X-Git-Url: https://pd.if.org/git/?a=blobdiff_plain;f=libtomcrypt%2Fsrc%2Fmath%2Fmulti.c;fp=libtomcrypt%2Fsrc%2Fmath%2Fmulti.c;h=cfe1451256722584ecc74fa26493d794491f3ac0;hb=66bc25938679f1d6a1d1200f329093d82a5e99b4;hp=0000000000000000000000000000000000000000;hpb=a52ee0733f420ca20224049260d6fc5cf7d8f621;p=zpackage

diff --git a/libtomcrypt/src/math/multi.c b/libtomcrypt/src/math/multi.c
new file mode 100644
index 0000000..cfe1451
--- /dev/null
+++ b/libtomcrypt/src/math/multi.c
@@ -0,0 +1,76 @@
+/* LibTomCrypt, modular cryptographic library -- Tom St Denis
+ *
+ * LibTomCrypt is a library that provides various cryptographic
+ * algorithms in a highly modular and flexible manner.
+ *
+ * The library is free for all purposes without any express
+ * guarantee it works.
+ */
+#include "tomcrypt.h"
+
+#ifdef LTC_MPI
+#include <stdarg.h>
+
+int ltc_init_multi(void **a, ...)
+{
+   void    **cur = a;
+   int       np  = 0;
+   va_list   args;
+
+   va_start(args, a);
+   while (cur != NULL) {
+       if (mp_init(cur) != CRYPT_OK) {
+          /* failed */
+          va_list clean_list;
+
+          va_start(clean_list, a);
+          cur = a;
+          while (np--) {
+              mp_clear(*cur);
+              cur = va_arg(clean_list, void**);
+          }
+          va_end(clean_list);
+          va_end(args);
+          return CRYPT_MEM;
+       }
+       ++np;
+       cur = va_arg(args, void**);
+   }
+   va_end(args);
+   return CRYPT_OK;
+}
+
+void ltc_deinit_multi(void *a, ...)
+{
+   void     *cur = a;
+   va_list   args;
+
+   va_start(args, a);
+   while (cur != NULL) {
+       mp_clear(cur);
+       cur = va_arg(args, void *);
+   }
+   va_end(args);
+}
+
+void ltc_cleanup_multi(void **a, ...)
+{
+   void **cur = a;
+   va_list args;
+
+   va_start(args, a);
+   while (cur != NULL) {
+      if (*cur != NULL) {
+         mp_clear(*cur);
+         *cur = NULL;
+      }
+      cur = va_arg(args, void**);
+   }
+   va_end(args);
+}
+
+#endif
+
+/* ref:         $Format:%D$ */
+/* git commit:  $Format:%H$ */
+/* commit time: $Format:%ai$ */