Check in the pristine copy of ICU 4.6...

icu46/source/io/locbund.c

+/*
+*******************************************************************************
+*
+*   Copyright (C) 1998-2007, International Business Machines
+*   Corporation and others.  All Rights Reserved.
+*
+*******************************************************************************
+*
+* File locbund.c
+*
+* Modification History:
+*
+*   Date        Name        Description
+*   11/18/98    stephen        Creation.
+*   12/10/1999  bobbyr(at)optiosoftware.com       Fix for memory leak + string allocation bugs
+*******************************************************************************
+*/
+
+#include "unicode/utypes.h"
+
+#if !UCONFIG_NO_FORMATTING
+
+#include "locbund.h"
+
+#include "cmemory.h"
+#include "cstring.h"
+#include "ucln_io.h"
+#include "umutex.h"
+#include "unicode/ustring.h"
+#include "unicode/uloc.h"
+
+static UBool isFormatsInitialized = FALSE;
+static UNumberFormat *gPosixNumberFormat[ULOCALEBUNDLE_NUMBERFORMAT_COUNT];
+
+U_CDECL_BEGIN
+static UBool U_CALLCONV locbund_cleanup(void) {
+    int32_t style;
+    for (style = 0; style < ULOCALEBUNDLE_NUMBERFORMAT_COUNT; style++) {
+        unum_close(gPosixNumberFormat[style]);
+        gPosixNumberFormat[style] = NULL;
+    }
+    isFormatsInitialized = FALSE;
+    return TRUE;
+}
+U_CDECL_END
+
+
+static U_INLINE UNumberFormat * copyInvariantFormatter(ULocaleBundle *result, UNumberFormatStyle style) {
+    if (result->fNumberFormat[style-1] == NULL) {
+        UErrorCode status = U_ZERO_ERROR;
+        UBool needsInit;
+
+        UMTX_CHECK(NULL, gPosixNumberFormat[style-1] == NULL, needsInit);
+        if (needsInit) {
+            UNumberFormat *formatAlias = unum_open(style, NULL, 0, "en_US_POSIX", NULL, &status);
+
+            /* Cache upon first request. */
+            if (U_SUCCESS(status)) {
+                umtx_lock(NULL);
+                gPosixNumberFormat[style-1] = formatAlias;
+                ucln_io_registerCleanup(UCLN_IO_LOCBUND, locbund_cleanup);
+                umtx_unlock(NULL);
+            }
+        }
+
+        /* Copy the needed formatter. */
+        result->fNumberFormat[style-1] = unum_clone(gPosixNumberFormat[style-1], &status);
+    }
+    return result->fNumberFormat[style-1];
+}
+
+ULocaleBundle*        
+u_locbund_init(ULocaleBundle *result, const char *loc)
+{
+    int32_t len;
+
+    if(result == 0)
+        return 0;
+
+    if (loc == NULL) {
+        loc = uloc_getDefault();
+    }
+
+    uprv_memset(result, 0, sizeof(ULocaleBundle));
+
+    len = (int32_t)strlen(loc);
+    result->fLocale = (char*) uprv_malloc(len + 1);
+    if(result->fLocale == 0) {
+        return 0;
+    }
+
+    uprv_strcpy(result->fLocale, loc);
+
+    result->isInvariantLocale = uprv_strcmp(result->fLocale, "en_US_POSIX") == 0;
+
+    return result;
+}
+
+/*ULocaleBundle*        
+u_locbund_new(const char *loc)
+{
+    ULocaleBundle *result = (ULocaleBundle*) uprv_malloc(sizeof(ULocaleBundle));
+    return u_locbund_init(result, loc);
+}
+
+ULocaleBundle*
+u_locbund_clone(const ULocaleBundle *bundle)
+{
+    ULocaleBundle *result = (ULocaleBundle*)uprv_malloc(sizeof(ULocaleBundle));
+    UErrorCode status = U_ZERO_ERROR;
+    int32_t styleIdx;
+    
+    if(result == 0)
+        return 0;
+    
+    result->fLocale = (char*) uprv_malloc(strlen(bundle->fLocale) + 1);
+    if(result->fLocale == 0) {
+        uprv_free(result);
+        return 0;
+    }
+    
+    strcpy(result->fLocale, bundle->fLocale );
+    
+    for (styleIdx = 0; styleIdx < ULOCALEBUNDLE_NUMBERFORMAT_COUNT; styleIdx++) {
+        status = U_ZERO_ERROR;
+        if (result->fNumberFormat[styleIdx]) {
+            result->fNumberFormat[styleIdx] = unum_clone(bundle->fNumberFormat[styleIdx], &status);
+            if (U_FAILURE(status)) {
+                result->fNumberFormat[styleIdx] = NULL;
+            }
+        }
+        else {
+            result->fNumberFormat[styleIdx] = NULL;
+        }
+    }
+    result->fDateFormat         = (bundle->fDateFormat == 0 ? 0 :
+        udat_clone(bundle->fDateFormat, &status));
+    result->fTimeFormat         = (bundle->fTimeFormat == 0 ? 0 :
+        udat_clone(bundle->fTimeFormat, &status));
+    
+    return result;
+}*/
+
+void
+u_locbund_close(ULocaleBundle *bundle)
+{
+    int32_t styleIdx;
+
+    uprv_free(bundle->fLocale);
+    
+    for (styleIdx = 0; styleIdx < ULOCALEBUNDLE_NUMBERFORMAT_COUNT; styleIdx++) {
+        if (bundle->fNumberFormat[styleIdx]) {
+            unum_close(bundle->fNumberFormat[styleIdx]);
+        }
+    }
+    
+    uprv_memset(bundle, 0, sizeof(ULocaleBundle));
+/*    uprv_free(bundle);*/
+}
+
+UNumberFormat*
+u_locbund_getNumberFormat(ULocaleBundle *bundle, UNumberFormatStyle style)
+{
+    UNumberFormat *formatAlias = NULL;
+    if (style > UNUM_IGNORE) {
+        formatAlias = bundle->fNumberFormat[style-1];
+        if (formatAlias == NULL) {
+            if (bundle->isInvariantLocale) {
+                formatAlias = copyInvariantFormatter(bundle, style);
+            }
+            else {
+                UErrorCode status = U_ZERO_ERROR;
+                formatAlias = unum_open(style, NULL, 0, bundle->fLocale, NULL, &status);
+                if (U_FAILURE(status)) {
+                    unum_close(formatAlias);
+                    formatAlias = NULL;
+                }
+                else {
+                    bundle->fNumberFormat[style-1] = formatAlias;
+                }
+            }
+        }
+    }
+    return formatAlias;
+}
+
+#endif /* #if !UCONFIG_NO_FORMATTING */