Support empty strings in str_rstrip_char

1 files changed, 1 insertions, 1 deletions

diff --git a/strfuncs.h b/strfuncs.h
index fa5a7d3f..7ea136fb 100644
--- a/strfuncs.h
+++ b/strfuncs.h
@@ -38,7 +38,7 @@ static inline void str_vappendf(char *str, size_t alloc_size, const char *format
 
 static inline void str_rstrip_char(char *str, char ch)
 {
-    if (str[strlen(str) - 1] == ch) {
+    if (strlen(str) != 0 && str[strlen(str) - 1] == ch) {
         str[strlen(str) - 1] = '\0';
     }
 }