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Fixes: 

1 Report error message instead of do nothing in case of error in regex
2 Malloced storage for mask, find and repl part of Affix. This parts may be
  large enough in real life (for example in czech, thanks to moje <moje@kalhotky.net>)
This commit is contained in:
Teodor Sigaev 2005-01-11 16:07:55 +00:00
parent e24801654a
commit 5b354d2c7e
2 changed files with 20 additions and 13 deletions
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27
contrib/tsearch2/ispell/spell.c
View File

@ -10,6 +10,8 @@
#define MAX_NORM 1024
#define MAXNORMLEN 256
#define ERRSTRSIZE 1024
#define STRNCASECMP(x,y) pg_strncasecmp(x, y, strlen(y))
#define GETWCHAR(W,L,N,T) ( ((uint8*)(W))[ ((T)==FF_PREFIX) ? (N) : ( (L) - 1 - (N) ) ] )
#define GETCHAR(A,N,T) GETWCHAR( (A)->repl, (A)->replen, N, T )
@ -250,30 +252,35 @@ NIAddAffix(IspellDict * Conf, int flag, char flagflags, const char *mask, const
{
Conf->Affix[Conf->naffixes].issimple = 1;
Conf->Affix[Conf->naffixes].isregis = 0;
*(Conf->Affix[Conf->naffixes].mask) = '\0';
Conf->Affix[Conf->naffixes].mask = strdup("");
}
else if (RS_isRegis(mask))
{
Conf->Affix[Conf->naffixes].issimple = 0;
Conf->Affix[Conf->naffixes].isregis = 1;
strcpy(Conf->Affix[Conf->naffixes].mask, mask);
Conf->Affix[Conf->naffixes].mask = strdup(mask);
}
else
{
Conf->Affix[Conf->naffixes].issimple = 0;
Conf->Affix[Conf->naffixes].isregis = 0;
Conf->Affix[Conf->naffixes].mask = (char*)malloc( strlen(mask) + 2 );
if (type == FF_SUFFIX)
sprintf(Conf->Affix[Conf->naffixes].mask, "%s$", mask);
else
sprintf(Conf->Affix[Conf->naffixes].mask, "^%s", mask);
}
MEMOUT(Conf->Affix[Conf->naffixes].mask);
Conf->Affix[Conf->naffixes].compile = 1;
Conf->Affix[Conf->naffixes].flagflags = flagflags;
Conf->Affix[Conf->naffixes].flag = flag;
Conf->Affix[Conf->naffixes].type = type;
strcpy(Conf->Affix[Conf->naffixes].find, find);
strcpy(Conf->Affix[Conf->naffixes].repl, repl);
Conf->Affix[Conf->naffixes].find = strdup(find);
MEMOUT(Conf->Affix[Conf->naffixes].find);
Conf->Affix[Conf->naffixes].repl = strdup(repl);
MEMOUT(Conf->Affix[Conf->naffixes].repl);
Conf->Affix[Conf->naffixes].replen = strlen(repl);
Conf->naffixes++;
return (0);
@ -794,12 +801,9 @@ CheckAffix(const char *word, size_t len, AFFIX * Affix, char flagflags, char *ne
pfree(mask);
if (err)
{
/*
* regerror(err, &(Affix->reg.regex), regerrstr,
* ERRSTRSIZE);
*/
pg_regfree(&(Affix->reg.regex));
return (NULL);
char regerrstr[ERRSTRSIZE];
pg_regerror(err, &(Affix->reg.regex), regerrstr, ERRSTRSIZE);
elog(ERROR, "Regex error in '%s': %s", Affix->mask, regerrstr);
}
Affix->compile = 0;
}
@ -1239,6 +1243,9 @@ NIFree(IspellDict * Conf)
else
pg_regfree(&(Affix[i].reg.regex));
}
free(Affix[i].mask);
free(Affix[i].find);
free(Affix[i].repl);
}
if (Conf->Spell)
{

6
contrib/tsearch2/ispell/spell.h
View File

@ -54,9 +54,9 @@ typedef struct aff_struct
isregis:1,
unused:1,
replen:16;
char mask[32];
char find[16];
char repl[16];
char *mask;
char *find;
char *repl;
union
{
regex_t regex;