svn commit: r198121 - user/des/svnsup/src/libsvnsup

[Dag-Erling Smorgrav]

Author: des
Date: Thu Oct 15 10:48:19 2009
New Revision: 198121
URL: http://svn.freebsd.org/changeset/base/198121

Log:
  Common code for creating and reading svnsup deltas.

Added:
  user/des/svnsup/src/libsvnsup/   (props changed)
  user/des/svnsup/src/libsvnsup/Makefile.am   (contents, props changed)
  user/des/svnsup/src/libsvnsup/svnsup.h   (contents, props changed)
  user/des/svnsup/src/libsvnsup/svnsup_delta.c   (contents, props changed)

Added: user/des/svnsup/src/libsvnsup/Makefile.am
==============================================================================
--- /dev/null	00:00:00 1970	(empty, because file is newly added)
+++ user/des/svnsup/src/libsvnsup/Makefile.am	Thu Oct 15 10:48:19 2009	(r198121)
@@ -0,0 +1,9 @@
+# $Id$
+
+lib_LIBRARIES = libsvnsup.a
+
+libsvnsup_a_SOURCES = \
+	svnsup_delta.c
+
+noinst_HEADERS = \
+	svnsup.h

Added: user/des/svnsup/src/libsvnsup/svnsup.h
==============================================================================
--- /dev/null	00:00:00 1970	(empty, because file is newly added)
+++ user/des/svnsup/src/libsvnsup/svnsup.h	Thu Oct 15 10:48:19 2009	(r198121)
@@ -0,0 +1,47 @@
+/*-
+ * Copyright (c) 2009 Dag-Erling Coïdan Smørgrav
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer
+ *    in this position and unchanged.
+ * 2. 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 AUTHOR 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 AUTHOR 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.
+ *
+ * $Id$
+ */
+
+#ifndef SVNSUP_H_INCLUDED
+#define SVNSUP_H_INCLUDED
+
+typedef enum svnsup_err {
+	SVNSUP_ERR_NONE,
+	SVNSUP_ERR_MEMORY,
+	SVNSUP_ERR_UNKNOWN,
+	SVNSUP_ERR_MAX,
+} svnsup_err_t;
+
+typedef struct svnsup_delta *svnsup_delta_t;
+
+int svnsup_delta_create(svnsup_delta_t *);
+int svnsup_delta_close(svnsup_delta_t);
+
+int svnsup_delta_comment(svnsup_delta_t, const char *, ...);
+
+#endif

Added: user/des/svnsup/src/libsvnsup/svnsup_delta.c
==============================================================================
--- /dev/null	00:00:00 1970	(empty, because file is newly added)
+++ user/des/svnsup/src/libsvnsup/svnsup_delta.c	Thu Oct 15 10:48:19 2009	(r198121)
@@ -0,0 +1,87 @@
+/*-
+ * Copyright (c) 2009 Dag-Erling Coïdan Smørgrav
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer
+ *    in this position and unchanged.
+ * 2. 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 AUTHOR 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 AUTHOR 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.
+ *
+ * $Id$
+ */
+
+#include <ctype.h>
+#include <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "svnsup.h"
+
+struct svnsup_delta {
+	FILE *f;
+	int started:1;
+};
+
+int
+svnsup_delta_create(svnsup_delta_t *sdp)
+{
+	svnsup_delta_t sd;
+
+	if ((sd = calloc(1, sizeof *sd)) == NULL)
+		return (SVNSUP_ERR_MEMORY);
+	sd->f = stdout;
+	*sdp = sd;
+	return (SVNSUP_ERR_NONE);
+}
+
+int
+svnsup_delta_close(svnsup_delta_t sd)
+{
+
+	free(sd);
+	return (SVNSUP_ERR_NONE);
+}
+
+int
+svnsup_delta_comment(svnsup_delta_t sd, const char *fmt, ...)
+{
+	va_list ap;
+	char *commentbuf, *p;
+	int len;
+
+	va_start(ap, fmt);
+	len = vasprintf(&commentbuf, fmt, ap);
+	va_end(ap);
+	if (commentbuf == NULL)
+		return (SVNSUP_ERR_MEMORY);
+	p = commentbuf;
+	while (*p != '\0') {
+		fputs("# ", sd->f);
+		while (*p != '\0' && *p != '\n') {
+			putc(isprint(*p) ? *p : ' ', sd->f);
+			++p;
+		}
+		putc('\n', sd->f);
+		if (*p == '\n')
+			++p;
+	}
+	free(commentbuf);
+	return (SVNSUP_ERR_NONE);
+}