Add zip_add_dir, requested by Pierre.

--HG--
branch : HEAD
diff --git a/NEWS b/NEWS
index 4e9fbaa..d7d93e6 100644
--- a/NEWS
+++ b/NEWS
@@ -1,6 +1,8 @@
 0.8
 
 * fix zip_error_strerror to include libzip error string
+* add support for streamed zip files
+* new function: zip_add_dir
 
 0.7.1 [2006/05/18]
 
diff --git a/lib/Makefile.am b/lib/Makefile.am
index 74147c4..9371948 100644
--- a/lib/Makefile.am
+++ b/lib/Makefile.am
@@ -7,6 +7,7 @@
 
 libzip_la_SOURCES=\
 	zip_add.c \
+	zip_add_dir.c \
 	zip_close.c \
 	zip_delete.c \
 	zip_dirent.c \
diff --git a/lib/zip.h b/lib/zip.h
index 9ed853e..befd074 100644
--- a/lib/zip.h
+++ b/lib/zip.h
@@ -2,7 +2,7 @@
 #define _HAD_ZIP_H
 
 /*
-  $NiH: zip.h,v 1.56 2006/04/23 16:36:42 wiz Exp $
+  $NiH: zip.h,v 1.57 2006/04/24 14:04:19 dillo Exp $
 
   zip.h -- exported declarations.
   Copyright (C) 1999-2006 Dieter Baron and Thomas Klausner
@@ -160,6 +160,7 @@
 
 
 int zip_add(struct zip *, const char *, struct zip_source *);
+int zip_add_dir(struct zip *, const char *);
 int zip_close(struct zip *);
 int zip_delete(struct zip *, int);
 void zip_error_get(struct zip *, int *, int *);
diff --git a/lib/zip_add_dir.c b/lib/zip_add_dir.c
new file mode 100644
index 0000000..d258408
--- /dev/null
+++ b/lib/zip_add_dir.c
@@ -0,0 +1,83 @@
+/*
+  $NiH: zip_add.c,v 1.14 2004/11/18 15:04:04 wiz Exp $
+
+  zip_add_dir.c -- add directory
+  Copyright (C) 1999-2006 Dieter Baron and Thomas Klausner
+
+  This file is part of libzip, a library to manipulate ZIP archives.
+  The authors can be contacted at <nih@giga.or.at>
+
+  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.
+  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.
+  3. The names of the authors may not be used to endorse or promote
+     products derived from this software without specific prior
+     written permission.
+ 
+  THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``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 AUTHORS 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.
+*/
+
+
+
+#include <stdlib.h>
+#include <string.h>
+
+#include "zip.h"
+#include "zipint.h"
+
+
+
+int
+zip_add_dir(struct zip *za, const char *name)
+{
+    int len, ret;
+    char *s;
+    struct zip_source *source;
+
+    if (name == NULL) {
+	_zip_error_set(&za->error, ZIP_ER_INVAL, 0);
+	return -1;
+    }
+
+    s = NULL;
+    len = strlen(name);
+
+    if (name[len-1] != '/') {
+	if ((s=(char *)malloc(len+2)) == NULL) {
+	    _zip_error_set(&za->error, ZIP_ER_MEMORY, 0);
+	    return -1;
+	}
+	strcpy(s, name);
+	s[len] = '/';
+	s[len+1] = '\0';
+    }
+
+    if ((source=zip_source_buffer(za, NULL, 0, 0)) == NULL) {
+	free(s);
+	return -1;
+    }
+	
+    ret = _zip_replace(za, -1, s ? s : name, source);
+
+    free(s);
+    if (ret < 0)
+	zip_source_free(source);
+
+    return ret;
+}