diff options
Diffstat (limited to 'Modules')
-rw-r--r-- | Modules/binascii.c | 167 |
1 files changed, 88 insertions, 79 deletions
diff --git a/Modules/binascii.c b/Modules/binascii.c index c4c97b5..4776170 100644 --- a/Modules/binascii.c +++ b/Modules/binascii.c @@ -143,7 +143,7 @@ static unsigned char table_a2b_hqx[256] = { }; static unsigned char table_b2a_hqx[] = - "!\"#$%&'()*+,-012345689@ABCDEFGHIJKLMNPQRSTUVXYZ[`abcdefhijklmpqr"; +"!\"#$%&'()*+,-012345689@ABCDEFGHIJKLMNPQRSTUVXYZ[`abcdefhijklmpqr"; static char table_a2b_base64[] = { -1,-1,-1,-1, -1,-1,-1,-1, -1,-1,-1,-1, -1,-1,-1,-1, @@ -160,43 +160,43 @@ static char table_a2b_base64[] = { #define BASE64_MAXBIN 57 /* Max binary chunk size (76 char line) */ static unsigned char table_b2a_base64[] = - "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; +"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; static unsigned short crctab_hqx[256] = { - 0x0000, 0x1021, 0x2042, 0x3063, 0x4084, 0x50a5, 0x60c6, 0x70e7, - 0x8108, 0x9129, 0xa14a, 0xb16b, 0xc18c, 0xd1ad, 0xe1ce, 0xf1ef, - 0x1231, 0x0210, 0x3273, 0x2252, 0x52b5, 0x4294, 0x72f7, 0x62d6, - 0x9339, 0x8318, 0xb37b, 0xa35a, 0xd3bd, 0xc39c, 0xf3ff, 0xe3de, - 0x2462, 0x3443, 0x0420, 0x1401, 0x64e6, 0x74c7, 0x44a4, 0x5485, - 0xa56a, 0xb54b, 0x8528, 0x9509, 0xe5ee, 0xf5cf, 0xc5ac, 0xd58d, - 0x3653, 0x2672, 0x1611, 0x0630, 0x76d7, 0x66f6, 0x5695, 0x46b4, - 0xb75b, 0xa77a, 0x9719, 0x8738, 0xf7df, 0xe7fe, 0xd79d, 0xc7bc, - 0x48c4, 0x58e5, 0x6886, 0x78a7, 0x0840, 0x1861, 0x2802, 0x3823, - 0xc9cc, 0xd9ed, 0xe98e, 0xf9af, 0x8948, 0x9969, 0xa90a, 0xb92b, - 0x5af5, 0x4ad4, 0x7ab7, 0x6a96, 0x1a71, 0x0a50, 0x3a33, 0x2a12, - 0xdbfd, 0xcbdc, 0xfbbf, 0xeb9e, 0x9b79, 0x8b58, 0xbb3b, 0xab1a, - 0x6ca6, 0x7c87, 0x4ce4, 0x5cc5, 0x2c22, 0x3c03, 0x0c60, 0x1c41, - 0xedae, 0xfd8f, 0xcdec, 0xddcd, 0xad2a, 0xbd0b, 0x8d68, 0x9d49, - 0x7e97, 0x6eb6, 0x5ed5, 0x4ef4, 0x3e13, 0x2e32, 0x1e51, 0x0e70, - 0xff9f, 0xefbe, 0xdfdd, 0xcffc, 0xbf1b, 0xaf3a, 0x9f59, 0x8f78, - 0x9188, 0x81a9, 0xb1ca, 0xa1eb, 0xd10c, 0xc12d, 0xf14e, 0xe16f, - 0x1080, 0x00a1, 0x30c2, 0x20e3, 0x5004, 0x4025, 0x7046, 0x6067, - 0x83b9, 0x9398, 0xa3fb, 0xb3da, 0xc33d, 0xd31c, 0xe37f, 0xf35e, - 0x02b1, 0x1290, 0x22f3, 0x32d2, 0x4235, 0x5214, 0x6277, 0x7256, - 0xb5ea, 0xa5cb, 0x95a8, 0x8589, 0xf56e, 0xe54f, 0xd52c, 0xc50d, - 0x34e2, 0x24c3, 0x14a0, 0x0481, 0x7466, 0x6447, 0x5424, 0x4405, - 0xa7db, 0xb7fa, 0x8799, 0x97b8, 0xe75f, 0xf77e, 0xc71d, 0xd73c, - 0x26d3, 0x36f2, 0x0691, 0x16b0, 0x6657, 0x7676, 0x4615, 0x5634, - 0xd94c, 0xc96d, 0xf90e, 0xe92f, 0x99c8, 0x89e9, 0xb98a, 0xa9ab, - 0x5844, 0x4865, 0x7806, 0x6827, 0x18c0, 0x08e1, 0x3882, 0x28a3, - 0xcb7d, 0xdb5c, 0xeb3f, 0xfb1e, 0x8bf9, 0x9bd8, 0xabbb, 0xbb9a, - 0x4a75, 0x5a54, 0x6a37, 0x7a16, 0x0af1, 0x1ad0, 0x2ab3, 0x3a92, - 0xfd2e, 0xed0f, 0xdd6c, 0xcd4d, 0xbdaa, 0xad8b, 0x9de8, 0x8dc9, - 0x7c26, 0x6c07, 0x5c64, 0x4c45, 0x3ca2, 0x2c83, 0x1ce0, 0x0cc1, - 0xef1f, 