1 files changed, 93 insertions, 0 deletions
diff --git a/lib/libmd/mdXhl.c b/lib/libmd/mdXhl.c
new file mode 100644
index 0000000..439e9ff
--- /dev/null
+++ b/lib/libmd/mdXhl.c
@@ -0,0 +1,93 @@
+/* mdXhl.c
+ * ----------------------------------------------------------------------------
+ * "THE BEER-WARE LICENSE" (Revision 42):
+ * <phk@FreeBSD.org> wrote this file.  As long as you retain this notice you
+ * can do whatever you want with this stuff. If we meet some day, and you think
+ * this stuff is worth it, you can buy me a beer in return.   Poul-Henning Kamp
+ * ----------------------------------------------------------------------------
+ */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <unistd.h>
+
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "mdX.h"
+
+char *
+MDXEnd(MDX_CTX *ctx, char *buf)
+{
+    int i;
+    unsigned char digest[LENGTH];
+    static const char hex[]="0123456789abcdef";
+
+    if (!buf)
+        buf = malloc(2*LENGTH + 1);
+    if (!buf)
+	return 0;
+    MDXFinal(digest, ctx);
+    for (i = 0; i < LENGTH; i++) {
+	buf[i+i] = hex[digest[i] >> 4];
+	buf[i+i+1] = hex[digest[i] & 0x0f];
+    }
+    buf[i+i] = '\0';
+    return buf;
+}
+
+char *
+MDXFile(const char *filename, char *buf)
+{
+    return MDXFileChunk(filename, buf, 0, 0);
+}
+
+char *
+MDXFileChunk(const char *filename, char *buf, off_t ofs, off_t len)
+{
+    unsigned char buffer[BUFSIZ];
+    MDX_CTX ctx;
+    struct stat stbuf;
+    int f, i, e;
+    off_t n;
+
+    MDXInit(&ctx);
+    f = open(filename, O_RDONLY);
+    if (f < 0) return 0;
+    if (fstat(f, &stbuf) < 0) return 0;
+    if (ofs > stbuf.st_size)
+	ofs = stbuf.st_size;
+    if ((len == 0) || (len > stbuf.st_size - ofs))
+	len = stbuf.st_size - ofs;
+    if (lseek(f, ofs, SEEK_SET) < 0) return 0;
+    n = len;
+    while (n > 0) {
+	if (n > sizeof(buffer))
+	    i = read(f, buffer, sizeof(buffer));
+	else
+	    i = read(f, buffer, n);
+	if (i < 0) break;
+	MDXUpdate(&ctx, buffer, i);
+	n -= i;
+    } 
+    e = errno;
+    close(f);
+    errno = e;
+    if (i < 0) return 0;
+    return MDXEnd(&ctx, buf);
+}
+
+char *
+MDXData (const unsigned char *data, unsigned int len, char *buf)
+{
+    MDX_CTX ctx;
+
+    MDXInit(&ctx);
+    MDXUpdate(&ctx,data,len);
+    return MDXEnd(&ctx, buf);
+}