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Fix default vprintf on UWP (#2730)

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`platform_common.h` already has a declaration for BH_VPRINTF so we can
get rid of the one in `platform_internal.h`. Also add some explicit
casts to avoid MSVC compiler warnings.
This commit is contained in:
zoraaver 2023-11-08 12:28:34 +00:00 committed by GitHub
parent 3c9cd40aa6
commit fa2839a805
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2 changed files with 8 additions and 8 deletions
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3
core/shared/platform/windows/platform_internal.h
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@ -183,9 +183,6 @@ typedef uint32_t os_raw_file_handle;
// implementation of vprintf on debug builds so output from WASI libc is sent to
// the debugger and not lost completely.
#if !defined(BH_VPRINTF) && !defined(NDEBUG) && WINAPI_PARTITION_DESKTOP == 0
int
uwp_print_to_debugger(const char *format, va_list ap);
#define BH_VPRINTF uwp_print_to_debugger
#define UWP_DEFAULT_VPRINTF
#endif

13
core/shared/platform/windows/win_util.c
View File

@ -3,6 +3,7 @@
* SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
*/
#include "platform_common.h"
#include "win_util.h"
__wasi_timestamp_t
@ -69,17 +70,19 @@ uwp_print_to_debugger(const char *format, va_list ap)
char *buf = stack_buf;
int ret = vsnprintf(stack_buf, sizeof(stack_buf), format, ap);
if (ret >= sizeof(stack_buf)) {
if ((size_t)ret >= sizeof(stack_buf)) {
// Allocate an extra byte for the null terminator.
char *heap_buf = BH_MALLOC(ret + 1);
char *heap_buf = BH_MALLOC((unsigned int)(ret) + 1);
buf = heap_buf;
if (heap_buf == NULL) {
errno = ENOMEM;
return -1;
// Output as much as we can to the debugger if allocating a buffer
// fails.
OutputDebugStringA(stack_buf);
return ret;
}
ret = vsnprintf(heap_buf, ret + 1, format, ap);
ret = vsnprintf(heap_buf, (size_t)ret + 1, format, ap);
}
if (ret >= 0)