Fix spawn*() so it can report errors to the caller

If nopen is not in PATH, noice will briefly print a warning about it
so the user knows.

Also, add NOPENCMD define in noiceconf.def.h to specify the default
plumber program.

1 files changed, 5 insertions, 1 deletions

diff --git a/noice.c b/noice.c
index b73f1ea..1b60370 100644
--- a/noice.c
+++ b/noice.c
@@ -650,8 +650,12 @@ nochange:
 				goto begin;
 			case S_IFREG:
 				exitcurses();
-				spawnlp(path, "nopen", "nopen", newpath, (void *)0);
+				r = spawnlp(path, NOPENCMD, NOPENCMD, newpath, (void *)0);
 				initcurses();
+				if (r == -1) {
+					printmsg("failed to execute " NOPENCMD);
+					goto nochange;
+				}
 				continue;
 			default:
 				printmsg("Unsupported file");