Remove unnecessary header inclusion

15 files changed, 2 insertions, 39 deletions

diff --git a/include/mruby/khash.h b/include/mruby/khash.h
index 0803521b7..09b23f6af 100644
--- a/include/mruby/khash.h
+++ b/include/mruby/khash.h
@@ -12,7 +12,6 @@ extern "C" {
 #endif
 
 #include <stdint.h>
-#include <stdlib.h>
 #include <string.h>
 
 typedef uint32_t khint_t;
diff --git a/src/cdump.c b/src/cdump.c
index 16c1dc8ae..a4a2ac5e1 100644
--- a/src/cdump.c
+++ b/src/cdump.c
@@ -10,7 +10,6 @@
 
 #include "mruby/irep.h"
 #include "mruby/string.h"
-#include "re.h"
 
 #define MRB_CDUMP_LINE_LEN 128
 
diff --git a/src/codegen.c b/src/codegen.c
index 6db09f310..9166b7144 100644
--- a/src/codegen.c
+++ b/src/codegen.c
@@ -10,15 +10,12 @@
 #include "mruby.h"
 #include "mruby/string.h"
 #include "mruby/irep.h"
-#include "mruby/proc.h"
 #include "mruby/compile.h"
 #include "mruby/numeric.h"
 #include "opcode.h"
 #include "node.h"
 #include <string.h>
 #include <stdlib.h>
-#include <errno.h>
-#include <limits.h>
 #include <ctype.h>
 
 typedef mrb_ast_node node;
diff --git a/src/error.c b/src/error.c
index e46e37cbb..5bfbc4319 100644
--- a/src/error.c
+++ b/src/error.c
@@ -6,14 +6,9 @@
 
 #include "mruby.h"
 #include <stdarg.h>
-#include <string.h>
 #include <stdio.h>
 #include <setjmp.h>
 #include "error.h"
-#include "opcode.h"
-#include "mruby/irep.h"
-#include "mruby/proc.h"
-#include "mruby/numeric.h"
 #include "mruby/variable.h"
 #include "mruby/string.h"
 #include "mruby/class.h"
diff --git a/src/gc.c b/src/gc.c
index ada0bf31f..3c00bb015 100644
--- a/src/gc.c
+++ b/src/gc.c
@@ -11,12 +11,10 @@
 #include "mruby/string.h"
 #include "mruby/hash.h"
 #include "mruby/range.h"
-#include "mruby/khash.h"
 #include <string.h>
 #include "mruby/struct.h"
 #include "mruby/proc.h"
 #include "mruby/data.h"
-#include "mruby/numeric.h"
 #include "mruby/variable.h"
 
 /*
@@ -101,6 +99,7 @@ typedef struct {
 } RVALUE;
 
 #ifdef GC_PROFILE
+#include <stdio.h>
 #include <sys/time.h>
 
 static double program_invoke_time = 0;
diff --git a/src/hash.c b/src/hash.c
index ed8b70270..dacef4713 100644
--- a/src/hash.c
+++ b/src/hash.c
@@ -11,7 +11,6 @@
 #include "mruby/array.h"
 #include "mruby/string.h"
 #include "mruby/variable.h"
-#include <string.h>
 
 static inline khint_t
 mrb_hash_ht_hash_func(mrb_state *mrb, mrb_value key)
diff --git a/src/kernel.c b/src/kernel.c
index 240c0dcb3..f5a1f3d53 100644
--- a/src/kernel.c
+++ b/src/kernel.c
@@ -6,14 +6,9 @@
 
 #include "mruby.h"
 #include "mruby/string.h"
-#include <string.h>
-#include <stdlib.h>
 #include "mruby/proc.h"
-#include "mruby/range.h"
 #include "mruby/array.h"
-#include "mruby/hash.h"
 #include "mruby/class.h"
-#include "mruby/struct.h"
 #include "mruby/variable.h"
 #include "error.h"
 
diff --git a/src/numeric.c b/src/numeric.c
index 6638cf62c..ec3f97ca6 100644
--- a/src/numeric.c
+++ b/src/numeric.c
@@ -8,11 +8,7 @@
 #include "mruby/numeric.h"
 #include "mruby/string.h"
 #include "mruby/array.h"
-#include <string.h>
-#include "mruby/class.h"
-#include "mruby/variable.h"
 
-#include <ctype.h>
 #include <math.h>
 #include <stdio.h>
 #include <assert.h>
diff --git a/src/proc.c b/src/proc.c
index 98f753ac6..3e9bf1f67 100644
--- a/src/proc.c
+++ b/src/proc.c
@@ -6,7 +6,6 @@
 
 #include "mruby.h"
 #include "mruby/proc.h"
-#include "mruby/array.h"
 #include "mruby/class.h"
 #include "opcode.h"
 
diff --git a/src/range.c b/src/range.c
index 703ad12aa..b05836914 100644
--- a/src/range.c
+++ b/src/range.c
@@ -7,9 +7,6 @@
 #include "mruby.h"
 #include "mruby/class.h"
 #include "mruby/range.h"
-#include "mruby/variable.h"
-#include "error.h"
-#include "mruby/numeric.h"
 #include "mruby/string.h"
 #include <string.h>
 
diff --git a/src/sprintf.c b/src/sprintf.c
index b597ff343..519e40b4b 100644
--- a/src/sprintf.c
+++ b/src/sprintf.c
@@ -15,7 +15,6 @@
 #include "mruby/hash.h"
 #include "mruby/numeric.h"
 #include <math.h>
-#include <stdarg.h>
 #include <ctype.h>
 
 #ifdef HAVE_IEEEFP_H
diff --git a/src/string.c b/src/string.c
index 14da83c51..e41116ebc 100644
--- a/src/string.c
+++ b/src/string.c
@@ -10,11 +10,10 @@
 #include <string.h>
 #include "mruby/string.h"
 #include <ctype.h>
-#include "mruby/numeric.h"
+#include <limits.h>
 #include "mruby/range.h"
 #include "mruby/array.h"
 #include "mruby/class.h"
-#include "mruby/variable.h"
 #include <stdio.h>
 #ifdef ENABLE_REGEXP
 #include "re.h"
diff --git a/src/struct.c b/src/struct.c
index 25cd02d3d..6d8ce057f 100644
--- a/src/struct.c
+++ b/src/struct.c
@@ -17,13 +17,9 @@
 #include "encoding.h"
 #endif
 
-#include "mruby/numeric.h"
-#include "mruby/hash.h"
 #include "mruby/string.h"
 #include "mruby/class.h"
 #include "mruby/variable.h"
-#include "mruby/range.h"
-#include "error.h"
 //#include "defines.h"
 #define mrb_long2int(n) ((int)(n))
 
diff --git a/src/symbol.c b/src/symbol.c
index baab0fb3c..40484d4b5 100644
--- a/src/symbol.c
+++ b/src/symbol.c
@@ -8,12 +8,8 @@
 #include "mruby/khash.h"
 #include <string.h>
 
-#include <stdarg.h>
-#include <string.h>
 #include "mruby/string.h"
 #include <ctype.h>
-#include "mruby/class.h"
-#include "mruby/variable.h"
 
 /* ------------------------------------------------------ */
 typedef struct symbol_name {
diff --git a/src/variable.c b/src/variable.c
index e2f3a7d08..be686bf72 100644
--- a/src/variable.c
+++ b/src/variable.c
@@ -8,8 +8,6 @@
 #include "mruby/class.h"
 #include "mruby/khash.h"
 #include "mruby/variable.h"
-#include "mruby/string.h"
-#include "mruby/range.h"
 #include "error.h"
 #include "mruby/array.h"