From b84209db97e9c1615d50d0a6e10ef8dc6484a4cc Mon Sep 17 00:00:00 2001
From: Rusty Russell <rusty@rustcorp.com.au>
Date: Mon, 24 Jan 2011 21:41:51 +1030
Subject: [PATCH] lca2011: simple cdump tool to generate cdump header and body.

---
 ccan/oserver/tools/Makefile                   | 11 ++++
 ccan/oserver/tools/make-cdump_oserver_files.c | 65 +++++++++++++++++++
 2 files changed, 76 insertions(+)
 create mode 100644 ccan/oserver/tools/Makefile
 create mode 100644 ccan/oserver/tools/make-cdump_oserver_files.c

diff --git a/ccan/oserver/tools/Makefile b/ccan/oserver/tools/Makefile
new file mode 100644
index 0000000..495fe4b
--- /dev/null
+++ b/ccan/oserver/tools/Makefile
@@ -0,0 +1,11 @@
+CFLAGS=-g -Wall  -Wstrict-prototypes -Wold-style-definition -Wmissing-prototypes -Wmissing-declarations -I../../..
+
+default: ../oserver_cdump.c
+
+make-cdump_oserver_files: make-cdump_oserver_files.o ../../grab_file.o ../../cdump.o ../../noerr.o ../../talloc.o ../../tevent.o
+
+../../%.o:
+	make -C../../.. ccan/$*.o
+
+../oserver_cdump.c: ../oserver_types.h make-cdump_oserver_files
+	./make-cdump_oserver_files ../oserver_cdump.h ../oserver_cdump.c ../oserver_types.h
diff --git a/ccan/oserver/tools/make-cdump_oserver_files.c b/ccan/oserver/tools/make-cdump_oserver_files.c
new file mode 100644
index 0000000..0694566
--- /dev/null
+++ b/ccan/oserver/tools/make-cdump_oserver_files.c
@@ -0,0 +1,65 @@
+#include <ccan/cdump/cdump_parse.h>
+#include <ccan/talloc/talloc.h>
+#include <ccan/grab_file/grab_file.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <string.h>
+#include <err.h>
+
+int main(int argc, char *argv[])
+{
+	unsigned int i;
+	int declfd, deffd;
+	char *defs, *decls;
+
+	if (argc < 4)
+		errx(1, "Usage: %s <declfile> <defsfile> <sourcefiles>...",
+			argv[0]);
+
+	declfd = open(argv[1], O_WRONLY|O_CREAT|O_TRUNC, 0600);
+	if (declfd < 0)
+		err(1, "Opening %s", argv[1]);
+	deffd = open(argv[2], O_WRONLY|O_CREAT|O_TRUNC, 0600);
+	if (deffd < 0)
+		err(1, "Opening %s", argv[2]);
+
+	decls = (char *)"#ifndef OSERVER_CDUMP_DECLS_H\n"
+		"#define OSERVER_CDUMP_DECLS_H\n"
+		"/* Autogenerated by dump_headers. */\n"
+		"#include <ccan/cdump/cdump_internal.h>\n";
+	if (write(declfd, decls, strlen(decls)) != strlen(decls))
+		err(1, "Writing to %s", argv[1]);
+
+	defs = (char *)"/* Definitions: autogenerated by dump_headers */\n"
+		"#define CDUMP_FAKE 1\n"
+		"#include <ccan/oserver/oserver_types.h>\n"
+		"#include <ccan/oserver/oserver_cdump.h>\n"
+		"#include <stddef.h>\n";
+	if (write(deffd, defs, strlen(defs)) != strlen(defs))
+		err(1, "Writing to %s", argv[2]);
+
+	for (i = 3; i < argc; i++) {
+		char *errmsg, *code;
+
+		code = grab_file(NULL, argv[i], NULL);
+		if (!code)
+			err(1, "Reading %s", argv[i]);
+		errmsg = cdump_parse(code, code, &decls, &defs);
+		if (errmsg)
+			errx(1, "Parsing %s: %s", argv[1], errmsg);
+		if (write(declfd, decls, strlen(decls)) != strlen(decls))
+			err(1, "Writing to %s", argv[1]);
+		if (write(deffd, defs, strlen(defs)) != strlen(defs))
+			err(1, "Writing to %s", argv[2]);
+		talloc_free(code);
+	}
+
+	decls = (char *)"#endif /* OSERVER_CDUMP_DECLS_H */\n";
+	if (write(declfd, decls, strlen(decls)) != strlen(decls))
+		err(1, "Writing to %s", argv[1]);
+	close(declfd);
+	close(deffd);
+	return 0;
+}
-- 
2.39.2