library.c

oci的源码,可以在任何平台上编译,相当方便实用

    OCILib.key_map = NULL;

    return res;
}

/* ------------------------------------------------------------------------ *
 * OCI_SetStatus
 * ------------------------------------------------------------------------ */

void OCI_SetStatus(boolean res)
{
    OCI_Error *err = OCI_ErrorGet(FALSE);

    if (err != NULL)
    {
        err->raise = (res == FALSE);
    }
}

/* ************************************************************************ *
 *                            PUBLIC FUNCTIONS
 * ************************************************************************ */

/* ------------------------------------------------------------------------ *
 * OCI_Initialize
 * ------------------------------------------------------------------------ */

boolean OCI_API OCI_Initialize(POCI_ERROR err_handler, const mtext *home,
                               unsigned int mode)
{
    boolean res  = TRUE;
    ub4 oci_mode = OCI_ENV_MODE | OCI_OBJECT;

#ifdef OCI_IMPORT_RUNTIME

    char path[OCI_SIZE_BUFFER+1];
 
    size_t len = 0;

#endif

    /* check if it was already initialized */

    if (OCILib.loaded == TRUE)
        return TRUE;

    memset(&OCILib, 0, sizeof(OCI_Library));

    OCILib.error_handler  = err_handler;
    OCILib.ver_compile    = OCI_VERSION_COMPILE;
    OCILib.ver_runtime    = OCI_VERSION_RUNTIME;
    OCILib.env_mode       = mode;

#ifdef OCI_IMPORT_LINKAGE

    OCI_NOT_USED(home);

#if defined(OCI_BIG_UINT_ENABLED)

    OCILib.use_lob_ub8 = TRUE;

#endif

#if defined(OCI_STMT_SCROLLABLE_READONLY)

    OCILib.use_scrollable_cursors = TRUE;

#endif

#else

    memset(path, 0, sizeof(path));

#if defined(OCI_CHARSET_UNICODE)

    if (home != NULL && home[0] != 0)
        len = wcstombs(path, home, sizeof(path));

#else

    if (home != NULL && home[0] != 0)
    {
        strncat(path, home, sizeof(path));

        len = strlen(path);
    }

#endif

    if ((len > 0) && (len < sizeof(path)) && (path[len-1] != OCI_CHAR_SLASH))
    {
        path[len] = OCI_CHAR_SLASH;
        len++;
    }

    strncat(path, OCI_DL_NAME, sizeof(path) - len);

    OCILib.lib_handle = LIB_OPEN(path);

    if (OCILib.lib_handle != NULL)
    {

        /* Now loading all symbols - no check is performed on each function,
           Basic checks will be done to ensure we're loading an
           Oracle and compatible library ...
        */

        LIB_SYMBOL(OCILib.lib_handle, "OCIEnvCreate", OCIEnvCreate,
                   OCIENVCREATE);

        LIB_SYMBOL(OCILib.lib_handle, "OCIServerAttach", OCIServerAttach,
                   OCISERVERATTACH);
        LIB_SYMBOL(OCILib.lib_handle, "OCIServerDetach", OCIServerDetach,
                   OCISERVERDETACH);

        LIB_SYMBOL(OCILib.lib_handle, "OCIHandleAlloc", OCIHandleAlloc,
                   OCIHANDLEALLOC);
        LIB_SYMBOL(OCILib.lib_handle, "OCIHandleFree",  OCIHandleFree,
                   OCIHANDLEFREE);

        LIB_SYMBOL(OCILib.lib_handle, "OCIDescriptorAlloc", OCIDescriptorAlloc,
                   OCIDESCRIPTORALLOC);
        LIB_SYMBOL(OCILib.lib_handle, "OCIDescriptorFree", OCIDescriptorFree,
                   OCIDESCRIPTORFREE);

        LIB_SYMBOL(OCILib.lib_handle, "OCIAttrSet", OCIAttrSet,
                   OCIATTRSET);
        LIB_SYMBOL(OCILib.lib_handle, "OCIAttrGet", OCIAttrGet,
                   OCIATTRGET);

        LIB_SYMBOL(OCILib.lib_handle, "OCIParamSet", OCIParamSet,
                   OCIPARAMSET);
        LIB_SYMBOL(OCILib.lib_handle, "OCIParamGet", OCIParamGet,
                   OCIPARAMGET);

        LIB_SYMBOL(OCILib.lib_handle, "OCISessionBegin", OCISessionBegin,
                   OCISESSIONBEGIN);
        LIB_SYMBOL(OCILib.lib_handle, "OCISessionEnd", OCISessionEnd,
                   OCISESSIONEND);

