cfg-test.c

完整的Dos下读写Txt文件程序。 包括CSV格式和Ini格式。

#include <math.h>
#include <stdio.h>

int fReadNumber_InALine(FILE *fp, float *DSnumber, short MumberMax)
{	short NoteCount, NumberCount, CharCount;
	char TempChar[1024], LineEndFlag;

	if (feof(fp)) return 0;

	LineEndFlag=0;
	for (NumberCount=0; NumberCount<MumberMax; )
	{   if (feof(fp)) break;
		NoteCount=0;
		for (CharCount=0; ; )
		{   TempChar[CharCount]=fgetc(fp);
			if (CharCount>=1024)
			{   printf("Too much chars in a line!\n");
                return 0;
			}
		    if (TempChar[CharCount]=='/')
		    {   for(;;)
		        {   TempChar[CharCount]=fgetc(fp);
		            if (TempChar[CharCount]=='\n') break;
		            if (feof(fp)) break;
		        }
		    }
			if (feof(fp)) break;
			if (TempChar[CharCount]=='\n') { LineEndFlag=1; break; }

			if ((TempChar[CharCount]>='0')&&(TempChar[CharCount]<='9')) { CharCount++; continue; }
            if ((TempChar[CharCount]=='-')&&(CharCount==0)) { CharCount++; continue; }
			if (TempChar[CharCount]=='.') { CharCount++; continue; }
			if (CharCount==0) continue;
			else break;

		}

		if (CharCount!=0)
		{   TempChar[CharCount]='\0';
			DSnumber[NumberCount]=((float)(atof(TempChar)));
			NumberCount++;
		}else
			break;
		if (LineEndFlag==1) break;
	}

	return NumberCount;
}

int main(void)
{ FILE *fp;
  float Number[100];
  short Ret, Loop3;

	if((fp=fopen("yccomp.txt","rt"))==NULL)
	{	printf("Cannot open YCComp.txt!\n");
		exit(1);
	}

	do{
        Ret=fReadNumber_InALine(fp, Number, 100);
		for (Loop3=0; Loop3<Ret; Loop3++) printf("%6.2f\t", Number[Loop3]);
		printf("\n");
		getch();
	}while(!feof(fp));
}