glib/update-pcre/table-reduction.patch

--- pcre_compile.c	2006-10-10 12:00:00.000000000 +0200
+++ pcre_compile.c	2006-10-10 12:00:00.000000000 +0200
@@ -129,10 +129,21 @@
 terminated by a zero length entry. The first three must be alpha, lower, upper,
 as this is assumed for handling case independence. */
 
-static const char *const posix_names[] = {
-  "alpha", "lower", "upper",
-  "alnum", "ascii", "blank", "cntrl", "digit", "graph",
-  "print", "punct", "space", "word",  "xdigit" };
+static const char posix_names[] =
+  "alpha\0" 
+  "lower\0" 
+  "upper\0"
+  "alnum\0" 
+  "ascii\0" 
+  "blank\0" 
+  "cntrl\0" 
+  "digit\0" 
+  "graph\0"
+  "print\0" 
+  "punct\0" 
+  "space\0" 
+  "word\0"  
+  "xdigit";
 
 static const uschar posix_name_lengths[] = {
   5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 6, 0 };
@@ -173,76 +184,138 @@
 they are documented. Always add a new error instead. Messages marked DEAD below
 are no longer used. */
 
-static const char *error_texts[] = {
-  "no error",
-  "\\ at end of pattern",
-  "\\c at end of pattern",
-  "unrecognized character follows \\",
-  "numbers out of order in {} quantifier",
+#define DEAD(s) "\0"
+
+static const char error_texts[] =
+  "no error\0"
+  "\\ at end of pattern\0"
+  "\\c at end of pattern\0"
+  "unrecognized character follows \\\0"
+  "numbers out of order in {} quantifier\0"
   /* 5 */
-  "number too big in {} quantifier",
-  "missing terminating ] for character class",
-  "invalid escape sequence in character class",
-  "range out of order in character class",
-  "nothing to repeat",
+  "number too big in {} quantifier\0"
+  "missing terminating ] for character class\0"
+  "invalid escape sequence in character class\0"
+  "range out of order in character class\0"
+  "nothing to repeat\0"
   /* 10 */
-  "operand of unlimited repeat could match the empty string",  /** DEAD **/
-  "internal error: unexpected repeat",
-  "unrecognized character after (?",
-  "POSIX named classes are supported only within a class",
-  "missing )",
+  DEAD("operand of unlimited repeat could match the empty string")
+  "internal error: unexpected repeat\0"
+  "unrecognized character after (?\0"
+  "POSIX named classes are supported only within a class\0"
+  "missing )\0"
   /* 15 */
-  "reference to non-existent subpattern",
-  "erroffset passed as NULL",
-  "unknown option bit(s) set",
-  "missing ) after comment",
-  "parentheses nested too deeply",  /** DEAD **/
+  "reference to non-existent subpattern\0"
+  "erroffset passed as NULL\0"
+  "unknown option bit(s) set\0"
+  "missing ) after comment\0"
+  DEAD("parentheses nested too deeply")
   /* 20 */
-  "regular expression too large",
-  "failed to get memory",
-  "unmatched parentheses",
-  "internal error: code overflow",
-  "unrecognized character after (?<",
+  "regular expression too large\0"
+  "failed to get memory\0"
+  "unmatched parentheses\0"
+  "internal error: code overflow\0"
+  "unrecognized character after (?<\0"
   /* 25 */
-  "lookbehind assertion is not fixed length",
-  "malformed number or name after (?(",
-  "conditional group contains more than two branches",
-  "assertion expected after (?(",
-  "(?R or (?digits must be followed by )",
+  "lookbehind assertion is not fixed length\0"
+  "malformed number or name after (?(\0"
+  "conditional group contains more than two branches\0"
+  "assertion expected after (?(\0"
+  "(?R or (?digits must be followed by )\0"
   /* 30 */
-  "unknown POSIX class name",
-  "POSIX collating elements are not supported",
-  "this version of PCRE is not compiled with PCRE_UTF8 support",
-  "spare error",  /** DEAD **/
-  "character value in \\x{...} sequence is too large",
+  "unknown POSIX class name\0"
+  "POSIX collating elements are not supported\0"
+  "this version of PCRE is not compiled with PCRE_UTF8 support\0"
+  DEAD("spare error")
+  "character value in \\x{...} sequence is too large\0"
   /* 35 */
-  "invalid condition (?(0)",
-  "\\C not allowed in lookbehind assertion",
-  "PCRE does not support \\L, \\l, \\N, \\U, or \\u",
-  "number after (?C is > 255",
-  "closing ) for (?C expected",
+  "invalid condition (?(0)\0"
+  "\\C not allowed in lookbehind assertion\0"
+  "PCRE does not support \\L, \\l, \\N, \\U, or \\u\0"
+  "number after (?C is > 255\0"
+  "closing ) for (?C expected\0"
   /* 40 */
-  "recursive call could loop indefinitely",
-  "unrecognized character after (?P",
-  "syntax error in subpattern name (missing terminator)",
-  "two named subpatterns have the same name",
-  "invalid UTF-8 string",
+  "recursive call could loop indefinitely\0"
+  "unrecognized character after (?P\0"
+  "syntax error in subpattern name (missing terminator)\0"
+  "two named subpatterns have the same name\0"
+  "invalid UTF-8 string\0"
   /* 45 */
-  "support for \\P, \\p, and \\X has not been compiled",
-  "malformed \\P or \\p sequence",
-  "unknown property name after \\P or \\p",
-  "subpattern name is too long (maximum " XSTRING(MAX_NAME_SIZE) " characters)",
-  "too many named subpatterns (maximum " XSTRING(MAX_NAME_COUNT) ")",
+  "support for \\P, \\p, and \\X has not been compiled\0"
+  "malformed \\P or \\p sequence\0"
+  "unknown property name after \\P or \\p\0"
+  "subpattern name is too long (maximum " XSTRING(MAX_NAME_SIZE) " characters)\0"
+  "too many named subpatterns (maximum " XSTRING(MAX_NAME_COUNT) ")\0"
   /* 50 */
-  "repeated subpattern is too long",
-  "octal value is greater than \\377 (not in UTF-8 mode)",
-  "internal error: overran compiling workspace",
-  "internal error: previously-checked referenced subpattern not found",
-  "DEFINE group contains more than one branch",
+  "repeated subpattern is too long\0"
+  "octal value is greater than \\377 (not in UTF-8 mode)\0"
+  "internal error: overran compiling workspace\0"
+  "internal error: previously-checked referenced subpattern not found\0"
+  "DEFINE group contains more than one branch\0"
   /* 55 */
-  "repeating a DEFINE group is not allowed",
-  "inconsistent NEWLINE options",
-  "\\g is not followed by an (optionally braced) non-zero number"
+  "repeating a DEFINE group is not allowed\0"
+  "inconsistent NEWLINE options\0"
+  "\\g is not followed by an (optionally braced) non-zero number";
+
+static const int error_texts_offsets[] = {
+  0,
+  9,
+  29,
+  50,
+  83,
+  121,
+  153,
+  195,
+  238,
+  276,
+  294,
+  295,
+  329,
+  361,
+  415,
+  425,
+  462,
+  487,
+  513,
+  537,
+  538,
+  567,
+  588,
+  610,
+  640,
+  673,
+  714,
+  749,
+  799,
+  828,
+  866,
+  891,
+  934,
+  994,
+  995,
+  1044,
+  1068,
+  1107,
+  1151,
+  1177,
+  1204,
+  1243,
+  1276,
+  1329,
+  1370,
+  1391,
+  1440,
+  1468,
+  1505,
+  1557,
+  1600,
+  1632,
+  1685,
+  1729,
+  1796,
+  1839,
+  1879,
+  1908
 };
 
