diff options
Diffstat (limited to 'libio/iofopen.c')
| -rw-r--r-- | libio/iofopen.c | 17 |
1 files changed, 2 insertions, 15 deletions
diff --git a/libio/iofopen.c b/libio/iofopen.c index e4821cbf0e..e3b9838195 100644 --- a/libio/iofopen.c +++ b/libio/iofopen.c @@ -67,25 +67,12 @@ __fopen_maybe_mmap (fp) # endif if (p != MAP_FAILED) { - if ( -# ifdef _G_LSEEK64 - _G_LSEEK64 (fp->_fileno, st.st_size, SEEK_SET) -# else - __lseek (fp->_fileno, st.st_size, SEEK_SET) -# endif - != st.st_size) - { - /* We cannot search the file. Don't mmap then. */ - __munmap (p, st.st_size); - return fp; - } - /* OK, we managed to map the file. Set the buffer up and use a special jump table with simplified underflow functions which never tries to read anything from the file. */ _IO_setb (fp, p, (char *) p + st.st_size, 0); - _IO_setg (fp, p, p, (char *) p + st.st_size); + _IO_setg (fp, p, p, p); if (fp->_mode <= 0) _IO_JUMPS ((struct _IO_FILE_plus *) fp) = &_IO_file_jumps_mmap; @@ -93,7 +80,7 @@ __fopen_maybe_mmap (fp) _IO_JUMPS ((struct _IO_FILE_plus *) fp) = &_IO_wfile_jumps_mmap; fp->_wide_data->_wide_vtable = &_IO_wfile_jumps_mmap; - fp->_offset = st.st_size; + fp->_offset = 0; } } } |