        LIB_SYMBOL(OCILib.lib_handle, "OCIPasswordChange", OCIPasswordChange,
                   OCIPASSWORDCHANGE);

        LIB_SYMBOL(OCILib.lib_handle, "OCITransStart", OCITransStart,
                   OCITRANSSTART);
        LIB_SYMBOL(OCILib.lib_handle, "OCITransDetach", OCITransDetach,
                   OCITRANSDETACH);
        LIB_SYMBOL(OCILib.lib_handle, "OCITransPrepare", OCITransPrepare,
                   OCITRANSPREPARE);
        LIB_SYMBOL(OCILib.lib_handle, "OCITransForget", OCITransForget,
                   OCITRANSFORGET);
        LIB_SYMBOL(OCILib.lib_handle, "OCITransCommit", OCITransCommit,
                   OCITRANSCOMMIT);
        LIB_SYMBOL(OCILib.lib_handle, "OCITransRollback", OCITransRollback,
                   OCITRANSROLLBACK);

        LIB_SYMBOL(OCILib.lib_handle, "OCIErrorGet",  OCIErrorGet,
                   OCIERRORGET);
        LIB_SYMBOL(OCILib.lib_handle, "OCIServerVersion", OCIServerVersion,
                   OCISERVERVERSION);
        LIB_SYMBOL(OCILib.lib_handle, "OCIBreak", OCIBreak,
                   OCIBREAK);

        LIB_SYMBOL(OCILib.lib_handle, "OCIBindByPos", OCIBindByPos,
                   OCIBINDBYPOS);
        LIB_SYMBOL(OCILib.lib_handle, "OCIBindByName", OCIBindByName,
                   OCIBINDBYNAME);
        LIB_SYMBOL(OCILib.lib_handle, "OCIBindDynamic", OCIBindDynamic,
                   OCIBINDDYNAMIC);
        LIB_SYMBOL(OCILib.lib_handle, "OCIBindObject", OCIBindObject,
                   OCIBINDOBJECT);

        LIB_SYMBOL(OCILib.lib_handle, "OCIDefineByPos", OCIDefineByPos,
                   OCIDEFINEBYPOS);
        LIB_SYMBOL(OCILib.lib_handle, "OCIDefineObject", OCIDefineObject,
                   OCIDEFINEOBJECT);

        LIB_SYMBOL(OCILib.lib_handle, "OCIStmtPrepare", OCIStmtPrepare,
                   OCISTMTPREPARE);
        LIB_SYMBOL(OCILib.lib_handle, "OCIStmtExecute", OCIStmtExecute,
                   OCISTMTEXECUTE);
        LIB_SYMBOL(OCILib.lib_handle, "OCIStmtFetch", OCIStmtFetch,
                   OCISTMTFETCH);
        LIB_SYMBOL(OCILib.lib_handle, "OCIStmtFetch2", OCIStmtFetch2,
                   OCISTMTFETCH2);

        LIB_SYMBOL(OCILib.lib_handle, "OCIStmtGetPieceInfo", OCIStmtGetPieceInfo,
                   OCISTMTGETPIECEINFO);
        LIB_SYMBOL(OCILib.lib_handle, "OCIStmtSetPieceInfo", OCIStmtSetPieceInfo,
                   OCISTMTSETPIECEINFO);

        LIB_SYMBOL(OCILib.lib_handle, "OCILobCreateTemporary", OCILobCreateTemporary,
                   OCILOBCREATETEMPORARY);
        LIB_SYMBOL(OCILib.lib_handle, "OCILobFreeTemporary", OCILobFreeTemporary,
                   OCILOBFREETEMPORARY);
        LIB_SYMBOL(OCILib.lib_handle, "OCILobIsTemporary", OCILobIsTemporary,
                   OCILOBISTEMPORARY);
        LIB_SYMBOL(OCILib.lib_handle, "OCILobRead", OCILobRead,
                   OCILOBREAD);
        LIB_SYMBOL(OCILib.lib_handle, "OCILobWrite", OCILobWrite,
                   OCILOBWRITE);
        LIB_SYMBOL(OCILib.lib_handle, "OCILobCopy", OCILobCopy,
                   OCILOBCOPY);
        LIB_SYMBOL(OCILib.lib_handle, "OCILobTrim", OCILobTrim,
                   OCILOBTRIM);
        LIB_SYMBOL(OCILib.lib_handle, "OCILobErase", OCILobErase,
                   OCILOBERASE);
        LIB_SYMBOL(OCILib.lib_handle, "OCILobAppend", OCILobAppend,
                   OCILOBAPPEND);
        LIB_SYMBOL(OCILib.lib_handle, "OCILobGetLength", OCILobGetLength,
                   OCILOBGETLENGTH);
        LIB_SYMBOL(OCILib.lib_handle, "OCILobOpen", OCILobOpen,
                   OCILOBOPEN);
        LIB_SYMBOL(OCILib.lib_handle, "OCILobClose", OCILobClose,
                   OCILOBCLOSE);

