From: Bruno Haible <bruno@clisp.org>
Date: Thu, 26 Oct 2006 11:56:02 +0000 (+0000)
Subject: Make read-only array really read-only. Saves a few bytes in the .data segment.
X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6384ddb72cfa0d13c1126fc5b3aea3b10b921f9c;p=pspp

Make read-only array really read-only. Saves a few bytes in the .data segment.
---

diff --git a/ChangeLog b/ChangeLog
index bf98685800..7b0200f183 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2006-10-25  Paul Eggert  <eggert@cs.ucla.edu>
+
+	* lib/mbchar.h (is_basic_table): Make read-only.
+	* lib/mbchar.c (is_basic_table): Likewise.
+	Reported by John Darrington.
+
 2006-10-25  Bruno Haible  <bruno@clisp.org>
 
 	* lib/progname.h (set_program_name): Undefine before defining.
diff --git a/lib/mbchar.c b/lib/mbchar.c
index 590109bd62..95373f58ba 100644
--- a/lib/mbchar.c
+++ b/lib/mbchar.c
@@ -24,7 +24,7 @@
 #if IS_BASIC_ASCII
 
 /* Bit table of characters in the ISO C "basic character set".  */
-unsigned int is_basic_table [UCHAR_MAX / 32 + 1] =
+const unsigned int is_basic_table [UCHAR_MAX / 32 + 1] =
 {
   0x00001a00,		/* '\t' '\v' '\f' */
   0xffffffef,		/* ' '...'#' '%'...'?' */
diff --git a/lib/mbchar.h b/lib/mbchar.h
index bf31027ce4..13578356bd 100644
--- a/lib/mbchar.h
+++ b/lib/mbchar.h
@@ -430,7 +430,7 @@ mb_copy (mbchar_t *new, const mbchar_t *old)
 /* The character set is ISO-646, not EBCDIC. */
 # define IS_BASIC_ASCII 1
 
-extern unsigned int is_basic_table[];
+extern const unsigned int is_basic_table[];
 
 static inline bool
 is_basic (char c)