avoid a probably unwarranted compiler warning

tonycoz · Feb 18, 2013 · d701a5e · d701a5e
1 parent 41125e7
commit d701a5e
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/iolayer.c b/iolayer.c
@@ -1187,6 +1187,9 @@ i_io_read_fill(io_glue *ig, ssize_t needed) {
     work = ig->buffer;
   }
 
+  /* there should always be buffer space the first time around, but
+     avoid a compiler warning here */
+  rc = -1;
   while (work < buf_end && (rc = i_io_raw_read(ig, work, buf_end - work)) > 0) {
     work += rc;
     good = 1;