*從配置檔案中讀取相應的值
*輸入參數：1，配置檔案路徑 2，比對标記 3，輸出存儲空間
*并且排除了空行，"="前後無内容，無"="的情況
*/
ReadConfig(char *conf_path,char *conf_name,char *config_buff)
{
char config_linebuf[256];
char line_name[40];
char exchange_buf[256];
char *config_sign = "=";
char *leave_line;
FILE *f;
f = fopen(conf_path,"r");
if(f == NULL)
{
printf("OPEN CONFIG FALID/n");
return 0;
}
fseek(f,0,SEEK_SET);
while(fgets(config_linebuf,256,f) != NULL)
{
if(strlen(config_linebuf) < 3) //判斷是否是空行
{
continue;
}
if (config_linebuf[strlen(config_linebuf)-1] == 10) //去除最後一位是/n的情況
{
memset(exchange_buf,0,sizeof(exchange_buf));
strncpy(exchange_buf,config_linebuf,strlen(config_linebuf)-1);
memset(config_linebuf,0,sizeof(config_linebuf));
strcpy(config_linebuf,exchange_buf);
}
memset(line_name,0,sizeof(line_name));
leave_line = strstr(config_linebuf,config_sign);
if(leave_line == NULL) //去除無"="的情況
{
continue;
}
int leave_num = leave_line - config_linebuf;
strncpy(line_name,config_linebuf,leave_num);
if(strcmp(line_name,conf_name) ==0)
{
strncpy(config_buff,config_linebuf+(leave_num+1),strlen(config_linebuf)-leave_num-1);
break;
}
if(fgetc(f)==EOF)
{
break;
}
fseek(f,-1,SEEK_CUR);
memset(config_linebuf,0,sizeof(config_linebuf));
}
fclose(f);
}
AddOrAltConfig(char *conf_path,char *conf_name,char *config_buff)
{
char config_linebuf[256];
char line_name[40];
char *config_sign = "=";
char *leave_line;
int alter_sign = 0;
FILE *f;
f = fopen(conf_path,"r+");
if(f == NULL)
{
printf("OPEN CONFIG FALID/n");
return 0;
}
fseek(f,0,SEEK_END);
long congig_lenth = ftell(f);
int configbuf_lenth = strlen(config_buff);
configbuf_lenth = configbuf_lenth + 5;
char sum_buf[congig_lenth+configbuf_lenth];
memset(sum_buf,0,sizeof(sum_buf));
fseek(f,0,SEEK_SET);
while(fgets(config_linebuf,256,f) != NULL)
{
if(strlen(config_linebuf) < 3) //判斷是否是空行
{
strcat(sum_buf,config_linebuf);
continue;
}
leave_line = NULL;
leave_line = strstr(config_linebuf,config_sign);
if(leave_line == NULL) //去除無"="的情況
{
strcat(sum_buf,config_linebuf);
continue;
}
int leave_num = leave_line - config_linebuf;
memset(line_name,0,sizeof(line_name));
strncpy(line_name,config_linebuf,leave_num);
if(strcmp(line_name,conf_name) ==0)
{
strcat(sum_buf,config_buff);
strcat(sum_buf,"/n");
alter_sign = 1;
}
else
{
strcat(sum_buf,config_linebuf);
}
if(fgetc(f)==EOF)
{
break;
}
fseek(f,-1,SEEK_CUR);
memset(config_linebuf,0,sizeof(config_linebuf));
}
if(alter_sign == 0)
{
strcat(sum_buf,config_buff);
strcat(sum_buf,"/n");
}
printf("---sum_buf---->%s
remove(conf_path);
fclose(f);
FILE *fp;
fp = fopen(conf_path,"w+");
if(fp == NULL)
{
printf("OPEN CONFIG FALID/n");
return 2;
}
fseek(fp,0,SEEK_SET);
fputs(sum_buf,fp);
fclose(fp);
}
DeleteConfig(char *conf_path,char *conf_name)
{
char config_linebuf[256];
char line_name[40];
char *config_sign = "=";
char *leave_line;
FILE *f;
f = fopen(conf_path,"r+");
if(f == NULL)
{
printf("OPEN CONFIG FALID/n");
return 0;
}
fseek(f,0,SEEK_END);
long congig_lenth = ftell(f);
char sum_buf[congig_lenth+2];
memset(sum_buf,0,sizeof(sum_buf));
fseek(f,0,SEEK_SET);
while(fgets(config_linebuf,256,f) != NULL)
{
if(strlen(config_linebuf) < 3) //判斷是否是空行
{
strcat(sum_buf,config_linebuf);
continue;
}
leave_line = NULL;
leave_line = strstr(config_linebuf,config_sign);
if(leave_line == NULL) //去除無"="的情況
{
strcat(sum_buf,config_linebuf);
continue;
}
int leave_num = leave_line - config_linebuf;
memset(line_name,0,sizeof(line_name));
strncpy(line_name,config_linebuf,leave_num);
if(strcmp(line_name,conf_name) ==0)
{
}
else
{
strcat(sum_buf,config_linebuf);
}
if(fgetc(f)==EOF)
{
break;
}
fseek(f,-1,SEEK_CUR);
memset(config_linebuf,0,sizeof(config_linebuf));
}
printf("---sum_buf---->%s
remove(conf_path);
fclose(f);
FILE *fp;
fp = fopen(conf_path,"w+");
if(fp == NULL)
{
printf("OPEN CONFIG FALID/n");
return 2;
}
fseek(fp,0,SEEK_SET);
fputs(sum_buf,fp);
fclose(fp);
}