[PATCH grout] api: fix external clients build

[Robin Jarry]

Robin Jarry, Mar 24, 2026 at 13:15:
> Installing gr_string.h isn't the correct solution. We should remove the
> include from gr_api_client_impl.h instead:

Or preferably this other way that matches what gr_strcpy() is doing:

diff --git api/gr_api_client_impl.h api/gr_api_client_impl.h
index ca9a0f84e1b7..660caa42e60f 100644
--- api/gr_api_client_impl.h
+++ api/gr_api_client_impl.h
@@ -8,7 +8,6 @@
 #include <gr_api.h>
 #include <gr_errno.h>
 #include <gr_macro.h>
-#include <gr_string.h>
 #include <gr_version.h>

 #include <assert.h>
@@ -50,8 +49,10 @@ struct gr_api_client *gr_api_client_connect(const char *sock_path) {
                goto err;

        addr.un.sun_family = AF_UNIX;
-       if (gr_strcpy(addr.un.sun_path, sizeof(addr.un.sun_path), sock_path) < 0)
+       if (memccpy(addr.un.sun_path, sock_path, 0, sizeof(addr.un.sun_path)) == NULL) {
+               errno = ENAMETOOLONG;
                goto err;
+       }

        if (connect(client->sock_fd, &addr.a, sizeof(addr.un)) < 0)
                goto err;