Merging upstream version 0.12.2.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 76 insertions, 0 deletions

diff --git a/src/base/piper.file.hh b/src/base/piper.file.hh
new file mode 100644
index 0000000..7a263ea
--- /dev/null
+++ b/src/base/piper.file.hh
@@ -0,0 +1,76 @@
+/**
+ * Copyright (c) 2023, Timothy Stack
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * * Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * * Neither the name of Timothy Stack nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ''AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef lnav_piper_file_hh
+#define lnav_piper_file_hh
+
+#include <map>
+#include <string>
+
+#include <sys/time.h>
+
+#include "auto_mem.hh"
+#include "ghc/filesystem.hpp"
+#include "optional.hpp"
+#include "time_util.hh"
+
+namespace lnav {
+namespace piper {
+
+struct header {
+    timeval h_ctime{};
+    std::string h_name;
+    std::string h_cwd;
+    std::map<std::string, std::string> h_env;
+
+    bool operator<(const header& rhs) const
+    {
+        if (this->h_ctime < rhs.h_ctime) {
+            return true;
+        }
+
+        if (this->h_ctime == rhs.h_ctime) {
+            return this->h_name < rhs.h_name;
+        }
+
+        return false;
+    }
+};
+
+const ghc::filesystem::path& storage_path();
+
+constexpr size_t HEADER_SIZE = 8;
+extern const char HEADER_MAGIC[4];
+
+nonstd::optional<auto_buffer> read_header(int fd, const char* first8);
+
+}  // namespace piper
+}  // namespace lnav
+
+#endif