On 11-Sept-2021 00:59, Bram Moolenaar wrote:
Patch 8.2.3424
Problem: A sequence of spaces is hard to see in list mode.
Solution: Add the "multispace" option to 'listchars'. (closes #8834)
Files: runtime/doc/options.txt, src/drawline.c, src/message.c,
src/screen.c, src/structs.h, src/testdir/test_listchars.vim
After this patch, mingw64 (gcc 11.2) throws 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 screen.c -o
gobjnative/screen.o
screen.c: In function 'set_chars_option':
screen.c:4957:32: warning: 'last_multispace' may be used uninitialized
in this function [-Wmaybe-uninitialized]
4957 | if (p == last_multispace)
| ^
</snip>
The attached patch tries to fix it.
Cheers
John
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--- screen.c.orig 2021-09-11 04:47:47.826424500 +1000
+++ screen.c 2021-09-11 05:00:25.932565700 +1000
@@ -4787,7 +4787,7 @@
int round, i, len, entries;
char_u *p, *s;
int c1 = 0, c2 = 0, c3 = 0;
- char_u *last_multispace; // Last occurrence of "multispace:"
+ char_u *last_multispace = NULL; // Last occurrence of
"multispace:"
int multispace_len = 0; // Length of lcs-multispace
string
struct charstab
{
