base91: Patch the C version for our charset change

The base91.c.patch file was made by editing base91.c by hand and
running git diff.  The change to enctab is the obvious one.
The change to dectab was simply done by hand based on inspection.

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>

diff --git a/base91s/Dir.sd.mk b/base91s/Dir.sd.mk
index d793dd27afa43df18c8e5fd595f3836db7cbc2aa..4b8f3fbe8c8f3900fe3205987282bc084c8c8621 100644 (file)
--- a/base91s/Dir.sd.mk
+++ b/base91s/Dir.sd.mk
@@ -5,9 +5,11 @@
 &CFILES += & base91.c base91.h cli.c
 &CLEAN += $(&CFILES)
 
+&base91.c: &^base91.c.patch
 $(&CFILES): &/%: &~/base91-c/% &/Dir.mk
        perl -pe <$< >$@.tmp \
  'next if m{^\#include}; s/basE91/base91s/g; s/base91\b/base91s/g'
+       patch <$(or $(filter %.patch,$^),/dev/null) $@.tmp
        mv -f $@.tmp $@
 
 $(&OBJECTS): &base91.h

diff --git a/base91s/base91.c.patch b/base91s/base91.c.patch
new file mode 100644 (file)
index 0000000..1078d5a
--- /dev/null
+++ b/base91s/base91.c.patch
@@ -0,0 +1,19 @@
+diff --git a/base91.c b/base91.c
+index 3d9d7ea..7a5958a 100644
+--- a/base91.c
++++ b/base91.c
+@@ -38,12 +38,12 @@ const unsigned char enctab[91] = {
+       'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z',
+       '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', '!', '#', '$',
+       '%', '&', '(', ')', '*', '+', ',', '.', '/', ':', ';', '<', '=',
+-      '>', '?', '@', '[', ']', '^', '_', '`', '{', '|', '}', '~', '"'
++      '>', '?', '@', '[', ']', '^', '_', '`', '{', '|', '}', '~', '-'
+ };
+ const unsigned char dectab[256] = {
+       91, 91, 91, 91, 91, 91, 91, 91, 91, 91, 91, 91, 91, 91, 91, 91,
+       91, 91, 91, 91, 91, 91, 91, 91, 91, 91, 91, 91, 91, 91, 91, 91,
+-      91, 62, 90, 63, 64, 65, 66, 91, 67, 68, 69, 70, 71, 91, 72, 73,
++      91, 62, 91, 63, 64, 65, 66, 91, 67, 68, 69, 70, 71, 90, 72, 73,
+       52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 74, 75, 76, 77, 78, 79,
+       80,  0,  1,  2,  3,  4,  5,  6,  7,  8,  9, 10, 11, 12, 13, 14,
+       15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 81, 91, 82, 83, 84,