Improve doc of GDB config macros.

[deliverable/binutils-gdb.git] / gdb / alloca.c

diff --git a/gdb/alloca.c b/gdb/alloca.c
index d5de3dea44e213ee70edc290cb72f7ab1d9d3214..60f86e048502f3a0b2d561404db6dc6a503ed81c 100644 (file)
--- a/gdb/alloca.c
+++ b/gdb/alloca.c
@@ -42,8 +42,8 @@ you
 lose
 -- must know STACK_DIRECTION at compile-time
 #endif /* STACK_DIRECTION undefined */
-#endif static
-#endif emacs
+#endif /* static */
+#endif /* emacs */
 
 #ifdef __STDC__
 typedef void   *pointer;               /* generic pointer type */
@@ -154,8 +154,8 @@ alloca (size)                       /* returns pointer to storage */
     register header    *hp;    /* traverses linked list */
 
     for (hp = last_alloca_header; hp != NULL;)
-      if (STACK_DIR > 0 && hp->h.deep > depth
-         || STACK_DIR < 0 && hp->h.deep < depth)
+      if (   (STACK_DIR > 0 && hp->h.deep > depth)
+         || (STACK_DIR < 0 && hp->h.deep < depth) )
        {
          register header       *np = hp->h.next;