mercurial/base85.c
author Mads Kiilerich <mads@kiilerich.com>
Fri, 24 Sep 2010 02:57:15 +0200
branchstable
changeset 12397 3b8ced3e3bbf
parent 11362 f42ef9493fa9
child 13297 613b8bd2284e
permissions -rw-r--r--
test-gendoc: mute gendoc stderr Solaris had problems with zh_CN and warned "couldn't set locale correctly" on stderr. We don't care.
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
3283
1f2c3983a6c5 Add a base85 codec
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
     1
/*
1f2c3983a6c5 Add a base85 codec
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
     2
 base85 codec
1f2c3983a6c5 Add a base85 codec
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
     3
1f2c3983a6c5 Add a base85 codec
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
     4
 Copyright 2006 Brendan Cully <brendan@kublai.com>
1f2c3983a6c5 Add a base85 codec
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
     5
1f2c3983a6c5 Add a base85 codec
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
     6
 This software may be used and distributed according to the terms of
1f2c3983a6c5 Add a base85 codec
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
     7
 the GNU General Public License, incorporated herein by reference.
1f2c3983a6c5 Add a base85 codec
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
     8
1f2c3983a6c5 Add a base85 codec
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
     9
 Largely based on git's implementation
1f2c3983a6c5 Add a base85 codec
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
    10
*/
1f2c3983a6c5 Add a base85 codec
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
    11
1f2c3983a6c5 Add a base85 codec
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
    12
#include <Python.h>
1f2c3983a6c5 Add a base85 codec
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
    13
11362
f42ef9493fa9 base85.c: Added support for py3k.
Renato Cunha <renatoc@gmail.com>
parents: 10282
diff changeset
    14
#include "util.h"
f42ef9493fa9 base85.c: Added support for py3k.
Renato Cunha <renatoc@gmail.com>
parents: 10282
diff changeset
    15
3283
1f2c3983a6c5 Add a base85 codec
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
    16
static const char b85chars[] = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ"
1f2c3983a6c5 Add a base85 codec
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
    17
	"abcdefghijklmnopqrstuvwxyz!#$%&()*+-;<=>?@^_`{|}~";
1f2c3983a6c5 Add a base85 codec
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
    18
static char b85dec[256];
1f2c3983a6c5 Add a base85 codec
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
    19
1f2c3983a6c5 Add a base85 codec
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
    20
static void
1f2c3983a6c5 Add a base85 codec
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
    21
b85prep(void)
1f2c3983a6c5 Add a base85 codec
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
    22
{
1f2c3983a6c5 Add a base85 codec
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
    23
	int i;
1f2c3983a6c5 Add a base85 codec
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
    24
1f2c3983a6c5 Add a base85 codec
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
    25
	memset(b85dec, 0, sizeof(b85dec));
1f2c3983a6c5 Add a base85 codec
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
    26
	for (i = 0; i < sizeof(b85chars); i++)
1f2c3983a6c5 Add a base85 codec
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
    27
		b85dec[(int)(b85chars[i])] = i + 1;
1f2c3983a6c5 Add a base85 codec
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
    28
}
1f2c3983a6c5 Add a base85 codec
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
    29
1f2c3983a6c5 Add a base85 codec
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
    30
static PyObject *
1f2c3983a6c5 Add a base85 codec
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
    31
b85encode(PyObject *self, PyObject *args)
1f2c3983a6c5 Add a base85 codec
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
    32
{
1f2c3983a6c5 Add a base85 codec
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
    33
	const unsigned char *text;
1f2c3983a6c5 Add a base85 codec
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
    34
	PyObject *out;
1f2c3983a6c5 Add a base85 codec
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
    35
	char *dst;
1f2c3983a6c5 Add a base85 codec
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
    36
	int len, olen, i;
1f2c3983a6c5 Add a base85 codec
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
    37
	unsigned int acc, val, ch;
7190
aecea6934fdd Some additional space/tab cleanups
Thomas Arendsen Hein <thomas@intevation.de>
parents: 3369
diff changeset
    38
	int pad = 0;
3283
1f2c3983a6c5 Add a base85 codec
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
    39
3369
4bad632913d8 python2.5 PyArg_ParseTuple fix
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3332
diff changeset
    40
	if (!PyArg_ParseTuple(args, "s#|i", &text, &len, &pad))
3283
1f2c3983a6c5 Add a base85 codec
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
    41
		return NULL;
1f2c3983a6c5 Add a base85 codec
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
    42
7190
aecea6934fdd Some additional space/tab cleanups
Thomas Arendsen Hein <thomas@intevation.de>
parents: 3369
diff changeset
    43
	if (pad)
aecea6934fdd Some additional space/tab cleanups
Thomas Arendsen Hein <thomas@intevation.de>
parents: 3369
diff changeset
    44
		olen = ((len + 3) / 4 * 5) - 3;
aecea6934fdd Some additional space/tab cleanups
Thomas Arendsen Hein <thomas@intevation.de>
parents: 3369
diff changeset
    45
	else {
aecea6934fdd Some additional space/tab cleanups
Thomas Arendsen Hein <thomas@intevation.de>
parents: 3369
diff changeset
    46
		olen = len % 4;
aecea6934fdd Some additional space/tab cleanups
Thomas Arendsen Hein <thomas@intevation.de>
parents: 3369
diff changeset
    47
		if (olen)
aecea6934fdd Some additional space/tab cleanups
Thomas Arendsen Hein <thomas@intevation.de>
parents: 3369
diff changeset
    48
			olen++;
aecea6934fdd Some additional space/tab cleanups
Thomas Arendsen Hein <thomas@intevation.de>
parents: 3369
diff changeset
    49
		olen += len / 4 * 5;
aecea6934fdd Some additional space/tab cleanups
Thomas Arendsen Hein <thomas@intevation.de>
parents: 3369
diff changeset
    50
	}
11362
f42ef9493fa9 base85.c: Added support for py3k.
