env: Use better name for variable in env_get_f()

The `nxt` variable actually points to the terminating null-byte of the
current env var, and the next env var is at `nxt + 1`, not `nxt`. So a
better name for this variable is `end`.

Signed-off-by: Marek Behún <marek.behun@nic.cz>
Reviewed-by: Simon Glass <sjg@chromium.org>

diff --git a/cmd/nvedit.c b/cmd/nvedit.c
index f395d28..5b1d4c2 100644 (file)
--- a/cmd/nvedit.c
+++ b/cmd/nvedit.c
@@ -726,19 +726,19 @@ static const char *env_match(const char *p, const char *s1)
  */
 int env_get_f(const char *name, char *buf, unsigned len)
 {
-       const char *env, *p, *nxt;
+       const char *env, *p, *end;
 
        if (gd->env_valid == ENV_INVALID)
                env = (const char *)default_environment;
        else
                env = (const char *)gd->env_addr;
 
-       for (p = env; *p != '\0'; p = nxt + 1) {
+       for (p = env; *p != '\0'; p = end + 1) {
                const char *value;
                int n;
 
-               for (nxt = p; *nxt != '\0'; ++nxt)
-                       if (nxt - env >= CONFIG_ENV_SIZE)
+               for (end = p; *end != '\0'; ++end)
+                       if (end - env >= CONFIG_ENV_SIZE)
                                return -1;
 
                value = env_match(p, name);