Move logging to core

1 files changed, 95 insertions, 0 deletions

diff --git a/core/logging.cpp b/core/logging.cpp
new file mode 100644
index 00000000..dd7f53c7
--- /dev/null
+++ b/core/logging.cpp
@@ -0,0 +1,95 @@
+
+#include "config.h"
+
+#include "logging.h"
+
+#include <cstdarg>
+#include <cstdio>
+#include <string>
+
+#include "strutils.h"
+#include "vector.h"
+
+
+#ifdef _WIN32
+
+#define WIN32_LEAN_AND_MEAN
+#include <windows.h>
+
+void al_print(LogLevel level, FILE *logfile, const char *fmt, ...)
+{
+    al::vector<char> dynmsg;
+    char stcmsg[256];
+    char *str{stcmsg};
+
+    std::va_list args, args2;
+    va_start(args, fmt);
+    va_copy(args2, args);
+    int msglen{std::vsnprintf(str, sizeof(stcmsg), fmt, args)};
+    if UNLIKELY(msglen >= 0 && static_cast<size_t>(msglen) >= sizeof(stcmsg))
+    {
+        dynmsg.resize(static_cast<size_t>(msglen) + 1u);
+        str = dynmsg.data();
+        msglen = std::vsnprintf(str, dynmsg.size(), fmt, args2);
+    }
+    va_end(args2);
+    va_end(args);
+
+    std::wstring wstr{utf8_to_wstr(str)};
+    if(gLogLevel >= level)
+    {
+        fputws(wstr.c_str(), logfile);
+        fflush(logfile);
+    }
+    OutputDebugStringW(wstr.c_str());
+}
+
+#else
+
+#ifdef __ANDROID__
+#include <android/log.h>
+#endif
+
+void al_print(LogLevel level, FILE *logfile, const char *fmt, ...)
+{
+    al::vector<char> dynmsg;
+    char stcmsg[256];
+    char *str{stcmsg};
+
+    std::va_list args, args2;
+    va_start(args, fmt);
+    va_copy(args2, args);
+    int msglen{std::vsnprintf(str, sizeof(stcmsg), fmt, args)};
+    if UNLIKELY(msglen >= 0 && static_cast<size_t>(msglen) >= sizeof(stcmsg))
+    {
+        dynmsg.resize(static_cast<size_t>(msglen) + 1u);
+        str = dynmsg.data();
+        msglen = std::vsnprintf(str, dynmsg.size(), fmt, args2);
+    }
+    va_end(args2);
+    va_end(args);
+
+    if(gLogLevel >= level)
+    {
+        std::fputs(str, logfile);
+        std::fflush(logfile);
+    }
+#ifdef __ANDROID__
+    auto android_severity = [](LogLevel l) noexcept
+    {
+        switch(l)
+        {
+        case LogLevel::Trace: return ANDROID_LOG_DEBUG;
+        case LogLevel::Warning: return ANDROID_LOG_WARN;
+        case LogLevel::Error: return ANDROID_LOG_ERROR;
+        /* Should not happen. */
+        case LogLevel::Disable:
+            break;
+        }
+        return ANDROID_LOG_ERROR;
+    };
+    __android_log_print(android_severity(level), "openal", "%s", str);
+#endif
+}
+
+#endif