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-rw-r--r--stdio-common/tmpnam_r.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/stdio-common/tmpnam_r.c b/stdio-common/tmpnam_r.c
index 3fd20308be..1af0aa82da 100644
--- a/stdio-common/tmpnam_r.c
+++ b/stdio-common/tmpnam_r.c
@@ -20,7 +20,7 @@
/* Generate a unique filename in P_tmpdir. If S is NULL return NULL.
This makes this function thread safe. */
char *
-tmpnam_r (char *s)
+tmpnam_r (char s[L_tmpnam])
{
if (s == NULL)
return NULL;