1 files changed, 73 insertions, 0 deletions
diff --git a/fluent-bit/src/flb_file.c b/fluent-bit/src/flb_file.c
new file mode 100644
index 00000000..2225bc3c
--- /dev/null
+++ b/fluent-bit/src/flb_file.c
@@ -0,0 +1,73 @@
+/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+
+/*  Fluent Bit
+ *  ==========
+ *  Copyright (C) 2019-2021 The Fluent Bit Authors
+ *  Copyright (C) 2015-2018 Treasure Data Inc.
+ *
+ *  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 <fluent-bit/flb_file.h>
+#include <fluent-bit/flb_log.h>
+#include <fluent-bit/flb_mem.h>
+#include <fluent-bit/flb_sds.h>
+
+#include <stdio.h>
+
+flb_sds_t flb_file_read(const char *path)
+{
+    long flen;
+    FILE *f = NULL;
+    flb_sds_t result = NULL;
+
+    f = fopen(path, "rb");
+    if (!f) {
+        return NULL;
+    }
+
+    if (fseek(f, 0, SEEK_END) == -1) {
+        goto err;
+    }
+
+    flen = ftell(f);
+    if (flen < 0) {
+        goto err;
+    }
+
+    if (fseek(f, 0, SEEK_SET) == -1) {
+        goto err;
+    }
+
+    result = flb_sds_create_size(flen);
+    if (!result) {
+        goto err;
+    }
+
+    if (flen > 0 && fread(result, flen, 1, f) != 1) {
+        goto err;
+    }
+
+    result[flen] = 0;
+    flb_sds_len_set(result, flen);
+    fclose(f);
+    return result;
+
+err:
+    flb_errno();
+    fclose(f);
+    if (result) {
+        flb_sds_destroy(result);
+    }
+    return NULL;
+}