Renato Cunha <renatoc@gmail.com>
parents: 10282
diff changeset
    51
	if (!(out = PyBytes_FromStringAndSize(NULL, olen + 3)))
3283
1f2c3983a6c5 Add a base85 codec
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
    52
		return NULL;
1f2c3983a6c5 Add a base85 codec
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
    53
11362
f42ef9493fa9 base85.c: Added support for py3k.
Renato Cunha <renatoc@gmail.com>
parents: 10282
diff changeset
    54
	dst = PyBytes_AsString(out);
3283
1f2c3983a6c5 Add a base85 codec
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
    55
3288
e93c926e069e Handle odd-sized base85 input and output
Brendan Cully <brendan@kublai.com>
parents: 3283
diff changeset
    56
	while (len) {
3283
1f2c3983a6c5 Add a base85 codec
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
    57
		acc = 0;
1f2c3983a6c5 Add a base85 codec
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
    58
		for (i = 24; i >= 0; i -= 8) {
1f2c3983a6c5 Add a base85 codec
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
    59
			ch = *text++;
1f2c3983a6c5 Add a base85 codec
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
    60
			acc |= ch << i;
1f2c3983a6c5 Add a base85 codec
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
    61
			if (--len == 0)
1f2c3983a6c5 Add a base85 codec
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
    62
				break;
1f2c3983a6c5 Add a base85 codec
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
    63
		}
1f2c3983a6c5 Add a base85 codec
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
    64
		for (i = 4; i >= 0; i--) {
1f2c3983a6c5 Add a base85 codec
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
    65
			val = acc % 85;
1f2c3983a6c5 Add a base85 codec
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
    66
			acc /= 85;
1f2c3983a6c5 Add a base85 codec
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
    67
			dst[i] = b85chars[val];
1f2c3983a6c5 Add a base85 codec
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
    68
		}
1f2c3983a6c5 Add a base85 codec
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
    69
		dst += 5;
1f2c3983a6c5 Add a base85 codec
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
    70
	}
1f2c3983a6c5 Add a base85 codec
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
    71
7190
aecea6934fdd Some additional space/tab cleanups
Thomas Arendsen Hein <thomas@intevation.de>
parents: 3369
diff changeset
    72
	if (!pad)
11362
f42ef9493fa9 base85.c: Added support for py3k.
