diff options
Diffstat (limited to 'src/file.cpp')
| -rw-r--r-- | src/file.cpp | 84 |
1 files changed, 0 insertions, 84 deletions
diff --git a/src/file.cpp b/src/file.cpp deleted file mode 100644 index d605ceb..0000000 --- a/src/file.cpp +++ /dev/null @@ -1,84 +0,0 @@ -/* Copyright 2019 Ján Sučan <jan@jansucan.com> - * - * 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 "file.h" - -#include "print.h" - -#include <errno.h> -#include <string.h> - -size_t -file_size(FILE *const file, bool *const return_is_ok) -{ - fpos_t p; - - if ((fgetpos(file, &p) != 0) || (fseek(file, 0L, SEEK_END) != 0)) { - *return_is_ok = false; - return 0; - } - - const long size = ftell(file); - - if (fsetpos(file, &p) != 0) { - *return_is_ok = false; - return 0; - } - - *return_is_ok = true; - return (size_t)size; -} - -size_t -file_tell(FILE *const file, bool *const return_is_ok) -{ - const long pos = ftell(file); - - if (pos < 0) { - *return_is_ok = false; - return 0; - } else { - *return_is_ok = true; - return (size_t)pos; - } -} - -size_t -file_read_sectors(FILE *const file, char *const buffer, uint32_t buffer_size, - uint32_t sector_size) -{ - const size_t bytes_read = fread(buffer, 1U, buffer_size, file); - - if (ferror(file)) { - print_error("cannot read from file: %s", strerror(errno)); - return 0; - } else if ((bytes_read % sector_size) != 0) { - print_error("data read from input file is not multiple of sector size"); - return 0; - } else { - return (bytes_read / sector_size); - } -} |
