Imported Upstream version 5.4.5upstream/5.4.5

1 files changed, 87 insertions, 0 deletions

diff --git a/ext/zip/lib/zip_source_error.c b/ext/zip/lib/zip_source_error.c
new file mode 100644
index 000000000..ffb4652d3
--- /dev/null
+++ b/ext/zip/lib/zip_source_error.c
@@ -0,0 +1,87 @@
+/*
+  zip_source_error.c -- get last error from zip_source
+  Copyright (C) 2009 Dieter Baron and Thomas Klausner
+
+  This file is part of libzip, a library to manipulate ZIP archives.
+  The authors can be contacted at <libzip@nih.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 "zipint.h"
+
+
+
+ZIP_EXTERN(void)
+zip_source_error(struct zip_source *src, int *ze, int *se)
+{
+    int e[2];
+
+    if (src->src == NULL) {
+    }
+    else {
+	switch (src->error_source) {
+	case ZIP_LES_NONE:
+	    if (src->src == NULL) {
+		if (src->cb.f(src->ud, e, sizeof(e), ZIP_SOURCE_ERROR) < 0) {
+		    e[0] = ZIP_ER_INTERNAL;
+		    e[1] = 0;
+		}
+	    }
+	    else
+		e[0] = e[1] = 0;
+	    break;
+
+	case ZIP_LES_INVAL:
+	    e[0] = ZIP_ER_INVAL;
+	    e[1] = 0;
+	    break;
+
+	case ZIP_LES_LOWER:
+	    zip_source_error(src->src, ze, se);
+	    return;
+
+	case ZIP_LES_UPPER:
+	    if (src->cb.l(src->src, src->ud, e, sizeof(e),
+			  ZIP_SOURCE_ERROR) < 0) {
+		e[0] = ZIP_ER_INTERNAL;
+		e[1] = 0;
+	    }
+	    break;
+
+	default:
+	    e[0] = ZIP_ER_INTERNAL;
+	    e[1] = 0;
+	}
+    }
+
+    if (ze)
+	*ze = e[0];
+    if (se)
+	*se = e[1];
+}