Re-organisation + stdint.h and stddef.h

photon/libc/include/machine/_stdint.h

@@ -0,0 +1,243 @@
+#ifndef MACHINE__STDINT_H
+#define MACHINE__STDINT_H
+
+#define __EXP(x) __##x##__
+
+#if ( defined(__LONG_LONG_MAX__) && (__LONG_LONG_MAX__ > 0x7fffffff) ) \
+  || ( defined(LLONG_MAX) && (LLONG_MAX > 0x7fffffff) )
+#define __have_longlong64 1
+#endif
+
+#if __EXP(LONG_MAX) > 0x7fffffff
+#define __have_long64 1
+#elif __EXP(LONG_MAX) == 0x7fffffff && !defined(__SPU__)
+#define __have_long32 1
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifdef __INT8_TYPE__
+typedef __INT8_TYPE__ __int8_t;
+#ifdef __UINT8_TYPE__
+typedef __UINT8_TYPE__ __uint8_t;
+#else
+typedef unsigned __INT8_TYPE__ __uint8_t;
+#endif
+#define ___int8_t_defined 1
+#elif __EXP(SCHAR_MAX) == 0x7f
+typedef signed char __int8_t ;
+typedef unsigned char __uint8_t ;
+#define ___int8_t_defined 1
+#endif
+
+#ifdef __INT16_TYPE__
+typedef __INT16_TYPE__ __int16_t;
+#ifdef __UINT16_TYPE__
+typedef __UINT16_TYPE__ __uint16_t;
+#else
+typedef unsigned __INT16_TYPE__ __uint16_t;
+#endif
+#define ___int16_t_defined 1
+#elif __EXP(INT_MAX) == 0x7fff
+typedef signed int __int16_t;
+typedef unsigned int __uint16_t;
+#define ___int16_t_defined 1
+#elif __EXP(SHRT_MAX) == 0x7fff
+typedef signed short __int16_t;
+typedef unsigned short __uint16_t;
+#define ___int16_t_defined 1
+#elif __EXP(SCHAR_MAX) == 0x7fff
+typedef signed char __int16_t;
+typedef unsigned char __uint16_t;
+#define ___int16_t_defined 1
+#endif
+
+#ifdef __INT32_TYPE__
+typedef __INT32_TYPE__ __int32_t;
+#ifdef __UINT32_TYPE__
+typedef __UINT32_TYPE__ __uint32_t;
+#else
+typedef unsigned __INT32_TYPE__ __uint32_t;
+#endif
+#define ___int32_t_defined 1
+#elif __EXP(INT_MAX) == 0x7fffffffL
+typedef signed int __int32_t;
+typedef unsigned int __uint32_t;
+#define ___int32_t_defined 1
+#elif __EXP(LONG_MAX) == 0x7fffffffL
+typedef signed long __int32_t;
+typedef unsigned long __uint32_t;
+#define ___int32_t_defined 1
+#elif __EXP(SHRT_MAX) == 0x7fffffffL
+typedef signed short __int32_t;
+typedef unsigned short __uint32_t;
+#define ___int32_t_defined 1
+#elif __EXP(SCHAR_MAX) == 0x7fffffffL
+typedef signed char __int32_t;
+typedef unsigned char __uint32_t;
+#define ___int32_t_defined 1
+#endif
+
+#ifdef __INT64_TYPE__
+typedef __INT64_TYPE__ __int64_t;
+#ifdef __UINT64_TYPE__
+typedef __UINT64_TYPE__ __uint64_t;
+#else
+typedef unsigned __INT64_TYPE__ __uint64_t;
+#endif
+#define ___int64_t_defined 1
+#elif __EXP(LONG_MAX) > 0x7fffffff
+typedef signed long __int64_t;
+typedef unsigned long __uint64_t;
+#define ___int64_t_defined 1
+
+/* GCC has __LONG_LONG_MAX__ */
+#elif  defined(__LONG_LONG_MAX__) && (__LONG_LONG_MAX__ > 0x7fffffff)
+typedef signed long long __int64_t;
+typedef unsigned long long __uint64_t;
+#define ___int64_t_defined 1
+
+/* POSIX mandates LLONG_MAX in <limits.h> */
+#elif  defined(LLONG_MAX) && (LLONG_MAX > 0x7fffffff)
+typedef signed long long __int64_t;
+typedef unsigned long long __uint64_t;
+#define ___int64_t_defined 1
+
+#elif  __EXP(INT_MAX) > 0x7fffffff
+typedef signed int __int64_t;
+typedef unsigned int __uint64_t;
+#define ___int64_t_defined 1
+#endif
+
+#ifdef __INT_LEAST8_TYPE__
+typedef __INT_LEAST8_TYPE__ __int_least8_t;
+#ifdef __UINT_LEAST8_TYPE__
+typedef __UINT_LEAST8_TYPE__ __uint_least8_t;
+#else
+typedef unsigned __INT_LEAST8_TYPE__ __uint_least8_t;
+#endif
+#define ___int_least8_t_defined 1
