moved folding logic away from lineset, starting to generalize

1 files changed, 7 insertions, 5 deletions

diff --git a/badroff.c b/badroff.c
index 3d96fc7..e73dd99 100644
--- a/badroff.c
+++ b/badroff.c
@@ -148,9 +148,7 @@ llnode* accumlines(size_t* ct){ // returns tail of linked list
     endgroup = false; // prevents false positive on next run
     return tail;
 }
-char* lineset(char* txt){
-    size_t ct;
-    llnode* tail = accumlines(&ct);
+char* foldlines(llnode* tail, size_t ct){
     sb* buf = newsb(100);
 
     size_t oldbrk = 0, brk = 0;
@@ -178,8 +176,12 @@ char* lineset(char* txt){
         }
     }
 
-    char* lines = decompose(buf);
-    return lines;
+    return decompose(buf);
+}
+char* lineset(char* txt){
+    size_t ct;
+    llnode* tail = accumlines(&ct);
+    return foldlines(tail, ct);
 }
 char* emptalloc(void){ // need a null string so it can be freed later
     char* str = malloc(sizeof(char)); str[0] = 0;