1 files changed, 103 insertions, 0 deletions
diff --git a/package/cfgfs/src/wraps.c b/package/cfgfs/src/wraps.c
new file mode 100644
index 000000000..650474791
--- /dev/null
+++ b/package/cfgfs/src/wraps.c
@@ -0,0 +1,103 @@
+/* $MirOS: contrib/hosted/fwcf/wraps.c,v 1.7 2006/09/26 10:25:03 tg Exp $ */
+
+/*-
+ * Copyright (c) 2006
+ *	Thorsten Glaser <tg@mirbsd.de>
+ *
+ * Licensee is hereby permitted to deal in this work without restric-
+ * tion, including unlimited rights to use, publicly perform, modify,
+ * merge, distribute, sell, give away or sublicence, provided all co-
+ * pyright notices above, these terms and the disclaimer are retained
+ * in all redistributions or reproduced in accompanying documentation
+ * or other materials provided with binary redistributions.
+ *
+ * Licensor offers the work "AS IS" and WITHOUT WARRANTY of any kind,
+ * express, or implied, to the maximum extent permitted by applicable
+ * law, without malicious intent or gross negligence; in no event may
+ * licensor, an author or contributor be held liable for any indirect
+ * or other damage, or direct damage except proven a consequence of a
+ * direct error of said person and intended use of this work, loss or
+ * other issues arising in any way out of its use, even if advised of
+ * the possibility of such damage or existence of a defect.
+ */
+
+#include <sys/param.h>
+#include <err.h>
+#ifdef DEBUG
+#include <stdio.h>
+#endif
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include "defs.h"
+#include "adler.h"
+#include "compress.h"
+#include "fts_subs.h"
+#include "pack.h"
+#include "sysdeps.h"
+
+__RCSID("$MirOS: contrib/hosted/fwcf/wraps.c,v 1.7 2006/09/26 10:25:03 tg Exp $");
+
+char *
+fwcf_packm(const char *dir, int algo, size_t *dstsz)
+{
+	char empty_data = 0, *data, *f_data = NULL;
+	size_t i;
+
+	if (dir == NULL) {
+		data = &empty_data;
+		i = 1;
+	} else {
+		ftsf_start(dir);
+		data = (f_data = ft_packm()) + sizeof (size_t);
+		i = *(size_t *)f_data - sizeof (size_t);
+	}
+	data = fwcf_pack(data, i, algo, dstsz);
+	if (f_data != NULL)
+		free(f_data);
+	return (data);
+}
+
+char *
+fwcf_pack(char *odata, size_t i, int algo, size_t *dstsz)
+{
+	int j;
+	size_t k;
+	char *data, *cdata;
+
+	if (i > 0xFFFFFF)
+		errx(1, "inner size of %lu too large", (u_long)i);
+#ifdef DEBUG
+	fprintf(stderr, "fwcf_pack: algo %02X packing %lu\n", algo, (u_long)i);
+#endif
+
+	if ((j = compressor_get(algo)->compress(&cdata, odata, i)) == -1)
+		errx(1, "%s compression failed", compressor_get(algo)->name);
+
+	/* 12 bytes header, padding to 4-byte boundary, 4 bytes trailer */
+	k = ((j + 19) / 4) * 4;
+#if DEF_FLASHPART > 0xFFFFFF
+# error DEF_FLASHPART too large
+#endif
+	if (k > DEF_FLASHPART)
+		errx(1, "%lu bytes too large for flash partition of %lu KiB",
+		    (u_long)k, DEF_FLASHPART / 1024UL);
+	/* padded to size of flash block */
+#if (DEF_FLASHBLOCK & 3)
+# error DEF_FLASHBLOCK must be dword-aligned
+#endif
+	*dstsz = ((k + (DEF_FLASHBLOCK - 1)) / DEF_FLASHBLOCK) * DEF_FLASHBLOCK;
+	if ((data = malloc(*dstsz)) == NULL)
+		err(1, "malloc");
+	mkheader(data, *dstsz, k, i, algo);
+	memcpy(data + 12, cdata, j);
+	free(cdata);
+	k = j + 12;
+	while (k & 3)
+		data[k++] = 0;
+	mktrailer(data, k);
+	k += 4;
+	pull_rndata((uint8_t *)data + k, *dstsz - k);
+	return (data);
+}