From: Todd C. Miller <Todd.Miller@courtesan.com>
Date: Sat, 15 Mar 2003 19:49:28 +0000 (+0000)
Subject: deal with platforms where size_t is signed and there is no SIZE_MAX or SIZE_T_MAX
X-Git-Tag: SUDO_1_6_7~34
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=8d8b597963394f0484ba0e498d7d7e920f0ea7c9;p=sudo

deal with platforms where size_t is signed and there is no SIZE_MAX or SIZE_T_MAX
---

diff --git a/alloc.c b/alloc.c
index 0dd1ddab8..63fcba27c 100644
--- a/alloc.c
+++ b/alloc.c
@@ -63,14 +63,20 @@
 static const char rcsid[] = "$Sudo$";
 #endif /* lint */
 
+/*
+ * If there is no SIZE_MAX or SIZE_T_MAX we have to assume that size_t
+ * could be signed (as it is on SunOS 4.x).  This just means that
+ * emalloc2() and erealloc3() cannot allocate huge amounts on such a
+ * platform but that is OK since sudo doesn't need to do so anyway.
+ */
 #ifndef SIZE_MAX
 # ifdef SIZE_T_MAX
 #  define SIZE_MAX	SIZE_T_MAX
 # else
-#  ifdef ULONG_MAX
-#   define SIZE_MAX	ULONG_MAX
+#  ifdef INT_MAX
+#   define SIZE_MAX	INT_MAX
 #  else
-#   define SIZE_MAX	((unsigned long)-1)
+#   define SIZE_MAX	0x7fffffff
 #  endif /* ULONG_MAX */
 # endif /* SIZE_T_MAX */
 #endif /* SIZE_MAX */