accept null pointer as message argument to gettext functions

[musl] / src / locale / dcngettext.c

diff --git a/src/locale/dcngettext.c b/src/locale/dcngettext.c
index d1e6c6d..0b53286 100644 (file)
--- a/src/locale/dcngettext.c
+++ b/src/locale/dcngettext.c
@@ -132,6 +132,9 @@ char *dcngettext(const char *domainname, const char *msgid1, const char *msgid2,
        struct binding *q;
        int old_errno = errno;
 
+       /* match gnu gettext behaviour */
+       if (!msgid1) goto notrans;
+
        if ((unsigned)category >= LC_ALL) goto notrans;
 
        if (!domainname) domainname = __gettextdomain();