xread/xwrite: clip MAX_IO_SIZE to SSIZE_MAX

diff --git a/sha1_name.c b/sha1_name.c
index 852dd951dc2d93660727de23ea9467503288e25b..65ad066d9bb4efd9b61142b40d790bac9543de1d 100644 (file)
--- a/sha1_name.c
+++ b/sha1_name.c
@@ -1004,17 +1004,6 @@ int get_sha1_mb(const char *name, unsigned char *sha1)
        return st;
 }
 
-/* parse @something syntax, when 'something' is not {.*} */
-static int interpret_empty_at(const char *name, int namelen, int len, struct strbuf *buf)
-{
-       if (len || name[1] == '{')
-               return -1;
-
-       strbuf_reset(buf);
-       strbuf_add(buf, "HEAD", 4);
-       return 1;
-}
-
 static int reinterpret(const char *name, int namelen, int len, struct strbuf *buf)
 {
        /* we have extra data, which might need further processing */
@@ -1077,15 +1066,9 @@ int interpret_branch_name(const char *name, struct strbuf *buf)
        cp = strchr(name, '@');
        if (!cp)
                return -1;
-
-       len = interpret_empty_at(name, namelen, cp - name, buf);
-       if (len > 0)
-               return reinterpret(name, namelen, len, buf);
-
        tmp_len = upstream_mark(cp, namelen - (cp - name));
        if (!tmp_len)
                return -1;
-
        len = cp + tmp_len - name;
        cp = xstrndup(name, cp - name);
        upstream = branch_get(*cp ? cp : NULL);