get rid of evil gstosshelper (intended for use with LD_PRELOAD)

Original commit message from CVS:
get rid of evil gstosshelper (intended for use with LD_PRELOAD)

1 files changed, 0 insertions, 401 deletions

diff --git a/sys/oss/gstosshelper.c b/sys/oss/gstosshelper.c
deleted file mode 100644
index ffae6be7..00000000
--- a/sys/oss/gstosshelper.c
+++ /dev/null
@@ -1,401 +0,0 @@
-/* Evil evil evil hack to get OSS apps to cooperate with esd
- * Copyright (C) 1998, 1999 Manish Singh <yosh@gimp.org>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public
- * License along with this library; if not, write to the
- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA.
- */
-
-/*#define DSP_DEBUG  */
-
-/* This lets you run multiple instances of x11amp by setting the X11AMPNUM
-   environment variable. Only works on glibc2.
- */
-/* #define MULTIPLE_X11AMP */
-
-#if defined(__GNUC__) && !defined(__STRICT_ANSI__)
-
-#ifdef DSP_DEBUG
-#define DPRINTF(format, args...)	printf(format, ## args)
-#else
-#define DPRINTF(format, args...)
-#endif
-
-
-#include "config.h"
-
-#include <dlfcn.h>
-#include <stdarg.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-#include <fcntl.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <stdio.h>
-
-#include <errno.h>
-
-#ifdef HAVE_MACHINE_SOUNDCARD_H
-#  include <machine/soundcard.h>
-#else
-#  ifdef HAVE_SOUNDCARD_H
-#    include <soundcard.h>
-#  else
-#    include <sys/soundcard.h>
-#  endif
-#endif
-
-#include "gstosshelper.h"
-
-/* BSDI has this functionality, but not define :() */
-#if defined(RTLD_NEXT)
-#define REAL_LIBC RTLD_NEXT
-#else
-#define REAL_LIBC ((void *) -1L)
-#endif
-
-#if defined(__FreeBSD__) || defined(__bsdi__)
-typedef unsigned long request_t;
-#else
-typedef int request_t;
-#endif
-
-static int sndfd = -1;
-static int new_format = 1;
-static int fmt = AFMT_S16_LE;
-static int speed = 44100;
-static int stereo = 1;
-
-int
-open (const char *pathname, int flags, ...)
-{
-  static int (*func) (const char *, int, mode_t) = NULL;
-  va_list args;
-  mode_t mode;
-
-  if (!func)
-    func = (int (*) (const char *, int, mode_t)) dlsym (REAL_LIBC, "open");
-
-  va_start (args, flags);
-  mode = va_arg (args, mode_t);
-  va_end (args);
-
-  if (!strcmp (pathname, "/dev/dsp")) {
-      DPRINTF ("hijacking /dev/dsp open, and taking it to GStreamer...\n");
-      return (sndfd = HELPER_MAGIC_SNDFD);
-  }
-  return (sndfd = (*func) (pathname, flags, mode));
-}
-
-static int
-dspctl (int fd, request_t request, void *argp)
-{
-  int *arg = (int *) argp;
-
-  DPRINTF ("hijacking /dev/dsp ioctl, and sending it to GStreamer "
-	   "(%d : %x - %p)\n", fd, request, argp);
-  
-  switch (request)
-  {
-    case SNDCTL_DSP_RESET:
-    case SNDCTL_DSP_POST:
-      break;
-
-    case SNDCTL_DSP_SETFMT:
-      fmt = *arg;
-      new_format = 1;
-      break;
-
-    case SNDCTL_DSP_SPEED:
-      speed = *arg;
-      new_format = 1;
-      break;
-
-    case SNDCTL_DSP_STEREO:
-      stereo = *arg;
-      new_format = 1;