Renato Cunha <renatoc@gmail.com>
parents: 10282
diff changeset
    73
		_PyBytes_Resize(&out, olen);
3288
e93c926e069e Handle odd-sized base85 input and output
Brendan Cully <brendan@kublai.com>
parents: 3283
diff changeset
    74
3283
1f2c3983a6c5 Add a base85 codec
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
    75
	return out;
1f2c3983a6c5 Add a base85 codec
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
    76
}
1f2c3983a6c5 Add a base85 codec
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
    77
1f2c3983a6c5 Add a base85 codec
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
    78
static PyObject *
1f2c3983a6c5 Add a base85 codec
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
    79
b85decode(PyObject *self, PyObject *args)
1f2c3983a6c5 Add a base85 codec
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
    80
{
1f2c3983a6c5 Add a base85 codec
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
    81
	PyObject *out;
1f2c3983a6c5 Add a base85 codec
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
    82
	const char *text;
1f2c3983a6c5 Add a base85 codec
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
    83
	char *dst;
3288
e93c926e069e Handle odd-sized base85 input and output
Brendan Cully <brendan@kublai.com>
parents: 3283
diff changeset
    84
	int len, i, j, olen, c, cap;
3283
1f2c3983a6c5 Add a base85 codec
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
    85
	unsigned int acc;
1f2c3983a6c5 Add a base85 codec
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
    86
3369
4bad632913d8 python2.5 PyArg_ParseTuple fix
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3332
diff changeset
    87
	if (!PyArg_ParseTuple(args, "s#", &text, &len))
3283
1f2c3983a6c5 Add a base85 codec
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
    88
		return NULL;
1f2c3983a6c5 Add a base85 codec
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
    89
3288
e93c926e069e Handle odd-sized base85 input and output
Brendan Cully <brendan@kublai.com>
parents: 3283
diff changeset
    90
	olen = len / 5 * 4;
e93c926e069e Handle odd-sized base85 input and output
Brendan Cully <brendan@kublai.com>
parents: 3283
diff changeset
    91
	i = len % 5;
e93c926e069e Handle odd-sized base85 input and output
Brendan Cully <brendan@kublai.com>
parents: 3283
diff changeset
    92
	if (i)
e93c926e069e Handle odd-sized base85 input and output
Brendan Cully <brendan@kublai.com>
parents: 3283
diff changeset
    93
		olen += i - 1;
11362
f42ef9493fa9 base85.c: Added support for py3k.
Renato Cunha <renatoc@gmail.com>
parents: 10282
diff changeset
    94
	if (!(out = PyBytes_FromStringAndSize(NULL, olen)))
3283
1f2c3983a6c5 Add a base85 codec
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
    95
		return NULL;
1f2c3983a6c5 Add a base85 codec
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
    96
11362
f42ef9493fa9 base85.c: Added support for py3k.
Renato Cunha <renatoc@gmail.com>
parents: 10282
diff changeset
    97
	dst = PyBytes_AsString(out);
3283
1f2c3983a6c5 Add a base85 codec
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
    98
3288
e93c926e069e Handle odd-sized base85 input and output
Brendan Cully <brendan@kublai.com>
parents: 3283
diff changeset
    99
	i = 0;
e93c926e069e Handle odd-sized base85 input and output
Brendan Cully <brendan@kublai.com>
parents: 3283
diff changeset
   100
	while (i < len)
3283
1f2c3983a6c5 Add a base85 codec
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   101
	{
1f2c3983a6c5 Add a base85 codec
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   102
		acc = 0;
3288
e93c926e069e Handle odd-sized base85 input and output
Brendan Cully <brendan@kublai.com>
parents: 3283
diff changeset
   103
		cap = len - i - 1;
e93c926e069e Handle odd-sized base85 input and output
Brendan Cully <brendan@kublai.com>
parents: 3283
diff changeset
   104
		if (cap > 4)
e93c926e069e Handle odd-sized base85 input and output
Brendan Cully <brendan@kublai.com>
parents: 3283
diff changeset
   105
			cap = 4;
e93c926e069e Handle odd-sized base85 input and output
Brendan Cully <brendan@kublai.com>
parents: 3283
diff changeset
   106
		for (j = 0; j < cap; i++, j++)
3283
1f2c3983a6c5 Add a base85 codec
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   107
		{
1f2c3983a6c5 Add a base85 codec
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   108
			c = b85dec[(int)*text++] - 1;
1f2c3983a6c5 Add a base85 codec
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   109
			if (c < 0)
10282
08a0f04b56bd many, many trivial check-code fixups
Matt Mackall <mpm@selenic.com>
parents: 7190
diff changeset
   110
				return PyErr_Format(
08a0f04b56bd many, many trivial check-code fixups
Matt Mackall <mpm@selenic.com>
parents: 7190
diff changeset
   111
					PyExc_ValueError,
08a0f04b56bd many, many trivial check-code fixups
Matt Mackall <mpm@selenic.com>
parents: 7190
diff changeset
   112
					"Bad base85 character at position %d", i);
3283
1f2c3983a6c5 Add a base85 codec
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   113
			acc = acc * 85 + c;
1f2c3983a6c5 Add a base85 codec
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   114
		}
3288
e93c926e069e Handle odd-sized base85 input and output
Brendan Cully <brendan@kublai.com>
parents: 3283
diff changeset
   115
		if (i++ < len)
3283
1f2c3983a6c5 Add a base85 codec
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   116
		{
1f2c3983a6c5 Add a base85 codec
