[PATCH] Properly handle \0 delimited string lists

[Jack Miller <jack-jZyo8ZIaZD9AfugRpC6u6w@public.gmane.org>]

reserved-names="res1\0res2\0res3";

Is valid DTS. This one-liner expands data based on the len given by the lexer
instead of strlen.

Without this patch, realloc gets confused and hangs. For example:

*** Error in `./dtc': realloc(): invalid next size: 0x0000000001961670
***
---
 data.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/data.c b/data.c
index 4c50b12..8cae237 100644
--- a/data.c
+++ b/data.c
@@ -74,7 +74,7 @@ struct data data_copy_escape_string(const char *s, int len)
 	struct data d;
 	char *q;
 
-	d = data_grow_for(empty_data, strlen(s)+1);
+	d = data_grow_for(empty_data, len + 1);
 
 	q = d.val;
 	while (i < len) {
-- 
2.0.0

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