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Add better NULL checks to lstrcmp[i](A/W) functions.

This commit is contained in:
Lionel Ulmer 2004-04-05 20:14:33 +00:00 committed by Alexandre Julliard
parent def7188731
commit 91d63c0cb6
2 changed files with 42 additions and 5 deletions
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36
dlls/kernel/locale.c
View File

@ -2356,8 +2356,15 @@ INT WINAPI CompareStringA(LCID lcid, DWORD style,
*/
int WINAPI lstrcmpA(LPCSTR str1, LPCSTR str2)
{
int ret = CompareStringA(GetThreadLocale(), 0, str1, -1, str2, -1);
int ret;
if ((str1 == NULL) && (str2 == NULL)) return 0;
if (str1 == NULL) return -1;
if (str2 == NULL) return 1;
ret = CompareStringA(GetThreadLocale(), 0, str1, -1, str2, -1);
if (ret) ret -= 2;
return ret;
}
@ -2378,8 +2385,15 @@ int WINAPI lstrcmpA(LPCSTR str1, LPCSTR str2)
*/
int WINAPI lstrcmpiA(LPCSTR str1, LPCSTR str2)
{
int ret = CompareStringA(GetThreadLocale(), NORM_IGNORECASE, str1, -1, str2, -1);
int ret;
if ((str1 == NULL) && (str2 == NULL)) return 0;
if (str1 == NULL) return -1;
if (str2 == NULL) return 1;
ret = CompareStringA(GetThreadLocale(), NORM_IGNORECASE, str1, -1, str2, -1);
if (ret) ret -= 2;
return ret;
}
@ -2390,8 +2404,15 @@ int WINAPI lstrcmpiA(LPCSTR str1, LPCSTR str2)
*/
int WINAPI lstrcmpW(LPCWSTR str1, LPCWSTR str2)
{
int ret = CompareStringW(GetThreadLocale(), 0, str1, -1, str2, -1);
int ret;
if ((str1 == NULL) && (str2 == NULL)) return 0;
if (str1 == NULL) return -1;
if (str2 == NULL) return 1;
ret = CompareStringW(GetThreadLocale(), 0, str1, -1, str2, -1);
if (ret) ret -= 2;
return ret;
}
@ -2402,8 +2423,15 @@ int WINAPI lstrcmpW(LPCWSTR str1, LPCWSTR str2)
*/
int WINAPI lstrcmpiW(LPCWSTR str1, LPCWSTR str2)
{
int ret = CompareStringW(GetThreadLocale(), NORM_IGNORECASE, str1, -1, str2, -1);
int ret;
if ((str1 == NULL) && (str2 == NULL)) return 0;
if (str1 == NULL) return -1;
if (str2 == NULL) return 1;
ret = CompareStringW(GetThreadLocale(), NORM_IGNORECASE, str1, -1, str2, -1);
if (ret) ret -= 2;
return ret;
}

11
dlls/kernel/tests/locale.c
View File

@ -795,8 +795,17 @@ static void test_CompareStringA()
ok(!ret, "CompareStringA must fail with invalid flag\n");
ret = lstrcmpA("", "");
ok (!ret, "lstrcmpA(\"\", \"\") should return 0, got %d\n", ret);
ok (ret == 0, "lstrcmpA(\"\", \"\") should return 0, got %d\n", ret);
ret = lstrcmpA(NULL, NULL);
ok (ret == 0, "lstrcmpA(NULL, NULL) should return 0, got %d\n", ret);
ret = lstrcmpA("", NULL);
ok (ret == 1, "lstrcmpA(\"\", NULL) should return 1, got %d\n", ret);
ret = lstrcmpA(NULL, "");
ok (ret == -1, "lstrcmpA(NULL, \"\") should return -1, got %d\n", ret);
ret = CompareStringA(LOCALE_SYSTEM_DEFAULT,0,"EndDialog",-1,"_Property",-1);
ok( ret == 3, "EndDialog vs _Property ... expected 3, got %d\n", ret);