diff options
Diffstat (limited to 'lz4.c')
| -rw-r--r-- | lz4.c | 38 |
1 files changed, 38 insertions, 0 deletions
@@ -402,8 +402,27 @@ inline int LZ4_compressCtx(void** ctx, length = ip - anchor;
token = op++;
if unlikely(op + length + (2 + 1 + LASTLITERALS) + (length>>8) >= oend) return 0; // Check output limit
+#ifdef _MSC_VER
+ if (length>=(int)RUN_MASK)
+ {
+ int len = length-RUN_MASK;
+ *token=(RUN_MASK<<ML_BITS);
+ if (len>254)
+ {
+ do { *op++ = 255; len -= 255; } while (len>254);
+ *op++ = (BYTE)len;
+ memcpy(op, anchor, length);
+ op += length;
+ goto _next_match;
+ }
+ else
+ *op++ = (BYTE)len;
+ }
+ else *token = (length<<ML_BITS);
+#else
if (length>=(int)RUN_MASK) { *token=(RUN_MASK<<ML_BITS); len = length-RUN_MASK; for(; len > 254 ; len-=255) *op++ = 255; *op++ = (BYTE)len; }
else *token = (length<<ML_BITS);
+#endif
// Copy Literals
LZ4_BLINDCOPY(anchor, op, length);
@@ -547,8 +566,27 @@ inline int LZ4_compress64kCtx(void** ctx, length = ip - anchor;
token = op++;
if unlikely(op + length + (2 + 1 + LASTLITERALS) + (length>>8) >= oend) return 0; // Check output limit
+#ifdef _MSC_VER
+ if (length>=(int)RUN_MASK)
+ {
+ int len = length-RUN_MASK;
+ *token=(RUN_MASK<<ML_BITS);
+ if (len>254)
+ {
+ do { *op++ = 255; len -= 255; } while (len>254);
+ *op++ = (BYTE)len;
+ memcpy(op, anchor, length);
+ op += length;
+ goto _next_match;
+ }
+ else
+ *op++ = (BYTE)len;
+ }
+ else *token = (length<<ML_BITS);
+#else
if (length>=(int)RUN_MASK) { *token=(RUN_MASK<<ML_BITS); len = length-RUN_MASK; for(; len > 254 ; len-=255) *op++ = 255; *op++ = (BYTE)len; }
else *token = (length<<ML_BITS);
+#endif
// Copy Literals
LZ4_BLINDCOPY(anchor, op, length);
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