Reuse same variable for environment parsing

diff --git a/ccache.c b/ccache.c
index 5ac0d5ab9bc8c96e334465d4c820b019f603439c..49381bd87bd0f866322db5e24d78e80019bbffaa 100644 (file)
--- a/ccache.c
+++ b/ccache.c
@@ -1499,13 +1499,12 @@ static void process_args(int argc, char **argv)
 /* the main ccache driver function */
 static void ccache(int argc, char *argv[])
 {
-       char *prefix;
        char now[64];
        time_t t;
        struct tm *tm;
        int put_object_in_manifest = 0;
        struct file_hash *object_hash_from_manifest = NULL;
-       char *s;
+       char *env;
 
        t = time(NULL);
        tm = localtime(&t);
@@ -1548,8 +1547,8 @@ static void ccache(int argc, char *argv[])
                enable_direct = 0;
        }
 
-       if ((s = getenv("CCACHE_NLEVELS"))) {
-               nlevels = atoi(s);
+       if ((env = getenv("CCACHE_NLEVELS"))) {
+               nlevels = atoi(env);
                if (nlevels < 1) nlevels = 1;
                if (nlevels > 8) nlevels = 8;
        }
@@ -1627,14 +1626,14 @@ static void ccache(int argc, char *argv[])
                failed();
        }
 
-       prefix = getenv("CCACHE_PREFIX");
-       if (prefix) {
-               char *p = find_executable(prefix, MYNAME);
+       env = getenv("CCACHE_PREFIX");
+       if (env) {
+               char *p = find_executable(env, MYNAME);
                if (!p) {
-                       perror(prefix);
+                       perror(env);
                        exit(1);
                }
-               cc_log("Using command-line prefix %s", prefix);
+               cc_log("Using command-line prefix %s", env);
                args_add_prefix(stripped_args, p);
        }