diff options
Diffstat (limited to 'src/lzo1b_d.ch')
| -rw-r--r-- | src/lzo1b_d.ch | 43 |
1 files changed, 16 insertions, 27 deletions
diff --git a/src/lzo1b_d.ch b/src/lzo1b_d.ch index e38fad5..cf25357 100644 --- a/src/lzo1b_d.ch +++ b/src/lzo1b_d.ch @@ -2,19 +2,7 @@ This file is part of the LZO real-time data compression library. - Copyright (C) 2008 Markus Franz Xaver Johannes Oberhumer - Copyright (C) 2007 Markus Franz Xaver Johannes Oberhumer - Copyright (C) 2006 Markus Franz Xaver Johannes Oberhumer - Copyright (C) 2005 Markus Franz Xaver Johannes Oberhumer - Copyright (C) 2004 Markus Franz Xaver Johannes Oberhumer - Copyright (C) 2003 Markus Franz Xaver Johannes Oberhumer - Copyright (C) 2002 Markus Franz Xaver Johannes Oberhumer - Copyright (C) 2001 Markus Franz Xaver Johannes Oberhumer - Copyright (C) 2000 Markus Franz Xaver Johannes Oberhumer - Copyright (C) 1999 Markus Franz Xaver Johannes Oberhumer - Copyright (C) 1998 Markus Franz Xaver Johannes Oberhumer - Copyright (C) 1997 Markus Franz Xaver Johannes Oberhumer - Copyright (C) 1996 Markus Franz Xaver Johannes Oberhumer + Copyright (C) 1996-2014 Markus Franz Xaver Johannes Oberhumer All Rights Reserved. The LZO library is free software; you can redistribute it and/or @@ -50,10 +38,10 @@ DO_DECOMPRESS ( const lzo_bytep in , lzo_uint in_len, lzo_bytep out, lzo_uintp out_len, lzo_voidp wrkmem ) { - register lzo_bytep op; - register const lzo_bytep ip; - register lzo_uint t; - register const lzo_bytep m_pos; + lzo_bytep op; + const lzo_bytep ip; + lzo_uint t; + const lzo_bytep m_pos; const lzo_bytep const ip_end = in + in_len; #if defined(HAVE_ANY_OP) @@ -65,7 +53,7 @@ DO_DECOMPRESS ( const lzo_bytep in , lzo_uint in_len, op = out; ip = in; - while (TEST_IP && TEST_OP) + while (TEST_IP_AND_TEST_OP) { t = *ip++; /* get marker */ @@ -93,10 +81,10 @@ DO_DECOMPRESS ( const lzo_bytep in , lzo_uint in_len, } NEED_IP(t); NEED_OP(t); -#if 1 && defined(LZO_UNALIGNED_OK_4) +#if 1 && (LZO_OPT_UNALIGNED32) do { - * (lzo_uint32p) (op+0) = * (const lzo_uint32p) (ip+0); - * (lzo_uint32p) (op+4) = * (const lzo_uint32p) (ip+4); + UA_COPY4(op+0, ip+0); + UA_COPY4(op+4, ip+4); op += 8; ip += 8; t -= 8; } while (t > 0); @@ -110,11 +98,11 @@ DO_DECOMPRESS ( const lzo_bytep in , lzo_uint in_len, NEED_IP(t); NEED_OP(t); /* copy literal run */ -#if 1 && defined(LZO_UNALIGNED_OK_4) +#if 1 && (LZO_OPT_UNALIGNED32) if (t >= 4) { do { - * (lzo_uint32p) op = * (const lzo_uint32p) ip; + UA_COPY4(op, ip); op += 4; ip += 4; t -= 4; } while (t >= 4); if (t > 0) do *op++ = *ip++; while (--t > 0); @@ -133,7 +121,7 @@ literal2: #endif /* after a literal a match must follow */ - while (TEST_IP && TEST_OP) + while (TEST_IP_AND_TEST_OP) { t = *ip++; /* get R1 marker */ if (t >= R0MIN) @@ -184,6 +172,7 @@ match: { t += 255; ip++; + TEST_OV(t); NEED_IP(1); } t += (M4_MIN_LEN - M3_MIN_LEN) + *ip++; @@ -202,13 +191,13 @@ match: /* copy match */ assert(m_pos >= out); assert(m_pos < op); TEST_LB(m_pos); NEED_OP(t + M3_MIN_LEN - 1); -#if defined(LZO_UNALIGNED_OK_4) +#if (LZO_OPT_UNALIGNED32) if (t >= 2 * 4 - (M3_MIN_LEN - 1) && (op - m_pos) >= 4) { - * (lzo_uint32p) op = * (const lzo_uint32p) m_pos; + UA_COPY4(op, m_pos); op += 4; m_pos += 4; t -= 4 - (M3_MIN_LEN - 1); do { - * (lzo_uint32p) op = * (const lzo_uint32p) m_pos; + UA_COPY4(op, m_pos); op += 4; m_pos += 4; t -= 4; } while (t >= 4); if (t > 0) do *op++ = *m_pos++; while (--t > 0); |