84 lines
2.2 KiB
C
84 lines
2.2 KiB
C
/*
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******************************************************************************
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*
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* Copyright (C) 2009, International Business Machines
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* Corporation and others. All Rights Reserved.
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*
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******************************************************************************
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*/
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#include "unicode/utypes.h"
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#include "unicode/icudataver.h"
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#include "unicode/uversion.h"
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#include "unicode/ures.h"
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#include "uresimp.h" /* for ures_getVersionByKey */
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#include "cmemory.h"
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/*
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* Determines if icustd is in the data.
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*/
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static UBool hasICUSTDBundle();
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static UBool hasICUSTDBundle() {
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UErrorCode status = U_ZERO_ERROR;
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UBool result = TRUE;
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UResourceBundle *icustdbundle = ures_openDirect(NULL, U_ICU_STD_BUNDLE, &status);
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if (U_SUCCESS(status)) {
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result = TRUE;
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} else {
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result = FALSE;
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}
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ures_close(icustdbundle);
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return result;
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}
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U_CAPI void U_EXPORT2 u_getDataVersion(UVersionInfo dataVersionFillin, UErrorCode *status) {
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UResourceBundle *icudatares = NULL;
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if (U_FAILURE(*status)) {
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return;
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}
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if (dataVersionFillin != NULL) {
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icudatares = ures_openDirect(NULL, U_ICU_VERSION_BUNDLE , status);
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if (U_SUCCESS(*status)) {
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ures_getVersionByKey(icudatares, U_ICU_DATA_KEY, dataVersionFillin, status);
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}
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ures_close(icudatares);
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}
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}
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U_CAPI UBool U_EXPORT2 u_isDataOlder(UVersionInfo dataVersionFillin, UBool *isModifiedFillin, UErrorCode *status) {
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UBool result = TRUE;
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UVersionInfo dataVersion;
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UVersionInfo wiredVersion;
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if (U_FAILURE(*status)) {
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return result;
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}
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u_getDataVersion(dataVersion, status);
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if (U_SUCCESS(*status)) {
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u_versionFromString(wiredVersion, U_ICU_DATA_VERSION);
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if (uprv_memcmp(dataVersion, wiredVersion, sizeof(UVersionInfo)) >= 0) {
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result = FALSE;
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}
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if (dataVersionFillin != NULL) {
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uprv_memcpy(dataVersionFillin, dataVersion, sizeof(UVersionInfo));
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}
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if (hasICUSTDBundle()) {
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*isModifiedFillin = FALSE;
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} else {
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*isModifiedFillin = TRUE;
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}
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}
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return result;
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}
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