MDEV-4425 REGEXP enhancements

1 files changed, 0 insertions, 116 deletions

diff --git a/regex/regerror.c b/regex/regerror.c
deleted file mode 100644
index 489f2e35abb..00000000000
--- a/regex/regerror.c
+++ /dev/null
@@ -1,116 +0,0 @@
-#include <my_global.h>
-#include <m_string.h>
-#include <m_ctype.h>
-
-#include "my_regex.h"
-#include "utils.h"
-#include "regerror.ih"
-
-/*
- = #define	REG_NOMATCH	 1
- = #define	REG_BADPAT	 2
- = #define	REG_ECOLLATE	 3
- = #define	REG_ECTYPE	 4
- = #define	REG_EESCAPE	 5
- = #define	REG_ESUBREG	 6
- = #define	REG_EBRACK	 7
- = #define	REG_EPAREN	 8
- = #define	REG_EBRACE	 9
- = #define	REG_BADBR	10
- = #define	REG_ERANGE	11
- = #define	REG_ESPACE	12
- = #define	REG_BADRPT	13
- = #define	REG_EMPTY	14
- = #define	REG_ASSERT	15
- = #define	REG_INVARG	16
- = #define	REG_ATOI	255	// convert name to number (!)
- = #define	REG_ITOA	0400	// convert number to name (!)
- */
-static struct rerr {
-	int code;
-	const char *name;
-        const char *explain;
-} rerrs[] = {
-	{REG_NOMATCH,	"REG_NOMATCH",	"regexec() failed to match"},
-	{REG_BADPAT,	"REG_BADPAT",	"invalid regular expression"},
-	{REG_ECOLLATE,	"REG_ECOLLATE",	"invalid collating element"},
-	{REG_ECTYPE,	"REG_ECTYPE",	"invalid character class"},
-	{REG_EESCAPE,	"REG_EESCAPE",	"trailing backslash (\\)"},
-	{REG_ESUBREG,	"REG_ESUBREG",	"invalid backreference number"},
-	{REG_EBRACK,	"REG_EBRACK",	"brackets ([ ]) not balanced"},
-	{REG_EPAREN,	"REG_EPAREN",	"parentheses not balanced"},
-	{REG_EBRACE,	"REG_EBRACE",	"braces not balanced"},
-	{REG_BADBR,	"REG_BADBR",	"invalid repetition count(s)"},
-	{REG_ERANGE,	"REG_ERANGE",	"invalid character range"},
-	{REG_ESPACE,	"REG_ESPACE",	"out of memory"},
-	{REG_BADRPT,	"REG_BADRPT",	"repetition-operator operand invalid"},
-	{REG_EMPTY,	"REG_EMPTY",	"empty (sub)expression"},
-	{REG_ASSERT,	"REG_ASSERT",	"\"can't happen\" -- you found a bug"},
-	{REG_INVARG,	"REG_INVARG",	"invalid argument to regex routine"},
-	{0,		"",		"*** unknown regexp error code ***"},
-};
-
-/*
- - regerror - the interface to error numbers
- = extern size_t regerror(int, const regex_t *, char *, size_t);
- */
-/* ARGSUSED */
-size_t
-my_regerror(int errcode, const my_regex_t *preg, char *errbuf, size_t errbuf_size)
-{
-	register struct rerr *r;
-	register size_t len;
-	register int target = errcode &~ REG_ITOA;
-	register char *s;
-	char convbuf[50];
-
-	if (errcode == REG_ATOI)
-		s = regatoi(preg, convbuf);
-	else {
-		for (r = rerrs; r->code != 0; r++)
-			if (r->code == target)
-				break;
-
-		if (errcode&REG_ITOA) {
-			if (r->code != 0)
-				(void) strcpy(convbuf, r->name);
-			else
-				sprintf(convbuf, "REG_0x%x", target);
-			assert(strlen(convbuf) < sizeof(convbuf));
-			s = convbuf;
-		} else
-			s = (char*) r->explain;
-	}
-
-	len = strlen(s) + 1;
-	if (errbuf_size > 0) {
-		if (errbuf_size > len)
-			(void) strcpy(errbuf, s);
-		else {
-			(void) strncpy(errbuf, s, errbuf_size-1);
-			errbuf[errbuf_size-1] = '\0';
-		}
-	}
-
-	return(len);
-}
-
-/*
- - regatoi - internal routine to implement REG_ATOI
- == static char *regatoi(const regex_t *preg, char *localbuf);
- */
-static char *
-regatoi(preg, localbuf)
-const my_regex_t *preg;
-char *localbuf;
-{
-	register struct rerr *r;
-	for (r = rerrs; r->code != 0; r++)
-		if (strcmp(r->name, preg->re_endp) == 0)
-			break;
-	if (r->code == 0)
-		return((char*) "0");
-
-	sprintf(localbuf, "%d", r->code);
-	return(localbuf);
-}