更新libclamav库1.0.0版本

clamav/libclamav/tomsfastmath/misc/fp_ident.c

@@ -0,0 +1,98 @@
+/* TomsFastMath, a fast ISO C bignum library.
+ *
+ * This project is meant to fill in where LibTomMath
+ * falls short.  That is speed ;-)
+ *
+ * This project is public domain and free for all purposes.
+ *
+ * Tom St Denis, tomstdenis@gmail.com
+ */
+#include <tfm_private.h>
+
+const char *fp_ident(void)
+{
+   static char buf[1024];
+
+   memset(buf, 0, sizeof(buf));
+   snprintf(buf, sizeof(buf)-1,
+"TomsFastMath " TFM_VERSION_S "\n"
+#if defined(TFM_IDENT_BUILD_DATE)
+"Built on " __DATE__ " at " __TIME__ "\n"
+#endif
+"\n"
+"Sizeofs\n"
+"\tfp_digit = %lu\n"
+"\tfp_word  = %lu\n"
+"\n"
+"FP_MAX_SIZE = %u\n"
+"\n"
+"Defines: \n"
+#ifdef __i386__
+" __i386__ "
+#endif
+#ifdef __x86_64__
+" __x86_64__ "
+#endif
+#ifdef TFM_X86
+" TFM_X86 "
+#endif
+#ifdef TFM_X86_64
+" TFM_X86_64 "
+#endif
+#ifdef TFM_SSE2
+" TFM_SSE2 "
+#endif
+#ifdef TFM_ARM
+" TFM_ARM "
+#endif
+#ifdef TFM_PPC32
+" TFM_PPC32 "
+#endif
+#ifdef TFM_AVR32
+" TFM_AVR32 "
+#endif
+#ifdef TFM_ECC192
+" TFM_ECC192 "
+#endif
+#ifdef TFM_ECC224
+" TFM_ECC224 "
+#endif
+#ifdef TFM_ECC384
+" TFM_ECC384 "
+#endif
+#ifdef TFM_ECC521
+" TFM_ECC521 "
+#endif
+
+#ifdef TFM_NO_ASM
+" TFM_NO_ASM "
+#endif
+#ifdef FP_64BIT
+" FP_64BIT "
+#endif
+#ifdef TFM_HUGE
+" TFM_HUGE "
+#endif
+"\n", (unsigned long)sizeof(fp_digit), (unsigned long)sizeof(fp_word), FP_MAX_SIZE);
+
+   if (sizeof(fp_digit) == sizeof(fp_word)) {
+      strncat(buf, "WARNING: sizeof(fp_digit) == sizeof(fp_word), this build is likely to not work properly.\n",
+              sizeof(buf) - strlen(buf) - 1);
+   }
+   return buf;
+}
+
+#ifdef STANDALONE
+
+int main(void)
+{
+   printf("%s\n", fp_ident());
+   return 0;
+}
+
+#endif
+
+
+/* $Source$ */
+/* $Revision$ */
+/* $Date$ */

clamav/libclamav/tomsfastmath/misc/fp_rand.c

@@ -0,0 +1,65 @@
+/* TomsFastMath, a fast ISO C bignum library.
+ *
+ * This project is meant to fill in where LibTomMath
+ * falls short.  That is speed ;-)
+ *
+ * This project is public domain and free for all purposes.
+ *
+ * Tom St Denis, tomstdenis@gmail.com
+ */
+#include <tfm_private.h>
+
+#if FP_GEN_RANDOM_MAX == 0xffffffff
+  #define FP_GEN_RANDOM_SHIFT  32
+#elif FP_GEN_RANDOM_MAX == 32767
+  /* SHRT_MAX */
+  #define FP_GEN_RANDOM_SHIFT  15
+#elif FP_GEN_RANDOM_MAX == 2147483647
+  /* INT_MAX */
+  #define FP_GEN_RANDOM_SHIFT  31
+#elif !defined(FP_GEN_RANDOM_SHIFT)
+#error Thou shalt define their own valid FP_GEN_RANDOM_SHIFT
+#endif
+
+/* makes a pseudo-random int of a given size */
+static fp_digit fp_gen_random(void)
+{
+  fp_digit d = 0, msk = 0;
+  do {
+    d <<= FP_GEN_RANDOM_SHIFT;
+    d |= ((fp_digit) FP_GEN_RANDOM());
+    msk <<= FP_GEN_RANDOM_SHIFT;
+    msk |= FP_GEN_RANDOM_MAX;
+  } while ((FP_MASK & msk) != FP_MASK);
+  d &= FP_MASK;
+  return d;
+}
+
+void fp_rand(fp_int *a, int digits)
+{
+   fp_digit d;
+
+   fp_zero(a);
+   if (digits <= 0) {
+     return;
+   }
+
+   /* first place a random non-zero digit */
+   do {
+     d = fp_gen_random();
+   } while (d == 0);
+
+   fp_add_d (a, d, a);
+
+   while (--digits > 0) {
+     fp_lshd (a, 1);
+     fp_add_d (a, fp_gen_random(), a);
+   }
+
+   return;
+
+}
+
+/* $Source$ */
+/* $Revision$ */
+/* $Date$ */

clamav/libclamav/tomsfastmath/misc/fp_set.c

@@ -0,0 +1,21 @@
+/* TomsFastMath, a fast ISO C bignum library.
+ * 
+ * This project is meant to fill in where LibTomMath
+ * falls short.  That is speed ;-)
+ *
+ * This project is public domain and free for all purposes.
+ * 
+ * Tom St Denis, tomstdenis@gmail.com
+ */
+#include <tfm_private.h>
+
+void fp_set(fp_int *a, fp_digit b)
+{
+   fp_zero(a);
+   a->dp[0] = b;
+   a->used  = a->dp[0] ? 1 : 0;
+}
+
+/* $Source$ */
+/* $Revision$ */
+/* $Date$ */