1 files changed, 87 insertions, 0 deletions
diff --git a/fluent-bit/lib/chunkio/src/cio_log.c b/fluent-bit/lib/chunkio/src/cio_log.c
new file mode 100644
index 00000000..8c6e8123
--- /dev/null
+++ b/fluent-bit/lib/chunkio/src/cio_log.c
@@ -0,0 +1,87 @@
+/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+
+/*  Chunk I/O
+ *  =========
+ *  Copyright 2018 Eduardo Silva <eduardo@monkey.io>
+ *
+ *  Licensed 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.
+ */
+
+#include <stdio.h>
+#include <stdarg.h>
+#include <string.h>
+
+#include <chunkio/chunkio_compat.h>
+#include <chunkio/chunkio.h>
+#include <chunkio/cio_log.h>
+
+void cio_log_print(void *ctx, int level, const char *file, int line,
+                   const char *fmt, ...)
+{
+    int ret;
+    char buf[CIO_LOG_BUF_SIZE];
+    va_list args;
+    struct cio_ctx *cio = ctx;
+
+    if (!cio->options.log_cb) {
+       return;
+    }
+
+    if (level > cio->options.log_level) {
+        return;
+    }
+
+    va_start(args, fmt);
+    ret = vsnprintf(buf, CIO_LOG_BUF_SIZE - 1, fmt, args);
+
+    if (ret >= 0) {
+        buf[ret] = '\0';
+    }
+    va_end(args);
+
+    cio->options.log_cb(ctx, level, file, line, buf);
+}
+
+int cio_errno_print(int errnum, const char *file, int line)
+{
+    char buf[256];
+
+    strerror_r(errnum, buf, sizeof(buf) - 1);
+    fprintf(stderr, "[%s:%i errno=%i] %s\n",
+            file, line, errnum, buf);
+    return 0;
+}
+
+#ifdef _WIN32
+void cio_winapi_error_print(const char *func, int line)
+{
+    int error = GetLastError();
+    char buf[256];
+    int success;
+
+    success = FormatMessageA(FORMAT_MESSAGE_FROM_SYSTEM |
+                             FORMAT_MESSAGE_IGNORE_INSERTS,
+                             NULL,
+                             error,
+                             LANG_SYSTEM_DEFAULT,
+                             buf,
+                             sizeof(buf),
+                             NULL);
+    if (success) {
+        fprintf(stderr, "[%s() line=%i error=%i] %s\n", func, line, error, buf);
+    }
+    else {
+        fprintf(stderr, "[%s() line=%i error=%i] Win32 API failed\n", func, line, error);
+    }
+}
+#endif