Le 25/01/2013 17:02, Damien Caliste a écrit :
> [...]
>
> The idea when you want to change a file on disk is (not too big) :
> - generate a buffer of the full content of the file in memory, using
> GString for instance
> (http://developer.gnome.org/glib/unstable/glib-Strings.html) since
> they are automatically expending in size but can be used with
> equivalent printf() convenient functions ;
Not exactly in this case I think. If the file represents structured
data, as OP's file seem to do, what you wanna do is read the file into a
data structure representing that content, e.g. a list of something like:
struct LibraryEntry {
gchar *author;
gchar *editor;
gchar *title;
/* whatever */
};
And when writing, serialize that data back to the file's format. This
makes it easy to manipulate the data in your program, because a buffer
is nothing like easy to deal with.
Regards,
Colomban
> - copy atomicaly the buffer in the file with g-file-set-contents()
>
> http://developer.gnome.org/glib/unstable/glib-File-Utilities.html#g-file-set-contents
> - delete the buffer.
>
> Damien.
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