forked from enlightenment/efl
fix randr segv's waiting to happen. bad mem managment :(
SVN revision: 70951
This commit is contained in:
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b0907e89b8
commit
262e8118b7
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@ -640,3 +640,8 @@
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2012-05-10 Jiyoun Park
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* Send mouse move event before mouse down event in ecore_extn
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2012-05-13 Carsten Haitzler (The Rasterman)
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* Fix ecore-x randr issues with memory access when building
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output arrays which are memory segv bugs waiting to crash.
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@ -1628,7 +1628,7 @@ ecore_x_randr_window_crtcs_get(Ecore_X_Window window,
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root = ecore_x_window_root_get(window);
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crtcs = ecore_x_randr_crtcs_get(root, &ncrtcs);
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if (!crtcs) return NULL;
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if (!crtcs) goto _ecore_x_randr_window_crtcs_get_fail;
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/* now get window RELATIVE to root window - thats what matters. */
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cookie = xcb_translate_coordinates(_ecore_xcb_conn, window, root, 0, 0);
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@ -1637,6 +1637,12 @@ ecore_x_randr_window_crtcs_get(Ecore_X_Window window,
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w_geo.y = trans->dst_y;
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free(trans);
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ret = calloc(1, ncrtcs * sizeof(Ecore_X_Randr_Crtc));
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if (!ret)
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{
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free(crtcs);
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goto _ecore_x_randr_window_crtcs_get_fail;
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}
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for (i = 0, nret = 0; i < ncrtcs; i++)
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{
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/* if crtc is not enabled, don't bother about it any further */
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@ -1647,9 +1653,8 @@ ecore_x_randr_window_crtcs_get(Ecore_X_Window window,
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&c_geo.w, &c_geo.h);
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if (eina_rectangles_intersect(&w_geo, &c_geo))
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{
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ret = realloc(ret, (++nret *
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sizeof(Ecore_X_Randr_Output)));
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ret[nret] = crtcs[i];
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nret++;
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}
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}
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free(crtcs);
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@ -1657,6 +1662,7 @@ ecore_x_randr_window_crtcs_get(Ecore_X_Window window,
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if (num) *num = nret;
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return ret;
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_ecore_x_randr_window_crtcs_get_fail:
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#endif
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if (num) *num = 0;
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return NULL;
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@ -2442,7 +2448,7 @@ ecore_x_randr_window_outputs_get(Ecore_X_Window window,
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#ifdef ECORE_XCB_RANDR
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Ecore_X_Window root;
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Ecore_X_Randr_Crtc *crtcs;
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Ecore_X_Randr_Output *outputs, *ret = NULL;
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Ecore_X_Randr_Output *outputs, *ret = NULL, *tret;
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int ncrtcs, noutputs, i, nret = 0;
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#endif
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@ -2465,10 +2471,13 @@ ecore_x_randr_window_outputs_get(Ecore_X_Window window,
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&noutputs);
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if (!outputs)
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goto _ecore_x_randr_current_output_get_fail_free;
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nret += noutputs;
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ret = realloc(ret, (nret * sizeof(Ecore_X_Randr_Output)));
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tret = realloc(ret, ((nret + noutputs) * sizeof(Ecore_X_Randr_Output)));
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if (!tret) goto _ecore_x_randr_current_output_get_fail_free;
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ret = tret;
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memcpy(&ret[nret], outputs, (noutputs * sizeof(Ecore_X_Randr_Output)));
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nret += noutputs;
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free(outputs);
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outputs = NULL;
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}
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free(crtcs);
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@ -596,6 +596,12 @@ ecore_x_randr_window_crtcs_get(Ecore_X_Window window,
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w_geo.x = rx;
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w_geo.y = ry;
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ret = calloc(1, ncrtcs * sizeof(Ecore_X_Randr_Crtc));
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if (!ret)
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{
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free(crtcs);
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goto _ecore_x_randr_window_crtcs_get_fail;
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}
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for (i = 0, nret = 0; i < ncrtcs; i++)
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{
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/* if crtc is not enabled, don't bother about it any further */
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@ -607,8 +613,8 @@ ecore_x_randr_window_crtcs_get(Ecore_X_Window window,
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&c_geo.w, &c_geo.h);
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if (eina_rectangles_intersect(&w_geo, &c_geo))
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{
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ret = realloc(ret, (sizeof(Ecore_X_Randr_Crtc) * ++nret));
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ret[nret] = crtcs[i];
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nret++;
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}
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}
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free(crtcs);
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@ -2337,7 +2343,7 @@ ecore_x_randr_window_outputs_get(Ecore_X_Window window,
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#ifdef ECORE_XRANDR
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Ecore_X_Window root;
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Ecore_X_Randr_Crtc *crtcs;
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Ecore_X_Randr_Output *outputs, *ret = NULL;
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Ecore_X_Randr_Output *outputs, *ret = NULL, *tret;
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int ncrtcs, noutputs, i, nret = 0;
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if (_randr_version < RANDR_1_2) goto _ecore_x_randr_current_output_get_fail;
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@ -2353,10 +2359,13 @@ ecore_x_randr_window_outputs_get(Ecore_X_Window window,
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&noutputs);
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if (!outputs)
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goto _ecore_x_randr_current_output_get_fail_free;
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nret += noutputs;
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ret = realloc(ret, (nret * sizeof(Ecore_X_Randr_Output)));
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tret = realloc(ret, ((nret + noutputs) * sizeof(Ecore_X_Randr_Output)));
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if (!tret) goto _ecore_x_randr_current_output_get_fail_free;
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ret = tret;
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memcpy(&ret[nret], outputs, (noutputs * sizeof(Ecore_X_Randr_Output)));
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nret += noutputs;
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free(outputs);
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outputs = NULL;
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}
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free(crtcs);
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