Commit 8f3bdc72 authored by Andy Polyakov's avatar Andy Polyakov
Browse files

Latest Intel compiler means every word in "if copying [with memcpy] takes 

place between objects that overlap, the behavior is undefined." It's hard
to comprehend, but it reportedly manages to be case.
parent 7d368fcb

crypto/des/cfb_enc.c

+2 −2
Original line number Diff line number Diff line
@@ -125,7 +125,7 @@ void DES_cfb_encrypt(const unsigned char *in, unsigned char *out, int numbits, 
				sh[0]=v0, sh[1]=v1, sh[2]=d0, sh[3]=d1;

#endif

				if (rem==0)

					memcpy(ovec,ovec+num,8);

					memmove(ovec,ovec+num,8);

				else

					for(i=0 ; i < 8 ; ++i)

						ovec[i]=ovec[i+num]<<rem |
@@ -168,7 +168,7 @@ void DES_cfb_encrypt(const unsigned char *in, unsigned char *out, int numbits, 
				sh[0]=v0, sh[1]=v1, sh[2]=d0, sh[3]=d1;

#endif

				if (rem==0)

					memcpy (ovec,ovec+num,8);

					memmove(ovec,ovec+num,8);

				else

					for(i=0 ; i < 8 ; ++i)

						ovec[i]=ovec[i+num]<<rem |