New: MD5 digest functions.

* Makefile (OBJS): New object file, chksums/md5.o.

* chksum.c (sha256_ensure_buf): Renamed to chksum_ensure_buf
and made generic so MD5 code can borrow it.
(sha256_stream, sha256): Call chksum_ensure_buf instead of
sha256_ensure_buf, passing in new length and hash name
parameters.
(md5_stream_impl, md5_buf, md5_str): New static functions.
(md5_stream, md5): New functions.
(chksum_init): Register md5-stream and md5 intrinsics.

* chksum.h (md5_stream, md5): Declared.

* chksums/md5.c, chksums/md5.h: New files.

1 files changed, 1 insertions, 1 deletions

diff --git a/Makefile b/Makefile
index fc7598d5..f363a94b 100644
--- a/Makefile
+++ b/Makefile
@@ -52,7 +52,7 @@ EXTRA_OBJS-y :=
 OBJS := txr.o lex.yy.o y.tab.o match.o lib.o regex.o gc.o unwind.o stream.o
 OBJS += arith.o hash.o utf8.o filter.o eval.o parser.o rand.o combi.o sysif.o
 OBJS += args.o lisplib.o cadr.o struct.o itypes.o buf.o jmp.o protsym.o ffi.o
-OBJS += strudel.o vm.o chksum.o chksums/sha256.o chksums/crc32.o
+OBJS += strudel.o vm.o chksum.o chksums/sha256.o chksums/crc32.o chksums/md5.o
 OBJS-$(debug_support) += debug.o
 OBJS-$(have_syslog) += syslog.o
 OBJS-$(have_glob) += glob.o