improve error handling of ttyname_r and isatty

[musl] / src / passwd / getspnam_r.c

diff --git a/src/passwd/getspnam_r.c b/src/passwd/getspnam_r.c
index e488b67..541206f 100644 (file)
--- a/src/passwd/getspnam_r.c
+++ b/src/passwd/getspnam_r.c
@@ -76,7 +76,7 @@ int getspnam_r(const char *name, struct spwd *sp, char *buf, size_t size, struct
 
        /* Buffer size must at least be able to hold name, plus some.. */
        if (size < l+100)
-               return errno = EINVAL;
+               return errno = ERANGE;
 
        /* Protect against truncation */
        if (snprintf(path, sizeof path, "/etc/tcb/%s/shadow", name) >= sizeof path)