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[buf] Ensure section name do not overflow buffer

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IFF section name will become 127+ symbols length,
overflow of buffer is possible. Ensure buffer is
always zero-terminated and no overrun occured.
This commit is contained in:
Tsarevich Dmitry 2020-02-23 21:19:03 +03:00
parent e892c58334
commit 802f7d7523
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1 changed files with 5 additions and 2 deletions
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7
src/ui.c
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@ -563,8 +563,11 @@ void SetSectionHeaders(HWND hDlg)
memset(wtmp, 0, sizeof(wtmp)); memset(wtmp, 0, sizeof(wtmp));
GetWindowTextW(hCtrl, wtmp, ARRAYSIZE(wtmp)); GetWindowTextW(hCtrl, wtmp, ARRAYSIZE(wtmp));
wlen = wcslen(wtmp); wlen = wcslen(wtmp);
wtmp[wlen++] = L' '; if (wlen < ARRAYSIZE(wtmp) - 1)
wtmp[wlen++] = L' '; wtmp[wlen++] = L' ';
if (wlen < ARRAYSIZE(wtmp) - 1)
wtmp[wlen++] = L' ';
wtmp[ARRAYSIZE(wtmp) - 1] = L'\0';
SetWindowTextW(hCtrl, wtmp); SetWindowTextW(hCtrl, wtmp);
GetWindowRect(hCtrl, &rc); GetWindowRect(hCtrl, &rc);
MapWindowPoints(NULL, hDlg, (POINT*)&rc, 2); MapWindowPoints(NULL, hDlg, (POINT*)&rc, 2);