build: enable MSVC level 3 warnings (#21934)

MSVC has 4 different warning levels: 1 (severe), 2 (significant), 3
(production quality) and 4 (informational). Enabling level 3 warnings
mostly revealed conversion problems, similar to GCC/clang -Wconversion
flag.
This commit is contained in:
dundargoc
2023-02-11 10:25:24 +01:00
committed by GitHub
parent c8c930ea78
commit 7224c889e0
32 changed files with 192 additions and 173 deletions

View File

@@ -4127,7 +4127,7 @@ int do_join(size_t count, int insert_space, int save_undo, int use_formatoptions
linenr_T lnum = curwin->w_cursor.lnum + t;
colnr_T mincol = (colnr_T)0;
linenr_T lnum_amount = -t;
long col_amount = (cend - newp - spaces_removed);
colnr_T col_amount = (colnr_T)(cend - newp - spaces_removed);
mark_col_adjust(lnum, mincol, lnum_amount, col_amount, spaces_removed);