On Tue, 18 Aug 2009, Linus Torvalds wrote:
>
> I'd suggest not using a gcc builtin, since if you're using gcc you might
> as well just use inline asm that has been around forever (unlike the
> builtin).
That seems to be what glibc does too.
Here's a patch.
Linus
---
block-sha1/sha1.c | 5 +++++
1 files changed, 5 insertions(+), 0 deletions(-)
diff --git a/block-sha1/sha1.c b/block-sha1/sha1.c
index 464cb25..e6e7170 100644
--- a/block-sha1/sha1.c
+++ b/block-sha1/sha1.c
@@ -22,6 +22,11 @@
#define SHA_ROL(x,n) SHA_ASM("rol", x, n)
#define SHA_ROR(x,n) SHA_ASM("ror", x, n)
+#undef htonl
+#undef ntohl
+#define htonl(x) ({ unsigned int __res; __asm__("bswap %0":"=r" (__res):"0" (x)); __res; })
+#define ntohl(x) htonl(x)
+
#else
#define SHA_ROT(X,l,r) (((X) << (l)) | ((X) >> (r)))
--
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