +264,10 @@ OpenConsole(void) input = fdopen (pty_fd, "r"); atexit(RestoreConsole); } -#endif -#endif +# endif +# endif } -#endif +#endif /* USE_PTY */ } #ifdef USE_OSM /* Don't have to be owner of /dev/console when using /dev/osm. */ @@ -775,7 +792,7 @@ ScrollLine(Widget w) static int get_pty(int *pty, int *tty, char *ttydev, char *ptydev) { -#ifdef SVR4 +#if defined (SVR4) || defined (USE_PTS) if ((*pty = open ("/dev/ptmx", O_RDWR)) < 0) return 1; grantpt(*pty); |