From: "Igor B. Poretsky" <poretsky@mlbox.ru>
Date: Wed, 15 Feb 2023 14:43:48 +0300
Subject: Segmentation fault fix

---
 src/syllab.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/syllab.c b/src/syllab.c
index e59dc87..88239ec 100644
--- a/src/syllab.c
+++ b/src/syllab.c
@@ -161,7 +161,7 @@ export char *syllabify(char *string, CONFIG *config)
   /* we start looking once we find a vowel  */
   /* we stop looking if we find an existing syllable boundary  */
 
-  if(b_cat(carrier[c_sz-1],config) == VOWEL) {
+  if((c_sz>0) && b_cat(carrier[c_sz-1],config) == VOWEL) {
     look = 1;
     /* don't need a marker  */
   }