From 2792c332b848c5cc57621c6490d5aee9f54e5054 Mon Sep 17 00:00:00 2001
From: Mikko Marttila <13412395+mikmart@users.noreply.github.com>
Date: Mon, 25 Aug 2025 13:57:16 +0100
Subject: [PATCH] Ensure column matches %ld format in jimp_diagf

.. on Windows %ld expects 32 bits but ptrdiff_t is 64 bits.
---
 jimp.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/jimp.h b/jimp.h
index 995a05c..0764f9a 100644
--- a/jimp.h
+++ b/jimp.h
@@ -273,8 +273,9 @@ void jimp_diagf(Jimp *jimp, const char *fmt, ...)
             line_number += 1;
         }
     }
+    long line_offset = point - line_start;
 
-    fprintf(stderr, "%s:%ld:%ld: ", jimp->file_path, line_number + 1, point - line_start + 1);
+    fprintf(stderr, "%s:%ld:%ld: ", jimp->file_path, line_number + 1, line_offset + 1);
     va_list args;
     va_start(args, fmt);
     vfprintf(stderr, fmt, args);