X-Git-Url: https://code.citadel.org/?p=citadel.git;a=blobdiff_plain;f=citadel%2Ffile_ops.c;h=ba4c2c3a9c533817a3843ea38e110ec3dae74656;hp=d1b529d57efada1399545722745c3873bdf07e5c;hb=fe0848e37f43c8857e90ad4235f34d06af5451ae;hpb=623425931fa2be1d4edf7f9d490620be97695bd5

diff --git a/citadel/file_ops.c b/citadel/file_ops.c
index d1b529d57..ba4c2c3a9 100644
--- a/citadel/file_ops.c
+++ b/citadel/file_ops.c
@@ -634,6 +634,10 @@ void cmd_writ(char *cmdbuf)
 		cprintf("%d You don't have an upload file open.\n", ERROR + RESOURCE_NOT_OPEN);
 		return;
 	}
+	if (bytes <= 0) {
+		cprintf("%d you have to specify a value > 0.\n", ERROR + ILLEGAL_VALUE);
+		return;
+	}
 
 	if (bytes > 100000) {
 		bytes = 100000;