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   117
			c = b85dec[(int)*text++] - 1;
1f2c3983a6c5 Add a base85 codec
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   118
			if (c < 0)
10282
08a0f04b56bd many, many trivial check-code fixups
Matt Mackall <mpm@selenic.com>
parents: 7190
diff changeset
   119
				return PyErr_Format(
08a0f04b56bd many, many trivial check-code fixups
Matt Mackall <mpm@selenic.com>
parents: 7190
diff changeset
   120
					PyExc_ValueError,
08a0f04b56bd many, many trivial check-code fixups
Matt Mackall <mpm@selenic.com>
parents: 7190
diff changeset
   121
					"Bad base85 character at position %d", i);
3288
e93c926e069e Handle odd-sized base85 input and output
Brendan Cully <brendan@kublai.com>
parents: 3283
diff changeset
   122
			/* overflow detection: 0xffffffff == "|NsC0",
e93c926e069e Handle odd-sized base85 input and output
Brendan Cully <brendan@kublai.com>
parents: 3283
diff changeset
   123
			 * "|NsC" == 0x03030303 */
e93c926e069e Handle odd-sized base85 input and output
Brendan Cully <brendan@kublai.com>
parents: 3283
diff changeset
   124
			if (acc > 0x03030303 || (acc *= 85) > 0xffffffff - c)
10282
08a0f04b56bd many, many trivial check-code fixups
Matt Mackall <mpm@selenic.com>
parents: 7190
diff changeset
   125
				return PyErr_Format(
08a0f04b56bd many, many trivial check-code fixups
Matt Mackall <mpm@selenic.com>
parents: 7190
diff changeset
   126
					PyExc_ValueError,
08a0f04b56bd many, many trivial check-code fixups
Matt Mackall <mpm@selenic.com>
parents: 7190
diff changeset
   127
					"Bad base85 sequence at position %d", i);
3288
e93c926e069e Handle odd-sized base85 input and output
Brendan Cully <brendan@kublai.com>
parents: 3283
diff changeset
   128
			acc += c;
3283
1f2c3983a6c5 Add a base85 codec
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   129
		}
1f2c3983a6c5 Add a base85 codec
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   130
3288
e93c926e069e Handle odd-sized base85 input and output
Brendan Cully <brendan@kublai.com>
parents: 3283
diff changeset
   131
		cap = olen < 4 ? olen : 4;
e93c926e069e Handle odd-sized base85 input and output
Brendan Cully <brendan@kublai.com>
parents: 3283
diff changeset
   132
		olen -= cap;
e93c926e069e Handle odd-sized base85 input and output
Brendan Cully <brendan@kublai.com>
parents: 3283
diff changeset
   133
		for (j = 0; j < 4 - cap; j++)
e93c926e069e Handle odd-sized base85 input and output
Brendan Cully <brendan@kublai.com>
parents: 3283
diff changeset
   134
			acc *= 85;
e93c926e069e Handle odd-sized base85 input and output
Brendan Cully <brendan@kublai.com>
parents: 3283
diff changeset
   135
		if (cap && cap < 4)
e93c926e069e Handle odd-sized base85 input and output
Brendan Cully <brendan@kublai.com>
parents: 3283
diff changeset
   136
			acc += 0xffffff >> (cap - 1) * 8;
e93c926e069e Handle odd-sized base85 input and output
Brendan Cully <brendan@kublai.com>
parents: 3283
diff changeset
   137
		for (j = 0; j < cap; j++)
3283
1f2c3983a6c5 Add a base85 codec
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   138
		{
1f2c3983a6c5 Add a base85 codec
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   139
			acc = (acc << 8) | (acc >> 24);
3288
e93c926e069e Handle odd-sized base85 input and output
Brendan Cully <brendan@kublai.com>
parents: 3283
diff changeset
   140
			*dst++ = acc;
3283
1f2c3983a6c5 Add a base85 codec
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   141
		}
1f2c3983a6c5 Add a base85 codec
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   142
	}
1f2c3983a6c5 Add a base85 codec
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   143
1f2c3983a6c5 Add a base85 codec
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   144
	return out;
1f2c3983a6c5 Add a base85 codec
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   145
}
1f2c3983a6c5 Add a base85 codec
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   146
1f2c3983a6c5 Add a base85 codec
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   147
static char base85_doc[] = "Base85 Data Encoding";
1f2c3983a6c5 Add a base85 codec
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   148
1f2c3983a6c5 Add a base85 codec
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   149
static PyMethodDef methods[] = {
3288
e93c926e069e Handle odd-sized base85 input and output
Brendan Cully <brendan@kublai.com>
parents: 3283
diff changeset
   150
	{"b85encode", b85encode, METH_VARARGS,
7190
aecea6934fdd Some additional space/tab cleanups
Thomas Arendsen Hein <thomas@intevation.de>
parents: 3369
diff changeset
   151
	 "Encode text in base85.\n\n"
aecea6934fdd Some additional space/tab cleanups
Thomas Arendsen Hein <thomas@intevation.de>
parents: 3369
diff changeset
   152
	 "If the second parameter is true, pad the result to a multiple of "
aecea6934fdd Some additional space/tab cleanups
Thomas Arendsen Hein <thomas@intevation.de>
parents: 3369
diff changeset
   153
	 "five characters.\n"},
3288
e93c926e069e Handle odd-sized base85 input and output
Brendan Cully <brendan@kublai.com>
parents: 3283
diff changeset
   154
	{"b85decode", b85decode, METH_VARARGS, "Decode base85 text.\n"},
3283
1f2c3983a6c5 Add a base85 codec
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   155
	{NULL, NULL}
1f2c3983a6c5 Add a base85 codec
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   156
};
1f2c3983a6c5 Add a base85 codec
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   157
11362
f42ef9493fa9 base85.c: Added support for py3k.
