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changeset 14374:85a5ffbc0cb3

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mbrtowc: Tiny optimization. * lib/mbrtowc.c (mbrtowc): Delay pstate assignment until it is needed.
author Bruno Haible <bruno@clisp.org>
date Mon, 21 Feb 2011 05:07:14 +0100
parents dc61f43340a6
children 5c0504048541
files ChangeLog lib/mbrtowc.c
diffstat 2 files changed, 9 insertions(+), 3 deletions(-) [+]
line wrap: on
line diff
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2011-02-20  Bruno Haible  <bruno@clisp.org>
+
+	mbrtowc: Tiny optimization.
+	* lib/mbrtowc.c (mbrtowc): Delay pstate assignment until it is needed.
+
 2011-02-20  Jim Meyering  <meyering@redhat.com>
 
 	test-exclude.c: remove unmatched #endif
--- a/lib/mbrtowc.c
+++ b/lib/mbrtowc.c
@@ -40,9 +40,6 @@
 {
   char *pstate = (char *)ps;
 
-  if (pstate == NULL)
-    pstate = internal_state;
-
   if (s == NULL)
     {
       pwc = NULL;
@@ -54,6 +51,10 @@
     return (size_t)(-2);
 
   /* Here n > 0.  */
+
+  if (pstate == NULL)
+    pstate = internal_state;
+
   {
     size_t nstate = pstate[0];
     char buf[4];