Add a definition for CHAR_NULL (helpful for the z/OS port).

git-svn-id: svn://vcs.exim.org/pcre/code/trunk@1185 2f5784b3-3f2a-0410-8824-cb99058d5e15

2 files changed, 4 insertions, 0 deletions

diff --git a/ChangeLog b/ChangeLog
index ee0cdea..a02b250 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -128,6 +128,9 @@ Version 8.32
 26. Applied a modified version of Daniel Richard G's patch to create 
     pcre.h.generic and config.h.generic by "make" instead of in the 
     PrepareRelease script.
+    
+27. Added a definition for CHAR_NULL (helpful for the z/OS port). The code base 
+    should be refactored to use it as and when convenient.
 
 
 Version 8.31 06-July-2012
diff --git a/pcre_internal.h b/pcre_internal.h
index 9c6375d..58748fa 100644
--- a/pcre_internal.h
+++ b/pcre_internal.h
@@ -1286,6 +1286,7 @@ a positive value. */
 
 /* The remaining definitions work in both environments. */
 
+#define CHAR_NULL                   '\0'
 #define CHAR_HT                     '\t'
 #define CHAR_VT                     '\v'
 #define CHAR_FF                     '\f'