problème patch debian

Bonjour,

lorsque je tape cette ligne de commande

Code:

patch -p0 < /home/rezgui/Desktop/ossim/contrib/snort/snort-2.1-ossim.patch

le terminal affiche
Code:

1 2 3 4 5 6 7 8 can't find file to patch at input line 3 Perhaps you used the wrong -p or --strip option? The text leading up to this was: -------------------------- |*** src/output-plugins/spo_database.c.orig Wed Apr 21 19:51:06 2004 |--- src/output-plugins/spo_database.c Thu Jul 22 11:10:55 2004 -------------------------- File to patch:
qu'est ce que je peut ecrire devant la ligne

Code:

File to patch:

merci d'avance