fix compiling warning in finsh shell

components/finsh/finsh.h

@@ -86,9 +86,6 @@ typedef unsigned int size_t;
 
 int strcmp (const char *s1, const char *s2);
 char *strdup(const char *s);
-
-int isalpha( int ch );
-int atoi(const char* s);
 #else
 /* use libc of armcc */
 #include <ctype.h>

components/finsh/finsh_token.c

@@ -28,10 +28,12 @@
  * 2013-04-03     Bernard      strip more characters.
  */
 #include <finsh.h>
+#include <stdlib.h>
 
 #include "finsh_token.h"
 #include "finsh_error.h"
 
+#define is_alpha(ch)	((ch | 0x20) - 'a') < 26u
 #define is_digit(ch)	((ch) >= '0' && (ch) <= '9')
 #define is_separator(ch) !(((ch) >= 'a' && (ch) <= 'z') \
      || ((ch) >= 'A' && (ch) <= 'Z') || ((ch) >= '0' && (ch) <= '9') || ((ch) == '_'))
@@ -329,10 +331,15 @@ static int token_match_name(struct finsh_token* self, const char* str)
 static void token_trim_space(struct finsh_token* self)
 {
 	char ch;
+#if 0	
 	while ( (ch = token_next_char(self)) ==' ' || 
         ch == '\t' || 
         ch == '\r' ||
         ch == '\n');
+#else
+	while ( (ch = token_next_char(self)) ==' ' || 
+        ch == '\t');
+#endif
 
 	token_prev_char(self);
 }
@@ -489,7 +496,7 @@ static void token_proc_number(struct finsh_token* self)
 		{
 			b = 16;
 			ch = token_next_char(self);
-			while ( is_digit(ch) || isalpha(ch) )
+			while ( is_digit(ch) || is_alpha(ch) )
 			{
 				*p++ = ch;
 				ch = token_next_char(self);

components/finsh/shell.c

@@ -76,37 +76,6 @@ char *strdup(const char *s)
 }
 #endif
 
-#if !defined(__CC_ARM) && !defined(__IAR_SYSTEMS_ICC__) && !defined(__ADSPBLACKFIN__) && !defined(_MSC_VER)
-int isalpha( int ch )
-{
-	return (unsigned int)((ch | 0x20) - 'a') < 26u;
-}
-
-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;
-}
-
-int isprint(unsigned char ch)
-{
-    return (unsigned int)(ch - ' ') < 127u - ' ';
-}
-#endif
 #endif
 
 #if defined(RT_USING_DFS) && defined(DFS_USING_WORKDIR)

components/libc/newlib/libc.c

@@ -5,12 +5,15 @@
 #include <sys/time.h>
 #include "libc.h"
 
+#ifdef RT_USING_PTHREADS
+#include <pthread.h>
+#endif
+
 void libc_system_init(const char* tty_name)
 {
+#ifdef RT_USING_DFS
 	int fd;
-	extern int pthread_system_init(void);
 
-#ifdef RT_USING_DFS
 #ifndef RT_USING_DFS_DEVFS
 #error Please enable devfs by defining RT_USING_DFS_DEVFS in rtconfig.h
 #endif