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Bug fix for [ 1331062 ] utf 7 codec broken. 

Backport candidate.
This commit is contained in:
Marc-André Lemburg 2005-10-19 22:33:31 +00:00
parent 94832209d1
commit e115ec832c
1 changed files with 16 additions and 8 deletions
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24
Objects/unicodeobject.c
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@ -843,15 +843,23 @@ char utf7_special[128] = {
};
/* Note: The comparison (c) <= 0 is a trick to work-around gcc
warnings about the comparison always being false; since
utf7_special[0] is 1, we can safely make that one comparison
true */
#define SPECIAL(c, encodeO, encodeWS) \
(((c)>127 || utf7_special[(c)] == 1) || \
((c) > 127 || (c) <= 0 || utf7_special[(c)] == 1 || \
(encodeWS && (utf7_special[(c)] == 2)) || \
(encodeO && (utf7_special[(c)] == 3)))
#define B64(n) ("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"[(n) & 0x3f])
#define B64CHAR(c) (isalnum(c) || (c) == '+' || (c) == '/')
#define UB64(c) ((c) == '+' ? 62 : (c) == '/' ? 63 : (c) >= 'a' ? \
(c) - 71 : (c) >= 'A' ? (c) - 65 : (c) + 4)
#define B64(n) \
("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"[(n) & 0x3f])
#define B64CHAR(c) \
(isalnum(c) || (c) == '+' || (c) == '/')
#define UB64(c) \
((c) == '+' ? 62 : (c) == '/' ? 63 : (c) >= 'a' ? \
(c) - 71 : (c) >= 'A' ? (c) - 65 : (c) + 4 )
#define ENCODE(out, ch, bits) \
while (bits >= 6) { \
@ -864,8 +872,8 @@ char utf7_special[128] = {
Py_UNICODE outCh = (Py_UNICODE) ((ch >> (bits-16)) & 0xffff); \
bits -= 16; \
if (surrogate) { \
/* We have already generated an error for the high surrogate
so let's not bother seeing if the low surrogate is correct or not */\
/* We have already generated an error for the high surrogate \
so let's not bother seeing if the low surrogate is correct or not */ \
surrogate = 0; \
} else if (0xDC00 <= outCh && outCh <= 0xDFFF) { \
/* This is a surrogate pair. Unfortunately we can't represent \
@ -876,7 +884,7 @@ char utf7_special[128] = {
} else { \
*out++ = outCh; \
} \
} \
}
PyObject *PyUnicode_DecodeUTF7(const char *s,
int size,