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7c999bb032
Remove some warnings Docs/manual.texi: Solaris and gcc include/ft_global.h: Remove warnings include/myisam.h: Query cache include/myisammrg.h: Query cache include/mysql_com.h: Query cache libmysqld/lib_sql.cc: Query cache myisam/ft_boolean_search.c: Remove warnings myisam/ft_dump.c: Remove warnings myisam/ft_parser.c: Remove warnings myisam/ft_static.c: Remove warnings myisam/ft_update.c: Remove warnings myisam/ftdefs.h: Remove warnings myisam/mi_delete.c: Query cache myisam/mi_locking.c: Query cache myisam/mi_update.c: Query cache myisam/myisamdef.h: Optimize for Ia64 myisammrg/myrg_extra.c: Query cache mysys/mf_keycache.c: DBUG statements regex/cclass.h: Remove warnings regex/cname.h: Remove warnings regex/main.c: Remove warnings regex/regcomp.c: Remove warnings regex/regcomp.ih: Remove warnings regex/regerror.c: Remove warnings regex/reginit.c: Remove warnings regex/split.c: Remove warnings sql-bench/test-connect.sh: Make tests query-cache safe. sql-bench/test-transactions.sh: Fix for old perl versions sql/convert.cc: Query cache sql/ha_myisammrg.cc: Query cache sql/ha_myisammrg.h: Query cache sql/handler.cc: Query cache sql/item_create.cc: Query cache sql/item_func.cc: Remove warnings sql/item_func.h: Remove warnings sql/lex.h: Query cache sql/mysql_priv.h: Query cache sql/mysqld.cc: Query cache sql/net_serv.cc: Query cache sql/sql_cache.cc: Query cache sql/sql_class.cc: Query cache sql/sql_class.h: Query cache sql/sql_db.cc: Query cache sql/sql_delete.cc: Query cache sql/sql_insert.cc: Query cache sql/sql_parse.cc: Query cache sql/sql_select.cc: Query cache sql/sql_table.cc: Query cache sql/sql_update.cc: Query cache sql/sql_yacc.yy: Query cache
120 lines
3 KiB
C
120 lines
3 KiB
C
#include <my_global.h>
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#include <m_string.h>
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#include <m_ctype.h>
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#include <regex.h>
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#include "utils.h"
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#include "regerror.ih"
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/*
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= #define REG_NOMATCH 1
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= #define REG_BADPAT 2
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= #define REG_ECOLLATE 3
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= #define REG_ECTYPE 4
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= #define REG_EESCAPE 5
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= #define REG_ESUBREG 6
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= #define REG_EBRACK 7
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= #define REG_EPAREN 8
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= #define REG_EBRACE 9
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= #define REG_BADBR 10
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= #define REG_ERANGE 11
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= #define REG_ESPACE 12
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= #define REG_BADRPT 13
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= #define REG_EMPTY 14
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= #define REG_ASSERT 15
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= #define REG_INVARG 16
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= #define REG_ATOI 255 // convert name to number (!)
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= #define REG_ITOA 0400 // convert number to name (!)
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*/
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static struct rerr {
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int code;
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const char *name;
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const char *explain;
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} rerrs[] = {
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{REG_NOMATCH, "REG_NOMATCH", "regexec() failed to match"},
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{REG_BADPAT, "REG_BADPAT", "invalid regular expression"},
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{REG_ECOLLATE, "REG_ECOLLATE", "invalid collating element"},
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{REG_ECTYPE, "REG_ECTYPE", "invalid character class"},
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{REG_EESCAPE, "REG_EESCAPE", "trailing backslash (\\)"},
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{REG_ESUBREG, "REG_ESUBREG", "invalid backreference number"},
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{REG_EBRACK, "REG_EBRACK", "brackets ([ ]) not balanced"},
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{REG_EPAREN, "REG_EPAREN", "parentheses not balanced"},
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{REG_EBRACE, "REG_EBRACE", "braces not balanced"},
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{REG_BADBR, "REG_BADBR", "invalid repetition count(s)"},
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{REG_ERANGE, "REG_ERANGE", "invalid character range"},
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{REG_ESPACE, "REG_ESPACE", "out of memory"},
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{REG_BADRPT, "REG_BADRPT", "repetition-operator operand invalid"},
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{REG_EMPTY, "REG_EMPTY", "empty (sub)expression"},
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{REG_ASSERT, "REG_ASSERT", "\"can't happen\" -- you found a bug"},
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{REG_INVARG, "REG_INVARG", "invalid argument to regex routine"},
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{0, "", "*** unknown regexp error code ***"},
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};
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/*
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- regerror - the interface to error numbers
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= extern size_t regerror(int, const regex_t *, char *, size_t);
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*/
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/* ARGSUSED */
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size_t
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regerror(errcode, preg, errbuf, errbuf_size)
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int errcode;
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const regex_t *preg;
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char *errbuf;
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size_t errbuf_size;
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{
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register struct rerr *r;
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register size_t len;
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register int target = errcode &~ REG_ITOA;
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register char *s;
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char convbuf[50];
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if (errcode == REG_ATOI)
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s = regatoi(preg, convbuf);
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else {
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for (r = rerrs; r->code != 0; r++)
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if (r->code == target)
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break;
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if (errcode®_ITOA) {
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if (r->code != 0)
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(void) strcpy(convbuf, r->name);
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else
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sprintf(convbuf, "REG_0x%x", target);
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assert(strlen(convbuf) < sizeof(convbuf));
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s = convbuf;
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} else
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s = (char*) r->explain;
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}
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len = strlen(s) + 1;
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if (errbuf_size > 0) {
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if (errbuf_size > len)
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(void) strcpy(errbuf, s);
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else {
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(void) strncpy(errbuf, s, errbuf_size-1);
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errbuf[errbuf_size-1] = '\0';
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}
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}
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return(len);
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}
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/*
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- regatoi - internal routine to implement REG_ATOI
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== static char *regatoi(const regex_t *preg, char *localbuf);
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*/
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static char *
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regatoi(preg, localbuf)
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const regex_t *preg;
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char *localbuf;
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{
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register struct rerr *r;
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for (r = rerrs; r->code != 0; r++)
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if (strcmp(r->name, preg->re_endp) == 0)
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break;
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if (r->code == 0)
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return((char*) "0");
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sprintf(localbuf, "%d", r->code);
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return(localbuf);
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}
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