/* provide missing functions from newer ABI if needed */
#ifndef USE_SHARED_ERRSTR
#ifndef ArraySize
#define ArraySize(a) ((int)(sizeof(a) / sizeof(*(a))))
#endif
#ifndef ALWAYS
#define ALWAYS(a) (a)
#endif
/*
** Return a static string that describes the kind of error specified in the
** argument.
*/
static const char *sqlite3ErrStr(int rc){
static const char* const aMsg[] = {
/* SQLITE_OK */ "not an error",
/* SQLITE_ERROR */ "SQL logic error",
/* SQLITE_INTERNAL */ 0,
/* SQLITE_PERM */ "access permission denied",
/* SQLITE_ABORT */ "query aborted",
/* SQLITE_BUSY */ "database is locked",
/* SQLITE_LOCKED */ "database table is locked",
/* SQLITE_NOMEM */ "out of memory",
/* SQLITE_READONLY */ "attempt to write a readonly database",
/* SQLITE_INTERRUPT */ "interrupted",
/* SQLITE_IOERR */ "disk I/O error",
/* SQLITE_CORRUPT */ "database disk image is malformed",
/* SQLITE_NOTFOUND */ "unknown operation",
/* SQLITE_FULL */ "database or disk is full",
/* SQLITE_CANTOPEN */ "unable to open database file",
/* SQLITE_PROTOCOL */ "locking protocol",
/* SQLITE_EMPTY */ 0,
/* SQLITE_SCHEMA */ "database schema has changed",
/* SQLITE_TOOBIG */ "string or blob too big",
/* SQLITE_CONSTRAINT */ "constraint failed",
/* SQLITE_MISMATCH */ "datatype mismatch",
/* SQLITE_MISUSE */ "bad parameter or other API misuse",
#ifdef SQLITE_DISABLE_LFS
/* SQLITE_NOLFS */ "large file support is disabled",
#else
/* SQLITE_NOLFS */ 0,
#endif
/* SQLITE_AUTH */ "authorization denied",
/* SQLITE_FORMAT */ 0,
/* SQLITE_RANGE */ "column index out of range",
/* SQLITE_NOTADB */ "file is not a database",
/* SQLITE_NOTICE */ "notification message",
/* SQLITE_WARNING */ "warning message",
};
const char *zErr = "unknown error";
switch( rc ){
case SQLITE_ABORT_ROLLBACK: {
zErr = "abort due to ROLLBACK";
break;
}
case SQLITE_ROW: {
zErr = "another row available";
break;
}
case SQLITE_DONE: {
zErr = "no more rows available";
break;
}
default: {
rc &= 0xff;
if( ALWAYS(rc>=0) && rc<ArraySize(aMsg) && aMsg[rc]!=0 ){
zErr = aMsg[rc];
}
break;
}
}
return zErr;
}
#define sqlite3_errstr(a) sqlite3ErrStr(a)
#endif
