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https://git.postgresql.org/git/postgresql.git
synced 2025-01-06 15:24:56 +08:00
84 lines
1.5 KiB
C
84 lines
1.5 KiB
C
#include "postgres.h"
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#include "common.h"
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#include "wparser.h"
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#include "ts_cfg.h"
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#include "dict.h"
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text*
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char2text(char* in) {
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return charl2text(in, strlen(in));
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}
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text* charl2text(char* in, int len) {
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text *out=(text*)palloc(len+VARHDRSZ);
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memcpy(VARDATA(out), in, len);
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VARATT_SIZEP(out) = len+VARHDRSZ;
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return out;
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}
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char
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*text2char(text* in) {
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char *out=palloc( VARSIZE(in) );
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memcpy(out, VARDATA(in), VARSIZE(in)-VARHDRSZ);
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out[ VARSIZE(in)-VARHDRSZ ] ='\0';
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return out;
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}
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char
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*pnstrdup(char* in, int len) {
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char *out=palloc( len+1 );
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memcpy(out, in, len);
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out[len]='\0';
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return out;
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}
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text
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*ptextdup(text* in) {
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text *out=(text*)palloc( VARSIZE(in) );
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memcpy(out,in,VARSIZE(in));
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return out;
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}
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text
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*mtextdup(text* in) {
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text *out=(text*)malloc( VARSIZE(in) );
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if ( !out )
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ts_error(ERROR, "No memory");
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memcpy(out,in,VARSIZE(in));
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return out;
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}
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void
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ts_error(int state, const char *format, ...) {
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va_list args;
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int tlen = 128, len=0;
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char *buf;
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reset_cfg();
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reset_dict();
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reset_prs();
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va_start(args, format);
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buf = palloc(tlen);
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len = vsnprintf(buf, tlen-1, format, args);
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if ( len >= tlen ) {
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tlen=len+1;
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buf = repalloc( buf, tlen );
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vsnprintf(buf, tlen-1, format, args);
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}
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va_end(args);
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/* ?? internal error ?? */
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elog(state, "%s", buf);
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pfree(buf);
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}
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int
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text_cmp(text *a, text *b) {
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if ( VARSIZE(a) == VARSIZE(b) )
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return strncmp( VARDATA(a), VARDATA(b), VARSIZE(a)-VARHDRSZ );
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return (int)VARSIZE(a) - (int)VARSIZE(b);
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}
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