_SP_puts.c

#include <stdio.h>
 
 
void __io_putchar ( char );

void _SMALL_PRINTF_puts(const char *ptr, int len, FILE *fp)
        {
        if ( fp &&  ( fp->_file == -1 )  /* No file => sprintf */
                  &&   (fp->_flags & (__SWR | __SSTR) ) )
                {
                char *str =  fp->_p;

                for ( ; len ; len-- )
                        {
                        *str ++ =  *ptr++;
                        }
           fp->_p = str;                        
                }
        else    /* file => printf */
                {
                for ( ; len ; len-- )
                        __io_putchar ( *ptr++ );
                }

        }

int  puts(const char *str) 
        {
#if 1 //VC090825: cleaner and faster version
    int len = 0;
        while ( str && (*str) )
        {
        __io_putchar ( *(str++) );
        len++;
        }
#else //VC090825: cleaner, lighter and faster version
        int len = strlen ( str );
        _SMALL_PRINTF_puts(str, len, 0) ;
#endif //VC090825: cleaner, lighter and faster version
        __io_putchar ( '\n' );
        return len;
        }