[PATCH 2/5] env: Fix env_get() when returning empty string using env_get_f()

[Marek Behún]

From: Marek Behún <marek.behun at nic.cz>

The env_get_f() function returns -1 on failure. Returning 0 means that
the variable exists, and is empty string.

Signed-off-by: Marek Behún <marek.behun at nic.cz>
---
 env/common.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/env/common.c b/env/common.c
index 2aa23545ba..757c5f9ecd 100644
--- a/env/common.c
+++ b/env/common.c
@@ -125,7 +125,7 @@ char *env_get(const char *name)
 	}
 
 	/* restricted capabilities before import */
-	if (env_get_f(name, (char *)(gd->env_buf), sizeof(gd->env_buf)) > 0)
+	if (env_get_f(name, (char *)(gd->env_buf), sizeof(gd->env_buf)) >= 0)
 		return (char *)(gd->env_buf);
 
 	return NULL;
-- 
2.32.0