0xff3e, 0xcf5d, 0xdf7c, 0xaf9b, 0xbfba, 0x8fd9, 0x9ff8, - 0x6e17, 0x7e36, 0x4e55, 0x5e74, 0x2e93, 0x3eb2, 0x0ed1, 0x1ef0, + 0x0000, 0x1021, 0x2042, 0x3063, 0x4084, 0x50a5, 0x60c6, 0x70e7, + 0x8108, 0x9129, 0xa14a, 0xb16b, 0xc18c, 0xd1ad, 0xe1ce, 0xf1ef, + 0x1231, 0x0210, 0x3273, 0x2252, 0x52b5, 0x4294, 0x72f7, 0x62d6, + 0x9339, 0x8318, 0xb37b, 0xa35a, 0xd3bd, 0xc39c, 0xf3ff, 0xe3de, + 0x2462, 0x3443, 0x0420, 0x1401, 0x64e6, 0x74c7, 0x44a4, 0x5485, + 0xa56a, 0xb54b, 0x8528, 0x9509, 0xe5ee, 0xf5cf, 0xc5ac, 0xd58d, + 0x3653, 0x2672, 0x1611, 0x0630, 0x76d7, 0x66f6, 0x5695, 0x46b4, + 0xb75b, 0xa77a, 0x9719, 0x8738, 0xf7df, 0xe7fe, 0xd79d, 0xc7bc, + 0x48c4, 0x58e5, 0x6886, 0x78a7, 0x0840, 0x1861, 0x2802, 0x3823, + 0xc9cc, 0xd9ed, 0xe98e, 0xf9af, 0x8948, 0x9969, 0xa90a, 0xb92b, + 0x5af5, 0x4ad4, 0x7ab7, 0x6a96, 0x1a71, 0x0a50, 0x3a33, 0x2a12, + 0xdbfd, 0xcbdc, 0xfbbf, 0xeb9e, 0x9b79, 0x8b58, 0xbb3b, 0xab1a, + 0x6ca6, 0x7c87, 0x4ce4, 0x5cc5, 0x2c22, 0x3c03, 0x0c60, 0x1c41, + 0xedae, 0xfd8f, 0xcdec, 0xddcd, 0xad2a, 0xbd0b, 0x8d68, 0x9d49, + 0x7e97, 0x6eb6, 0x5ed5, 0x4ef4, 0x3e13, 0x2e32, 0x1e51, 0x0e70, + 0xff9f, 0xefbe, 0xdfdd, 0xcffc, 0xbf1b, 0xaf3a, 0x9f59, 0x8f78, + 0x9188, 0x81a9, 0xb1ca, 0xa1eb, 0xd10c, 0xc12d, 0xf14e, 0xe16f, + 0x1080, 0x00a1, 0x30c2, 0x20e3, 0x5004, 0x4025, 0x7046, 0x6067, + 0x83b9, 0x9398, 0xa3fb, 0xb3da, 0xc33d, 0xd31c, 0xe37f, 0xf35e, + 0x02b1, 0x1290, 0x22f3, 0x32d2, 0x4235, 0x5214, 0x6277, 0x7256, + 0xb5ea, 0xa5cb, 0x95a8, 0x8589, 0xf56e, 0xe54f, 0xd52c, 0xc50d, + 0x34e2, 0x24c3, 0x14a0, 0x0481, 0x7466, 0x6447, 0x5424, 0x4405, + 0xa7db, 0xb7fa, 0x8799, 0x97b8, 0xe75f, 0xf77e, 0xc71d, 0xd73c, + 0x26d3, 0x36f2, 0x0691, 0x16b0, 0x6657, 0x7676, 0x4615, 0x5634, + 0xd94c, 0xc96d, 0xf90e, 0xe92f, 0x99c8, 0x89e9, 0xb98a, 0xa9ab, + 0x5844, 0x4865, 0x7806, 0x6827, 0x18c0, 0x08e1, 0x3882, 0x28a3, + 0xcb7d, 0xdb5c, 0xeb3f, 0xfb1e, 0x8bf9, 0x9bd8, 0xabbb, 0xbb9a, + 0x4a75, 0x5a54, 0x6a37, 0x7a16, 0x0af1, 0x1ad0, 0x2ab3, 0x3a92, + 0xfd2e, 0xed0f, 0xdd6c, 0xcd4d, 0xbdaa, 0xad8b, 0x9de8, 0x8dc9, + 0x7c26, 0x6c07, 0x5c64, 0x4c45, 0x3ca2, 0x2c83, 0x1ce0, 0x0cc1, + 0xef1f, 0xff3e, 0xcf5d, 0xdf7c, 0xaf9b, 0xbfba, 0x8fd9, 0x9ff8, + 0x6e17, 0x7e36, 0x4e55, 0x5e74, 0x2e93, 0x3eb2, 0x0ed1, 0x1ef0, }; static char doc_a2b_uu[] = "(ascii) -> bin. Decode a line of uuencoded data"; @@ -204,7 +204,7 @@ static char doc_a2b_uu[] = "(ascii) -> bin. Decode a line of uuencoded data"; static PyObject * binascii_a2b_uu(self, args) PyObject *self; - PyObject *args; + PyObject *args; { unsigned char *ascii_data, *bin_data; int leftbits = 0; @@ -235,8 +235,9 @@ binascii_a2b_uu(self, args) this_ch = 0; } else { /* Check the character for legality - ** The 64 in stead of the expected 63 is because there are a few - ** uuencodes out there that use '@' as zero in stead of space. + ** The 64 in stead of the expected 63 is because + ** there are a few uuencodes out there that use + ** '@' as