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-rw-r--r--libc/stdio/open_memstream.c4
-rw-r--r--libc/stdio/vsnprintf.c2
2 files changed, 3 insertions, 3 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;
}
diff --git a/libc/stdio/vsnprintf.c b/libc/stdio/vsnprintf.c
index 8bc697a48..5cdb6ebf8 100644
--- a/libc/stdio/vsnprintf.c
+++ b/libc/stdio/vsnprintf.c
@@ -46,7 +46,7 @@ int vsnprintf(char *__restrict buf, size_t size,
__INIT_MBSTATE(&(f.__state));
#endif /* __STDIO_MBSTATE */
-#if defined(__USE_OLD_VFPRINTF__) && defined(__UCLIBC_HAS_THREADS__)
+#if (defined(__STDIO_BUFFERS) || defined(__USE_OLD_VFPRINTF__)) && defined(__UCLIBC_HAS_THREADS__)
f.__user_locking = 1; /* Set user locking. */
STDIO_INIT_MUTEX(f.__lock);
#endif