init: handle blank lines quietly, and fix explosion on bad lines

diff --git a/Applications/util/init.c b/Applications/util/init.c
index 61b3300..887a8eb 100644 (file)
--- a/Applications/util/init.c
+++ b/Applications/util/init.c
@@ -276,6 +276,11 @@ static void parse_initline(void)
                        sdata++;
                return;
        }
+       /* Handle a blank line gracefully */
+       if (*sdata == '\n') {
+               sdata++;
+               return;
+       }
        /* We start with a line length then the id: bits. Don't write
         * the length yet - we may still be using that byte for input */
        linelen = idata++;
@@ -365,7 +370,7 @@ static void parse_inittab(void)
        uint8_t *p;
        int i;
        idata = inittab = sdata;
-       while (sdata < sdata_end)
+       while (sdata && sdata < sdata_end)
                parse_initline();
        /* Allocate space for the control arrays */
        initpid = (struct initpid *) idata;