Renato Cunha <renatoc@gmail.com>
parents: 10282
diff changeset
   158
#ifdef IS_PY3K
f42ef9493fa9 base85.c: Added support for py3k.
Renato Cunha <renatoc@gmail.com>
parents: 10282
diff changeset
   159
static struct PyModuleDef base85_module = {
f42ef9493fa9 base85.c: Added support for py3k.
Renato Cunha <renatoc@gmail.com>
parents: 10282
diff changeset
   160
	PyModuleDef_HEAD_INIT,
f42ef9493fa9 base85.c: Added support for py3k.
Renato Cunha <renatoc@gmail.com>
parents: 10282
diff changeset
   161
	"base85",
f42ef9493fa9 base85.c: Added support for py3k.
Renato Cunha <renatoc@gmail.com>
parents: 10282
diff changeset
   162
	base85_doc,
f42ef9493fa9 base85.c: Added support for py3k.
Renato Cunha <renatoc@gmail.com>
parents: 10282
diff changeset
   163
	-1,
f42ef9493fa9 base85.c: Added support for py3k.
Renato Cunha <renatoc@gmail.com>
parents: 10282
diff changeset
   164
	methods
f42ef9493fa9 base85.c: Added support for py3k.
Renato Cunha <renatoc@gmail.com>
parents: 10282
diff changeset
   165
};
f42ef9493fa9 base85.c: Added support for py3k.
Renato Cunha <renatoc@gmail.com>
parents: 10282
diff changeset
   166
f42ef9493fa9 base85.c: Added support for py3k.
Renato Cunha <renatoc@gmail.com>
parents: 10282
diff changeset
   167
PyMODINIT_FUNC PyInit_base85(void)
f42ef9493fa9 base85.c: Added support for py3k.
Renato Cunha <renatoc@gmail.com>
parents: 10282
diff changeset
   168
{
f42ef9493fa9 base85.c: Added support for py3k.
Renato Cunha <renatoc@gmail.com>
parents: 10282
diff changeset
   169
	b85prep();
f42ef9493fa9 base85.c: Added support for py3k.
Renato Cunha <renatoc@gmail.com>
parents: 10282
diff changeset
   170
f42ef9493fa9 base85.c: Added support for py3k.
Renato Cunha <renatoc@gmail.com>
parents: 10282
diff changeset
   171
	return PyModule_Create(&base85_module);
f42ef9493fa9 base85.c: Added support for py3k.
Renato Cunha <renatoc@gmail.com>
parents: 10282
diff changeset
   172
}
f42ef9493fa9 base85.c: Added support for py3k.
Renato Cunha <renatoc@gmail.com>
parents: 10282
diff changeset
   173
#else
3283
1f2c3983a6c5 Add a base85 codec
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   174
PyMODINIT_FUNC initbase85(void)
1f2c3983a6c5 Add a base85 codec
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   175
{
1f2c3983a6c5 Add a base85 codec
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   176
	Py_InitModule3("base85", methods, base85_doc);
1f2c3983a6c5 Add a base85 codec
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   177
1f2c3983a6c5 Add a base85 codec
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   178
	b85prep();
1f2c3983a6c5 Add a base85 codec
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
   179
}
11362
f42ef9493fa9 base85.c: Added support for py3k.
Renato Cunha <renatoc@gmail.com>
parents: 10282
diff changeset
   180
#endif