From e51413c3520f46d2488ed566390cacb5de92897d Mon Sep 17 00:00:00 2001
From: Holden Rohrer <hr@hrhr.dev>
Date: Fri, 29 May 2020 02:10:29 -0400
Subject: badroff can now handle tiny widths

---
 README             |  5 ++---
 badroff.c          | 14 ++++++++++++--
 phrase-circuit.src |  2 +-
 3 files changed, 15 insertions(+), 6 deletions(-)

diff --git a/README b/README
index 843ffbf..47fb9b8 100644
--- a/README
+++ b/README
@@ -43,9 +43,8 @@ mainloop.
 
 # Bugs
 
-It mostly segfaults on line overfill (i.e. trying to center oversized
-text or unfoldable lines are completely unhandled). Error handling
-should probably be used, but that is a nontrivial addition.
+Graceful folding of over-long lines isn't implemented. It is just left
+as-is.
 
 # Return Value
 
diff --git a/badroff.c b/badroff.c
index e19bf03..6f767bb 100644
--- a/badroff.c
+++ b/badroff.c
@@ -123,12 +123,22 @@ static char* leader(char* txt){
         end = repeat;
         repeat = " . ";
     }
+    int startlen = strlen(start);
+    int endlen = strlen(end);
+    int rptln = strlen(repeat);
+    if (startlen + endlen > width) {
+        fin = malloc(sizeof(char)*(startlen+endlen+2));
+        memcpy(fin, start, startlen);
+        fin[startlen] = ' ';
+        memcpy(fin+startlen+1, end, endlen+1);
+        return fin;
+    }
     fin = malloc(sizeof(char)*(width+2));
     fin[width] = '\n'; fin[width+1] = 0;
     strcpy(fin, start);
-    size_t max = width-strlen(end); size_t rptln = strlen(repeat);
+    size_t max = width-endlen+1;
     strcpy(fin+max, end);
-    for (int i=strlen(start); i<width-strlen(end); i++)
+    for (int i=startlen; i<max; i++)
         fin[i] = repeat[i % rptln];
     return fin;
 }
diff --git a/phrase-circuit.src b/phrase-circuit.src
index 020c97f..8e90cf2 100644
--- a/phrase-circuit.src
+++ b/phrase-circuit.src
@@ -1,4 +1,4 @@
-.W 34
+.W 40
 .V 10
 .CT Holden Rohrer
 .V 2
-- 
cgit