[dovecot-cvs] dovecot/src/lib-storage/index index-save.c,1.27,1.28

[cras at procontrol.fi]

Update of /home/cvs/dovecot/src/lib-storage/index
In directory danu:/tmp/cvs-serv28537/lib-storage/index

Modified Files:
	index-save.c 
Log Message:
Don't crash if something tries to write 0 bytes in headers while saving the
message. This happened sometimes with mbox.



Index: index-save.c
===================================================================
RCS file: /home/cvs/dovecot/src/lib-storage/index/index-save.c,v
retrieving revision 1.27
retrieving revision 1.28
diff -u -d -r1.27 -r1.28
--- index-save.c	20 Feb 2003 19:51:44 -0000	1.27
+++ index-save.c	4 Mar 2003 18:51:02 -0000	1.28
@@ -27,7 +27,10 @@
 {
 	size_t i, start;
 
-	i_assert(size > 0 && size <= SSIZE_T_MAX);
+	i_assert(size <= SSIZE_T_MAX);
+
+	if (size == 0)
+		return 0;
 
 	start = 0;
 	for (i = 0; i < size; i++) {
@@ -58,7 +61,10 @@
 {
 	size_t i, start;
 
-	i_assert(size > 0 && size <= SSIZE_T_MAX);
+	i_assert(size <= SSIZE_T_MAX);
+
+	if (size == 0)
+		return 0;
 
 	start = 0;
 	for (i = 0; i < size; i++) {
@@ -162,7 +168,7 @@
 	failed = FALSE;
 	for (;;) {
 		data = i_stream_get_data(input, &size);
-		if (!failed && size > 0) {
+		if (!failed) {
 			ret = write_func(output, data, size);
 			if (ret < 0) {
 				set_write_error(storage, output, path);