Import Upstream version 2.72.4

glib/gchecksum.h

@@ -0,0 +1,104 @@
+/* gchecksum.h - data hashing functions
+ *
+ * Copyright (C) 2007  Emmanuele Bassi  <ebassi@gnome.org>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this library; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef __G_CHECKSUM_H__
+#define __G_CHECKSUM_H__
+
+#if !defined (__GLIB_H_INSIDE__) && !defined (GLIB_COMPILATION)
+#error "Only <glib.h> can be included directly."
+#endif
+
+#include <glib/gtypes.h>
+#include <glib/gbytes.h>
+
+G_BEGIN_DECLS
+
+/**
+ * GChecksumType:
+ * @G_CHECKSUM_MD5: Use the MD5 hashing algorithm
+ * @G_CHECKSUM_SHA1: Use the SHA-1 hashing algorithm
+ * @G_CHECKSUM_SHA256: Use the SHA-256 hashing algorithm
+ * @G_CHECKSUM_SHA384: Use the SHA-384 hashing algorithm (Since: 2.51)
+ * @G_CHECKSUM_SHA512: Use the SHA-512 hashing algorithm (Since: 2.36)
+ *
+ * The hashing algorithm to be used by #GChecksum when performing the
+ * digest of some data.
+ *
+ * Note that the #GChecksumType enumeration may be extended at a later
+ * date to include new hashing algorithm types.
+ *
+ * Since: 2.16
+ */
+typedef enum {
+  G_CHECKSUM_MD5,
+  G_CHECKSUM_SHA1,
+  G_CHECKSUM_SHA256,
+  G_CHECKSUM_SHA512,
+  G_CHECKSUM_SHA384
+} GChecksumType;
+
+/**
+ * GChecksum:
+ *
+ * An opaque structure representing a checksumming operation.
+ *
+ * To create a new GChecksum, use g_checksum_new(). To free
+ * a GChecksum, use g_checksum_free().
+ *
+ * Since: 2.16
+ */
+typedef struct _GChecksum       GChecksum;
+
+GLIB_AVAILABLE_IN_ALL
+gssize                g_checksum_type_get_length    (GChecksumType    checksum_type);
+
+GLIB_AVAILABLE_IN_ALL
+GChecksum *           g_checksum_new                (GChecksumType    checksum_type);
+GLIB_AVAILABLE_IN_ALL
+void                  g_checksum_reset              (GChecksum       *checksum);
+GLIB_AVAILABLE_IN_ALL
+GChecksum *           g_checksum_copy               (const GChecksum *checksum);
+GLIB_AVAILABLE_IN_ALL
+void                  g_checksum_free               (GChecksum       *checksum);
+GLIB_AVAILABLE_IN_ALL
+void                  g_checksum_update             (GChecksum       *checksum,
+                                                     const guchar    *data,
+                                                     gssize           length);
+GLIB_AVAILABLE_IN_ALL
+const gchar *         g_checksum_get_string         (GChecksum       *checksum);
+GLIB_AVAILABLE_IN_ALL
+void                  g_checksum_get_digest         (GChecksum       *checksum,
+                                                     guint8          *buffer,
+                                                     gsize           *digest_len);
+
+GLIB_AVAILABLE_IN_ALL
+gchar                *g_compute_checksum_for_data   (GChecksumType    checksum_type,
+                                                     const guchar    *data,
+                                                     gsize            length);
+GLIB_AVAILABLE_IN_ALL
+gchar                *g_compute_checksum_for_string (GChecksumType    checksum_type,
+                                                     const gchar     *str,
+                                                     gssize           length);
+
+GLIB_AVAILABLE_IN_2_34
+gchar                *g_compute_checksum_for_bytes  (GChecksumType    checksum_type,
+                                                     GBytes          *data);
+
+G_END_DECLS
+
+#endif /* __G_CHECKSUM_H__ */