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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 06:23:09 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 06:23:09 +0000 |
commit | 30d479c28c831a0d4f1fdb54a9e346b0fc176be1 (patch) | |
tree | aa35d7414ce9f1326abf6f723f6dfa5b0aa08b1d /misc/win32/apr_app.c | |
parent | Initial commit. (diff) | |
download | apr-30d479c28c831a0d4f1fdb54a9e346b0fc176be1.tar.xz apr-30d479c28c831a0d4f1fdb54a9e346b0fc176be1.zip |
Adding upstream version 1.7.2.upstream/1.7.2upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | misc/win32/apr_app.c | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/misc/win32/apr_app.c b/misc/win32/apr_app.c new file mode 100644 index 0000000..4b1874f --- /dev/null +++ b/misc/win32/apr_app.c @@ -0,0 +1,104 @@ +/* Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +/* Usage Notes: + * + * this module, and the misc/win32/utf8.c modules must be + * compiled APR_EXPORT_STATIC and linked to an application with + * the /entry:wmainCRTStartup flag (which this module kindly + * provides to the developer who links to libaprapp-1.lib). + * This module becomes the true wmain entry point, and passes + * utf-8 reformatted argv and env arrays to the application's + * main() function as if nothing happened. + * + * This module is only compatible with Unicode operating systems. + * Mixed (Win9x backwards compatible) binaries should refer instead + * to the apr_startup.c module. + * + * _dbg_malloc/realloc is used in place of the usual API, in order + * to convince the MSVCRT that it created these entities. If we + * do not create them as _CRT_BLOCK entities, the crt will fault + * on an assert. We are not worrying about the crt's locks here, + * since we are single threaded [so far]. + */ + +#include "apr_general.h" +#include "ShellAPI.h" +#include "wchar.h" +#include "apr_arch_file_io.h" +#include "assert.h" +#include "apr_private.h" +#include "apr_arch_misc.h" + +#pragma comment(linker,"/ENTRY:wmainCRTStartup") + +extern int main(int argc, const char **argv, const char **env); + +int wmain(int argc, const wchar_t **wargv, const wchar_t **wenv) +{ + char **argv; + char **env; + int envc; + int i; + + (void)apr_wastrtoastr(&argv, wargv, argc); + + envc = 0; + while (wenv[envc]) { + envc++; + } + + /* Initial environment stored as single heap block, but uses + * separate heap entry for every environment variable + * after first change. + */ + env = apr_malloc_dbg((envc + 1) * sizeof(char *), __FILE__, __LINE__); + + for (i = 0; i < envc; i++) { + apr_size_t wcount; + apr_size_t envlen; + + wcount = wcslen(wenv[i]) + 1; + envlen = (wcount - 1) * 3 + 1; + + env[i] = apr_malloc_dbg(envlen, __FILE__, __LINE__); + + (void)apr_conv_ucs2_to_utf8(wenv[i], &wcount, env[i], &envlen); + } + + env[i] = NULL; + + _environ = env; + + /* MSVCRT will attempt to maintain the wide environment calls + * on _putenv(), which is bogus if we've passed a non-ascii + * string to _putenv(), since they use MultiByteToWideChar + * and breaking the implicit utf-8 assumption we've built. + * + * Reset _wenviron for good measure. + */ + if (_wenviron) { + _wenviron = NULL; + + /* There is no need to free _wenviron because MSVCRT + * automatically free 'initial' environment block. + */ + } + + apr_app_init_complete = 1; + + return main(argc, argv, env); +} |