patch 8.1.2331: the option.c file is still very big
Problem: The option.c file is still very big.
Solution: Move a few functions to where they fit better. (Yegappan
Lakshmanan, closes #4895)
diff --git a/src/change.c b/src/change.c
index e274d5d..b4349c6 100644
--- a/src/change.c
+++ b/src/change.c
@@ -868,6 +868,57 @@
}
/*
+ * Save the current values of 'fileformat' and 'fileencoding', so that we know
+ * the file must be considered changed when the value is different.
+ */
+ void
+save_file_ff(buf_T *buf)
+{
+ buf->b_start_ffc = *buf->b_p_ff;
+ buf->b_start_eol = buf->b_p_eol;
+ buf->b_start_bomb = buf->b_p_bomb;
+
+ /* Only use free/alloc when necessary, they take time. */
+ if (buf->b_start_fenc == NULL
+ || STRCMP(buf->b_start_fenc, buf->b_p_fenc) != 0)
+ {
+ vim_free(buf->b_start_fenc);
+ buf->b_start_fenc = vim_strsave(buf->b_p_fenc);
+ }
+}
+
+/*
+ * Return TRUE if 'fileformat' and/or 'fileencoding' has a different value
+ * from when editing started (save_file_ff() called).
+ * Also when 'endofline' was changed and 'binary' is set, or when 'bomb' was
+ * changed and 'binary' is not set.
+ * Also when 'endofline' was changed and 'fixeol' is not set.
+ * When "ignore_empty" is true don't consider a new, empty buffer to be
+ * changed.
+ */
+ int
+file_ff_differs(buf_T *buf, int ignore_empty)
+{
+ /* In a buffer that was never loaded the options are not valid. */
+ if (buf->b_flags & BF_NEVERLOADED)
+ return FALSE;
+ if (ignore_empty
+ && (buf->b_flags & BF_NEW)
+ && buf->b_ml.ml_line_count == 1
+ && *ml_get_buf(buf, (linenr_T)1, FALSE) == NUL)
+ return FALSE;
+ if (buf->b_start_ffc != *buf->b_p_ff)
+ return TRUE;
+ if ((buf->b_p_bin || !buf->b_p_fixeol) && buf->b_start_eol != buf->b_p_eol)
+ return TRUE;
+ if (!buf->b_p_bin && buf->b_start_bomb != buf->b_p_bomb)
+ return TRUE;
+ if (buf->b_start_fenc == NULL)
+ return (*buf->b_p_fenc != NUL);
+ return (STRCMP(buf->b_start_fenc, buf->b_p_fenc) != 0);
+}
+
+/*
* Insert string "p" at the cursor position. Stops at a NUL byte.
* Handles Replace mode and multi-byte characters.
*/