mirror of https://github.com/PCSX2/pcsx2.git
64 lines
2.1 KiB
C
64 lines
2.1 KiB
C
|
/*
|
||
|
|
zip_fread.c -- read from file
|
||
|
|
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 "zipint.h"
|
||
|
|
|
||
|
|
|
||
|
|
ZIP_EXTERN zip_int64_t
|
||
|
|
zip_fread(zip_file_t *zf, void *outbuf, zip_uint64_t toread) {
|
||
|
|
zip_int64_t n;
|
||
|
|
|
||
|
|
if (!zf)
|
||
|
|
return -1;
|
||
|
|
|
||
|
|
if (zf->error.zip_err != 0)
|
||
|
|
return -1;
|
||
|
|
|
||
|
|
if (toread > ZIP_INT64_MAX) {
|
||
|
|
zip_error_set(&zf->error, ZIP_ER_INVAL, 0);
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (toread == 0) {
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
if ((n = zip_source_read(zf->src, outbuf, toread)) < 0) {
|
||
|
|
zip_error_set_from_source(&zf->error, zf->src);
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
|
||
|
|
return n;
|
||
|
|
}
|