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[hal] Allow overriding stderr printing by HAL_SendError (#4742)

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This commit is contained in:
Dustin Spicuzza
2022-11-30 02:19:15 -05:00
committed by GitHub
parent aa6499e920
commit 53875419a1
3 changed files with 39 additions and 2 deletions
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17
hal/src/main/native/sim/DriverStation.cpp
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@@ -8,6 +8,7 @@
#include <pthread.h>
#endif
#include <atomic>
#include <cstdio>
#include <cstdlib>
#include <cstring>
@@ -86,6 +87,15 @@ void InitializeDriverStation() {
}
} // namespace hal::init
namespace hal {
static void DefaultPrintErrorImpl(const char* line, size_t size) {
std::fwrite(line, size, 1, stderr);
}
} // namespace hal
static std::atomic<void (*)(const char* line, size_t size)> gPrintErrorImpl{
hal::DefaultPrintErrorImpl};
extern "C" {
void HALSIM_SetSendError(HALSIM_SendErrorHandler handler) {
@@ -138,7 +148,8 @@ int32_t HAL_SendError(HAL_Bool isError, int32_t errorCode, HAL_Bool isLVCode,
if (callStack && callStack[0] != '\0') {
fmt::format_to(fmt::appender{buf}, "{}\n", callStack);
}
std::fwrite(buf.data(), buf.size(), 1, stderr);
auto printError = gPrintErrorImpl.load();
printError(buf.data(), buf.size());
}
if (i == KEEP_MSGS) {
// replace the oldest one
@@ -157,6 +168,10 @@ int32_t HAL_SendError(HAL_Bool isError, int32_t errorCode, HAL_Bool isLVCode,
return retval;
}
void HAL_SetPrintErrorImpl(void (*func)(const char* line, size_t size)) {
gPrintErrorImpl.store(func ? func : hal::DefaultPrintErrorImpl);
}
int32_t HAL_SendConsoleLine(const char* line) {
auto handler = sendConsoleLineHandler.load();
if (handler) {