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Diffstat (limited to 'src/Common/libzip/zip_source_win32a.c')
-rw-r--r-- | src/Common/libzip/zip_source_win32a.c | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/src/Common/libzip/zip_source_win32a.c b/src/Common/libzip/zip_source_win32a.c new file mode 100644 index 00000000..85493b66 --- /dev/null +++ b/src/Common/libzip/zip_source_win32a.c @@ -0,0 +1,124 @@ +/* +zip_source_win32a.c -- create data source from Windows file (ANSI) +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 <stdio.h> + +#include "zipint.h" +#include "zipwin32.h" + +static void * _win32_strdup_a(const void *str); +static HANDLE _win32_open_a(_zip_source_win32_read_file_t *ctx); +static HANDLE _win32_create_temp_a(_zip_source_win32_read_file_t *ctx, void **temp, zip_uint32_t value, PSECURITY_ATTRIBUTES sa); +static int _win32_rename_temp_a(_zip_source_win32_read_file_t *ctx); +static int _win32_remove_a(const void *fname); + +static _zip_source_win32_file_ops_t win32_ops_a = { + _win32_strdup_a, + _win32_open_a, + _win32_create_temp_a, + _win32_rename_temp_a, + _win32_remove_a +}; + +ZIP_EXTERN zip_source_t * +zip_source_win32a(zip_t *za, const char *fname, zip_uint64_t start, zip_int64_t len) +{ + if (za == NULL) + return NULL; + + return zip_source_win32a_create(fname, start, len, &za->error); +} + + +ZIP_EXTERN zip_source_t * +zip_source_win32a_create(const char *fname, zip_uint64_t start, zip_int64_t length, zip_error_t *error) +{ + if (fname == NULL || length < -1) { + zip_error_set(error, ZIP_ER_INVAL, 0); + return NULL; + } + + return _zip_source_win32_handle_or_name(fname, INVALID_HANDLE_VALUE, start, length, 1, NULL, &win32_ops_a, error); +} + + +static void * +_win32_strdup_a(const void *str) +{ + return strdup((const char *)str); +} + + +static HANDLE +_win32_open_a(_zip_source_win32_read_file_t *ctx) +{ + return CreateFileA(ctx->fname, GENERIC_READ, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL); +} + + +static HANDLE +_win32_create_temp_a(_zip_source_win32_read_file_t *ctx, void **temp, zip_uint32_t value, PSECURITY_ATTRIBUTES sa) +{ + int len; + + len = strlen((const char *)ctx->fname) + 10; + if (*temp == NULL) { + if ((*temp = malloc(sizeof(char) * len)) == NULL) { + zip_error_set(&ctx->error, ZIP_ER_MEMORY, 0); + return INVALID_HANDLE_VALUE; + } + } + if (sprintf((char *)*temp, "%s.%08x", (const char *)ctx->fname, value) != len - 1) { + return INVALID_HANDLE_VALUE; + } + + return CreateFileA((const char *)*temp, GENERIC_READ | GENERIC_WRITE, FILE_SHARE_READ, sa, CREATE_NEW, FILE_ATTRIBUTE_NORMAL | FILE_ATTRIBUTE_TEMPORARY, NULL); +} + + +static int +_win32_rename_temp_a(_zip_source_win32_read_file_t *ctx) +{ + if (!MoveFileExA(ctx->tmpname, ctx->fname, MOVEFILE_REPLACE_EXISTING)) + return -1; + return 0; +} + + +static int +_win32_remove_a(const void *fname) +{ + DeleteFileA((const char *)fname); + return 0; +} |