file.h File Reference

#include <stdio.h>
#include <stdlib.h>

Go to the source code of this file.

Functions
void	read_file (const char *filename, char **buffer, size_t *size)
	Read the file.
void	write_file (const char *filename, const char *buffer, size_t size)
	Write the file.
void	append_file (const char *filename, const char *buffer, size_t size)
	Append the file.

Function Documentation

append_file()

void append_file	(	const char *	filename,
		const char *	buffer,
		size_t	size
	)

Append the file.

Parameters

filename	The filename to append.
buffer	The buffer to append.
size	The size of the buffer.

Definition at line 48 of file file.c.

{
    FILE* file = fopen(filename, "a");
    if (file == NULL)
        return;
 
    fwrite(buffer, 1, size, file);
 
    fclose(file);
}

read_file()

void read_file	(	const char *	filename,
		char **	buffer,
		size_t *	size
	)

Read the file.

Parameters

filename	The filename to read.
buffer	The buffer to store the file content.
size	The size of the file content.

Definition at line 9 of file file.c.

{
    FILE* file = fopen(filename, "r");
    if (file == NULL)
    {
        *buffer = NULL;
        *size = 0;
        return;
    }
 
    fseek(file, 0, SEEK_END);
    *size = ftell(file);
    rewind(file);
 
    *buffer = (char*)malloc(*size + 1);
    if (*buffer == NULL)
    {
        *size = 0;
        fclose(file);
        return;
    }
 
    fread(*buffer, 1, *size, file);
    (*buffer)[*size] = '\0';
 
    fclose(file);
}

write_file()

void write_file	(	const char *	filename,
		const char *	buffer,
		size_t	size
	)

Write the file.

Parameters

filename	The filename to write.
buffer	The buffer to write.
size	The size of the buffer.

Definition at line 37 of file file.c.

{
    FILE* file = fopen(filename, "w");
    if (file == NULL)
        return;
 
    fwrite(buffer, 1, size, file);
 
    fclose(file);
}