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fix a possible free of a uninitialize variable in paste() - dmenu - dynamic menu |
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git clone git://git.suckless.org/dmenu |
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--- |
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commit 1cabeda5505dcc35d4d2ca2a09151a7c449fb401 |
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parent 41379f7c39e6aa0a17d7807b22b49ea148f5b0fa |
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Author: Hiltjo Posthuma <[email protected]> |
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Date: Fri, 3 Nov 2017 15:31:37 +0100 |
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fix a possible free of a uninitialize variable in paste() |
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Diffstat: |
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M dmenu.c | 10 ++++++---- |
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1 file changed, 6 insertions(+), 4 deletions(-) |
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--- |
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diff --git a/dmenu.c b/dmenu.c |
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@@ -467,10 +467,12 @@ paste(void) |
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Atom da; |
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/* we have been given the current selection, now insert it into input … |
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- XGetWindowProperty(dpy, win, utf8, 0, (sizeof text / 4) + 1, False, |
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- utf8, &da, &di, &dl, &dl, (unsigned char **)&p); |
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- insert(p, (q = strchr(p, '\n')) ? q - p : (ssize_t)strlen(p)); |
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- XFree(p); |
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+ if (XGetWindowProperty(dpy, win, utf8, 0, (sizeof text / 4) + 1, False, |
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+ utf8, &da, &di, &dl, &dl, (unsigned char **)&p) |
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+ == Success && p) { |
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+ insert(p, (q = strchr(p, '\n')) ? q - p : (ssize_t)strlen(p)); |
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+ XFree(p); |
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+ } |
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drawmenu(); |
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} |
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