On Thursday 06 October 2005 18:48, Colossus wrote:
> Olivier Sessink wrote:
> > Colossus wrote:
> >>Hi,
> >>
> >>I tried with g_spawn_async_with_pipes and with gspawn_async
> >>but it does not work. In the first case the output (the decompressed
> >>bzip2 file) is redirected to a GTK window so I used g_spawn_async (no
> >>pipes) but the output is directed to the shell window from which I ran
> >>my program. How can I have the output redirected to the file /mnt/foo ?
> >
> > open a file in write mode, and while reading from the pipe from
> > _spawn_async, write data to that file.
>
> Hi,
> I did it but the file written is not the same as the original !
> I opened with fwrite with "w" since wb does not care on Unix.
> I read the data from the pipe in a gchar *line with and write it to
> the file with fwrite ( line , 1 , strlen ( line ), fd ) but the
> dimension of the written file are not the same of the one extracted
> with bzip2 -d file.bz2 and it corrupteded. Where am I wrong ?
>
> Really thanks for your help,

See:
man 2 read
man 3 strlen

In particular: (1) Why do you assume that the input which you have read 
comprises a null terminated string?  (2) Have you allowed for a short read 
from Unix read()?

Chris

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