From: Peter Johnson <peter@tortall.net>
Date: Wed, 19 Oct 2005 07:57:32 +0000 (-0000)
Subject: * gas-token.re (strbuf_append): Allocate before store (otherwise crash is
X-Git-Tag: v0.5.0rc1~88
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=40886e0c3a3ec4a65ce6429cb06fced9198d743a;p=yasm

* gas-token.re (strbuf_append): Allocate before store (otherwise crash is
possible).

svn path=/trunk/yasm/; revision=1290
---

diff --git a/modules/parsers/gas/gas-token.re b/modules/parsers/gas/gas-token.re
index 2f5974f0..9692559e 100644
--- a/modules/parsers/gas/gas-token.re
+++ b/modules/parsers/gas/gas-token.re
@@ -145,12 +145,12 @@ strbuf_append(size_t count, YYCTYPE *cursor, Scanner *s, unsigned long line,
 {
     if (cursor == s->eof)
 	yasm__error(line, N_("unexpected end of file in string"));
-    strbuf[count] = ch;
 
     if (count >= strbuf_size) {
 	strbuf = yasm_xrealloc(strbuf, strbuf_size + STRBUF_ALLOC_SIZE);
 	strbuf_size += STRBUF_ALLOC_SIZE;
     }
+    strbuf[count] = ch;
 }
 
 /*!re2c