[PATCH 3/8] Fix ubsan warnings for i386 build

[Jussi Kivilinna]

* mpi/mpicoder.c (_gcry_mpi_set_buffer) [BYTES_PER_MPI_LIMB == 4]: Cast
"*p--" values to mpi_limb_t before left shifting.
* tests/t-lock.c (main): Cast 'time(NULL)' to unsigned type.
--

Signed-off-by: Jussi Kivilinna <jussi.kivilinna at iki.fi>
---
 mpi/mpicoder.c | 16 ++++++++--------
 tests/t-lock.c |  2 +-
 2 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/mpi/mpicoder.c b/mpi/mpicoder.c
index a133421e..f61f777f 100644
--- a/mpi/mpicoder.c
+++ b/mpi/mpicoder.c
@@ -354,10 +354,10 @@ _gcry_mpi_set_buffer (gcry_mpi_t a, const void *buffer_arg,
   for (i=0, p = buffer+nbytes-1; p >= buffer+BYTES_PER_MPI_LIMB; )
     {
 #if BYTES_PER_MPI_LIMB == 4
-      alimb  = *p--	    ;
-      alimb |= *p-- <<  8 ;
-      alimb |= *p-- << 16 ;
-      alimb |= *p-- << 24 ;
+      alimb  = (mpi_limb_t)*p--	    ;
+      alimb |= (mpi_limb_t)*p-- <<  8 ;
+      alimb |= (mpi_limb_t)*p-- << 16 ;
+      alimb |= (mpi_limb_t)*p-- << 24 ;
 #elif BYTES_PER_MPI_LIMB == 8
       alimb  = (mpi_limb_t)*p--	;
       alimb |= (mpi_limb_t)*p-- <<  8 ;
@@ -375,13 +375,13 @@ _gcry_mpi_set_buffer (gcry_mpi_t a, const void *buffer_arg,
   if ( p >= buffer )
     {
 #if BYTES_PER_MPI_LIMB == 4
-      alimb  = *p--;
+      alimb  = (mpi_limb_t)*p--;
       if (p >= buffer)
-        alimb |= *p-- <<  8;
+        alimb |= (mpi_limb_t)*p-- <<  8;
       if (p >= buffer)
-        alimb |= *p-- << 16;
+        alimb |= (mpi_limb_t)*p-- << 16;
       if (p >= buffer)
-        alimb |= *p-- << 24;
+        alimb |= (mpi_limb_t)*p-- << 24;
 #elif BYTES_PER_MPI_LIMB == 8
       alimb  = (mpi_limb_t)*p--;
       if (p >= buffer)
diff --git a/tests/t-lock.c b/tests/t-lock.c
index e263aff2..cacc3835 100644
--- a/tests/t-lock.c
+++ b/tests/t-lock.c
@@ -433,7 +433,7 @@ main (int argc, char **argv)
         }
     }
 
-  srand (time(NULL)*getpid());
+  srand ((unsigned int)time(NULL)*getpid());
 
   if (debug)
     xgcry_control ((GCRYCTL_SET_DEBUG_FLAGS, 1u, 0));
-- 
2.27.0