fixed lots of gcc warnings

1 files changed, 1 insertions, 1 deletions

diff --git a/utf8.c b/utf8.c
index 6e6bb100..f25ade2c 100644
--- a/utf8.c
+++ b/utf8.c
@@ -352,7 +352,7 @@ int u8_escape_wchar(char *buf, int32_t sz, uint32_t ch)
     else if (ch < 32 || ch == 0x7f)
         return snprintf(buf, sz, "\\x%hhX", (unsigned char)ch);
     else if (ch > 0xFFFF)
-        return snprintf(buf, sz, "\\U%.8lX", (uint32_t)ch);
+        return snprintf(buf, sz, "\\U%.8X", (uint32_t)ch);
     else if (ch >= 0x80 && ch <= 0xFFFF)
         return snprintf(buf, sz, "\\u%.4hX", (unsigned short)ch);