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Sync our regex code with upstream changes since last time we did this, which

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was Tcl 8.4.8.  The main changes are to remove the never-fully-implemented
code for multi-character collating elements, and to const-ify some stuff a
bit more fully.  In combination with the recent security patch, this commit
brings us into line with Tcl 8.5.0.

Note that I didn't make any effort to duplicate a lot of cosmetic changes
that they made to bring their copy into line with their own style
guidelines, such as adding braces around single-line IF bodies.  Most of
those we either had done already (such as ANSI-fication of function headers)
or there is no point because pgindent would undo the change anyway.
This commit is contained in:
Tom Lane
2008-02-14 17:33:37 +00:00
parent 423abf4d6a
commit df1e965e12
9 changed files with 165 additions and 546 deletions
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18
src/include/regex/regguts.h
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@ -27,7 +27,7 @@
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $PostgreSQL: pgsql/src/include/regex/regguts.h,v 1.6 2008/01/03 20:47:55 tgl Exp $
* $PostgreSQL: pgsql/src/include/regex/regguts.h,v 1.7 2008/02/14 17:33:37 tgl Exp $
*/
@ -181,7 +181,7 @@ union tree
#define tcolor colors.ccolor
#define tptr ptrs.pptr
/* internal per-color structure for the color machinery */
/* internal per-color descriptor structure for the color machinery */
struct colordesc
{
uchr nchrs; /* number of chars of this color */
@ -228,11 +228,11 @@ struct colormap
#endif
/*
* Interface definitions for locale-interface functions in locale.c.
* Multi-character collating elements (MCCEs) cause most of the trouble.
*/
/* Representation of a set of characters. */
struct cvec
{
int nchrs; /* number of chrs */
@ -241,17 +241,9 @@ struct cvec
int nranges; /* number of ranges (chr pairs) */
int rangespace; /* number of chrs possible */
chr *ranges; /* pointer to vector of chr pairs */
int nmcces; /* number of MCCEs */
int mccespace; /* number of MCCEs possible */
int nmccechrs; /* number of chrs used for MCCEs */
chr *mcces[1]; /* pointers to 0-terminated MCCEs */
/* and both batches of chrs are on the end */
/* both batches of chrs are on the end */
};
/* caution: this value cannot be changed easily */
#define MAXMCCE 2 /* length of longest MCCE */
/*
* definitions for NFA internal representation