/* An lseek() function that detects pipes.
- Copyright (C) 2007 Free Software Foundation, Inc.
+ Copyright (C) 2007, 2009, 2010 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
/* Specification. */
#include <unistd.h>
-/* Get GetFileType. The replacement lseek is only used on mingw, so
- this include can be unconditional. */
-#include <windows.h>
+#if (defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__
+/* Windows platforms. */
+/* Get GetFileType. */
+# include <windows.h>
+#else
+# include <sys/stat.h>
+#endif
#include <errno.h>
#undef lseek
off_t
rpl_lseek (int fd, off_t offset, int whence)
{
+#if (defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__
/* mingw lseek mistakenly succeeds on pipes, sockets, and terminals. */
HANDLE h = (HANDLE) _get_osfhandle (fd);
if (h == INVALID_HANDLE_VALUE)
errno = ESPIPE;
return -1;
}
+#else
+ /* BeOS lseek mistakenly succeeds on pipes... */
+ struct stat statbuf;
+ if (fstat (fd, &statbuf) < 0)
+ return -1;
+ if (!S_ISREG (statbuf.st_mode))
+ {
+ errno = ESPIPE;
+ return -1;
+ }
+#endif
return lseek (fd, offset, whence);
}