xread/xwrite: clip MAX_IO_SIZE to SSIZE_MAX

diff --git a/streaming.c b/streaming.c
index cac282f06b3751d8f316653daa79026c9633629c..debe904523252ae4fd2e18784641575c3f828dd2 100644 (file)
--- a/streaming.c
+++ b/streaming.c
@@ -111,11 +111,11 @@ static enum input_source istream_source(const unsigned char *sha1,
        unsigned long size;
        int status;
 
+       oi->typep = type;
        oi->sizep = &size;
        status = sha1_object_info_extended(sha1, oi);
        if (status < 0)
                return stream_error;
-       *type = status;
 
        switch (oi->whence) {
        case OI_LOOSE:
@@ -135,7 +135,7 @@ struct git_istream *open_istream(const unsigned char *sha1,
                                 struct stream_filter *filter)
 {
        struct git_istream *st;
-       struct object_info oi = {0};
+       struct object_info oi = {NULL};
        const unsigned char *real = lookup_replace_object(sha1);
        enum input_source src = istream_source(real, type, &oi);
 
@@ -149,7 +149,7 @@ struct git_istream *open_istream(const unsigned char *sha1,
                        return NULL;
                }
        }
-       if (st && filter) {
+       if (filter) {
                /* Add "&& !is_null_stream_filter(filter)" for performance */
                struct git_istream *nst = attach_stream_filter(st, filter);
                if (!nst)