From a26573251bf84d43dc32a6253c7ca7f6dcd36053 Mon Sep 17 00:00:00 2001
From: Drew DeVault <sir@cmpwn.com>
Date: Wed, 28 Oct 2020 12:49:47 -0400
Subject: Fail gracefully if mime database is not present

---
 src/mime.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

(limited to 'src/mime.c')

diff --git a/src/mime.c b/src/mime.c
index 0c4cc8b..9f3f6d0 100644
--- a/src/mime.c
+++ b/src/mime.c
@@ -1,4 +1,5 @@
 #include <assert.h>
+#include <errno.h>
 #include <stdbool.h>
 #include <stdint.h>
 #include <stdio.h>
@@ -29,7 +30,12 @@ mime_init()
 	mimedb = malloc(mimedb_sz * sizeof(struct mime_info));
 
 	FILE *f = fopen(MIMEDB, "r");
-	assert(f);
+	if (!f) {
+		fprintf(stderr, "Unable to open MIME database for reading: %s\n",
+			strerror(errno));
+		fprintf(stderr, "Is " MIMEDB " installed?\n");
+		assert(0);
+	}
 
 	char *line = NULL;
 	size_t n = 0;
-- 
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