[Emacs-diffs] Changes to emacs/lisp/gnus/sha1.el,v [EMACS_22_BASE]

[Stefan Monnier]

CVSROOT:        /sources/emacs
Module name:    emacs
Branch:         EMACS_22_BASE
Changes by:     Stefan Monnier <monnier>        07/08/23 18:25:48

Index: sha1.el
===================================================================
RCS file: /sources/emacs/emacs/lisp/gnus/sha1.el,v
retrieving revision 1.8.2.1
retrieving revision 1.8.2.2
diff -u -b -r1.8.2.1 -r1.8.2.2
--- sha1.el     25 Jul 2007 04:19:57 -0000      1.8.2.1
+++ sha1.el     23 Aug 2007 18:25:48 -0000      1.8.2.2
@@ -123,56 +123,56 @@
   (defconst sha1-K3-high 51810)                ; (string-to-number "CA62" 16)
   (defconst sha1-K3-low  49622)                ; (string-to-number "C1D6" 16)
 
-;;; original definition of sha1-F0.
-;;; (defmacro sha1-F0 (B C D)
-;;;   (` (logior (logand (, B) (, C))
-;;;         (logand (lognot (, B)) (, D)))))
-;;; a little optimization from GnuPG/cipher/sha1.c.
+  ;; original definition of sha1-F0.
+  ;; (defmacro sha1-F0 (B C D)
+  ;;   (` (logior (logand (, B) (, C))
+  ;;        (logand (lognot (, B)) (, D)))))
+  ;; a little optimization from GnuPG/cipher/sha1.c.
   (defmacro sha1-F0 (B C D)
-    (` (logxor (, D) (logand (, B) (logxor (, C) (, D))))))
+    `(logxor ,D (logand ,B (logxor ,C ,D))))
   (defmacro sha1-F1 (B C D)
-    (` (logxor (, B) (, C) (, D))))
-;;; original definition of sha1-F2.
-;;; (defmacro sha1-F2 (B C D)
-;;;   (` (logior (logand (, B) (, C))
-;;;         (logand (, B) (, D))
-;;;         (logand (, C) (, D)))))
-;;; a little optimization from GnuPG/cipher/sha1.c.
+    `(logxor ,B ,C ,D))
+  ;; original definition of sha1-F2.
+  ;; (defmacro sha1-F2 (B C D)
+  ;;   (` (logior (logand (, B) (, C))
+  ;;        (logand (, B) (, D))
+  ;;        (logand (, C) (, D)))))
+  ;; a little optimization from GnuPG/cipher/sha1.c.
   (defmacro sha1-F2 (B C D)
-    (` (logior (logand (, B) (, C))
-              (logand (, D) (logior (, B) (, C))))))
+    `(logior (logand ,B ,C)
+              (logand ,D (logior ,B ,C))))
   (defmacro sha1-F3 (B C D)
-    (` (logxor (, B) (, C) (, D))))
+    `(logxor ,B ,C ,D))
 
   (defmacro sha1-S1  (W-high W-low)
-    (` (let ((W-high (, W-high))
-            (W-low  (, W-low)))
+    `(let ((W-high ,W-high)
+           (W-low  ,W-low))
         (setq S1W-high (+ (% (* W-high 2) 65536)
-                          (/ W-low (, (/ 65536 2)))))
-        (setq S1W-low (+ (/ W-high (, (/ 65536 2)))
-                         (% (* W-low 2) 65536))))))
+                          (/ W-low ,(/ 65536 2))))
+        (setq S1W-low (+ (/ W-high ,(/ 65536 2))
+                         (% (* W-low 2) 65536)))))
   (defmacro sha1-S5  (A-high A-low)
-    (` (progn
-        (setq S5A-high (+ (% (* (, A-high) 32) 65536)
-                          (/ (, A-low) (, (/ 65536 32)))))
-        (setq S5A-low  (+ (/ (, A-high) (, (/ 65536 32)))
-                          (% (* (, A-low) 32) 65536))))))
+    `(progn
+       (setq S5A-high (+ (% (* ,A-high 32) 65536)
+                         (/ ,A-low ,(/ 65536 32))))
+       (setq S5A-low  (+ (/ ,A-high ,(/ 65536 32))
+                         (% (* ,A-low 32) 65536)))))
   (defmacro sha1-S30 (B-high B-low)
-    (` (progn
-        (setq S30B-high (+ (/ (, B-high) 4)
-                           (* (% (, B-low) 4) (, (/ 65536 4)))))
-        (setq S30B-low  (+ (/ (, B-low) 4)
-                           (* (% (, B-high) 4) (, (/ 65536 4))))))))
+    `(progn
+       (setq S30B-high (+ (/ ,B-high 4)
+                          (* (% ,B-low 4) ,(/ 65536 4))))
+       (setq S30B-low  (+ (/ ,B-low 4)
+                          (* (% ,B-high 4) ,(/ 65536 4))))))
 
