diff -r eb16be99b0ad -r 2187a732f4d7 src/files.c --- a/src/files.c Sat Mar 01 22:55:30 2025 +0100 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,64 +0,0 @@ -/* - * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. - * Copyright 2023 Mike Becker. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE - * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - */ - -#include "ascension/files.h" -#include "ascension/error.h" - -#include -#include -#include -#include - -asc_file asc_file_mmap_rdonly(char const *filename) { - int fd = open(filename, O_RDONLY); - if (fd < 0) { - asc_dprintf("Failed to open file %s", filename); - return (cxstring) {NULL, 0}; - } - - struct stat statbuf; - int err = fstat(fd, &statbuf); - if (err < 0) { - close(fd); - asc_dprintf("Failed to stat file %s", filename); - return (cxstring) {NULL, 0}; - } - - char const *data = mmap(NULL, statbuf.st_size, PROT_READ, MAP_SHARED, fd, 0); - if (data == MAP_FAILED) { - close(fd); - asc_dprintf("Failed to map file %s into memory", filename); - return (cxstring) {NULL, 0}; - } - close(fd); - - return cx_strn(data, statbuf.st_size); -} - -void asc_file_unmap(asc_file file) { - munmap((void *) file.ptr, file.length); -} \ No newline at end of file