diff options
Diffstat (limited to 'src/stdio/open_wmemstream.c')
| -rw-r--r-- | src/stdio/open_wmemstream.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/stdio/open_wmemstream.c b/src/stdio/open_wmemstream.c index 0db77416..a830b143 100644 --- a/src/stdio/open_wmemstream.c +++ b/src/stdio/open_wmemstream.c @@ -30,8 +30,8 @@ static size_t wms_write(FILE *f, const unsigned char *buf, size_t len) struct cookie *c = f->cookie; size_t len2; wchar_t *newbuf; - if (len >= c->space - c->pos) { - len2 = 2*c->space+1 | c->space+len+1; + if (len + c->pos >= c->space) { + len2 = 2*c->space+1 | c->pos+len+1; if (len2 > SSIZE_MAX/4) return 0; newbuf = realloc(c->buf, len2*4); if (!newbuf) return 0; |