fixed accumlines multiline handling

the splitting of a string by lines isn't done by replacing \n with \0
but by replacing the char after (with a bit of restructuring)

1 files changed, 8 insertions, 13 deletions

diff --git a/badroff.c b/badroff.c
index e9346c3..385cd3c 100644
--- a/badroff.c
+++ b/badroff.c
@@ -137,13 +137,6 @@ void multbreak(sb* buffer, size_t start,
         }
     }
 }
-char* breakstr(char* str, size_t* len){
-    char* loc = memchr(str, '\n', *len);
-    if (!loc) return NULL; //essentially truncates "abc\nabc" to "abc\n"
-    *len -= loc-str;
-    *loc = 0; // should always be \n$
-    return loc+1;
-}
 llnode* accumlines(size_t* ct){ // returns tail of linked list
     llnode *head, *tail; head = tail = appendll(NULL, NULL);
     (*ct) = 0;
@@ -153,14 +146,16 @@ llnode* accumlines(size_t* ct){ // returns tail of linked list
             free(ln);
             break;
         }
-        size_t len = strlen(ln);
-        char* next;
-        while ( (next = breakstr(ln, &len))){
-            tail->next = appendll(tail, ln);
-            tail = tail->next;
+        char* next; //greater than nl
+        while ( (next = strchr(ln, '\n')) ) {
+            next++;
+            char sub = *next;
+            *next = 0;
+            tail = appendll(tail, ln);
             (*ct)++;
+            *next = sub;
             ln = next;
-        };
+        }
     }
     tail->next = head->next; // loop linked list
     free(head);