fish.c: don't perform arithmetic on void* pointers

* fish/fish.c (xwrite): Use char*.

diff --git a/fish/fish.c b/fish/fish.c
index fbac519..3acd450 100644 (file)
--- a/fish/fish.c
+++ b/fish/fish.c
@@ -1117,9 +1117,10 @@ add_history_line (const char *line)
 }
 
 int
-xwrite (int fd, const void *buf, size_t len)
+xwrite (int fd, const void *v_buf, size_t len)
 {
   int r;
+  const char *buf = v_buf;
 
   while (len > 0) {
     r = write (fd, buf, len);