Commit 36830eca authored by Richard Levitte's avatar Richard Levitte
Browse files

SIZE_MAX doesn't exist everywhere, supply an alternative 



SIZE_MAX is a great macro, and does unfortunately not exist everywhere.
Since we check against half of it, using bitwise shift to calculate the
value of half SIZE_MAX should be safe enough.

Reviewed-by: default avatarTim Hudson <tjh@openssl.org>
parent 3dc9589c

ssl/packet_locl.h

+5 −0
Original line number Diff line number Diff line
@@ -111,8 +111,13 @@ __owur static ossl_inline int PACKET_buf_init(PACKET *pkt, unsigned char *buf, 
                                              size_t len)

{

    /* Sanity check for negative values. */

#ifdef SIZE_MAX

    if (len > (size_t)(SIZE_MAX / 2))

        return 0;

#else

    if (len > ((size_t)2 << (sizeof(size_t) * 8 - 1)))

        return 0;

#endif



    pkt->curr = buf;

    pkt->remaining = len;