sqlite3.h

   1 /* Minimal - the simplest thing that could possibly work
   2  * Copyright (C) 2007  Jay Freeman (saurik)
   3 */
   4
   5 /*
   6  *        Redistribution and use in source and binary
   7  * forms, with or without modification, are permitted
   8  * provided that the following conditions are met:
   9  *
  10  * 1. Redistributions of source code must retain the
  11  *    above copyright notice, this list of conditions
  12  *    and the following disclaimer.
  13  * 2. Redistributions in binary form must reproduce the
  14  *    above copyright notice, this list of conditions
  15  *    and the following disclaimer in the documentation
  16  *    and/or other materials provided with the
  17  *    distribution.
  18  * 3. The name of the author may not be used to endorse
  19  *    or promote products derived from this software
  20  *    without specific prior written permission.
  21  *
  22  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS''
  23  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
  24  * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
  25  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  26  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE
  27  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  28  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  29  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  30  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  31  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
  32  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
  33  * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
  34  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
  35  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  36 */
  37
  38 #ifndef MINIMAL_SQLITE3_H
  39 #define MINIMAL_SQLITE3_H
  40
  41 #include <sqlite3.h>
  42 #include <string.h>
  43
  44 #define _sqlcall(expr) ({ \
  45     __typeof__(expr) _value = (expr); \
  46     if (_value != 0 && (_value < 100 || _value >= 200)) \
  47         _assert(false, "_sqlcall(%u:%s): %s\n", _value, #expr, sqlite3_errmsg(database_)); \
  48     _value; \
  49 })
  50
  51 int sqlite3_bind_string(sqlite3_stmt *stmt, int n, const char *value) {
  52     if (value == NULL)
  53         return sqlite3_bind_null(stmt, n);
  54     else
  55         return sqlite3_bind_text(stmt, n, strdup(value), -1, &free);
  56 }
  57
  58 int sqlite3_bind_boolean(sqlite3_stmt *stmt, int n, bool value) {
  59     return sqlite3_bind_int(stmt, n, value ? 1 : 0);
  60 }
  61
  62 char *sqlite3_column_string(sqlite3_stmt *stmt, int n) {
  63     const unsigned char *value = sqlite3_column_text(stmt, n);
  64     return value == NULL ? NULL : strdup((const char *) value);
  65 }
  66
  67 bool sqlite3_column_boolean(sqlite3_stmt *stmt, int n) {
  68     return sqlite3_column_int(stmt, n) != 0;
  69 }
  70
  71 #endif/*MINIMAL_SQLITE3_H*/