#ifdef ORAXB8_DEFINED

        LIB_SYMBOL(OCILib.lib_handle, "OCILobCopy2", OCILobCopy2,
                   OCILOBCOPY2);
        LIB_SYMBOL(OCILib.lib_handle, "OCILobErase2", OCILobErase2,
                   OCILOBERASE2);
        LIB_SYMBOL(OCILib.lib_handle, "OCILobGetLength2", OCILobGetLength2,
                   OCILOBGETLENGTH2);
        LIB_SYMBOL(OCILib.lib_handle, "OCILobLoadFromFile2", OCILobLoadFromFile2,
                   OCILOBLOADFROMFILE2);
        LIB_SYMBOL(OCILib.lib_handle, "OCILobRead2", OCILobRead2,
                   OCILOBREAD2);
        LIB_SYMBOL(OCILib.lib_handle, "OCILobTrim2", OCILobTrim2,
                   OCILOBTRIM2);
        LIB_SYMBOL(OCILib.lib_handle, "OCILobWrite2", OCILobWrite2,
                   OCILOBWRITE2);
        LIB_SYMBOL(OCILib.lib_handle, "OCILobWriteAppend2", OCILobWriteAppend2,
                   OCILOBWRITEAPPEND2);

#endif

        LIB_SYMBOL(OCILib.lib_handle, "OCILobFileOpen", OCILobFileOpen,
                   OCILOBFILEOPEN);
        LIB_SYMBOL(OCILib.lib_handle, "OCILobFileClose", OCILobFileClose,
                   OCILOBFILECLOSE);
        LIB_SYMBOL(OCILib.lib_handle, "OCILobFileCloseAll", OCILobFileCloseAll,
                   OCILOBFILECLOSEALL);
        LIB_SYMBOL(OCILib.lib_handle, "OCILobFileIsOpen", OCILobFileIsOpen,
                   OCILOBFILEISOPEN);
        LIB_SYMBOL(OCILib.lib_handle, "OCILobFileExists", OCILobFileExists,
                   OCILOBFILEEXISTS);
        LIB_SYMBOL(OCILib.lib_handle, "OCILobFileGetName", OCILobFileGetName,
                   OCILOBFIELGETNAME);
        LIB_SYMBOL(OCILib.lib_handle, "OCILobFileSetName", OCILobFileSetName,
                   OCILOBFILESETNAME);
        LIB_SYMBOL(OCILib.lib_handle, "OCILobLoadFromFile", OCILobLoadFromFile,
                   OCILOBLOADFROMFILE);
        LIB_SYMBOL(OCILib.lib_handle, "OCILobWriteAppend", OCILobWriteAppend,
                   OCILOBWRITEAPPEND);
        LIB_SYMBOL(OCILib.lib_handle, "OCILobIsEqual", OCILobIsEqual,
                   OCILOBISEQUAL);
        LIB_SYMBOL(OCILib.lib_handle, "OCILobAssign", OCILobAssign,
                   OCILOBASSIGN);
        LIB_SYMBOL(OCILib.lib_handle, "OCILobLocatorAssign", OCILobLocatorAssign,
                   OCILOBLOCATORASSIGN);

        LIB_SYMBOL(OCILib.lib_handle, "OCIDateAssign", OCIDateAssign,
                   OCIDATEASSIGN);
        LIB_SYMBOL(OCILib.lib_handle, "OCIDateToText", OCIDateToText,
                   OCIDATETOTEXT);
        LIB_SYMBOL(OCILib.lib_handle, "OCIDateFromText", OCIDateFromText,
                   OCIDATEFROMTEXT);
        LIB_SYMBOL(OCILib.lib_handle, "OCIDateCompare", OCIDateCompare,
                   OCIDATECOMPARE);
        LIB_SYMBOL(OCILib.lib_handle, "OCIDateAddMonths", OCIDateAddMonths,
                   OCIDATEADDMONTHS);
        LIB_SYMBOL(OCILib.lib_handle, "OCIDateAddDays", OCIDateAddDays,
                   OCIDATEADDDAYS);
        LIB_SYMBOL(OCILib.lib_handle, "OCIDateLastDay", OCIDateLastDay,