малко помощ за една програма

#include <stdio.h>

#include <string.h>

#include <stdlib.h>

typedef struct {

	char ime[31];

	char EGN[11];

	char uchilishte[51];

	int klas;

	float tochki;

} LICE;

FILE *fl;

char imefl[31];

LICE lice;

//vavejdane na edin uchenik

void readLice(LICE *lc) {

	printf("\n");

	printf("%20sVavedete imeto: ","");

	gets(lc->ime); getchar();

	printf("%20sVavedete egn: ",""); 

	gets(lc->EGN); getchar();

	printf("%20sVavedete uchilishte: ",""); 

	gets(lc->uchilishte);

	printf("%20sVavedete klas: ","");

	scanf("%d",&lc->klas); 

	printf("%20sVavedete broi tochki: ","");

	scanf("%f",&lc->tochki); 


}

//za izvejdane dannite na edin uchennik

void writeLice(LICE lc) {

	printf("Ime:%21s\n EGN:%21s\n Uchilishte:%21s\n Tochki:%21d\n Klas:%21d\n",lc.ime,lc.EGN,lc.uchilishte,lc.tochki,lc.klas);

}

int exist(char *ime) {

	FILE *f=fopen(ime,"r");

	return f!=NULL;

}

//sazdavane na prazen fail

void prazenfail() {

	char ch;

	if (exist(imefl)) {

		printf("Failat sashtestvuva!\n");

		printf("Da go prezapisha li?\n");

		ch=getchar();

		if (ch=='n') return;

	}

	fl=fopen(imefl,"w");

	fclose(fl);

	printf("Failat e sazdaden!\n");

}

//dobaviane na komponenti kym faila

void dobaviane() {

	char ch;

	if(!exist(imefl)) {

		printf("failat ne e sazdaden!\n"); return;

	}

	fl=fopen(imefl,"a+b");

	do {

		readLice(&lice);

		fwrite(&lice,sizeof(lice),1,fl);

		printf("Shte prodaljite li vavejdaneto? ");

		ch=getchar();getchar(); //WARNING!

	} while (ch != 'n');

	fclose(fl);

}

void iztrivane() {

	FILE *delFl; //pomoshten  fail za iztrivaneto

	char EGN[11];

	if (!exist(imefl)) {

		printf("failat ne e sazdaden!\n");

		return;

	}

	printf("Vavedete EGN za iztrivane: "); gets(EGN);

	fl=fopen(imefl,"r+b"); delFl=fopen("Del","wb");

	fread(imefl,sizeof(lice),1,fl);

	while (!feof(fl)) {

		if (strcmp(lice.EGN,EGN)!=0)

			fwrite(&lice,sizeof(lice),1,delFl);

		else printf("Danni za egn%s iztriti!\n",EGN);

		fread(&lice,sizeof(lice),1,fl);

	}

	fclose(fl); fclose(delFl);

	remove(imefl); rename("Del",imefl);

}

void zamiana() {

	char EGN[11]; //za zamiana

	if (!exist(imefl))

	{printf("Failat ne e sazdaden!\n"); return; }

	printf("Vavedete egn: "); gets(EGN);

	fl=fopen(imefl,"r+b");

	fread(&lice,sizeof(lice),1,fl);

	while(!feof(fl)) {

		if (strcmp(lice.EGN,EGN)==0) {

			readLice(&lice);

			fseek(fl,-(long)sizeof(lice),SEEK_CUR);

			fwrite(&lice,sizeof(lice),1,fl);

			printf("Danni za EGN %s zameneni!\n",EGN);

			break;

		}

		fread(&lice,sizeof(lice),1,fl);

	}

	fclose(fl); printf("\n");

}

void spisak() {

	int k;

	if (!exist(imefl)) {

			printf("failat ne e sazdaden!\n"); return;

	}

	fl=fopen(imefl,"rb"); k=0;

	fread(&lice,sizeof(lice),1,fl);

	while(!feof(fl)) {

		k++; writeLice(lice); /*warning */

		fread(&lice,sizeof(lice),1,fl);

	}

	if (k==0) printf("Failat e prazen!\n");

	fclose(fl);

}

//glavna funkciq

void main() {

	int x;

	printf("ime na fail: "); gets(imefl);

	do {

		printf("%26sMENU NA IZPALNIAVANITE OPERACII:\n","");

		printf("%26s1. Sazdavane na nov prazen fail\n","");

		printf("%26s2. Dobaviane na uchenici\n","");

		printf("%26s3. Iztrivane na uchenici\n","");

		printf("%26s4. Zamiana na uchenici\n","");

		printf("%26s5. Spisak na vsichki uchastnici\n","");

		printf("%26sIzberete operaciq ili 0 za krai:\n","");

		scanf("%d",&x);

		switch(x)

		{

		case 1:prazenfail(); break;

		case 2:dobaviane(); break;

		case 3:iztrivane(); break;

		case 4:zamiana(); break;

		case 5:spisak(); break;

		}

	}

	while(x!=0);

	return;

}



[/codebox]

ами бъгва се нещо,не ми дава да въвеждам училище,не ми дава да спра въвеждането като натисна 'n'.Някой да има идея откъде идват тези грешки?За M$ Visual C++ става дума.Благодаря предварително !

Редактирано 1 април 200917 г. от venceto (преглед на промените)