-      break;
-
-    case SNDCTL_DSP_GETBLKSIZE:
-      *arg = 4096;
-      break;
-
-    case SNDCTL_DSP_GETFMTS:
-      *arg = 0x38;
-      break;
-
-#ifdef SNDCTL_DSP_GETCAPS
-    case SNDCTL_DSP_GETCAPS:
-      *arg = 0;
-      break;
-#endif
-
-    case SNDCTL_DSP_GETOSPACE:
-      {
-	audio_buf_info *bufinfo = (audio_buf_info *) argp;
-	bufinfo->bytes = 4096;
-      }
-      break;
-
-
-    default:
-      DPRINTF ("unhandled /dev/dsp ioctl (%x - %p)\n", request, argp);
-      break;
-  }
-
-  return 0;
-}
-
-void *
-mmap(void *start, size_t length, int prot , int flags, int fd, off_t offset)
-{
-  static void * (*func) (void *, size_t, int, int, int, off_t) = NULL;
-
-  if (!func)
-    func = (void * (*) (void *, size_t, int, int, int, off_t)) dlsym (REAL_LIBC, "mmap");
-
-  if ((fd == sndfd) && (sndfd != -1))
-  {
-    DPRINTF("MMAP: oops... we're in trouble here. /dev/dsp mmap()ed. Not supported yet.\n");
-    errno = EACCES;
-    return (void *)-1; /* Better causing an error than silently not working, in this case */
-  }
-
-  return (*func) (start, length, prot, flags, fd, offset);
-}
-
-ssize_t
-write (int fd, const void *buf, size_t len)
-{
-  static int (*func) (int, const void *, size_t) = NULL;
-  command cmd;
-
-  if (!func)
-    func = (int (*) (int, const void *, size_t)) dlsym (REAL_LIBC, "write");
-
-  if ((fd != sndfd) || (sndfd == -1))
-  {
-    return (*func) (fd, buf, len);
-  }
-
-  DPRINTF("WRITE: called for %d bytes\n", len);
-
-  if (new_format) {
-    new_format = 0;
-
-    cmd.id = CMD_FORMAT;
-    cmd.cmd.format.format = fmt;
-    cmd.cmd.format.stereo = stereo;
-    cmd.cmd.format.rate = speed;
-
-    (*func) (HELPER_MAGIC_OUT, &cmd, sizeof(command));
-  }
-  cmd.id = CMD_DATA;
-  cmd.cmd.length = len;
-
-  (*func) (HELPER_MAGIC_OUT, &cmd, sizeof(command));
-  (*func) (HELPER_MAGIC_OUT, buf, len);
-
-  /*return (*func) (fd, buf, len); */
-
-  return len;
-}
-
-int
-select (int n, fd_set *readfds, fd_set *writefds,
-		        fd_set *exceptfds, struct timeval *timeout)
-{
-  static int (*func) (int, fd_set *, fd_set *, fd_set *, struct timeval *) = NULL;
-
-  if (!func)
-    func = (int (*) (int, fd_set *, fd_set *, fd_set *, struct timeval *)) dlsym (REAL_LIBC, "select");
-
-  if (n == sndfd) {
-    DPRINTF ("audiooss: hijacking /dev/dsp select() [output]\n");
-  }
-
-  return (*func) (n, readfds, writefds, exceptfds, timeout);
-}
-
-int
-dup2 (int oldfd, int newfd)
-{
-  static int (*func) (int, int) = NULL;
-
-  if (!func)
-    func = (int (*) (int, int)) dlsym (REAL_LIBC, "dup2");
-
-  if ((oldfd == sndfd) && (oldfd != -1) && (newfd != -1))
-  {
-    DPRINTF("dup2(%d,%d) (oldfd == sndfd) called\n", oldfd, newfd);
-
-    /* Do not close(newfd) as that would mark it available for reuse by the system -
-     *        just tell the program that yes, we got the fd you asked for. Hackish. */
-    sndfd = newfd;
-    return newfd;
-  }
-  return (*func) (oldfd, newfd);
-}
-
-int
-ioctl (int fd, request_t request, ...)
