strop.c

一个uclinux下进行网络数据处理,及串口读取,CGI配置

#include "strop.h"

int strpos(char *str,char *substr)
{
  if (strstr(str,substr)==NULL)
    return 0;
  else
    return (strlen(str)-strlen(strstr(str,substr))+1);
}

char *strdel(char *str,int index,int count)
{
  int i=0;
  while (str[index-1+count+i]!='\0')
  {
    str[index-1+i]=str[index-1+count+i];
    i++;
  }
  str[index-1+i]='\0';
  return str;
}

char *strparse(char *str, char *sepstr,char *parsedstring)
{
    int nStart,nEnd;
    char tmp[100];
    nStart=strpos(str,sepstr);
    if (nStart!=1)
        strcpy(parsedstring,"");
    else
    {
        strdel(str,1,strlen(sepstr));
        nEnd=strpos(str,sepstr);
        if (nEnd==0)
            strcpy(parsedstring,str);
        else
        {
            strcpy(tmp,str);
            strdel(tmp,nEnd,strlen(str)-nEnd+1);
            strdel(str,1,nEnd);
            strcpy(parsedstring,tmp);
        }
    }
    return (parsedstring);
}

int read_data_from_file(char *filename, point_struct point[])
{
   FILE *fp;
   char s[30],tmp[30];
   int i,t,pointnumber;
   char *p;
   if ((fp=fopen(filename,"r"))==NULL)
   {
      pointnumber=0;
   }
   else
   {
      fscanf(fp,"%s",s);
      pointnumber=atoi(s);
      for (i=0;i<pointnumber;i++)
      {
         fscanf(fp,"%s",s);
         strcpy(tmp,s);
         p=strstr(tmp,":");
	 strncpy(point[i].deviceno,tmp,p-tmp);
	 strcpy(point[i].address,p+1);
      }
      fclose(fp);
   }
   return pointnumber;
}

int FindDeviceNo(point_struct point[],int pointnumber,char *address,char *deviceno)
{
   int i,re;
   re=0;
   for (i=0;i<pointnumber;i++)
   {
      if (strcmp(point[i].address,address)==0)
      {
	  strcpy(deviceno,point[i].deviceno);
	  re=1;
	  break;
      }
   }
   return re;
}

char *strcatall(char *str,...)
{
  char *tmp;
  va_list num_ptr;
  va_start(num_ptr,str);
  while((tmp=va_arg(num_ptr,char *))!=NULL)
    strcat(str,tmp);
  va_end(num_ptr);
}