diff options
Diffstat (limited to 'input.c')
-rw-r--r-- | input.c | 10 |
1 files changed, 8 insertions, 2 deletions
@@ -50,7 +50,7 @@ extern int errno; if a signal is received. */ static char localbuf[128]; -static int local_index, local_bufused; +static int local_index = 0, local_bufused = 0; /* Posix and USG systems do not guarantee to restart read () if it is interrupted by a signal. We do the read ourselves, and restart it @@ -312,7 +312,13 @@ duplicate_buffered_stream (fd1, fd2) (bash_input.location.buffered_fd == fd2); if (buffers[fd2]) - free_buffered_stream (buffers[fd2]); + { + /* If the two objects share the same b_buffer, don't free it. */ + if (buffers[fd1] && buffers[fd1]->b_buffer && buffers[fd1]->b_buffer == buffers[fd2]->b_buffer) + buffers[fd2] = (BUFFERED_STREAM *)NULL; + else + free_buffered_stream (buffers[fd2]); + } buffers[fd2] = copy_buffered_stream (buffers[fd1]); if (buffers[fd2]) buffers[fd2]->b_fd = fd2; |