zero instead of space. */ if ( this_ch < ' ' || this_ch > (' ' + 64)) { PyErr_SetString(Error, "Illegal char"); @@ -278,7 +279,7 @@ static char doc_b2a_uu[] = "(bin) -> ascii. Uuencode line of data"; static PyObject * binascii_b2a_uu(self, args) PyObject *self; - PyObject *args; + PyObject *args; { unsigned char *ascii_data, *bin_data; int leftbits = 0; @@ -320,7 +321,8 @@ binascii_b2a_uu(self, args) } *ascii_data++ = '\n'; /* Append a courtesy newline */ - _PyString_Resize(&rv, (ascii_data - (unsigned char *)PyString_AsString(rv))); + _PyString_Resize(&rv, (ascii_data - + (unsigned char *)PyString_AsString(rv))); return rv; } @@ -329,7 +331,7 @@ static char doc_a2b_base64[] = "(ascii) -> bin. Decode a line of base64 data"; static PyObject * binascii_a2b_base64(self, args) PyObject *self; - PyObject *args; + PyObject *args; { unsigned char *ascii_data, *bin_data; int leftbits = 0; @@ -390,7 +392,7 @@ static char doc_b2a_base64[] = "(bin) -> ascii. Base64-code line of data"; static PyObject * binascii_b2a_base64(self, args) PyObject *self; - PyObject *args; + PyObject *args; { unsigned char *ascii_data, *bin_data; int leftbits = 0; @@ -433,7 +435,8 @@ binascii_b2a_base64(self, args) } *ascii_data++ = '\n'; /* Append a courtesy newline */ - _PyString_Resize(&rv, (ascii_data - (unsigned char *)PyString_AsString(rv))); + _PyString_Resize(&rv, (ascii_data - + (unsigned char *)PyString_AsString(rv))); return rv; } @@ -442,7 +445,7 @@ static char doc_a2b_hqx[] = "ascii -> bin, done. Decode .hqx coding"; static PyObject * binascii_a2b_hqx(self, args) PyObject *self; - PyObject *args; + PyObject *args; { unsigned char *ascii_data, *bin_data; int leftbits = 0; @@ -499,6 +502,7 @@ binascii_a2b_hqx(self, args) Py_DECREF(rv); return rrv; } + return NULL; } @@ -507,7 +511,7 @@ static char doc_rlecode_hqx[] = "Binhex RLE-code binary data"; static PyObject * binascii_rlecode_hqx(self, args) PyObject *self; - PyObject *args; +PyObject *args; { unsigned char *in_data, *out_data; PyObject *rv; @@ -532,7 +536,7 @@ binascii_rlecode_hqx(self, args) /* Check how many following are the same */ for(inend=in+1; inend<len && in_data[inend] == ch && - inend < in+255; + inend < in+255; inend++) ; if ( inend - in > 3 ) { /* More than 3 in a row. Output RLE. */ @@ -546,7 +550,8 @@ binascii_rlecode_hqx(self, args) } } } - _PyString_Resize(&rv, (out_data - (unsigned char *)PyString_AsString(rv))); + _PyString_Resize(&rv, (out_data - + (unsigned char *)PyString_AsString(rv))); return rv; } @@ -555,7 +560,7 @@ static char doc_b2a_hqx[] = "Encode .hqx data"; static PyObject * binascii_b2a_hqx(self, args) PyObject *self; - PyObject *args; + PyObject *args; { unsigned char *ascii_data, *bin_data; int leftbits = 0; @@ -587,7 +592,8 @@ binascii_b2a_hqx(self, args) leftchar <<= (6-leftbits); *ascii_data++ = table_b2a_hqx[leftchar & 0x3f]; } - _PyString_Resize(&rv, (ascii_data - (unsigned char *)PyString_AsString(rv))); + _PyString_Resize(&rv, (ascii_data - + (unsigned char *)PyString_AsString(rv))); return rv; } @@ -596,7 +602,7 @@ static char doc_rledecode_hqx[] = "Decode hexbin RLE-coded string"; static PyObject * binascii_rledecode_hqx(self, args) PyObject *self; - PyObject *args; + PyObject *args; { unsigned char *in_data, *out_data; unsigned char in_byte, in_repeat; @@ -622,32 +628,33 @@ binascii_rledecode_hqx(self, args) ** end-of-buffer for input and output strings. */ #define INBYTE(b) \ - do { \ - if ( --in_len < 0 ) { \ - PyErr_SetString(Incomplete, ""); \ - Py_DECREF(rv); \ - return NULL; \ - } \ - b = *in_data++; \ - } while(0) + do { \ + if ( --in_len < 0 ) { \ + PyErr_SetString(Incomplete, ""); \ + Py_DECREF(rv); \ + return NULL; \ + } \ + b = *in_data++; \ + } while(0) #define OUTBYTE(b) \ - do { \ - if ( --out_len_left < 0 ) { \ - _PyString_Resize(&rv, 2*out_len); \ - if ( rv == NULL ) return NULL; \ - out_data = (unsigned char *)PyString_AsString(rv) + out_len; \ - out_len_left = out_len-1; \ - out_len = out_len * 2; \ - } \ - *out_data++ = b; \ - } while(0) + do { \ + if ( --out_len_left < 0 ) { \ + _PyString_Resize(&rv, 2*out_len); \ + if ( rv == NULL ) return NULL; \ + out_data = (unsigned char *)PyString_AsString(rv) \ + + out_len; \ + out_len_left = out_len-1; \ + out_len = out_len * 2; \ + } \ + *out_data++ = b; \ + } while(0) - /* - ** Handle first byte separately (since we have to get angry - ** in case of an orphaned RLE code). - */ - INBYTE(in_byte); + /* + ** Handle first byte separately (since we have to get angry + ** in case of an orphaned RLE code). + */ + INBYTE(in_byte); if (in_byte == RUNCHAR) { INBYTE(in_repeat); @@ -683,16 +690,18 @@ binascii_rledecode_hqx(self, args) OUTBYTE(in_byte); } } - _PyString_Resize(&rv, (out_data - (unsigned char *)PyString_AsString(rv))); + _PyString_Resize(&rv, (out_data - + (unsigned char *)PyString_AsString(rv))); return rv; } -static char doc_crc_hqx[] = "(data, oldcrc) -> newcrc. Compute hqx CRC incrementally"; +static char doc_crc_hqx[] = +"(data, oldcrc) -> newcrc. Compute hqx CRC incrementally"; static PyObject * binascii_crc_hqx(self, args) PyObject *self; - PyObject *args; +PyObject *args; { unsigned char *bin_data; unsigned int crc; @@ -714,15 +723,15 @@ static struct PyMethodDef binascii_module_methods[] = { {"a2b_uu", binascii_a2b_uu, 1, doc_a2b_uu}, {"b2a_uu", binascii_b2a_uu, 1, doc_b2a_uu}, {"a2b_base64", binascii_a2b_base64, 1, - doc_a2b_base64}, + doc_a2b_base64}, {"b2a_base64", binascii_b2a_base64, 1, - doc_b2a_base64}, + doc_b2a_base64}, {"a2b_hqx", binascii_a2b_hqx, 1, doc_a2b_hqx}, {"b2a_hqx", binascii_b2a_hqx, 1, doc_b2a_hqx}, {"rlecode_hqx", binascii_rlecode_hqx, 1, - doc_rlecode_hqx}, + doc_rlecode_hqx}, {"rledecode_hqx", binascii_rledecode_hqx, 1, - doc_rledecode_hqx}, + doc_rledecode_hqx}, {"crc_hqx", binascii_crc_hqx, 1, doc_crc_hqx}, {NULL, NULL} /* sentinel */ }; |