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fix extremely rare but dangerous race condition in robust mutexes
[musl]
/
src
/
stdio
/
vfwprintf.c
diff --git
a/src/stdio/vfwprintf.c
b/src/stdio/vfwprintf.c
index
42ce304
..
6282980
100644
(file)
--- a/
src/stdio/vfwprintf.c
+++ b/
src/stdio/vfwprintf.c
@@
-292,7
+292,7
@@
static int wprintf_core(FILE *f, const wchar_t *fmt, va_list *ap, union arg *nl_
case 's':
bs = arg.p;
if (p<0) p = INT_MAX;
- for (l=0; l<p && (i=mbtowc(&wc, bs, MB_LEN_MAX))>0; bs+=i, l++);
+ for (
i=
l=0; l<p && (i=mbtowc(&wc, bs, MB_LEN_MAX))>0; bs+=i, l++);
if (i<0) return -1;
p=l;
if (w<p) w=p;