102 lines
2.3 KiB
C
102 lines
2.3 KiB
C
/* $Id$ */
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/*
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* Copyright (c) 2016 Kristaps Dzonsons <kristaps@bsd.lv>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include <stdarg.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <time.h>
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#include <unistd.h>
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#include <kcgi.h>
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#include <kcgijson.h>
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#include "ksql.h"
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#include "extern.h"
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enum stmt {
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STMT_BOOK,
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STMT__MAX
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};
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static const char *const stmts[STMT__MAX] = {
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/* STMT_BOOK */
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"SELECT books.id AS id,title FROM books WHERE books.id = ?",
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};
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struct book *
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db_book_load(struct kreq *r, int64_t id)
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{
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struct ksqlstmt *stmt;
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struct book *book;
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int i = 0;
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ksql_stmt_alloc(r->arg, &stmt,
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stmts[STMT_BOOK],
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STMT_BOOK);
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ksql_bind_int(stmt, 0, id);
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if (KSQL_ROW != ksql_stmt_step(stmt)) {
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ksql_stmt_free(stmt);
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return(NULL);
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}
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book = kcalloc(1, sizeof(struct book));
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book->id = ksql_stmt_int(stmt, i++);
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book->title = kstrdup(ksql_stmt_str(stmt, i++));
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ksql_stmt_free(stmt);
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return book;
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}
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/*
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* Open the database and stash the resulting handle in the d
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*/
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int
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db_open(struct kreq *r, const char *file)
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{
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struct ksqlcfg cfg;
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struct ksql *sql;
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/* Configure normal database except with foreign keys. */
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memset(&cfg, 0, sizeof(struct ksqlcfg));
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cfg.flags = KSQL_EXIT_ON_ERR |
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KSQL_FOREIGN_KEYS |
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KSQL_SAFE_EXIT;
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cfg.err = ksqlitemsg;
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cfg.dberr = ksqlitedbmsg;
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/* Allocate database. */
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if (NULL == (sql = ksql_alloc(&cfg)))
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return(0);
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ksql_open(sql, file);
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r->arg = sql;
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return(1);
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}
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/*
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* Close the database stashed in the kreq's argument.
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*/
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void
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db_close(struct kreq *r)
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{
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ksql_free(r->arg);
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r->arg = NULL;
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}
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