Remove redundant include headers.

- stdlib.h
- stddef.h
- stdint.h
- stdarg.h
- limits.h
- float.h

10 files changed, 1 insertions, 11 deletions

diff --git a/mrbgems/mruby-bin-debugger/tools/mrdb/apilist.c b/mrbgems/mruby-bin-debugger/tools/mrdb/apilist.c
index 368ececcf..27db02b48 100644
--- a/mrbgems/mruby-bin-debugger/tools/mrdb/apilist.c
+++ b/mrbgems/mruby-bin-debugger/tools/mrdb/apilist.c
@@ -3,7 +3,6 @@
  */
 
 #include <ctype.h>
-#include <stdlib.h>
 #include <string.h>
 
 #include "mrdb.h"
diff --git a/mrbgems/mruby-compiler/core/codegen.c b/mrbgems/mruby-compiler/core/codegen.c
index c0d39dcb7..026745e39 100644
--- a/mrbgems/mruby-compiler/core/codegen.c
+++ b/mrbgems/mruby-compiler/core/codegen.c
@@ -5,7 +5,6 @@
 */
 
 #include <ctype.h>
-#include <stdlib.h>
 #include <string.h>
 #include <math.h>
 #include <mruby.h>
diff --git a/mrbgems/mruby-io/src/file.c b/mrbgems/mruby-io/src/file.c
index b9e1eca03..6c62db662 100644
--- a/mrbgems/mruby-io/src/file.c
+++ b/mrbgems/mruby-io/src/file.c
@@ -14,7 +14,6 @@
 #include <sys/stat.h>
 
 #include <fcntl.h>
-#include <limits.h>
 
 #include <errno.h>
 #include <stdlib.h>
diff --git a/mrbgems/mruby-math/src/math.c b/mrbgems/mruby-math/src/math.c
index 0b85b1763..8eccc03e5 100644
--- a/mrbgems/mruby-math/src/math.c
+++ b/mrbgems/mruby-math/src/math.c
@@ -25,8 +25,6 @@ domain_error(mrb_state *mrb, const char *func)
 /* math functions not provided by Microsoft Visual C++ 2012 or older */
 #if defined _MSC_VER && _MSC_VER <= 1700
 
-#include <float.h>
-
 double
 asinh(double x)
 {
diff --git a/mrbgems/mruby-numeric-ext/src/numeric_ext.c b/mrbgems/mruby-numeric-ext/src/numeric_ext.c
index 00b13174f..b85f9b163 100644
--- a/mrbgems/mruby-numeric-ext/src/numeric_ext.c
+++ b/mrbgems/mruby-numeric-ext/src/numeric_ext.c
@@ -1,4 +1,3 @@
-#include <limits.h>
 #include <mruby.h>
 #include <mruby/numeric.h>
 #include <mruby/presym.h>
diff --git a/mrbgems/mruby-print/src/print.c b/mrbgems/mruby-print/src/print.c
index c98bfb7bf..789808deb 100644
--- a/mrbgems/mruby-print/src/print.c
+++ b/mrbgems/mruby-print/src/print.c
@@ -6,7 +6,6 @@
 
 #include <mruby/string.h>
 #include <string.h>
-#include <stdlib.h>
 #if defined(_WIN32)
 # include <windows.h>
 # include <io.h>
diff --git a/mrbgems/mruby-random/src/random.c b/mrbgems/mruby-random/src/random.c
index 9712fbd7e..a1f44f105 100644
--- a/mrbgems/mruby-random/src/random.c
+++ b/mrbgems/mruby-random/src/random.c
@@ -22,8 +22,6 @@ worldwide. This software is distributed without any warranty.
 
 See <https://creativecommons.org/publicdomain/zero/1.0/>. */
 
-#include <stdint.h>
-
 /* This is xoshiro128++ 1.0, one of our 32-bit all-purpose, rock-solid
    generators. It has excellent speed, a state size (128 bits) that is
    large enough for mild parallelism, and it passes all tests we are aware
diff --git a/mrbgems/mruby-socket/src/socket.c b/mrbgems/mruby-socket/src/socket.c
index c7de66d41..a7a06e6ef 100644
--- a/mrbgems/mruby-socket/src/socket.c
+++ b/mrbgems/mruby-socket/src/socket.c
@@ -31,7 +31,6 @@
   typedef size_t fsize_t;
 #endif
 
-#include <stddef.h>
 #include <string.h>
 
 #include "mruby.h"
diff --git a/mrbgems/mruby-sprintf/src/sprintf.c b/mrbgems/mruby-sprintf/src/sprintf.c
index ea9d74d95..362d24651 100644
--- a/mrbgems/mruby-sprintf/src/sprintf.c
+++ b/mrbgems/mruby-sprintf/src/sprintf.c
@@ -5,7 +5,6 @@
 */
 
 #include <mruby.h>
-#include <limits.h>
 #include <string.h>
 #include <mruby/string.h>
 #include <mruby/hash.h>
diff --git a/mrbgems/mruby-time/src/time.c b/mrbgems/mruby-time/src/time.c
index 299d4d7e1..ce822b1f4 100644
--- a/mrbgems/mruby-time/src/time.c
+++ b/mrbgems/mruby-time/src/time.c
@@ -20,6 +20,7 @@
 #include <string.h>
 #endif
 
+
 #include <stdlib.h>
 #ifndef _WIN32
 #include <unistd.h>