move stdlib internals to _stdlib.h and struct __stdlib

7 files changed, 33 insertions, 12 deletions

diff --git a/src/stdlib/__stdlib.c b/src/stdlib/__stdlib.c
new file mode 100644
index 00000000..bfc601d9
--- /dev/null
+++ b/src/stdlib/__stdlib.c
@@ -0,0 +1,3 @@
+#include "_stdlib.h"
+
+struct __stdlib __stdlib;
diff --git a/src/stdlib/_rand.h b/src/stdlib/_rand.h
deleted file mode 100644
index 7f7102ef..00000000
--- a/src/stdlib/_rand.h
+++ /dev/null
@@ -1,4 +0,0 @@
-#include <limits.h>
-
-#define _rand(_n) \
-	(((_n) = (_n) * 1103515245 + 12345) ? (_n) / UINT_MAX % RAND_MAX : 0)
diff --git a/src/stdlib/_stdlib.h b/src/stdlib/_stdlib.h
new file mode 100644
index 00000000..b0aa3cd2
--- /dev/null
+++ b/src/stdlib/_stdlib.h
@@ -0,0 +1,22 @@
+#ifndef ___STDLIB_H__
+#define ___STDLIB_H__
+
+#include <stdlib.h>
+#include <limits.h>
+
+#define _rand(_n) \
+	(((_n) = (_n) * 1103515245 + 12345) ? (_n) / UINT_MAX % RAND_MAX : 0)
+
+struct __stdlib {
+	struct atexit {
+        	int nfns;
+        	void (*fns[32])(void);
+        	struct atexit *next;
+        	struct atexit *prev;
+	} atexit;
+	unsigned int rand;
+};
+
+extern struct __stdlib __stdlib;
+
+#endif
diff --git a/src/stdlib/atexit.c b/src/stdlib/atexit.c
index aeb9172c..37f0ef72 100644
--- a/src/stdlib/atexit.c
+++ b/src/stdlib/atexit.c
@@ -1,12 +1,12 @@
 #include <stdlib.h>
 #include "errno.h"
-#include "nonstd/lib.h"
+#include "_stdlib.h"
 
 /** register a function to run at program exit **/
 
 int atexit(void (*func)(void))
 {
-	struct atexit *ae = __libc(ATEXIT);
+	struct atexit *ae = &(__stdlib.atexit);
 	while (ae->nfns == sizeof(ae->fns) / sizeof(ae->fns[0])) {
 		if (ae->next == NULL) {
 			ae->next = calloc(1, sizeof(*ae->next));
diff --git a/src/stdlib/exit.c b/src/stdlib/exit.c
index 501131e4..28f87242 100644
--- a/src/stdlib/exit.c
+++ b/src/stdlib/exit.c
@@ -2,12 +2,13 @@
 #include "limits.h"
 #include "stddef.h"
 #include "nonstd/syscall.h"
+#include "_stdlib.h"
 
 /** cause normal program termination **/
 _Noreturn void exit(int status)
 {
 	long scno = __lookup("exit");
-	struct atexit *ae = __libc(ATEXIT);
+	struct atexit *ae = &(__stdlib.atexit);
 
 	/* execute all atexit() registered functions in reverse order */
 	while (ae) {
diff --git a/src/stdlib/rand.c b/src/stdlib/rand.c
index f1a3e3e1..d8f3fcff 100644
--- a/src/stdlib/rand.c
+++ b/src/stdlib/rand.c
@@ -1,11 +1,10 @@
 #include <stdlib.h>
-#include "nonstd/lib.h"
-#include "_rand.h"
+#include "_stdlib.h"
 
 /** get a pseudo-random number **/
 int rand(void)
 {
-	return _rand(*(unsigned*)__libc(RAND));
+	return (int)_rand(__stdlib.rand);
 }
 
 /***
diff --git a/src/stdlib/srand.c b/src/stdlib/srand.c
index 97ed2fec..af61570b 100644
--- a/src/stdlib/srand.c
+++ b/src/stdlib/srand.c
@@ -1,11 +1,11 @@
 #include <stdlib.h>
-#include "nonstd/lib.h"
+#include "_stdlib.h"
 
 /** seed the pseudo-random number generator **/
 
 void srand(unsigned int seed)
 {
-	*((int*)__libc(RAND)) = seed;
+	__stdlib.rand = seed;
 }
 
 /***