diff --git a/lib/libmd/mdXhl.c b/lib/libmd/mdXhl.c
index 40be65f52d3c..983ea8add989 100644
--- a/lib/libmd/mdXhl.c
+++ b/lib/libmd/mdXhl.c
@@ -1,138 +1,138 @@
 /*- mdXhl.c
  * SPDX-License-Identifier: Beerware
  *
  * ----------------------------------------------------------------------------
  * "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 *
 MDXFd(int fd, char *buf)
 {
 	return MDXFdChunk(fd, buf, 0, 0);
 }
 
 char *
 MDXFdChunk(int fd, char *buf, off_t ofs, off_t len)
 {
 	unsigned char buffer[16*1024];
 	MDX_CTX ctx;
 	struct stat stbuf;
 	int readrv, e;
 	off_t remain;
 
 	if (len < 0) {
 		errno = EINVAL;
 		return NULL;
 	}
 
 	MDXInit(&ctx);
 	if (ofs != 0) {
 		errno = 0;
 		if (lseek(fd, ofs, SEEK_SET) != ofs ||
 		    (ofs == -1 && errno != 0)) {
 			readrv = -1;
 			goto error;
 		}
 	}
 	remain = len;
 	readrv = 0;
 	while (len == 0 || remain > 0) {
 		if (len == 0 || remain > sizeof(buffer))
 			readrv = read(fd, buffer, sizeof(buffer));
 		else
 			readrv = read(fd, buffer, remain);
-		if (readrv <= 0) 
+		if (readrv <= 0)
 			break;
 		MDXUpdate(&ctx, buffer, readrv);
 		remain -= readrv;
-	} 
+	}
 error:
 	if (readrv < 0)
 		return NULL;
 	return (MDXEnd(&ctx, 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)
 {
 	char *ret;
 	int e, fd;
 
 	fd = open(filename, O_RDONLY);
 	if (fd < 0)
 		return NULL;
 	ret = MDXFdChunk(fd, buf, ofs, len);
 	e = errno;
 	close (fd);
 	errno = e;
 	return ret;
 }
 
 char *
 MDXData (const void *data, unsigned int len, char *buf)
 {
 	MDX_CTX ctx;
 
 	MDXInit(&ctx);
 	MDXUpdate(&ctx,data,len);
 	return (MDXEnd(&ctx, buf));
 }
 
 #ifdef WEAK_REFS
 /* When building libmd, provide weak references. Note: this is not
    activated in the context of compiling these sources for internal
    use in libcrypt.
  */
 #undef MDXEnd
 __weak_reference(_libmd_MDXEnd, MDXEnd);
 #undef MDXFile
 __weak_reference(_libmd_MDXFile, MDXFile);
 #undef MDXFileChunk
 __weak_reference(_libmd_MDXFileChunk, MDXFileChunk);
 #undef MDXData
 __weak_reference(_libmd_MDXData, MDXData);
 #endif