Avoid a gcc warning.

diff --git a/ChangeLog b/ChangeLog
index b4a60529d02e891aff665b6dda5444a108c1b167..a9b20cb592afde834355540638ed3e205856b32a 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2006-10-18  Bruno Haible  <bruno@clisp.org>
+
+       * lib/findprog.c (find_in_path): Avoid "gcc -Wwrite-strings" warning.
+
 2006-10-19  Paul Eggert  <eggert@cs.ucla.edu>
 
        * lib/xstrtol.h: Include gettext.h.

diff --git a/lib/findprog.c b/lib/findprog.c
index 568c934858a3fe09d305098484428dc4d7f23a7c..1535dcef0427bcaf2b02666d4560624374dcbc85 100644 (file)
--- a/lib/findprog.c
+++ b/lib/findprog.c
@@ -42,7 +42,7 @@ find_in_path (const char *progname)
 #else
   /* Unix */
   char *path;
-  char *dir;
+  char *path_rest;
   char *cp;
 
   if (strchr (progname, '/') != NULL)
@@ -58,13 +58,15 @@ find_in_path (const char *progname)
 
   /* Make a copy, to prepare for destructive modifications.  */
   path = xstrdup (path);
-  for (dir = path; ; dir = cp + 1)
+  for (path_rest = path; ; path_rest = cp + 1)
     {
+      const char *dir;
       bool last;
       char *progpathname;
 
       /* Extract next directory in PATH.  */
-      for (cp = dir; *cp != '\0' && *cp != ':'; cp++)
+      dir = path_rest;
+      for (cp = path_rest; *cp != '\0' && *cp != ':'; cp++)
        ;
       last = (*cp == '\0');
       *cp = '\0';