/* zip_error.c -- zip_error_t helper functions Copyright (C) 1999-2021 Dieter Baron and Thomas Klausner This file is part of libzip, a library to manipulate ZIP archives. The authors can be contacted at <info@libzip.org> 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. 3. The names of the authors may not be used to endorse or promote products derived from this software without specific prior written permission. THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``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 AUTHORS 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 <stdlib.h> #include "zipint.h" ZIP_EXTERN int zip_error_code_system(const zip_error_t *error) { return error->sys_err; } ZIP_EXTERN int zip_error_code_zip(const zip_error_t *error) { return error->zip_err; } ZIP_EXTERN void zip_error_fini(zip_error_t *err) { free(err->str); err->str = NULL; } ZIP_EXTERN void zip_error_init(zip_error_t *err) { err->zip_err = ZIP_ER_OK; err->sys_err = 0; err->str = NULL; } ZIP_EXTERN void zip_error_init_with_code(zip_error_t *error, int ze) { zip_error_init(error); error->zip_err = ze; switch (zip_error_system_type(error)) { case ZIP_ET_SYS: case ZIP_ET_LIBZIP: error->sys_err = errno; break; default: error->sys_err = 0; break; } } ZIP_EXTERN int zip_error_system_type(const zip_error_t *error) { if (error->zip_err < 0 || error->zip_err >= _zip_err_str_count) return ZIP_ET_NONE; return _zip_err_str[error->zip_err].type; } void _zip_error_clear(zip_error_t *err) { if (err == NULL) return; err->zip_err = ZIP_ER_OK; err->sys_err = 0; } void _zip_error_copy(zip_error_t *dst, const zip_error_t *src) { if (dst == NULL) { return; } dst->zip_err = src->zip_err; dst->sys_err = src->sys_err; } void _zip_error_get(const zip_error_t *err, int *zep, int *sep) { if (zep) *zep = err->zip_err; if (sep) { if (zip_error_system_type(err) != ZIP_ET_NONE) *sep = err->sys_err; else *sep = 0; } } void zip_error_set(zip_error_t *err, int ze, int se) { if (err) { err->zip_err = ze; err->sys_err = se; } } void zip_error_set_from_source(zip_error_t *err, zip_source_t *src) { if (src == NULL) { zip_error_set(err, ZIP_ER_INVAL, 0); return; } _zip_error_copy(err, zip_source_error(src)); } zip_int64_t zip_error_to_data(const zip_error_t *error, void *data, zip_uint64_t length) { int *e = (int *)data; if (length < sizeof(int) * 2) { return -1; } e[0] = zip_error_code_zip(error); e[1] = zip_error_code_system(error); return sizeof(int) * 2; }