TSDK.H 开发包

T-ware Inc.

C 语言开发包

/*
    TSDK.H

    Definitions for Common functions and string functions.

    Copyright (c)  Tody 2010
    All Rights Reserved 
*/

#ifndef __TSDK_H__
#define __TSDK_H__

#include <string.h>
#include <time.h>
#include <ctype.h>

#if __STDC__
# define _Cdecl
#else
# define _Cdecl  cdecl
#endif

#ifndef DOS
# define SAY(x...)   printf(x)
#else
# define SAY(x)      printf(x)
#endif

#ifndef MAX
# define MAX(a, b) ((a) < (b) ? (b) : (a))
#endif
#ifndef MIN
# define MIN(a, b) ((a) < (b) ? (a) : (b))
#endif

#define FATAL(x) do { \
    printf("\n[-] PROGRAM ABORT : %s", x); \
    exit(1); \
  } while (0)

#define VERSION "1.0.0"

#define true    1
#define false   0

typedef char    bool;


/* Function Declare */
bool  _Cdecl    copy_file   (char *scr_file, char *dst_file, int flag);
bool  _Cdecl    file_exist  (char *file);

char *_Cdecl    skip_spaces (const char *str);
char *_Cdecl    strim       (char *p);
int   _Cdecl    t_random    (int a, int b);
bool  _Cdecl    log_save    (char *log_file, char *ErrMsg);

bool  _Cdecl    is_leap_yaer(int year);
int   _Cdecl    which_day   (int year, int mon, int day);

bool  _Cdecl        is_little_endian( void );

/*******************************************************************
*       Remove leading whitespace string  
*******************************************************************/
char *skip_spaces(const char *str)
{
        while (isspace(*str))
                ++str;
        return (char *)str;
}

/*******************************************************************
*       Remove Left and right blank of string  
*******************************************************************/
char *strim(char *s)
{
        size_t size;
        char *end;

        s = skip_spaces(s);
        size = strlen(s);
        if (!size)
                return s;

        end = s + size - 1;
        while (end >= s && isspace(*end))
                end--;
        *(end + 1) = '\0';

        return s;
}

/*******************************************************************
*       Random a number between a and b (not contain b)
*******************************************************************/
int t_random (int a, int b)
{
    if (a >= b) return -1;
    srand(time(NULL));  /* Seed is time */
    return (rand()%(b-a) + a);  
}

/*******************************************************************
*       Copy file from scr_file to des_file
*******************************************************************/
bool copy_file (char *scr_file, char *des_file, int flag)
{
    FILE *fin,*fout;
    char ch;
    
    if (0 == flag  && file_exist(des_file) == 1)    return false;  
    
    if ((fin=fopen(scr_file, "rb")) == NULL)
    {
        return false;
    }
    if ((fout=fopen(des_file, "wb")) == NULL)
    {
        return false;
    }

    ch = fgetc(fin);  /* File copying... */
    while ( ch != EOF)
    {
        fputc(ch, fout);
        ch = fgetc(fin);    
    }

    fclose(fout);
    fclose(fin);
    return true;
}

/*******************************************************************
*       Check file is exist or not
*******************************************************************/
bool file_exist (char *file)
{
    return !access(file,0); /* File exist, access() return 0, else return -1 */
}

/*******************************************************************
*       Save Log to File
*******************************************************************/
bool log_save ( char *log_file, char *ErrMsg)
{
    FILE *p;
    p = fopen(log_file, "wb");
    if ( p == NULL ) return false;
    fprintf(p, "[Err]: %s\n", ErrMsg);  /* Write ErrMsg to File. */
    fclose(p);
    return true;
}

/*******************************************************************
*       Is Leap Year
*******************************************************************/

bool is_leap_year ( int year )
{
    return ( ((year%100==0) && (year%400==0)) || ((year%100!=0) && (year%4==0)) );
}

/*******************************************************************
*       Which Day with Year+Mon+day Specified
*******************************************************************/
int which_day (int year, int mon, int day)
{
    static int mdays[] = {0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30 };
    int i, days = day;
    
    for (i=0; i<mon; ++i)
    {
        days += mdays[i];
    }

    if (mon>2)
    {
        if ( is_leap_year(year) ) ++days;
    }
    return days;
}

/*******************************************************************
*      Check CPU endian type
*******************************************************************/
bool is_little_endian( void )
{
        union w{
                       int a;
                       char b;
        } c;

        c.a = 1;

        return ( c.b == 1 );
}
#endif /* __tsdk_h__ */