OVMS3/OVMS.V3/components/zip/libzip/lib/zip_error.c

150 lines
3.5 KiB
C

/*
zip_error.c -- zip_error_t helper functions
Copyright (C) 1999-2016 Dieter Baron and Thomas Klausner
This file is part of libzip, a library to manipulate ZIP archives.
The authors can be contacted at <libzip@nih.at>
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:
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_nerr_str)
return ZIP_ET_NONE;
return _zip_err_type[error->zip_err];
}
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) {
_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;
}