/* see LICENSE file for details on license */
#ifndef TSTATUS_FILE_C

#include "file.h"

void populate_buffer(char *buffer, char pattern) {
	/* XXX: we assume the buffer is at least four bytes long */

	int i;
	for(i = 0; i < 3; i++) *(buffer + i) = pattern;
	*(buffer + i + 1) = '\0';
}

int read_file_into_buffer(char *filename, char *buffer, int length) {
	int i;
	if (!access(filename, F_OK) == 0) {
		populate_buffer(buffer, '?');
		return -1;
	}

	FILE *file = fopen(filename, "r");
	i = fread(buffer, 1, length, file);
	*(buffer + i - 1) = '\0';

	if(ferror(file)) {
		populate_buffer(buffer, '!');
		return -1;
	}

	fclose(file);

	*(buffer + i) = '\0';

	return 0;
}
#endif
#define TSTATUS_FILE_C