malloc: cast size down to int in bin_index functions

[musl] / src / malloc / malloc.c

diff --git a/src/malloc/malloc.c b/src/malloc/malloc.c
index 1a1a51f..207b6ef 100644 (file)
--- a/src/malloc/malloc.c
+++ b/src/malloc/malloc.c
@@ -120,14 +120,14 @@ static int bin_index(size_t x)
        x = x / SIZE_ALIGN - 1;
        if (x <= 32) return x;
        if (x > 0x1c00) return 63;
-       return ((union { float v; uint32_t r; }){ x }.r>>21) - 496;
+       return ((union { float v; uint32_t r; }){(int)x}.r>>21) - 496;
 }
 
 static int bin_index_up(size_t x)
 {
        x = x / SIZE_ALIGN - 1;
        if (x <= 32) return x;
-       return ((union { float v; uint32_t r; }){ x }.r+0x1fffff>>21) - 496;
+       return ((union { float v; uint32_t r; }){(int)x}.r+0x1fffff>>21) - 496;
 }
 
 #if 0