From: Bruno Haible <bruno@clisp.org>
Date: Thu, 19 Oct 2006 12:22:46 +0000 (+0000)
Subject: Avoid a gcc warning.
X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1b576b28af29e5b9004028370e249b460c74e91d;p=pspp

Avoid a gcc warning.
---

diff --git a/ChangeLog b/ChangeLog
index b4a60529d0..a9b20cb592 100644
--- 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 568c934858..1535dcef04 100644
--- 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';