upgrade PCRE to version 7.2 RC3

# I'll update to the final version early next week when its released

1 files changed, 9 insertions, 8 deletions

diff --git a/ext/pcre/pcrelib/pcreposix.c b/ext/pcre/pcrelib/pcreposix.c
index 3cee2aa33f..8582fba097 100644
--- a/ext/pcre/pcrelib/pcreposix.c
+++ b/ext/pcre/pcrelib/pcreposix.c
@@ -6,7 +6,7 @@
 and semantics are as close as possible to those of the Perl 5 language.
 
                        Written by Philip Hazel
-           Copyright (c) 1997-2006 University of Cambridge
+           Copyright (c) 1997-2007 University of Cambridge
 
 -----------------------------------------------------------------------------
 Redistribution and use in source and binary forms, with or without
@@ -80,7 +80,7 @@ static const int eint[] = {
   REG_BADPAT,  /* malformed number or name after (?( */
   REG_BADPAT,  /* conditional group contains more than two branches */
   REG_BADPAT,  /* assertion expected after (?( */
-  REG_BADPAT,  /* (?R or (?digits must be followed by ) */
+  REG_BADPAT,  /* (?R or (?[+-]digits must be followed by ) */
   REG_ECTYPE,  /* unknown POSIX class name */
   REG_BADPAT,  /* POSIX collating elements are not supported */
   REG_INVARG,  /* this version of PCRE is not compiled with PCRE_UTF8 support */
@@ -108,7 +108,8 @@ static const int eint[] = {
   REG_BADPAT,  /* DEFINE group contains more than one branch */
   REG_BADPAT,  /* repeating a DEFINE group is not allowed */
   REG_INVARG,  /* inconsistent NEWLINE options */
-  REG_BADPAT   /* \g is not followed followed by an (optionally braced) non-zero number */
+  REG_BADPAT,  /* \g is not followed followed by an (optionally braced) non-zero number */
+  REG_BADPAT   /* (?+ or (?- must be followed by a non-zero number */
 };
 
 /* Table of texts corresponding to POSIX error codes */
@@ -141,7 +142,7 @@ static const char *const pstring[] = {
 *          Translate error code to string        *
 *************************************************/
 
-PCRE_DATA_SCOPE size_t
+PCREPOSIX_EXP_DEFN size_t
 regerror(int errcode, const regex_t *preg, char *errbuf, size_t errbuf_size)
 {
 const char *message, *addmessage;
@@ -158,7 +159,7 @@ addlength = (preg != NULL && (int)preg->re_erroffset != -1)?
 if (errbuf_size > 0)
   {
   if (addlength > 0 && errbuf_size >= length + addlength)
-    snprintf(errbuf, errbuf_size, "%s%s%-6d", message, addmessage, (int)preg->re_erroffset);
+    sprintf(errbuf, "%s%s%-6d", message, addmessage, (int)preg->re_erroffset);
   else
     {
     strncpy(errbuf, message, errbuf_size - 1);
@@ -176,7 +177,7 @@ return length + addlength;
 *           Free store held by a regex           *
 *************************************************/
 
-PCRE_DATA_SCOPE void
+PCREPOSIX_EXP_DEFN void
 regfree(regex_t *preg)
 {
 (pcre_free)(preg->re_pcre);
@@ -199,7 +200,7 @@ Returns:      0 on success
               various non-zero codes on failure
 */
 
-PCRE_DATA_SCOPE int
+PCREPOSIX_EXP_DEFN int
 regcomp(regex_t *preg, const char *pattern, int cflags)
 {
 const char *errorptr;
@@ -241,7 +242,7 @@ If REG_NOSUB was specified at compile time, the PCRE_NO_AUTO_CAPTURE flag will
 be set. When this is the case, the nmatch and pmatch arguments are ignored, and
 the only result is yes/no/error. */
 
-PCRE_DATA_SCOPE int
+PCREPOSIX_EXP_DEFN int
 regexec(const regex_t *preg, const char *string, size_t nmatch,
   regmatch_t pmatch[], int eflags)
 {