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ICU-7500 fix uloc_getDisplayName incorrect length

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X-SVN-Rev: 27774
This commit is contained in:
Doug Felt 2010-03-04 02:34:15 +00:00
parent d159b81c9f
commit 809ac514dc
3 changed files with 28 additions and 6 deletions
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5
icu4c/source/common/locdispnames.cpp
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@ -662,7 +662,7 @@ uloc_getDisplayName(const char *locale,
if ( p0 != NULL && p1 != NULL ) { /* The pattern is well formed */
if ( dest ) {
int32_t destLen = 0;
UChar *result = (UChar *)uprv_malloc((length+1)*sizeof(UChar));
UChar *result = (UChar *)uprv_malloc((length+1)*sizeof(UChar));
UChar *upos = (UChar *)dispLocPattern;
u_strcpy(result,dest);
dest[0] = 0;
@ -684,7 +684,8 @@ uloc_getDisplayName(const char *locale,
destLen++;
dest[destLen] = 0; /* Null terminate */
}
}
}
length = destLen;
uprv_free(result);
}
}

23
icu4c/source/test/cintltst/cloctst.c
View file

@ -240,6 +240,7 @@ void addLocaleTest(TestNode** root)
TESTCASE(TestLikelySubtags);
TESTCASE(TestToLanguageTag);
TESTCASE(TestForLanguageTag);
TESTCASE(TestTrailingNull);
}
@ -2119,9 +2120,28 @@ static void TestGetBaseName(void) {
return;
}
}
}
static void TestTrailingNull(void) {
const char* localeId = "zh_Hans";
UChar buffer[128]; /* sufficient for this test */
int32_t len;
UErrorCode status = U_ZERO_ERROR;
int i;
len = uloc_getDisplayName(localeId, localeId, buffer, 128, &status);
if (len > 128) {
log_err("buffer too small");
return;
}
for (i = 0; i < len; ++i) {
if (buffer[i] == 0) {
log_err("name contained null");
return;
}
}
}
/* Jitterbug 4115 */
static void TestDisplayNameWarning(void) {
@ -5536,4 +5556,3 @@ static void TestForLanguageTag(void) {
}
}
}

6
icu4c/source/test/cintltst/cloctst.h
View file

@ -1,6 +1,6 @@
/********************************************************************
* COPYRIGHT:
* Copyright (c) 1997-2009, International Business Machines Corporation and
* COPYRIGHT:
* Copyright (c) 1997-2010, International Business Machines Corporation and
* others. All Rights Reserved.
********************************************************************/
/********************************************************************************
@ -89,6 +89,8 @@ static void TestDisplayNames(void);
static void TestGetBaseName(void);
static void TestTrailingNull(void);
static void TestGetLocale(void);
/**