try with valgrind

.woodpecker/build.yaml

@@ -12,9 +12,10 @@ steps:
     image: alpine:latest
     commands:
       - apk update
-      - apk add --no-cache bash build-base words-en gdb
+      - apk add --no-cache bash build-base words-en gdb valgrind
       - make
-      - gdb -batch -ex "run" -ex "bt" --args dicepwgen
+      - valgrind --leak-check=full --show-reachable=yes ./dicepwgen
+      #- gdb -batch -ex "run" -ex "bt" --args dicepwgen
       #- ./dicepwgen -y | grep -E '[a-z]*%'
 
 

dicepwgen.c

@@ -178,8 +178,4 @@ void getwords(char *dictfile, int count) {
   for (i = 0; i < 66666; i++)
     if (words[i] != NULL)
       free(words[i]);
-
-  if (words != NULL) {
-    free(words);
-  }
 }