From be956cd27353a4bb585b1a648e8469cf7adb5edf Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Fri, 14 Jan 2022 16:03:48 +0100
Subject: Adding upstream version 0.2.0.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 src/test/writer_pop.c | 119 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 119 insertions(+)
 create mode 100644 src/test/writer_pop.c

(limited to 'src/test/writer_pop.c')

diff --git a/src/test/writer_pop.c b/src/test/writer_pop.c
new file mode 100644
index 0000000..69070b3
--- /dev/null
+++ b/src/test/writer_pop.c
@@ -0,0 +1,119 @@
+#include <dnswire/writer.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "create_dnstap.c"
+
+int main(int argc, const char* argv[])
+{
+    if (argc < 2) {
+        return 1;
+    }
+
+    FILE* fp = fopen(argv[1], "w");
+    if (!fp) {
+        return 1;
+    }
+
+    struct dnswire_writer writer;
+    if (dnswire_writer_init(&writer) != dnswire_ok) {
+        return 1;
+    }
+
+    uint8_t buf[4096];
+
+    struct dnstap d = DNSTAP_INITIALIZER;
+    create_dnstap(&d, "writer_pop-1");
+
+    dnswire_writer_set_dnstap(writer, &d);
+
+    while (1) {
+        if (dnswire_writer_popped(writer)) {
+            if (fwrite(buf, 1, dnswire_writer_popped(writer), fp) != dnswire_writer_popped(writer)) {
+                fprintf(stderr, "fwrite() failed\n");
+                return 1;
+            }
+        }
+        enum dnswire_result res = dnswire_writer_pop(&writer, buf, sizeof(buf), 0, 0);
+        switch (res) {
+        case dnswire_ok:
+            break;
+
+        case dnswire_again:
+        case dnswire_need_more:
+            continue;
+
+        default:
+            fprintf(stderr, "dnswire_writer_pop() error\n");
+            return 1;
+        }
+        break;
+    }
+
+    create_dnstap(&d, "writer_pop-2");
+
+    while (1) {
+        if (dnswire_writer_popped(writer)) {
+            if (fwrite(buf, 1, dnswire_writer_popped(writer), fp) != dnswire_writer_popped(writer)) {
+                fprintf(stderr, "fwrite() failed\n");
+                return 1;
+            }
+        }
+        enum dnswire_result res = dnswire_writer_pop(&writer, buf, sizeof(buf), 0, 0);
+        switch (res) {
+        case dnswire_ok:
+            break;
+
+        case dnswire_again:
+        case dnswire_need_more:
+            continue;
+
+        default:
+            fprintf(stderr, "dnswire_writer_pop() error\n");
+            return 1;
+        }
+        break;
+    }
+
+    if (dnswire_writer_stop(&writer) != dnswire_ok) {
+        fprintf(stderr, "dnswire_writer_stop() failed\n");
+        return 1;
+    }
+
+    while (1) {
+        if (dnswire_writer_popped(writer)) {
+            if (fwrite(buf, 1, dnswire_writer_popped(writer), fp) != dnswire_writer_popped(writer)) {
+                fprintf(stderr, "fwrite() failed\n");
+                return 1;
+            }
+        }
+        enum dnswire_result res = dnswire_writer_pop(&writer, buf, sizeof(buf), 0, 0);
+        switch (res) {
+        case dnswire_ok:
+        case dnswire_endofdata:
+            break;
+
+        case dnswire_again:
+        case dnswire_need_more:
+            continue;
+
+        default:
+            fprintf(stderr, "dnswire_reader_add() error\n");
+            return 1;
+        }
+        break;
+    }
+
+    if (dnswire_writer_popped(writer)) {
+        if (fwrite(buf, 1, dnswire_writer_popped(writer), fp) != dnswire_writer_popped(writer)) {
+            fprintf(stderr, "fwrite() failed\n");
+            return 1;
+        }
+    }
+
+    dnswire_writer_destroy(writer);
+    fclose(fp);
+    return 0;
+}
-- 
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