commit - 5d43215b6f73e6a45da02d7868786eb84195163a
commit + cd18973c44cfe405e1f65682aa089d017cff04ac
blob - 7e050239e727ed04e21c3f739374a371f9ea5707
blob + 7a2377bbac51378de25faa9e84af9711308db2e4
--- telescope.h
+++ telescope.h
@@ -339,6 +339,7 @@ void			 tofu_temp_trust(struct ohash *, const char *, 
 /* util.c */
 int		 mark_nonblock(int);
 int		 has_prefix(const char*, const char*);
+int		 has_suffix(const char *, const char *);
 int		 unicode_isspace(uint32_t);
 int		 unicode_isgraph(uint32_t);
 int		 dispatch_imsg(struct imsgev *, short, imsg_handlerfn **, size_t);
blob - 17fd68b29018f132049a6bb5b9dc2bbab5d83d65
blob + 117a06d2c1d495102c971d4a8ad30b718749fc3e
--- util.c
+++ util.c
@@ -20,6 +20,7 @@
 #include <errno.h>
 #include <fcntl.h>
 #include <stdlib.h>
+#include <string.h>
 #include <unistd.h>
 
 #include "telescope.h"
@@ -50,6 +51,20 @@ has_prefix(const char *str, const char *prfx)
 }
 
 int
+has_suffix(const char *str, const char *sufx)
+{
+	size_t l, s;
+
+	l = strlen(str);
+	s = strlen(sufx);
+
+	if (l < s)
+		return 0;
+
+	return !strcmp(str + (l - s), sufx);
+}
+
+int
 unicode_isspace(uint32_t cp)
 {
 	if (cp < INT8_MAX)