shithub: neatroff

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dev: exit with an error if output device cannot be opened

--- a/dev.c

+++ b/dev.c

@@ -58,6 +58,8 @@

 	strcpy(dev_dev, dev);

 	sprintf(path, "%s/dev%s/DESC", dir, dev);

 	desc = fopen(path, "r");

+	if (!desc)

+		return 1;

 	while (fscanf(desc, "%s", tok) == 1) {

 		if (tok[0] == '#') {

 			skipline(desc);

--- a/roff.c

+++ b/roff.c

@@ -68,7 +68,10 @@

 			return 0;

 		}

 	}

-	dev_open(fontdir, dev);

+	if (dev_open(fontdir, dev)) {

+		fprintf(stderr, "neatroff: cannot open device %s\n", dev);

+		return 1;

+	}

 	env_init();

 	tr_init();

 	g_init();