X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=color.h;h=bcb28cf10f2cbef11d9dba0e5a7f3f0515cbbd70;hb=ea640cc691d56f7151c5ba654b09c4a987dbef93;hp=3cb4b7fc890880b0fcf19a11c6bc7de6b10d6e8d;hpb=11a1a49a16a52ff9b684a430d68b8982ed313427;p=git.git

diff --git a/color.h b/color.h
index 3cb4b7fc8..bcb28cf10 100644
--- a/color.h
+++ b/color.h
@@ -1,8 +1,20 @@
 #ifndef COLOR_H
 #define COLOR_H
 
-/* "\033[1;38;5;2xx;48;5;2xxm\0" is 23 bytes */
-#define COLOR_MAXLEN 24
+/*  2 + (2 * num_attrs) + 8 + 1 + 8 + 'm' + NUL */
+/* "\033[1;2;4;5;7;38;5;2xx;48;5;2xxm\0" */
+/*
+ * The maximum length of ANSI color sequence we would generate:
+ * - leading ESC '['            2
+ * - attr + ';'                 2 * 8 (e.g. "1;")
+ * - fg color + ';'             9 (e.g. "38;5;2xx;")
+ * - fg color + ';'             9 (e.g. "48;5;2xx;")
+ * - terminating 'm' NUL        2
+ *
+ * The above overcounts attr (we only use 5 not 8) and one semicolon
+ * but it is close enough.
+ */
+#define COLOR_MAXLEN 40
 
 /*
  * IMPORTANT: Due to the way these color codes are emulated on Windows,