fix gem bugs

Author: hasumikin

mrbgems/picoruby-filesystem-fat/src/mruby/fat.c

@@ -310,7 +310,7 @@ void
 mrb_FAT_init_spi(mrb_state *mrb, mrb_value self)
 {
   const char *unit_name;
-  int sck, cipo, copi, cs;
+  mrb_int sck, cipo, copi, cs;
   mrb_get_args(mrb, "ziiii", &unit_name, &sck, &cipo, &copi, &cs);
   if (FAT_set_spi_unit(unit_name, sck, cipo, copi, cs) < 0) {
     mrb_raise(mrb, E_RUNTIME_ERROR, "Invalid SPI unit.");

mrbgems/picoruby-filesystem-fat/src/mruby/fat_file.c

@@ -87,8 +87,8 @@ static mrb_value
 mrb_seek(mrb_state *mrb, mrb_value self)
 {
   FIL *fp = (FIL *)mrb_data_get_ptr(mrb, self, &mrb_fat_file_type);
-  int ofs;
-  int whence;
+  mrb_int ofs;
+  mrb_int whence;
   mrb_get_args(mrb, "ii", &ofs, &whence);
   FSIZE_t size = f_size(fp);
   FSIZE_t new_pos;

mrbgems/picoruby-i2c/src/mruby/i2c.c

@@ -42,7 +42,7 @@ mrb__read(mrb_state *mrb, mrb_value self)
 
   mrb_value duration_1byte = mrb_iv_get(mrb, self, MRB_IVSYM(duration_1byte));
 
-  int ary_len = RARRAY_LEN(outputs);
+  mrb_int ary_len = RARRAY_LEN(outputs);
   uint8_t rxdata[ary_len];
   int ret = I2C_read_timeout_us(
               (uint8_t)i2c_adrs_7,

mrbgems/picoruby-shell/shell_executables/cat.rb

@@ -2,7 +2,7 @@
   if File.file?(arg)
     File.open arg, "r" do |f|
       f.each_line do |line|
-        puts line
+        print line
       end
     end
   else