-{
-  static int (*func) (int, request_t, void *) = NULL;
-  va_list args;
-  void *argp;
-
-  if (!func)                                                                    
-    func = (int (*) (int, request_t, void *)) dlsym (REAL_LIBC, "ioctl");             
-
-  va_start (args, request);
-  argp = va_arg (args, void *);
-  va_end (args);
-
-  if (fd == sndfd)
-    return dspctl (fd, request, argp);
-
-  return (*func) (fd, request, argp); 
-}
-
-int
-fcntl(int fd, int cmd, ...)
-{
-  static int (*func) (int, int, void *) = NULL;
-  va_list args;
-  void *argp;
-
-  if (!func)
-    func = (int (*) (int, int, void *)) dlsym (REAL_LIBC, "fcntl");
-
-  va_start (args, cmd);
-  argp = va_arg (args, void *);
-  va_end (args);
-
-  if ((fd != -1) && (fd == sndfd))
-  {
-    DPRINTF ("hijacking /dev/dsp fcntl() "
-             "(%d : %x - %p)\n", fd, cmd, argp);
-    if (cmd == F_GETFL) return O_RDWR;
-    if (cmd == F_GETFD) return sndfd;
-    return 0;
-  }
-  else
-  {
-    return (*func) (fd, cmd, argp);
-  }
-  return 0;
-}
-
-int
-close (int fd)
-{
-  static int (*func) (int) = NULL;
-
-  if (!func)
-    func = (int (*) (int)) dlsym (REAL_LIBC, "close");
-
-  if (fd == sndfd)
-    sndfd = -1;
- 
-  return (*func) (fd);
-}
-
-#ifdef MULTIPLE_X11AMP
-
-#include <socketbits.h>
-#include <sys/param.h>
-#include <sys/un.h>
-
-#define ENVSET "X11AMPNUM"
-
-int
-unlink (const char *filename)
-{
-  static int (*func) (const char *) = NULL;
-  char *num;
-
-  if (!func)
-    func = (int (*) (const char *)) dlsym (REAL_LIBC, "unlink");
-
-  if (!strcmp (filename, "/tmp/X11Amp_CTRL") && (num = getenv (ENVSET)))
-    {
-      char buf[PATH_MAX] = "/tmp/X11Amp_CTRL";
-      strcat (buf, num);
-      return (*func) (buf); 
-    }
-  else
-    return (*func) (filename);
-}
-
-typedef int (*sa_func_t) (int, struct sockaddr *, int);
-
-static int
-sockaddr_mangle (sa_func_t func, int fd, struct sockaddr *addr, int len)
-{
-  char *num;
-
-  if (!strcmp (((struct sockaddr_un *) addr)->sun_path, "/tmp/X11Amp_CTRL")
-      && (num = getenv(ENVSET)))
-    {
-      int ret;
-      char buf[PATH_MAX] = "/tmp/X11Amp_CTRL";
-
-      struct sockaddr_un *new_addr = malloc (len);
-
-      strcat (buf, num);
-      memcpy (new_addr, addr, len);
-      strcpy (new_addr->sun_path, buf);
-
-      ret = (*func) (fd, (struct sockaddr *) new_addr, len);
-
-      free (new_addr);
-      return ret;
-    } 
-  else
-    return (*func) (fd, addr, len);
-}
-
-int
-bind (int fd, struct sockaddr *addr, int len)
-{
-  static sa_func_t func = NULL;
-
-  if (!func)
-    func = (sa_func_t) dlsym (REAL_LIBC, "bind");
-  return sockaddr_mangle (func, fd, addr, len);
-}
-
-int
-connect (int fd, struct sockaddr *addr, int len)
-{
-  static sa_func_t func = NULL;
-
-  if (!func)
-    func = (sa_func_t) dlsym (REAL_LIBC, "connect");
-  return sockaddr_mangle (func, fd, addr, len);
-}
-
-#endif /* MULTIPLE_X11AMP */
-
-#else /* __GNUC__ */
-static char *ident = NULL;
-
-void
-nogcc (void)
-{
-  ident = NULL;
-}
-
-#endif /* __GNUC__ */