On 26-July-2022 03:14, Bram Moolenaar wrote:
Patch 9.0.0067
Problem: Cannot show virtual text.
Solution: Initial changes for virtual text support, using text properties.
Files: runtime/doc/textprop.txt, src/beval.c, src/charset.c,
src/drawline.c, src/edit.c, src/errors.h, src/evalfunc.c,
src/getchar.c, src/indent.c, src/misc1.c, src/misc2.c,
src/mouse.c, src/ops.c, src/popupwin.c, src/proto/charset.pro,
src/proto/textprop.pro, src/regexp.c, src/regexp_bt.c,
src/regexp_nfa.c, src/register.c, src/structs.h, src/textprop.c,
src/testdir/test_textprop.vim,
src/testdir/dumps/Test_prop_inserts_text.dump
After this patch, mingw64 (gcc 12.1.0) gives this warning:
<snip>
gcc -c -I. -Iproto -DWIN32 -DWINVER=0x0603 -D_WIN32_WINNT=0x0603
-DHAVE_PATHDEF -DFEAT_NORMAL -DHAVE_STDINT_H -D__USE_MINGW_ANSI_STDIO
-pipe -march=native -Wall -O3 -fomit-frame-pointer -freg-struct-return
-fpie -fPIE -DFEAT_GUI_MSWIN -DFEAT_CLIPBOARD drawline.c -o
gobjnative/drawline.o
drawline.c:858:16: warning: 'charsize' may be used uninitialized
[-Wmaybe-uninitialized]
858 | if (( (*mb_ptr2cells)(ptr) >= charsize || *ptr ==
TAB) && col == 0)
| ^
drawline.c:822:25: note: 'charsize' was declared here
822 | int charsize;
| ^~~~~~~~
</snip>
The attached patch tries to fix it.
Cheers
John
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--- drawline.c.orig 2022-07-26 05:56:43.552462500 +1000
+++ drawline.c 2022-07-26 06:02:55.006725800 +1000
@@ -819,7 +819,7 @@
{
char_u *prev_ptr = ptr;
chartabsize_T cts;
- int charsize;
+ int charsize = 0;
init_chartabsize_arg(&cts, wp, lnum, vcol, line, ptr);
while (cts.cts_vcol < v && *cts.cts_ptr != NUL)
