Thread: fgets instead of gets

Dear friends,

I'm a newbie in C programming and have a lot of questions. Could you be so kind as to answer on one of them? The question is: how to use fgets instead of gets? Let me briefly outline the problem:

User creates a file named disp_yag.txt for example, fill it with experimental data, saves onto a disk and runs my program. The program asks him to put (from a keyboard) file name and then opens this file for reading. I've written some code for testing

Code:

#include<stdio.h>
#include<stdlib.h>
#define SLEN 50

int main(void)
{
	char file[SLEN];
	float lambda;
	FILE *fp;
	
	printf("This function I believe will read data from a text file\n");
	puts("Введите имя файла для обработки:");
	gets(file);
	
	if ((fp = fopen(file, "r")) == NULL)
	{
		fprintf(stderr, "Программа не может открыть файл %s\n", file);
		exit(1);
	}
	fscanf(fp, "%f", &lambda);
	printf("Длина волны %f", lambda);
	
	if (fclose(fp) !=0)
		fprintf(stderr, "Failed to close the file\n");
		
	return(0);
	
}

It works but I always receive compiler's warning message

Building target: data_read
Invoking: GCC C Linker
gcc -o"data_read" ./func1.o
Finished building target: data_read
./func1.o: In function `main':
/home/johaneson/workspace/data_read/Debug/../func1.c:13: warning: the `gets' function is dangerous and should not be used.

Please direct me to the good books or papers where I can read how to solve this problem.

BR
J

Hello Brother!

I know this question is eternal. And I'm another one who doesn't know the answer

А по существу есть что сказать?

Originally Posted by Johaneson

А по существу есть что сказать?

He may not, but I do. USE ENGLISH, THIS AIN'T NO RUSSIAN BOARD!!!

Originally Posted by Kennedy

USE ENGLISH, THIS AIN'T NO RUSSIAN BOARD!!!

Sorry! I'll try to use ENGLISH.

GL.Sam, thank you. I've got all I need.

I've found out the answer. Thanks to Cprogramming.com FAQ. The thread may be deleted.