Commit 0014e504 authored by Lei Zhang's avatar Lei Zhang Committed by Alexandre Julliard

riched20: Fix for EM_FINDTEXT input validation.

Fixed the cpMin/cpMax validation code for EM_FINDTEXT. Removed todo flag from affected EM_FINDTEXT tests.
parent 2aa6e2eb
...@@ -778,18 +778,28 @@ ME_FindText(ME_TextEditor *editor, DWORD flags, CHARRANGE *chrg, WCHAR *text, CH ...@@ -778,18 +778,28 @@ ME_FindText(ME_TextEditor *editor, DWORD flags, CHARRANGE *chrg, WCHAR *text, CH
if (flags & ~(FR_DOWN | FR_MATCHCASE)) if (flags & ~(FR_DOWN | FR_MATCHCASE))
FIXME("Flags 0x%08lx not implemented\n", flags & ~(FR_DOWN | FR_MATCHCASE)); FIXME("Flags 0x%08lx not implemented\n", flags & ~(FR_DOWN | FR_MATCHCASE));
if (chrg->cpMax == -1)
{
nMin = chrg->cpMin; nMin = chrg->cpMin;
if (chrg->cpMax == -1)
nMax = ME_GetTextLength(editor); nMax = ME_GetTextLength(editor);
}
else else
nMax = chrg->cpMax;
/* 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))
{ {
nMin = min(chrg->cpMin, chrg->cpMax); int nSwap = nMax;
nMax = max(chrg->cpMin, chrg->cpMax);
nMax = nMin;
if (nMin < nSwap)
nMin = 0;
else
nMin = nSwap;
} }
if (!nLen || nMin < 0 || nMax < 0) if (!nLen || nMin < 0 || nMax < 0 || nMax < nMin)
{ {
if (chrgText) if (chrgText)
chrgText->cpMin = chrgText->cpMax = -1; chrgText->cpMin = chrgText->cpMax = -1;
......
...@@ -71,8 +71,8 @@ struct find_s find_tests2[] = { ...@@ -71,8 +71,8 @@ struct find_s find_tests2[] = {
{24, 31, "Wine", FR_DOWN | FR_MATCHCASE, 27, 0}, {24, 31, "Wine", FR_DOWN | FR_MATCHCASE, 27, 0},
/* Find backwards */ /* Find backwards */
{19, 20, "Wine", FR_MATCHCASE, 13, 1}, {19, 20, "Wine", FR_MATCHCASE, 13, 0},
{10, 20, "Wine", FR_MATCHCASE, 4, 1}, {10, 20, "Wine", FR_MATCHCASE, 4, 0},
{20, 10, "Wine", FR_MATCHCASE, 13, 0}, {20, 10, "Wine", FR_MATCHCASE, 13, 0},
/* Case-insensitive */ /* Case-insensitive */
...@@ -80,7 +80,7 @@ struct find_s find_tests2[] = { ...@@ -80,7 +80,7 @@ struct find_s find_tests2[] = {
{1, 31, "Wine", FR_DOWN, 4, 0}, {1, 31, "Wine", FR_DOWN, 4, 0},
/* High-to-low ranges */ /* 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}, {2, 1, "Wine", FR_DOWN, -1, 0},
{30, 29, "Wine", FR_DOWN, -1, 0}, {30, 29, "Wine", FR_DOWN, -1, 0},
{20, 5, "Wine", 0, 13, 0}, {20, 5, "Wine", 0, 13, 0},
...@@ -110,8 +110,8 @@ struct find_s find_tests2[] = { ...@@ -110,8 +110,8 @@ struct find_s find_tests2[] = {
/* The backwards case of bug 4479; bounds look right /* The backwards case of bug 4479; bounds look right
* Fails because backward find is wrong */ * Fails because backward find is wrong */
{19, 20, "WINE", FR_MATCHCASE, 0, 1}, {19, 20, "WINE", FR_MATCHCASE, 0, 0},
{0, 20, "WINE", FR_MATCHCASE, -1, 1} {0, 20, "WINE", FR_MATCHCASE, -1, 0}
}; };
static void check_EM_FINDTEXT(HWND hwnd, char *name, struct find_s *f, int id) { static void check_EM_FINDTEXT(HWND hwnd, char *name, struct find_s *f, int id) {
......
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