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-rw-r--r--lib/printf/vfprintf.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/printf/vfprintf.c b/lib/printf/vfprintf.c
index a0634cde4b..8c7a8a58c4 100644
--- a/lib/printf/vfprintf.c
+++ b/lib/printf/vfprintf.c
@@ -138,7 +138,7 @@ __wcsconv(wchar_t *wcsarg, int prec)
* write a uintmax_t in octal (plus one byte).
*/
#if UINTMAX_MAX <= UINT64_MAX
-#define BUF 64
+#define BUF 80
#else
#error "BUF must be large enough to format a uintmax_t"
#endif