add minilibc

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@88 bbd45198-f89e-11dd-88c7-29a3b14d5316

libc/minilibc/ctype.c

@@ -0,0 +1,32 @@
+/*
+ * File      : ctype.c
+ * This file is part of RT-Thread RTOS
+ * COPYRIGHT (C) 2008, RT-Thread Development Team
+ *
+ * The license and distribution terms for this file may be
+ * found in the file LICENSE in this distribution or at
+ * http://www.rt-thread.org/license/LICENSE
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2008-08-14     Bernard      the first version
+ */
+
+#include <rtthread.h>
+#include <sys/types.h>
+
+#if !defined (RT_USING_NEWLIB) && defined (RT_USING_MINILIBC)
+#include "ctype.h"
+
+int isprint (int ch)
+{
+	ch&=0x7f;
+	return (ch>=32 && ch<127);
+}
+
+int isalpha(int ch)
+{
+	return (unsigned int)((ch | 0x20) - 'a') < 26u;
+}
+
+#endif

libc/minilibc/ctype.h

@@ -0,0 +1,20 @@
+/*
+ * File      : ctype.h
+ * This file is part of RT-Thread RTOS
+ * COPYRIGHT (C) 2008, RT-Thread Development Team
+ *
+ * The license and distribution terms for this file may be
+ * found in the file LICENSE in this distribution or at
+ * http://www.rt-thread.org/license/LICENSE
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2008-08-14     Bernard      the first version
+ */
+#ifndef __CTYPE_H__
+#define __CTYPE_H__
+
+int isprint(int c) __attribute__ ((__const__));
+int isalpha (int c) __attribute__ ((__const__));
+
+#endif

libc/minilibc/stddef.h

@@ -0,0 +1,4 @@
+#ifndef __STDDEF_H__
+#define __STDDEF_H__
+
+#endif

libc/minilibc/stdlib.c

@@ -0,0 +1,41 @@
+/*
+ * File      : stdlib.c
+ * This file is part of RT-Thread RTOS
+ * COPYRIGHT (C) 2008, RT-Thread Development Team
+ *
+ * The license and distribution terms for this file may be
+ * found in the file LICENSE in this distribution or at
+ * http://www.rt-thread.org/license/LICENSE
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2008-08-14     Bernard      the first version
+ */
+
+#include <rtthread.h>
+
+#if !defined (RT_USING_NEWLIB) && defined (RT_USING_MINILIBC)
+#include "stdlib.h"
+
+int errno = 0;
+int atoi(const char* s)
+{
+	long int v=0;
+	int sign=1;
+	while ( *s == ' '  ||  (unsigned int)(*s - 9) < 5u) s++;
+	switch (*s)
+	{
+	case '-':
+		sign=-1;
+	case '+':
+		++s;
+	}
+	while ((unsigned int) (*s - '0') < 10u)
+	{
+		v=v*10+*s-'0';
+		++s;
+	}
+	return sign==-1?-v:v;
+}
+
+#endif

libc/minilibc/stdlib.h

@@ -0,0 +1,22 @@
+/*
+ * File      : stdlib.h
+ * This file is part of RT-Thread RTOS
+ * COPYRIGHT (C) 2008, RT-Thread Development Team
+ *
+ * The license and distribution terms for this file may be
+ * found in the file LICENSE in this distribution or at
+ * http://www.rt-thread.org/license/LICENSE
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2008-08-14     Bernard      the first version
+ */
+
+#ifndef __STDLIB_H__
+#define __STDLIB_H__
+
+#if !defined (RT_USING_NEWLIB) && defined (RT_USING_MINILIBC)
+int atoi(const char *nptr);
+#endif
+
+#endif

libc/minilibc/string.h

@@ -0,0 +1,70 @@
+/*
+ * File      : string.h
+ * This file is part of RT-Thread RTOS
+ * COPYRIGHT (C) 2008, RT-Thread Development Team
+ *
+ * The license and distribution terms for this file may be
+ * found in the file LICENSE in this distribution or at
+ * http://www.rt-thread.org/license/LICENSE
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2008-08-14     Bernard      the first version
+ */
+#ifndef __STRING_H__
+#define __STRING_H__
+
+#include <rtthread.h>
+#include <sys/types.h>
+
+/* replace for standard string library */
+#if !defined (RT_USING_NEWLIB) && defined (RT_USING_MINILIBC)
+
+#define ZEROPAD 	(1 << 0)	/* pad with zero */
+#define SIGN 		(1 << 1)	/* unsigned/signed long */
+#define PLUS 		(1 << 2)	/* show plus */
+#define SPACE 		(1 << 3)	/* space if plus */
+#define LEFT 		(1 << 4)	/* left justified */
+#define SPECIAL 	(1 << 5)	/* 0x */
+#define LARGE		(1 << 6)	/* use 'ABCDEF' instead of 'abcdef' */
+
+#define INT_MAX		((int)(~0U>>1))
+#define INT_MIN		(-INT_MAX - 1)
+#define UINT_MAX	(~0U)
+#define LONG_MAX	((long)(~0UL>>1))
+#define LONG_MIN	(-LONG_MAX - 1)
+#define ULONG_MAX	(~0UL)
+
+#define _U	0x01	/* upper */
+#define _L	0x02	/* lower */
+#define _D	0x04	/* digit */
+#define _C	0x08	/* cntrl */
+#define _P	0x10	/* punct */
+#define _S	0x20	/* white space (space/lf/tab) */
+#define _X	0x40	/* hex digit */
+#define _SP	0x80	/* hard space (0x20) */
+
+void* memset(void *s, int c, size_t n);
+void* memcpy(void *dest, const void *src, size_t n);
+void* memmove(void *dest, const void *src, size_t n);
+int memcmp(const void *s1, const void *s2, size_t n);
+
+int tolower(int c);
+int toupper(int c);
+
+int strcmp (const char *s1, const char *s2);
+int strcasecmp(const char *a, const char *b);
+int strncasecmp(const char *cs, const char *ct, size_t count);
+int sscanf(const char * buf, const char * fmt, ...);
+size_t strlen(const char *s);
+char * strstr(const char * s1,const char * s2);
+char *strcpy(char *dest, const char *src);
+char *strncpy(char *dest, const char *src, size_t n);
+char *strncat(char *s, const char *t, size_t n) ;
+char* strcat(register char* s,register const char* t);
+char *strrchr(const char *t, int c);
+char *strdup(const char *s);
+
+#endif
+
+#endif

libc/minilibc/sys/types.h

@@ -0,0 +1,22 @@
+#ifndef __TYPES_H__
+#define __TYPES_H__
+
+#include <rtthread.h>
+
+typedef rt_off_t 	off_t;
+typedef rt_size_t 	size_t;
+
+typedef rt_uint8_t 	u_char;
+typedef rt_uint16_t u_short;
+typedef rt_ubase_t 	u_int;
+typedef rt_uint32_t u_long;
+
+typedef rt_uint8_t 	u_int8_t;
+typedef rt_uint16_t u_int16_t;
+typedef rt_uint32_t u_int32_t;
+
+#ifndef NULL
+#define NULL RT_NULL
+#endif
+
+#endif