pub_writelog.c

自已结累的Unix下C语言开发函数库

/*
 *记log的一些函数
 *zyq - shilyu - cff 0831
 *functionnum 004
 */
 
#include "./../inc/pub.h"

#define SPC_NUM 2

/* 001
 * Function Name  : void WriteLog ( fname , fmt , arg1 , arg2 ... )  
 * Description    : 将一信息以指定的格式写入指定文件中去             
 * Input Para     :  char *fname       文件的名称                    
 *                   char *fmt         输出格式串                    
 *                   arg1, arg2, ...   可变个数的参数                
 * Output Para    : NO                                               
 * Return Code    : No                                               
 * Note           :                                                  
 */
void WrinteFmtLog ( fname, va_alist )
char *fname;
va_dcl               /* #define va_dcl long va_alist; */
{
    va_list  argptr;
    char     *fmt;
    int      cnt;
    char     buf[512];
    char     timestr[60];
    FILE     *fp;
    long     t;
    struct tm *ts;

    memset( buf, 0x00, sizeof( buf ) ) ;
    va_start(argptr);     /* #define va_start(__list) __list = (char *) &va_alist */
    fmt = va_arg ( argptr ,char * ) ;
    cnt = vsprintf ( buf , fmt , argptr ) ;
    va_end ( argptr ) ;
    /*
    buf [ 128 ] = '\0';
    */
    
    fp = NULL ;
    if ( ( fp = fopen ( fname , "a+" ) ) == NULL )
        return ;
    time ( &t ) ;
    ts = localtime ( &t ) ;
    memset( timestr, 0x00, sizeof( timestr ) ) ;
    sprintf ( timestr,"%02d:%02d:%02d:%02d:%02d:%02d",\
              ts->tm_year - 100, ts->tm_mon+1, ts->tm_mday,ts->tm_hour, ts->tm_min, ts->tm_sec);
    fprintf ( fp , "[%s] %s\n" , timestr , buf ) ;
    fclose ( fp ) ; 
    return ;
}
 
/* 002
 *将一条指定的记录追加到指定文件件中去
 *文件名为pfilename+yymmdd
 */
 
int WlogSuperaddition( char *pfilename, char * msg )
{
    char tmpbuf[100];
    FILE *fp;
    struct tm   *time_p;
    time_t timeval;
    char filename [100];

    fp = NULL ;
    time ( &timeval ) ;
    time_p = localtime ( &timeval ) ;
    memset( filename, 0x00, sizeof( filename ) ) ;
    sprintf ( filename, "%s%02d%02d%02d", pfilename, time_p->tm_mon+1, time_p->tm_mday, time_p->tm_year - 100 ) ;

    if((fp = fopen(filename,"a+")) == NULL)
        return OK ;

    fprintf(fp,"%s", msg);
    fprintf(fp, "\n");
    fclose(fp);

    return OK ;
}

/* 003
 *错误提示函数
 *程序退出 因而致命错误时可以用此函数
 */

void Error( va_alist )
va_dcl
{
	va_list ap ;
	char *format ;
	
	va_start( ap ) ;
	format = va_arg( ap, char * ) ;
	fprintf( stderr, "error: " ) ;
	vfprintf( stderr, format, ap ) ;
	va_end( ap ) ;
	fprintf( stderr, "\n" ) ;
	
	exit( 1 ) ;
} 

/* 004
 *记log函数 
 */
 
void WlogHexContent( str , len , FileName , memo )
const char *str ;
int   len       ;
char  *FileName ;
char  *memo     ;
{
    unsigned char c;
    char buf1[20],buf2[101];
    int i,j,count,loopcount;
    FILE *fp;
    struct tm   *time_p;
    time_t timeval;  
    char  datebuf[100];
    char filename [100];
    char s_FieldNo[ 3+1 ] ;

    time(&timeval);
    time_p = localtime ( &timeval) ;
    sprintf (datebuf, ctime(&timeval)) ;

    sprintf (filename, "%s.%02d%02d%02d", FileName ,   
        time_p->tm_mon+1, time_p->tm_mday, time_p->tm_year - 100 ) ;
   
    if((fp = fopen(filename,"a+")) == NULL)
        exit(-1);
    fprintf (fp, "%s\n%s", datebuf , memo );
    count = 0;
    
    if(len % 16)
        loopcount = len /16 + 1;
    else
        loopcount = len / 16;
    
    memset ( s_FieldNo , 0x00 , sizeof ( s_FieldNo ) ) ;
    for(i = 0; i < loopcount;i++)
    {

        if ( i % 8 == 0 )
           fprintf(fp,"\nOFFSET    -0--1--2--3--4--5--6--7-HEX-1--2--3--4--5--6--7   ------ASCII-----\n");
   
        sprintf(buf1,"%07d   ",i*16);
        fputs(buf1,fp);
        memset(buf2,' ',100);
        memset(buf2+100,'\0',1);
        for(j = 0;j < 16;j++)
        {
           c = *(str+i*16+j);
           sprintf(&buf2[j*3],"%02x ",c);
           if(!isprint(c))
              c = '.';
           buf2[16*3+SPC_NUM+j] = c;
           count++;
           if(count == len)
              break;
        }
        if(count == len)
        {
            int k,len;
            len = strlen(buf2);
            for(k = 0;k < 48 + SPC_NUM - len ;k++)
                 buf2[len+k] = ' ';
        }
        buf2[16*3] = ' ';
        buf2[16*3+SPC_NUM+j+1] = '\n';
        buf2[16*3+SPC_NUM+j+2] = '\0';
        fputs(buf2,fp);
    }
    fclose(fp);

    return;
}