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| author | Mounir IDRASSI <mounir.idrassi@idrix.fr> | 2016-09-15 10:04:05 +0200 |
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| committer | Mounir IDRASSI <mounir.idrassi@idrix.fr> | 2016-10-17 18:40:06 +0200 |
| commit | 4dacedd9ccdbdc6a6e62d9fb86e9b2ea903a3629 (patch) | |
| tree | 567350f56dd4ee4dd291d13199610d38dac51879 /src/Common/libzip/zip_add_entry.c | |
| parent | 66891638d51351fae5cd82a88c1a64661a025de0 (diff) | |
| download | VeraCrypt-4dacedd9ccdbdc6a6e62d9fb86e9b2ea903a3629.tar.gz VeraCrypt-4dacedd9ccdbdc6a6e62d9fb86e9b2ea903a3629.zip | |
Windows: Replace XZip/XUnzip library with zlib and libzip and include the sources of these library into VeraCrypt source tree.
Diffstat (limited to 'src/Common/libzip/zip_add_entry.c')
| -rw-r--r-- | src/Common/libzip/zip_add_entry.c | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/src/Common/libzip/zip_add_entry.c b/src/Common/libzip/zip_add_entry.c new file mode 100644 index 00000000..9a9465c5 --- /dev/null +++ b/src/Common/libzip/zip_add_entry.c @@ -0,0 +1,81 @@ +/* + zip_add_entry.c -- create and init struct zip_entry + Copyright (C) 1999-2015 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" + + +/* NOTE: Signed due to -1 on error. See zip_add.c for more details. */ + +zip_int64_t +_zip_add_entry(zip_t *za) +{ + zip_uint64_t idx; + + if (za->nentry+1 >= za->nentry_alloc) { + zip_entry_t *rentries; + zip_uint64_t nalloc = za->nentry_alloc; + zip_uint64_t additional_entries = 2 * nalloc; + zip_uint64_t realloc_size; + + if (additional_entries < 16) { + additional_entries = 16; + } + else if (additional_entries > 1024) { + additional_entries = 1024; + } + /* neither + nor * overflows can happen: nentry_alloc * sizeof(struct zip_entry) < UINT64_MAX */ + nalloc += additional_entries; + realloc_size = sizeof(struct zip_entry) * (size_t)nalloc; + + if (sizeof(struct zip_entry) * (size_t)za->nentry_alloc > realloc_size) { + zip_error_set(&za->error, ZIP_ER_MEMORY, 0); + return -1; + } + rentries = (zip_entry_t *)realloc(za->entry, sizeof(struct zip_entry) * (size_t)nalloc); + if (!rentries) { + zip_error_set(&za->error, ZIP_ER_MEMORY, 0); + return -1; + } + za->entry = rentries; + za->nentry_alloc = nalloc; + } + + idx = za->nentry++; + + _zip_entry_init(za->entry+idx); + + return (zip_int64_t)idx; +} |