Silence warnings from implicit integer conversions.

Caused from combination of `mrb_int`, `int` and `size_t`..

include/mruby.h

@@ -1040,8 +1040,8 @@ MRB_API mrb_value mrb_get_arg1(mrb_state *mrb);
  * @param ... Variadic values(not type safe!).
  * @return [mrb_value] mruby function value.
  */
-MRB_API mrb_value mrb_funcall(mrb_state *mrb, mrb_value val, const char *name, mrb_int argc, ...);
-MRB_API mrb_value mrb_funcall_id(mrb_state *mrb, mrb_value val, mrb_sym mid, mrb_int argc, ...);
+MRB_API mrb_value mrb_funcall(mrb_state *mrb, mrb_value val, const char *name, int argc, ...);
+MRB_API mrb_value mrb_funcall_id(mrb_state *mrb, mrb_value val, mrb_sym mid, int argc, ...);
 /**
  * Call existing ruby functions. This is basically the type safe version of mrb_funcall.
  *
@@ -1070,11 +1070,11 @@ MRB_API mrb_value mrb_funcall_id(mrb_state *mrb, mrb_value val, mrb_sym mid, mrb
  * @return [mrb_value] mrb_value mruby function value.
  * @see mrb_funcall
  */
-MRB_API mrb_value mrb_funcall_argv(mrb_state *mrb, mrb_value val, mrb_sym name, mrb_int argc, const mrb_value *argv);
+MRB_API mrb_value mrb_funcall_argv(mrb_state *mrb, mrb_value val, mrb_sym name, int argc, const mrb_value *argv);
 /**
  * Call existing ruby functions with a block.
  */
-MRB_API mrb_value mrb_funcall_with_block(mrb_state *mrb, mrb_value val, mrb_sym name, mrb_int argc, const mrb_value *argv, mrb_value block);
+MRB_API mrb_value mrb_funcall_with_block(mrb_state *mrb, mrb_value val, mrb_sym name, int argc, const mrb_value *argv, mrb_value block);
 /**
  * Create a symbol from C string. But usually it's better to use MRB_SYM(sym) and MRB_QSYM(qsym).
  *

mrbgems/mruby-complex/src/complex.c

@@ -122,7 +122,7 @@ complex_to_i(mrb_state *mrb, mrb_value self)
   if (p->imaginary != 0) {
     mrb_raisef(mrb, E_RANGE_ERROR, "can't convert %v into Float", self);
   }
-  return mrb_int_value(mrb, p->real);
+  return mrb_int_value(mrb, (mrb_int)p->real);
 }
 
 static mrb_value

mrbgems/mruby-print/src/print.c

@@ -22,7 +22,7 @@ printstr(mrb_state *mrb, const char *p, size_t len)
 #if defined(_WIN32)
   if (isatty(fileno(stdout))) {
     DWORD written;
-    int wlen = MultiByteToWideChar(CP_UTF8, 0, p, len, NULL, 0);
+    size_t wlen = MultiByteToWideChar(CP_UTF8, 0, p, len, NULL, 0);
     wchar_t* utf16 = (wchar_t*)mrb_malloc(mrb, (wlen+1) * sizeof(wchar_t));
     if (MultiByteToWideChar(CP_UTF8, 0, p, len, utf16, wlen) > 0) {
       utf16[wlen] = 0;

src/class.c

@@ -50,7 +50,7 @@ mt_new(mrb_state *mrb)
   return t;
 }
 
-static struct mt_elem *mt_put(mrb_state *mrb, mt_tbl *t, mrb_sym sym, int func_p, union mt_ptr ptr);
+static struct mt_elem *mt_put(mrb_state *mrb, mt_tbl *t, mrb_sym sym, size_t func_p, union mt_ptr ptr);
 
 static void
 mt_rehash(mrb_state *mrb, mt_tbl *t)
@@ -81,7 +81,7 @@ mt_rehash(mrb_state *mrb, mt_tbl *t)
 
 /* Set the value for the symbol in the method table. */
 static struct mt_elem*
-mt_put(mrb_state *mrb, mt_tbl *t, mrb_sym sym, int func_p, union mt_ptr ptr)
+mt_put(mrb_state *mrb, mt_tbl *t, mrb_sym sym, size_t func_p, union mt_ptr ptr)
 {
   size_t hash, pos, start;
   struct mt_elem *dslot = NULL;

src/vm.c

@@ -333,7 +333,7 @@ static mrb_value mrb_run(mrb_state *mrb, const struct RProc* proc, mrb_value sel
 #endif
 
 MRB_API mrb_value
-mrb_funcall(mrb_state *mrb, mrb_value self, const char *name, mrb_int argc, ...)
+mrb_funcall(mrb_state *mrb, mrb_value self, const char *name, int argc, ...)
 {
   mrb_value argv[MRB_FUNCALL_ARGC_MAX];
   va_list ap;
@@ -353,7 +353,7 @@ mrb_funcall(mrb_state *mrb, mrb_value self, const char *name, mrb_int argc, ...)
 }
 
 MRB_API mrb_value
-mrb_funcall_id(mrb_state *mrb, mrb_value self, mrb_sym mid, mrb_int argc, ...)
+mrb_funcall_id(mrb_state *mrb, mrb_value self, mrb_sym mid, int argc, ...)
 {
   mrb_value argv[MRB_FUNCALL_ARGC_MAX];
   va_list ap;
@@ -396,7 +396,7 @@ ci_nregs(mrb_callinfo *ci)
 }
 
 MRB_API mrb_value
-mrb_funcall_with_block(mrb_state *mrb, mrb_value self, mrb_sym mid, mrb_int argc, const mrb_value *argv, mrb_value blk)
+mrb_funcall_with_block(mrb_state *mrb, mrb_value self, mrb_sym mid, int argc, const mrb_value *argv, mrb_value blk)
 {
   mrb_value val;
   int ai = mrb_gc_arena_save(mrb);
@@ -497,7 +497,7 @@ mrb_funcall_with_block(mrb_state *mrb, mrb_value self, mrb_sym mid, mrb_int argc
 }
 
 MRB_API mrb_value
-mrb_funcall_argv(mrb_state *mrb, mrb_value self, mrb_sym mid, mrb_int argc, const mrb_value *argv)
+mrb_funcall_argv(mrb_state *mrb, mrb_value self, mrb_sym mid, int argc, const mrb_value *argv)
 {
   return mrb_funcall_with_block(mrb, self, mid, argc, argv, mrb_nil_value());
 }
@@ -849,7 +849,7 @@ argnum_error(mrb_state *mrb, mrb_int num)
 {
   mrb_value exc;
   mrb_value str;
-  mrb_int argc = mrb->c->ci->argc;
+  int argc = mrb->c->ci->argc;
 
   if (argc < 0) {
     mrb_value args = mrb->c->stack[1];
@@ -1303,7 +1303,7 @@ RETRY_TRY_BLOCK:
         struct RBreak *brk = (struct RBreak*)mrb->exc;
         mrb_value target = mrb_break_value_get(brk);
         mrb_assert(mrb_integer_p(target));
-        a = mrb_integer(target);
+        a = (uint32_t)mrb_integer(target);
         mrb_assert(a >= 0 && a < irep->ilen);
       }
       CHECKPOINT_MAIN(RBREAK_TAG_JUMP) {