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add mkstemp for msvc builds

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This commit is contained in:
Brent Cook
2025-10-07 05:38:30 -05:00
parent 659e87fe1c
commit 7ed28d2f50
3 changed files with 63 additions and 12 deletions
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2
include/compat/unistd.h
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@@ -45,6 +45,8 @@ static inline unsigned int sleep(unsigned int seconds)
Sleep(seconds * 1000);
return seconds;
}
int mkstemp(char *template);
#endif
int ftruncate(int fd, off_t length);

21
tests/CMakeLists.txt
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@@ -82,6 +82,9 @@ endfunction()
# XXX - should probably be in their own static lib
set(TEST_HELPER_SRC test.c test_util.c)
if(WIN32)
set(TEST_HELPER_SRC ${TEST_HELPER_SRC} compat/mkstemp.c)
endif()
# aeadtest
add_executable(aeadtest aeadtest.c)
@@ -555,12 +558,9 @@ prepare_emscripten_test_target(lhash_test)
add_platform_test(lhash_test lhash_test)
# md_test
# XXX - ftruncate and mkstemp missing from Windows
if(NOT WIN32)
add_executable(md_test md_test.c ${TEST_HELPER_SRC})
target_link_libraries(md_test ${OPENSSL_TEST_LIBS})
add_platform_test(md_test md_test)
endif()
add_executable(md_test md_test.c ${TEST_HELPER_SRC})
target_link_libraries(md_test ${OPENSSL_TEST_LIBS})
add_platform_test(md_test md_test)
# mlkem_tests
add_executable(mlkem_tests mlkem_tests.c parse_test_file.c)
@@ -742,12 +742,9 @@ endif()
set_tests_properties(servertest PROPERTIES ENVIRONMENT "srcdir=${TEST_SOURCE_DIR}")
# sha_test
# XXX - ftruncate and mkstemp missing from Windows
if(NOT WIN32)
add_executable(sha_test sha_test.c ${TEST_HELPER_SRC})
target_link_libraries(sha_test ${OPENSSL_TEST_LIBS})
add_platform_test(sha_test sha_test)
endif()
add_executable(sha_test sha_test.c ${TEST_HELPER_SRC})
target_link_libraries(sha_test ${OPENSSL_TEST_LIBS})
add_platform_test(sha_test sha_test)
# shutdowntest
set(SHUTDOWNTEST_SRC shutdowntest.c)

52
tests/compat/mkstemp.c Normal file
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@@ -0,0 +1,52 @@
/*
musl as a whole is licensed under the following standard MIT license:
----------------------------------------------------------------------
Copyright © 2005-2020 Rich Felker, et al.
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
----------------------------------------------------------------------
*/
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include <fcntl.h>
#include <unistd.h>
#include <limits.h>
#include <errno.h>
#include <io.h>
int mkstemp(char *template)
{
int fd;
retry:
if (!_mktemp(template)) return -1;
fd = open(template, O_RDWR | O_CREAT | O_EXCL, 0600);
if (fd >= 0) return fd;
if (errno == EEXIST) {
/* this is safe because mktemp verified
* that we have a valid template string */
strcpy(template+strlen(template)-6, "XXXXXX");
goto retry;
}
return -1;
}