   (defmacro sha1-OP (round)
-    (` (progn
+    `(progn
         (sha1-S5 sha1-A-high sha1-A-low)
         (sha1-S30 sha1-B-high sha1-B-low)
-        (setq sha1-A-low (+ ((, (intern (format "sha1-F%d" round)))
+       (setq sha1-A-low (+ (,(intern (format "sha1-F%d" round))
                              sha1-B-low sha1-C-low sha1-D-low)
                             sha1-E-low
-                            (, (symbol-value
-                                (intern (format "sha1-K%d-low" round))))
+                           ,(symbol-value
+                             (intern (format "sha1-K%d-low" round)))
                             (aref block-low idx)
                             (progn
                               (setq sha1-E-low sha1-D-low)
@@ -182,11 +182,11 @@
                               S5A-low)))
         (setq carry (/ sha1-A-low 65536))
         (setq sha1-A-low (% sha1-A-low 65536))
-        (setq sha1-A-high (% (+ ((, (intern (format "sha1-F%d" round)))
+       (setq sha1-A-high (% (+ (,(intern (format "sha1-F%d" round))
                                  sha1-B-high sha1-C-high sha1-D-high)
                                 sha1-E-high
-                                (, (symbol-value
-                                    (intern (format "sha1-K%d-high" round))))
+                               ,(symbol-value
+                                 (intern (format "sha1-K%d-high" round)))
                                 (aref block-high idx)
                                 (progn
                                   (setq sha1-E-high sha1-D-high)
@@ -195,21 +195,21 @@
                                   (setq sha1-B-high sha1-A-high)
                                   S5A-high)
                                 carry)
-                             65536)))))
+                            65536))))
 
   (defmacro sha1-add-to-H (H X)
-    (` (progn
-        (setq (, (intern (format "sha1-%s-low" H)))
-              (+ (, (intern (format "sha1-%s-low" H)))
-                 (, (intern (format "sha1-%s-low" X)))))
-        (setq carry (/ (, (intern (format "sha1-%s-low" H))) 65536))
-        (setq (, (intern (format "sha1-%s-low" H)))
-              (% (, (intern (format "sha1-%s-low" H))) 65536))
-        (setq (, (intern (format "sha1-%s-high" H)))
-              (% (+ (, (intern (format "sha1-%s-high" H)))
-                    (, (intern (format "sha1-%s-high" X)))
+    `(progn
+       (setq ,(intern (format "sha1-%s-low" H))
+             (+ ,(intern (format "sha1-%s-low" H))
+                ,(intern (format "sha1-%s-low" X))))
+       (setq carry (/ ,(intern (format "sha1-%s-low" H)) 65536))
+       (setq ,(intern (format "sha1-%s-low" H))
+             (% ,(intern (format "sha1-%s-low" H)) 65536))
+       (setq ,(intern (format "sha1-%s-high" H))
+             (% (+ ,(intern (format "sha1-%s-high" H))
+                   ,(intern (format "sha1-%s-high" X))
                     carry)
-                 65536)))))
+                65536))))
   )
 
 ;;; buffers (H0 H1 H2 H3 H4).
@@ -433,11 +433,10 @@
 If BINARY is non-nil, return a string in binary form."
   (if (stringp object)
       (sha1-string object binary)
-    (save-excursion
-      (set-buffer object)
+    (with-current-buffer object
       (sha1-region (or beg (point-min)) (or end (point-max)) binary))))
 
 (provide 'sha1)
 
-;;; arch-tag: c0f9abd0-ffc1-4557-aac6-ece7f2d4c901
+;; arch-tag: c0f9abd0-ffc1-4557-aac6-ece7f2d4c901
 ;;; sha1.el ends here