diff options
| author | Karl Williamson <public@khwilliamson.com> | 2013-07-04 22:01:05 -0600 |
|---|---|---|
| committer | Karl Williamson <public@khwilliamson.com> | 2013-07-04 22:44:52 -0600 |
| commit | de353015643cf10b437d714d3483c1209e079916 (patch) | |
| tree | bf756d015c7d5c70451fc1f071c0c79ef3977565 /inline_invlist.c | |
| parent | ac7a6f5849b5fd57b2e837f4ddbc18c992610e9c (diff) | |
| download | perl-de353015643cf10b437d714d3483c1209e079916.tar.gz | |
Revert "regcomp.c: Add a constant 0 element before inversion lists"
This reverts commit 533c4e2f08b42d977e5004e823d4849f7473d2d0.
This continues the backing out of this topic branch. A bisect shows
that the first commit exhibiting an error is the first one in the
branch.
Diffstat (limited to 'inline_invlist.c')
| -rw-r--r-- | inline_invlist.c | 21 |
1 files changed, 10 insertions, 11 deletions
diff --git a/inline_invlist.c b/inline_invlist.c index b194c0d264..b56ce60002 100644 --- a/inline_invlist.c +++ b/inline_invlist.c @@ -20,21 +20,20 @@ * insert that at this location. Then, if an auxiliary program doesn't change * correspondingly, it will be discovered immediately */ #define INVLIST_VERSION_ID_OFFSET 3 -#define INVLIST_VERSION_ID 1039476070 - -#define INVLIST_ZERO_OFFSET 4 /* 0 or 1 */ -/* The UV at position ZERO contains either 0 or 1. If 0, the inversion list - * contains the code point U+00000, and begins at element [0] in the array, - * which always contains 0. If 1, the inversion list doesn't contain U+0000, - * and it begins at element [1]. Inverting an inversion list consists of - * adding or removing the 0 at the beginning of it. By reserving a space for - * that 0, inversion can be made very fast: we just flip this UV */ +#define INVLIST_VERSION_ID 290655244 /* For safety, when adding new elements, remember to #undef them at the end of * the inversion list code section */ -#define HEADER_LENGTH (INVLIST_ZERO_OFFSET + 2) /* includes 1 for the constant - 0 element */ +#define INVLIST_ZERO_OFFSET 4 /* 0 or 1; must be last element in header */ +/* The UV at position ZERO contains either 0 or 1. If 0, the inversion list + * contains the code point U+00000, and begins here. If 1, the inversion list + * doesn't contain U+0000, and it begins at the next UV in the array. + * Inverting an inversion list consists of adding or removing the 0 at the + * beginning of it. By reserving a space for that 0, inversion can be made + * very fast */ + +#define HEADER_LENGTH (INVLIST_ZERO_OFFSET + 1) /* An element is in an inversion list iff its index is even numbered: 0, 2, 4, * etc */ |