#include <stdlib.h>
#include <stdio.h>
#include <gclib/macros.h>
#include <gclib/mem.h>
#include <gclib/fileutils.h>
#include <gclib/gcstring.h>

/*
 * Read a file into memory (which should be freed with mem_free when no
 * longer required). Returns FALSE on error and outputs a suitable error
 * message to stderr.
 */
boolean file_get_contents(const char *filename,char **contents,size_t *length)
{
    FILE *fp;
    size_t n;
    char *buffer;
    String *string;
    fp=fopen(filename,"rb");
    if (!fp)
    {
	perror(filename);
	return FALSE;
    }
    buffer=mem_new(char,1024);
    string=string_new(NULL);
    do
    {
	n=fread(buffer,1,1024,fp);
	if (n<0)
	{
	    perror(filename);
	    string_free(string,TRUE);
	    mem_free(buffer);
	    free(fp);
	    return FALSE;
	}
	string_append_len(string,buffer,n);
    } while(n);
    mem_free(buffer);
    if (length)
	*length=string->len;
    *contents=string_free(string,FALSE);
    fclose(fp);
    return TRUE;
}