From 10bb8a05088f1d3bb24f7167f609b5f6fb0ba026 Mon Sep 17 00:00:00 2001 From: Johnny Richard Date: Wed, 30 Oct 2024 22:58:03 +0100 Subject: bootstrap project Signed-off-by: Johnny Richard --- src/utils.c | 74 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 74 insertions(+) create mode 100644 src/utils.c (limited to 'src/utils.c') diff --git a/src/utils.c b/src/utils.c new file mode 100644 index 0000000..345d5a4 --- /dev/null +++ b/src/utils.c @@ -0,0 +1,74 @@ +/* + * Copyright (C) 2025 Johnny Richard + * + * SPDX-License-Identifier: LGPL-3.0-or-later + * + * This file is part of obe. + * + * obe is free software: you can redistribute it and/or modify it under the + * terms of the GNU Lesser General Public License as published by the Free + * Software Foundation, either version 3 of the License, or (at your option) + * any later version. + * + * obe is distributed in the hope that it will be useful, but WITHOUT ANY + * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS + * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more + * details. + * + * You should have received a copy of the GNU Lesser General Public License + * along with obe. If not, see . + */ +#include +#include +#include + +char* +read_file_contents(char* file_path) +{ + FILE* file; + int file_size; + + file = fopen(file_path, "r"); + + if (file == NULL) { + perror("fopen"); + return NULL; + } + + if (fseek(file, 0, SEEK_END) == -1) { + perror("fseek SEEK_END"); + fclose(file); + return NULL; + } + + if ((file_size = ftell(file)) == -1) { + perror("ftell"); + fclose(file); + return NULL; + } + + if (fseek(file, 0, SEEK_SET) == -1) { + perror("fseek 0 SEEK_SET"); + fclose(file); + return NULL; + } + + char* file_content = (char*)calloc(file_size + 1, sizeof(char)); + if (file_content == NULL) { + fprintf(stderr, "Could not allocate mem for file_content\n"); + fclose(file); + return NULL; + } + + size_t ret = fread(file_content, sizeof(char), file_size, file); + if (ret == 0 && ferror(file) != 0) { + perror("fread"); + free(file_content); + fclose(file); + return NULL; + } + + fclose(file); + + return file_content; +} -- cgit v1.2.3