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tsearch2 module

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This commit is contained in:
Teodor Sigaev
2003-07-21 10:27:44 +00:00
parent a605382670
commit b88605337e
63 changed files with 16908 additions and 0 deletions
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82
contrib/tsearch2/common.c Normal file
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#include "postgres.h"
#include "common.h"
#include "wparser.h"
#include "ts_cfg.h"
#include "dict.h"
text*
char2text(char* in) {
return charl2text(in, strlen(in));
}
text* charl2text(char* in, int len) {
text *out=(text*)palloc(len+VARHDRSZ);
memcpy(VARDATA(out), in, len);
VARATT_SIZEP(out) = len+VARHDRSZ;
return out;
}
char
*text2char(text* in) {
char *out=palloc( VARSIZE(in) );
memcpy(out, VARDATA(in), VARSIZE(in)-VARHDRSZ);
out[ VARSIZE(in)-VARHDRSZ ] ='\0';
return out;
}
char
*pnstrdup(char* in, int len) {
char *out=palloc( len+1 );
memcpy(out, in, len);
out[len]='\0';
return out;
}
text
*ptextdup(text* in) {
text *out=(text*)palloc( VARSIZE(in) );
memcpy(out,in,VARSIZE(in));
return out;
}
text
*mtextdup(text* in) {
text *out=(text*)malloc( VARSIZE(in) );
if ( !out )
ts_error(ERROR, "No memory");
memcpy(out,in,VARSIZE(in));
return out;
}
void
ts_error(int state, const char *format, ...) {
va_list args;
int tlen = 128, len=0;
char *buf;
reset_cfg();
reset_dict();
reset_prs();
va_start(args, format);
buf = palloc(tlen);
len = vsnprintf(buf, tlen-1, format, args);
if ( len >= tlen ) {
tlen=len+1;
buf = repalloc( buf, tlen );
vsnprintf(buf, tlen-1, format, args);
}
va_end(args);
elog(state,buf);
pfree(buf);
}
int
text_cmp(text *a, text *b) {
if ( VARSIZE(a) == VARSIZE(b) )
return strncmp( VARDATA(a), VARDATA(b), VARSIZE(a)-VARHDRSZ );
return (int)VARSIZE(a) - (int)VARSIZE(b);
}