Handling windows exceptiuon where stdlib.h on MSYS and mingw has RAND…

…_MAX = 0x7fff.

.gitignore

@@ -8,6 +8,7 @@
 *.trs
 *.core
 .tmp.*
+*.exe
 
 # Generated by `autoreconf`
 config/

skeletons/asn_random_fill.c

@@ -42,17 +42,22 @@ asn_random_between(intmax_t lb, intmax_t rb) {
         uintmax_t range = asn__intmax_range(lb, rb);
         uintmax_t value = 0;
         uintmax_t got_entropy = 0;
-
         (void)intmax_max;
-        assert(RAND_MAX > 0xffffff);    /* Seen 7ffffffd! */
+        int max = 0xffffff;
+
+#ifdef __WIN32__
+        max = RAND_MAX-1;
+#endif
+
+        assert(RAND_MAX > max);    /* Seen 7ffffffd! */
         assert(range < intmax_max);
 
         for(; got_entropy < range;) {
-            got_entropy = (got_entropy << 24) | 0xffffff;
+            got_entropy = (got_entropy << 24) | max;
 #ifdef HAVE_RANDOM
-            value = (value << 24) | (random() % 0xffffff);
+            value = (value << 24) | (random() % max);
 #else
-            value = (value << 24) | (rand() % 0xffffff);
+            value = (value << 24) | (rand() % max);
 #endif
         }
 

skeletons/converter-example.c

@@ -70,6 +70,11 @@ static void   junk_bytes_with_probability(uint8_t *, size_t, double prob);
 #define RANDOPT "R:"
 static ssize_t random_max_size = 0; /* Size of the random data */
 
+#if defined(__WIN32__) && defined(JUNKTEST)
+#define random rand
+#define srandom srand
+#endif
+
 #if !defined(__FreeBSD__) && !(defined(__APPLE__) && defined(__MACH__))
 static void
 srandomdev(void) {