From: Peter Johnson <peter@tortall.net>
Date: Thu, 21 Mar 2002 03:34:48 +0000 (-0000)
Subject: Fix bug in align_section(): if a section has no bytecodes, last will be NULL!
X-Git-Tag: v0.2.0~283
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=2ad58d8f334d4f94853c03cb178757655d77bcb7;p=yasm

Fix bug in align_section(): if a section has no bytecodes, last will be NULL!

svn path=/trunk/yasm/; revision=542
---

diff --git a/modules/objfmts/bin/bin-objfmt.c b/modules/objfmts/bin/bin-objfmt.c
index cd9b68c9..f3aabbae 100644
--- a/modules/objfmts/bin/bin-objfmt.c
+++ b/modules/objfmts/bin/bin-objfmt.c
@@ -70,7 +70,10 @@ bin_objfmt_align_section(section *sect, section *prevsect, unsigned long base,
      * plus its length.  Add the start and size together to get the new start.
      */
     last = bcs_last(section_get_bytecodes(prevsect));
-    *prevsectlen = last->offset + last->len;
+    if (last)
+	*prevsectlen = last->offset + last->len;
+    else
+	*prevsectlen = 0;
     start = base + *prevsectlen;
 
     /* Round new start up to alignment of .data section, and adjust textlen to
diff --git a/src/objfmts/bin/bin-objfmt.c b/src/objfmts/bin/bin-objfmt.c
index cd9b68c9..f3aabbae 100644
--- a/src/objfmts/bin/bin-objfmt.c
+++ b/src/objfmts/bin/bin-objfmt.c
@@ -70,7 +70,10 @@ bin_objfmt_align_section(section *sect, section *prevsect, unsigned long base,
      * plus its length.  Add the start and size together to get the new start.
      */
     last = bcs_last(section_get_bytecodes(prevsect));
-    *prevsectlen = last->offset + last->len;
+    if (last)
+	*prevsectlen = last->offset + last->len;
+    else
+	*prevsectlen = 0;
     start = base + *prevsectlen;
 
     /* Round new start up to alignment of .data section, and adjust textlen to