Check that list_size value is not zero before division

2015-08-16 22:30:56 +02:00 · 2015-08-16 22:30:56 +02:00 · c6a5f6efb4
parent 88243b846a
commit c6a5f6efb4
1 changed files with 2 additions and 1 deletions
--- a/plugins/emoji/emoji.plugin.zsh
+++ b/plugins/emoji/emoji.plugin.zsh
@ -257,7 +257,8 @@ function random_emoji() {
  else
 	names=(${=emoji_groups[$group]})
  fi
-  local list_size=$#names
+  local list_size=${#names}
+  [[ $list_size -eq 0 ]] && return 1
  local random_index=$(( ( RANDOM % $list_size ) + 1 ))
  local name=${names[$random_index]}
  echo ${emoji[$name]}