split out some modules and headers

[m6w6/ext-psi] / src / dump.h

diff --git a/src/dump.h b/src/dump.h
new file mode 100644 (file)
index 0000000..a887f3d
--- /dev/null
+++ b/src/dump.h
@@ -0,0 +1,57 @@
+/*******************************************************************************
+ Copyright (c) 2018, Michael Wallner <mike@php.net>.
+ 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.
+
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 COPYRIGHT OWNER 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 PSI_DUMP_H
+#define PSI_DUMP_H
+
+#include <unistd.h>
+#include <stdio.h>
+#include <stdarg.h>
+
+union psi_dump_arg {
+       void *hn;
+       int fd;
+};
+
+typedef int (*psi_dump_cb)(union psi_dump_arg, const char *msg, ...);
+
+struct psi_dump {
+       union psi_dump_arg ctx;
+       psi_dump_cb fun;
+};
+
+const struct psi_dump psi_dump_stdout;
+const struct psi_dump psi_dump_stderr;
+
+#define PSI_DUMP(dump, ...) do { \
+       const struct psi_dump *_dump_ptr = dump; \
+       if (!_dump_ptr) { \
+               _dump_ptr = &psi_dump_stdout; \
+       } \
+       _dump_ptr->fun(_dump_ptr->ctx, __VA_ARGS__); \
+} while(0)
+
+
+#endif /* PSI_DUMP_H */