 
@@ -1453,14 +1526,16 @@
 static int
 check_posix_name(const uschar *ptr, int len)
 {
-register int yield = 0;
-while (posix_name_lengths[yield] != 0)
-  {
-  if (len == posix_name_lengths[yield] &&
-    strncmp((const char *)ptr, posix_names[yield], len) == 0) return yield;
-  yield++;
-  }
-return -1;
+  int offset = 0;
+  int yield = 0;
+  while (posix_name_lengths[yield] != 0)
+    {
+      if (len == posix_name_lengths[yield] &&
+	  strcmp((const char *)ptr, posix_names + offset) == 0) return yield;
+      offset += posix_name_lengths[yield] + 1;
+      yield++;
+    }
+  return -1;
 }
 
 
@@ -5200,7 +5275,7 @@
 #ifdef SUPPORT_UTF8
   PCRE_UTF8_ERROR_RETURN:
 #endif
-  *errorptr = error_texts[errorcode];
+  *errorptr = error_texts + error_texts_offsets[errorcode];
   if (errorcodeptr != NULL) *errorcodeptr = errorcode;
   return NULL;
   }
@@ -5297,7 +5372,7 @@
 if (code - codestart > length)
   {
   (pcre_free)(re);
-  *errorptr = error_texts[ERR23];
+  *errorptr = error_texts + error_texts_offsets[ERR23];
   *erroroffset = ptr - (uschar *)pattern;
   if (errorcodeptr != NULL) *errorcodeptr = ERR23;
   return NULL;