Fix potential signed/unsigned warning

1 files changed, 1 insertions, 1 deletions

diff --git a/include/stdio.h b/include/stdio.h
index 41b09e1..3e24044 100644
--- a/include/stdio.h
+++ b/include/stdio.h
@@ -50,7 +50,7 @@ __fortify_vsnprintf(char *s, size_t n, const char *fmt, __builtin_va_list ap)
         int r; \
         if (bos != -1) { \
                 r = (snprintf)(s, bos, fmt, ## __VA_ARGS__); \
-                if (r == -1 || r >= bos) \
+                if (r == -1 || (size_t)r >= bos) \
                         __builtin_trap(); \
         } else { \
                 r = (sprintf)(s, fmt, ## __VA_ARGS__); \