diff options
Diffstat (limited to 'backend/backend.c')
| -rw-r--r-- | backend/backend.c | 33 |
1 files changed, 25 insertions, 8 deletions
diff --git a/backend/backend.c b/backend/backend.c index 0ea42cf5..a66cb5f3 100644 --- a/backend/backend.c +++ b/backend/backend.c @@ -1,3 +1,4 @@ +#define _POSIX_C_SOURCE 200809L #include <assert.h> #include <errno.h> #include <libinput.h> @@ -138,16 +139,32 @@ struct wlr_backend *wlr_backend_autocreate(struct wl_display *display) { return NULL; } - const char *name = getenv("WLR_BACKEND"); - if (name) { - struct wlr_backend *subbackend = attempt_backend_by_name(display, name); - if (subbackend) { - wlr_multi_backend_add(backend, subbackend); - return backend; - } else { - wlr_log(L_ERROR, "unrecognized backend '%s'", name); + char *names = getenv("WLR_BACKENDS"); + if (names) { + names = strdup(names); + if (names == NULL) { + wlr_log(L_ERROR, "allocation failed"); return NULL; } + + char *saveptr; + char *name = strtok_r(names, ",", &saveptr); + while (name != NULL) { + struct wlr_backend *subbackend = + attempt_backend_by_name(display, name); + if (subbackend == NULL) { + wlr_log(L_ERROR, "unrecognized backend '%s'", name); + return NULL; + } + + if (!wlr_multi_backend_add(backend, subbackend)) { + return NULL; + } + + name = strtok_r(NULL, ",", &saveptr); + } + + return backend; } if (getenv("WAYLAND_DISPLAY") || getenv("_WAYLAND_DISPLAY") || |