define NULL as nullptr when used in C++11 or later

[musl] / src / passwd / getspnam.c

diff --git a/src/passwd/getspnam.c b/src/passwd/getspnam.c
index 041f896..709b526 100644 (file)
--- a/src/passwd/getspnam.c
+++ b/src/passwd/getspnam.c
@@ -8,10 +8,11 @@ struct spwd *getspnam(const char *name)
        static char *line;
        struct spwd *res;
        int e;
+       int orig_errno = errno;
 
        if (!line) line = malloc(LINE_LIM);
        if (!line) return 0;
        e = getspnam_r(name, &sp, line, LINE_LIM, &res);
-       if (e) errno = e;
+       errno = e ? e : orig_errno;
        return res;
 }