X-Git-Url: https://git.distorted.org.uk/~mdw/sgt/puzzles/blobdiff_plain/720a8fb73f1ec4860da71afb8cf0d18bfddf7691..d108c3429e902a82bdb703ba6f36df549782bba4:/random.c

diff --git a/random.c b/random.c
index 547274a..e0a179e 100644
--- a/random.c
+++ b/random.c
@@ -11,6 +11,7 @@
  */
 
 #include <assert.h>
+#include <string.h>
 
 #include "puzzles.h"
 
@@ -176,22 +177,22 @@ static void SHA_Final(SHA_State * s, unsigned char *output)
     c[0] = 0x80;
     SHA_Bytes(s, &c, pad);
 
-    c[0] = (lenhi >> 24) & 0xFF;
-    c[1] = (lenhi >> 16) & 0xFF;
-    c[2] = (lenhi >> 8) & 0xFF;
-    c[3] = (lenhi >> 0) & 0xFF;
-    c[4] = (lenlo >> 24) & 0xFF;
-    c[5] = (lenlo >> 16) & 0xFF;
-    c[6] = (lenlo >> 8) & 0xFF;
-    c[7] = (lenlo >> 0) & 0xFF;
+    c[0] = (unsigned char)((lenhi >> 24) & 0xFF);
+    c[1] = (unsigned char)((lenhi >> 16) & 0xFF);
+    c[2] = (unsigned char)((lenhi >> 8) & 0xFF);
+    c[3] = (unsigned char)((lenhi >> 0) & 0xFF);
+    c[4] = (unsigned char)((lenlo >> 24) & 0xFF);
+    c[5] = (unsigned char)((lenlo >> 16) & 0xFF);
+    c[6] = (unsigned char)((lenlo >> 8) & 0xFF);
+    c[7] = (unsigned char)((lenlo >> 0) & 0xFF);
 
     SHA_Bytes(s, &c, 8);
 
     for (i = 0; i < 5; i++) {
-	output[i * 4] = (s->h[i] >> 24) & 0xFF;
-	output[i * 4 + 1] = (s->h[i] >> 16) & 0xFF;
-	output[i * 4 + 2] = (s->h[i] >> 8) & 0xFF;
-	output[i * 4 + 3] = (s->h[i]) & 0xFF;
+	output[i * 4] = (unsigned char)((s->h[i] >> 24) & 0xFF);
+	output[i * 4 + 1] = (unsigned char)((s->h[i] >> 16) & 0xFF);
+	output[i * 4 + 2] = (unsigned char)((s->h[i] >> 8) & 0xFF);
+	output[i * 4 + 3] = (unsigned char)((s->h[i]) & 0xFF);
     }
 }