From: Peter Rosin <peda@lysator.liu.se>
Date: Mon, 30 Jan 2012 14:49:05 +0000 (+0100)
Subject: cwrapper: avoid surplus strlen calculations.
X-Git-Tag: v2.4.2.418~193^2~1
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7b945cfdaaad8a87a19fcf837dd4bc04f399b1ab;p=thirdparty%2Flibtool.git

cwrapper: avoid surplus strlen calculations.

* build-aux/ltmain.m4sh (func_emit_cwrapperexe_src:lt_update_exe_path):
Avoid surplus strlen calculations.

Signed-off-by: Peter Rosin <peda@lysator.liu.se>
---

diff --git a/build-aux/ltmain.m4sh b/build-aux/ltmain.m4sh
index 922e9576f..00d063c18 100644
--- a/build-aux/ltmain.m4sh
+++ b/build-aux/ltmain.m4sh
@@ -4151,9 +4151,9 @@ lt_update_exe_path (const char *name, const char *value)
       char *new_value = lt_extend_str (getenv (name), value, 0);
       /* some systems can't cope with a ':'-terminated path #' */
       int len = strlen (new_value);
-      while (((len = strlen (new_value)) > 0) && IS_PATH_SEPARATOR (new_value[len-1]))
+      while ((len > 0) && IS_PATH_SEPARATOR (new_value[len-1]))
         {
-          new_value[len-1] = '\0';
+          new_value[--len] = '\0';
         }
       lt_setenv (name, new_value);
       XFREE (new_value);