#include "../src/config.h"

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

#include "slurp.h"

int
slurp_for_tests(const char *const FNAME, char **strref) {
	int rc = 0;

	FILE *file = NULL;
	char *str = NULL;

	file = fopen(FNAME, "r");
	if (!file) {
		perror("fopen(FNAME, \"r\")");
		rc = -1;
		goto out;
	}

	if (fseek(file, 0L, SEEK_END)) {
		perror("fseek(file, 0L, SEEK_END)");
		rc = -1;
		goto out;
	}

	const long lsize = ftell(file);
	if (lsize == -1) {
		perror("ftell(file)");
		rc = -1;
		goto out;
	}
	const size_t size = (size_t)lsize + sizeof(char);

	if (fseek(file, 0L, SEEK_SET)) {
		perror("fseek(file, 0L, SEEK_SET)");
		rc = -1;
		goto out;
	}

	str = malloc(size);
	if (!str) {
		perror("malloc(...)");
		rc = -1;
		goto out;
	}

	if (fread(str, sizeof(char), size - 1, file) != size - 1) {
		perror("fread(...)");
		rc = -1;
		goto out;
	}
	str[size - 1] = '\0';
	*strref = str;

out:
	if (file) {
		if (fclose(file)) {
			perror("flcose(file");
			rc = -1;
		}
	}

	if (rc) {
		if (str) {
			free(str);
		}
	}
	return rc;
}