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Fix overlapping detection. Fix an use after free. Fixes #41

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LemonBoy
2014-02-20 20:21:41 +00:00
parent b60e45ee08
commit 64a81bea0e
1 changed files with 9 additions and 6 deletions
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15
bar.c
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@@ -147,8 +147,6 @@ parse_color (const char *str, char **end, const uint32_t def)
ret = (nc_reply) ? nc_reply->pixel : def;
free(nc_reply);
printf("k?\n");
if (end)
*end = (char *)str + str_len;
@@ -455,11 +453,12 @@ get_randr_monitors (void)
num = xcb_randr_get_screen_resources_current_outputs_length(rres_reply);
outputs = xcb_randr_get_screen_resources_current_outputs(rres_reply);
free(rres_reply);
/* There should be at least one output */
if (num < 1)
if (num < 1) {
free(rres_reply);
return;
}
xcb_rectangle_t rects[num];
@@ -483,6 +482,7 @@ get_randr_monitors (void)
if (!ci_reply) {
fprintf(stderr, "Failed to get RandR ctrc info\n");
free(rres_reply);
return;
}
@@ -496,6 +496,8 @@ get_randr_monitors (void)
valid++;
}
free(rres_reply);
/* Check for clones and inactive outputs */
for (int i = 0; i < num; i++) {
if (rects[i].width == 0)
@@ -503,9 +505,10 @@ get_randr_monitors (void)
for (int j = 0; j < num; j++) {
/* Does I countain J ? */
if (i != j && rects[j].width) {
if (rects[j].x >= rects[i].x && rects[j].x <= rects[i].x + rects[j].width &&
rects[j].y >= rects[i].y && rects[j].y <= rects[i].y + rects[i].height) {
if (rects[j].x >= rects[i].x && rects[j].x + rects[j].width <= rects[i].x + rects[i].width &&
rects[j].y >= rects[i].y && rects[j].y + rects[j].height <= rects[i].y + rects[i].height) {
rects[j].width = 0;
valid--;
}