diff options
Diffstat (limited to 'dbg_mlc.c')
| -rw-r--r-- | dbg_mlc.c | 26 |
1 files changed, 12 insertions, 14 deletions
@@ -54,23 +54,20 @@ } #endif /* !SHORT_DBG_HDRS */ +#ifdef KEEP_BACK_PTRS + #ifdef LINT2 - long GC_random(void) + static int GC_rand(void) { - static unsigned seed = 1; /* not thread-safe */ + static GC_RAND_STATE_T seed; - /* Linear congruential pseudo-random numbers generator. */ - seed = (seed * 1103515245U + 12345) & GC_RAND_MAX; /* overflow is ok */ - return (long)seed; + return GC_RAND_NEXT(&seed); } -#endif -#ifdef KEEP_BACK_PTRS - -#ifdef LINT2 -# define RANDOM() GC_random() +# define RANDOM() (long)GC_rand() #else # include <stdlib.h> +# undef GC_RAND_MAX # define GC_RAND_MAX RAND_MAX # if defined(__GLIBC__) || defined(SOLARIS) \ @@ -163,16 +160,17 @@ GC_API void * GC_CALL GC_generate_random_heap_address(void) { size_t i; - word heap_offset = RANDOM(); + word heap_offset = (word)RANDOM(); - if (GC_heapsize > GC_RAND_MAX) { + if (GC_heapsize > (word)GC_RAND_MAX) { heap_offset *= GC_RAND_MAX; - heap_offset += RANDOM(); + heap_offset += (word)RANDOM(); } heap_offset %= GC_heapsize; /* This doesn't yield a uniform distribution, especially if */ - /* e.g. RAND_MAX = 1.5* GC_heapsize. But for typical cases, */ + /* e.g. RAND_MAX is 1.5*GC_heapsize. But for typical cases, */ /* it's not too bad. */ + for (i = 0;; ++i) { size_t size; |