The parameter to _vsnwprintf is a number of wchar_t's, not a number
of bytes.
Reported-by: Julien Vary <julienv...@gmail.com>
---
mingw-w64-crt/stdio/_vscwprintf.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/mingw-w64-crt/stdio/_vscwprintf.c
b/mingw-w64-crt/stdio/_vscwprintf.c
index 635074b4e..eafd1f254 100644
--- a/mingw-w64-crt/stdio/_vscwprintf.c
+++ b/mingw-w64-crt/stdio/_vscwprintf.c
@@ -33,7 +33,7 @@ static int __cdecl emu__vscwprintf(const wchar_t *
__restrict__ format, va_list
}
/* if the number of characters to write is greater than size,
_vsnwprintf() returns -1 */
- while (size < SIZE_MAX/2 && (ret = _vsnwprintf(buffer, size, format,
arglist)) < 0) {
+ while (size < SIZE_MAX/2 && (ret = _vsnwprintf(buffer, size /
sizeof(wchar_t), format, arglist)) < 0) {
/* in this case try with larger buffer */
size *= 2;
new_buffer = realloc(buffer, size);
--
2.43.0
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