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-rw-r--r--lib/libc/stdio/vfprintf.c2
-rw-r--r--lib/libc/stdio/vfwprintf.c2
2 files changed, 2 insertions, 2 deletions
diff --git a/lib/libc/stdio/vfprintf.c b/lib/libc/stdio/vfprintf.c
index 23914b1796d4..ae5629b495a6 100644
--- a/lib/libc/stdio/vfprintf.c
+++ b/lib/libc/stdio/vfprintf.c
@@ -611,7 +611,7 @@ __vfprintf(FILE *fp, const char *fmt0, va_list ap)
fmt = (char *)fmt0;
argtable = NULL;
nextarg = 1;
- orgap = ap;
+ va_copy(orgap, ap);
uio.uio_iov = iovp = iov;
uio.uio_resid = 0;
uio.uio_iovcnt = 0;
diff --git a/lib/libc/stdio/vfwprintf.c b/lib/libc/stdio/vfwprintf.c
index 7c8e47788e79..26b89d17cb09 100644
--- a/lib/libc/stdio/vfwprintf.c
+++ b/lib/libc/stdio/vfwprintf.c
@@ -589,7 +589,7 @@ __vfwprintf(FILE *fp, const wchar_t *fmt0, va_list ap)
fmt = (wchar_t *)fmt0;
argtable = NULL;
nextarg = 1;
- orgap = ap;
+ va_copy(orgap, ap);
ret = 0;
/*