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/cvs/liblzf/lzf_d.c
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Comparing liblzf/lzf_d.c (file contents):
Revision 1.6 by root, Fri Jul 7 15:34:11 2006 UTC vs.
Revision 1.7 by root, Thu Jun 21 22:11:34 2007 UTC

… …
43#else 43#else
44# include <errno.h> 44# include <errno.h>
45# define SET_ERRNO(n) errno = (n) 45# define SET_ERRNO(n) errno = (n)
46#endif 46#endif
47 47
48#if (__i386 || __amd64) && __GNUC__ >= 3
49# define lzf_movsb(dst, src, len) \
50 asm ("rep movsb" \
51 : "=D" (dst), "=S" (src), "=c" (len) \
52 : "0" (dst), "1" (src), "2" (len));
53#endif
54
48unsigned int 55unsigned int
49lzf_decompress (const void *const in_data, unsigned int in_len, 56lzf_decompress (const void *const in_data, unsigned int in_len,
50 void *out_data, unsigned int out_len) 57 void *out_data, unsigned int out_len)
51{ 58{
52 u8 const *ip = (const u8 *)in_data; 59 u8 const *ip = (const u8 *)in_data;
… …
74 SET_ERRNO (EINVAL); 81 SET_ERRNO (EINVAL);
75 return 0; 82 return 0;
76 } 83 }
77#endif 84#endif
78 85
79#if USE_MEMCPY 86#ifdef lzf_movsb
80 memcpy (op, ip, ctrl); 87 lzf_movsb (op, ip, ctrl);
81 op += ctrl;
82 ip += ctrl;
83#else 88#else
84 do 89 do
85 *op++ = *ip++; 90 *op++ = *ip++;
86 while (--ctrl); 91 while (--ctrl);
87#endif 92#endif
… …
123 { 128 {
124 SET_ERRNO (EINVAL); 129 SET_ERRNO (EINVAL);
125 return 0; 130 return 0;
126 } 131 }
127 132
133#ifdef lzf_movsb
134 len += 2;
135 lzf_movsb (op, ref, len);
136#else
128 *op++ = *ref++; 137 *op++ = *ref++;
129 *op++ = *ref++; 138 *op++ = *ref++;
130 139
131 do 140 do
132 *op++ = *ref++; 141 *op++ = *ref++;
133 while (--len); 142 while (--len);
143#endif
134 } 144 }
135 } 145 }
136 while (ip < in_end); 146 while (ip < in_end);
137 147
138 return op - (u8 *)out_data; 148 return op - (u8 *)out_data;

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