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-rw-r--r--libc/stdio/open_memstream.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/libc/stdio/open_memstream.c b/libc/stdio/open_memstream.c
index e7b1cf435..5861017e4 100644
--- a/libc/stdio/open_memstream.c
+++ b/libc/stdio/open_memstream.c
@@ -97,7 +97,7 @@ static int oms_seek(register void *cookie, __offmax_t *pos, int whence)
if (buf) {
*COOKIE->bufloc = COOKIE->buf = buf;
COOKIE->len = leastlen;
- memset(buf + COOKIE->eof, leastlen - COOKIE->eof, 0); /* 0-fill */
+ memset(buf + COOKIE->eof, 0, leastlen - COOKIE->eof); /* 0-fill */
} else {
/* TODO: check glibc errno setting... */
return -1;
@@ -107,7 +107,7 @@ static int oms_seek(register void *cookie, __offmax_t *pos, int whence)
*pos = COOKIE->pos = --leastlen;
if (leastlen > COOKIE->eof) {
- memset(COOKIE->buf + COOKIE->eof, leastlen - COOKIE->eof, 0);
+ memset(COOKIE->buf + COOKIE->eof, 0, leastlen - COOKIE->eof);
*COOKIE->sizeloc = COOKIE->eof;
}