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/*-
* $Id$
*
* The following provides the information necessary to build Berkeley DB
* on BREW.
*/
#include <AEEAppGen.h>
#include <AEEShell.h>
#include <AEEFile.h>
#include <AEEStdLib.h>
#include "errno.h"
#include "db.h"
#include "clib_port.h"
/*
* BREW doesn't have stdio.
*/
#define EOF (-1) /* Declare stdio's EOF. */
#define stderr ((IFile *)1) /* Flag to call DBGPRINTF. */
#define stdout ((IFile *)1)
/*
* POSIX time structure/function compatibility.
*
* !!!
* This is likely wrong, we should probably move all Berkeley DB time-specific
* functionality into os/.
*/
struct tm {
int tm_sec; /* seconds after the minute - [0,59] */
int tm_min; /* minutes after the hour - [0,59] */
int tm_hour; /* hours since midnight - [0,23] */
int tm_mday; /* day of the month - [1,31] */
int tm_mon; /* months since January - [0,11] */
int tm_year; /* years since 1900 */
int tm_wday; /* days since Sunday - [0,6] */
int tm_yday; /* days since January 1 - [0,365] */
int tm_isdst; /* daylight savings time flag */
/*
* We don't provide tm_zone or tm_gmtoff because BREW doesn't
* provide them.
*/
};
/*
* The ctime() function converts the time pointed to by clock, representing
* time in seconds since the Epoch to local time in the form of a string.
*
* Berkeley DB uses POSIX time values internally.
*
* The POSIX time function returns seconds since the Epoch, which was
* 1970/01/01 00:00:00 UTC.
*
* BREW's GETUTCSECONDS() returns the number of seconds since
* 1980/01/06 00:00:00 UTC.
*
* To convert from BREW to POSIX, add the seconds between 1970 and 1980 plus
* 6 more days.
*/
#define BREW_EPOCH_OFFSET (315964800L)
/*
* Map ANSI C library functions to BREW specific APIs.
*/
#define atoi(a) ATOI(a)
#define free(a) FREE(a)
#define malloc(a) MALLOC(a)
#define memcmp(a, b, c) MEMCMP(a, b, c)
#define memmove(a, b, c) MEMMOVE(a, b, c)
#define memset(a, b, c) MEMSET(a, b, c)
#define realloc(a, b) REALLOC(a, b)
#define snprintf SNPRINTF
#define sprintf SPRINTF
#define strcat(a, b) STRCAT(a, b)
#define strchr(a, b) STRCHR(a, b)
#define strcmp(a, b) STRCMP(a, b)
#define strcpy(a, b) STRCPY(a, b)
#define strdup(a) STRDUP(a)
#define strlen(a) STRLEN(a)
#define strncmp(a, b, c) STRNCMP(a, b, c)
#define strncpy(a, b, c) STRNCPY(a, b, c)
#define strrchr(a, b) STRRCHR(a, b)
#define strtoul(a, b, c) STRTOUL(a, b, c)
#define vsnprintf(a, b, c, d) VSNPRINTF(a, b, c, d)
/*
* !!!
* Don't #define memcpy to MEMCPY, even though it exists, because that results
* in a C pre-processor loop and compile failure.
*
* Don't #define memcpy to MEMMOVE directly, that results in failure as well.
*/
#define memcpy memmove
/*
* BREW does not have concept of 'sync'.
*
* It depends on the implementation of the BREW on various platforms, but
* Mobilus confirms the version of BREW that ships to North America in 3G
* models has sync features guaranteeing safe physical writes whenever a
* write is performed using BREW API. Therefore, the issue is not on the
* applications running top of BREW, but the implementation of BREW itself
* that has to be checked in order to provide durability.
*/
#define __os_fsync(a, b) (0)
#define fflush(a) (0)
/*
* The ANSI C library functions for which we wrote local versions.
*/
int fclose(FILE *);
int fgetc(FILE *);
char *fgets(char *, int, FILE *);
FILE *fopen(const char *, const char *);
size_t fwrite(const void *, size_t, size_t, FILE *);
char *getcwd(char *, size_t);
struct tm *localtime(const time_t *);
time_t time(time_t *);
/*
* FILE_MANAGER_CREATE --
* Instantiate file manager instance.
*/
#define FILE_MANAGER_CREATE(dbenv, mgr, ret) do { \
AEEApplet *__app = (AEEApplet *)GETAPPINSTANCE(); \
int __ret; \
if ((__ret = ISHELL_CreateInstance(__app->m_pIShell, \
AEECLSID_FILEMGR, (void **)&(mgr))) == SUCCESS) \
ret = 0; \
else { \
__db_syserr(dbenv, __ret, "ISHELL_CreateInstance"); \
ret = __os_posix_err(__ret); \
} \
} while (0)
/*
* FILE_MANAGER_ERR --
* Handle file manager method error.
*/
#define FILE_MANAGER_ERR(dbenv, mgr, name, op, ret) do { \
int __ret; \
__ret = IFILEMGR_GetLastError(mgr); \
if ((name) == NULL) \
__db_syserr(dbenv, __ret, "%s", op); \
else \
__db_syserr(dbenv, __ret, "%s: %s", name, op); \
(ret) = __os_posix_err(__ret); \
} while (0)
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