+#elif defined(___int8_t_defined)
+typedef __int8_t __int_least8_t;
+typedef __uint8_t __uint_least8_t;
+#define ___int_least8_t_defined 1
+#elif defined(___int16_t_defined)
+typedef __int16_t __int_least8_t;
+typedef __uint16_t __uint_least8_t;
+#define ___int_least8_t_defined 1
+#elif defined(___int32_t_defined)
+typedef __int32_t __int_least8_t;
+typedef __uint32_t __uint_least8_t;
+#define ___int_least8_t_defined 1
+#elif defined(___int64_t_defined)
+typedef __int64_t __int_least8_t;
+typedef __uint64_t __uint_least8_t;
+#define ___int_least8_t_defined 1
+#endif
+
+#ifdef __INT_LEAST16_TYPE__
+typedef __INT_LEAST16_TYPE__ __int_least16_t;
+#ifdef __UINT_LEAST16_TYPE__
+typedef __UINT_LEAST16_TYPE__ __uint_least16_t;
+#else
+typedef unsigned __INT_LEAST16_TYPE__ __uint_least16_t;
+#endif
+#define ___int_least16_t_defined 1
+#elif defined(___int16_t_defined)
+typedef __int16_t __int_least16_t;
+typedef __uint16_t __uint_least16_t;
+#define ___int_least16_t_defined 1
+#elif defined(___int32_t_defined)
+typedef __int32_t __int_least16_t;
+typedef __uint32_t __uint_least16_t;
+#define ___int_least16_t_defined 1
+#elif defined(___int64_t_defined)
+typedef __int64_t __int_least16_t;
+typedef __uint64_t __uint_least16_t;
+#define ___int_least16_t_defined 1
+#endif
+
+#ifdef __INT_LEAST32_TYPE__
+typedef __INT_LEAST32_TYPE__ __int_least32_t;
+#ifdef __UINT_LEAST32_TYPE__
+typedef __UINT_LEAST32_TYPE__ __uint_least32_t;
+#else
+typedef unsigned __INT_LEAST32_TYPE__ __uint_least32_t;
+#endif
+#define ___int_least32_t_defined 1
+#elif defined(___int32_t_defined)
+typedef __int32_t __int_least32_t;
+typedef __uint32_t __uint_least32_t;
+#define ___int_least32_t_defined 1
+#elif defined(___int64_t_defined)
+typedef __int64_t __int_least32_t;
+typedef __uint64_t __uint_least32_t;
+#define ___int_least32_t_defined 1
+#endif
+
+#ifdef __INT_LEAST64_TYPE__
+typedef __INT_LEAST64_TYPE__ __int_least64_t;
+#ifdef __UINT_LEAST64_TYPE__
+typedef __UINT_LEAST64_TYPE__ __uint_least64_t;
+#else
+typedef unsigned __INT_LEAST64_TYPE__ __uint_least64_t;
+#endif
+#define ___int_least64_t_defined 1
+#elif defined(___int64_t_defined)
+typedef __int64_t __int_least64_t;
+typedef __uint64_t __uint_least64_t;
+#define ___int_least64_t_defined 1
+#endif
+
+#if defined(__INTMAX_TYPE__)
+typedef __INTMAX_TYPE__ __intmax_t;
+#elif __have_longlong64
+typedef signed long long __intmax_t;
+#else
+typedef signed long __intmax_t;
+#endif
+
+#if defined(__UINTMAX_TYPE__)
+typedef __UINTMAX_TYPE__ __uintmax_t;
+#elif __have_longlong64
+typedef unsigned long long __uintmax_t;
+#else
+typedef unsigned long __uintmax_t;
+#endif
+
+#ifdef __INTPTR_TYPE__
+typedef __INTPTR_TYPE__ __intptr_t;
+#ifdef __UINTPTR_TYPE__
+typedef __UINTPTR_TYPE__ __uintptr_t;
+#else
+typedef unsigned __INTPTR_TYPE__ __uintptr_t;
+#endif
+#elif defined(__PTRDIFF_TYPE__)
+typedef __PTRDIFF_TYPE__ __intptr_t;
+typedef unsigned __PTRDIFF_TYPE__ __uintptr_t;
+#else
+typedef long __intptr_t;
+typedef unsigned long __uintptr_t;
+#endif
+
+typedef __int8_t __int_fast8_t;
+typedef __uint8_t __uint_fast8_t;
+
+typedef __int16_t __int_fast16_t;
+typedef __uint16_t __uint_fast16_t;
+
+typedef __int32_t __int_fast32_t;
+typedef __uint32_t __uint_fast32_t;
+
+typedef __int64_t __int_fast64_t;
+typedef __uint64_t __uint_fast64_t;
+
+#undef __EXP
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _MACHINE__STDINT_H */

