From: Marek Behún marek.behun@nic.cz
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 --- cmd/nvedit.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/cmd/nvedit.c b/cmd/nvedit.c index 6eabd51209..08288fad10 100644 --- a/cmd/nvedit.c +++ b/cmd/nvedit.c @@ -724,7 +724,7 @@ static const char *matching_name_get_value(const char *p, const char *name) */ int env_get_f(const char *name, char *buf, unsigned len) { - const char *env, *p, *nxt; + const char *env, *p, *end;
if (name == NULL || *name == '\0') return -1; @@ -734,12 +734,12 @@ int env_get_f(const char *name, char *buf, unsigned len) 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 = matching_name_get_value(p, name);