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111 | u8 *op = (u8 *)out_data; |
111 | u8 *op = (u8 *)out_data; |
112 | const u8 *in_end = ip + in_len; |
112 | const u8 *in_end = ip + in_len; |
113 | u8 *out_end = op + out_len; |
113 | u8 *out_end = op + out_len; |
114 | const u8 *ref; |
114 | const u8 *ref; |
115 | |
115 | |
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116 | /* off requires a type wide enough to hold a general pointer difference. |
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117 | * ISO C doesn't have that (size_t might not be enough and ptrdiff_t only |
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118 | * works for differences within a single object). We also assume that no |
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119 | * no bit pattern traps. Since the only platform that is both non-POSIX |
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120 | * and fails to support both assumptions is windows 64 bit, we make a |
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121 | * special workaround for it. |
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122 | */ |
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123 | #if defined (WIN32) && defined (_M_X64) |
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124 | unsigned _int64 off; /* workaround for missing POSIX compliance */ |
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125 | #else |
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126 | unsigned long off; |
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127 | #endif |
116 | unsigned int hval; |
128 | unsigned int hval; |
117 | #if WIN32 |
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118 | unsigned _int64 off; /* workaround for microsoft bug (they claim to support POSIX) */ |
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119 | #else |
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120 | unsigned long off; |
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121 | #endif |
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122 | int lit; |
129 | int lit; |
123 | |
130 | |
124 | if (!in_len || !out_len) |
131 | if (!in_len || !out_len) |
125 | return 0; |
132 | return 0; |
126 | |
133 | |