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riched20: Fix for EM_FINDTEXT input validation.

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Fixed the cpMin/cpMax validation code for EM_FINDTEXT.
Removed todo flag from affected EM_FINDTEXT tests.
This commit is contained in:
Lei Zhang 2006-02-20 10:35:14 -08:00 committed by Alexandre Julliard
parent 2aa6e2ebd9
commit 0014e50465
2 changed files with 23 additions and 13 deletions
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26
dlls/riched20/editor.c
View File

@ -778,18 +778,28 @@ ME_FindText(ME_TextEditor *editor, DWORD flags, CHARRANGE *chrg, WCHAR *text, CH
if (flags & ~(FR_DOWN | FR_MATCHCASE))
FIXME("Flags 0x%08lx not implemented\n", flags & ~(FR_DOWN | FR_MATCHCASE));
nMin = chrg->cpMin;
if (chrg->cpMax == -1)
{
nMin = chrg->cpMin;
nMax = ME_GetTextLength(editor);
}
else
{
nMin = min(chrg->cpMin, chrg->cpMax);
nMax = max(chrg->cpMin, chrg->cpMax);
}
nMax = chrg->cpMax;
if (!nLen || nMin < 0 || nMax < 0)
/* when searching up, if cpMin < cpMax, then instead of searching
* on [cpMin,cpMax], we search on [0,cpMin], otherwise, search on
* [cpMax, cpMin]
*/
if (!(flags & FR_DOWN))
{
int nSwap = nMax;
nMax = nMin;
if (nMin < nSwap)
nMin = 0;
else
nMin = nSwap;
}
if (!nLen || nMin < 0 || nMax < 0 || nMax < nMin)
{
if (chrgText)
chrgText->cpMin = chrgText->cpMax = -1;

10
dlls/riched20/tests/editor.c
View File

@ -71,8 +71,8 @@ struct find_s find_tests2[] = {
{24, 31, "Wine", FR_DOWN | FR_MATCHCASE, 27, 0},
/* Find backwards */
{19, 20, "Wine", FR_MATCHCASE, 13, 1},
{10, 20, "Wine", FR_MATCHCASE, 4, 1},
{19, 20, "Wine", FR_MATCHCASE, 13, 0},
{10, 20, "Wine", FR_MATCHCASE, 4, 0},
{20, 10, "Wine", FR_MATCHCASE, 13, 0},
/* Case-insensitive */
@ -80,7 +80,7 @@ struct find_s find_tests2[] = {
{1, 31, "Wine", FR_DOWN, 4, 0},
/* High-to-low ranges */
{20, 5, "Wine", FR_DOWN, -1, 1},
{20, 5, "Wine", FR_DOWN, -1, 0},
{2, 1, "Wine", FR_DOWN, -1, 0},
{30, 29, "Wine", FR_DOWN, -1, 0},
{20, 5, "Wine", 0, 13, 0},
@ -110,8 +110,8 @@ struct find_s find_tests2[] = {
/* The backwards case of bug 4479; bounds look right
* Fails because backward find is wrong */
{19, 20, "WINE", FR_MATCHCASE, 0, 1},
{0, 20, "WINE", FR_MATCHCASE, -1, 1}
{19, 20, "WINE", FR_MATCHCASE, 0, 0},
{0, 20, "WINE", FR_MATCHCASE, -1, 0}
};
static void check_EM_FINDTEXT(HWND hwnd, char *name, struct find_s *f, int id) {