photon/libc/include/stddef.h

@@ -0,0 +1,21 @@
+#ifndef STDDEF_H_
+#define STDDEF_H_
+
+#include <machine/_stdint.h>
+
+#define NULL ((void *)0)
+#define offsetof(t, m) ((size_t)(&(t *)0)->m)
+
+#if defined(__cplusplus)
+extern "C" {
+#endif
+
+typedef __intptr_t ptrdiff_t;
+typedef __uintptr_t size_t;
+typedef int wchar_t;
+
+#if defined(__cplusplus)
+}
+#endif
+
+#endif

photon/libc/include/stdint.h

@@ -0,0 +1,53 @@
+#ifndef STDINT_H_
+#define STDINT_H_
+
+#include <machine/_stdint.h>
+
+typedef __int8_t int8_t;
+typedef __uint8_t uint8_t;
+
+typedef __int16_t int16_t;
+typedef __uint16_t uint16_t;
+
+typedef __int32_t int32_t;
+typedef __uint32_t uint32_t;
+
+typedef __int64_t int64_t;
+typedef __uint64_t uint64_t;
+
+typedef __intptr_t intptr_t;
+typedef __uintptr_t uintptr_t;
+
+typedef __int_least8_t int_least8_t;
+typedef __uint_least8_t uint_least8_t;
+
+typedef __int_least16_t int_least16_t;
+typedef __uint_least16_t uint_least16_t;
+
+typedef __int_least32_t int_least32_t;
+typedef __uint_least32_t uint_least32_t;
+
+typedef __int_least64_t int_least64_t;
+typedef __uint_least64_t uint_least64_t;
+
+typedef __int_fast8_t int_fast8_t;
+typedef __uint_fast8_t uint_fast8_t;
+
+typedef __int_fast16_t int_fast16_t;
+typedef __uint_fast16_t uint_fast16_t;
+
+typedef __int_fast32_t int_fast32_t;
+typedef __uint_fast32_t uint_fast32_t;
+
+typedef __int_fast64_t int_fast64_t;
+typedef __uint_fast64_t uint_fast64_t;
+
+typedef __intmax_t intmax_t;
+typedef __uintmax_t uintmax_t;
+
+typedef __intptr_t intptr_t;
+typedef __uintptr_t uintptr_t;
+
+typedef
+
+#endif

photon/libc/include/string.h

@@ -0,0 +1,16 @@
+#ifndef STRING_H_
+#define STRING_H_
+
+#include <stddef.h>
+
+#if defined(__cplusplus)
+extern "C" {
+#endif
+
+extern size_t strlen(const char *str);
+
+#if defined(__cplusplus)
+} /* extern "C" */
+#endif
+
+#endif

photon/libc/string/strlen.c

@@ -0,0 +1,11 @@
+#include <string.h>
+
+size_t strlen(const char *str)
+{
+    const char *start = str;
+    while (*str) {
+        str++;
+    }
+
+    return str - start;
+}