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Properly clear the last entered character - slock - simple X display locker uti… |
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git clone git://git.suckless.org/slock |
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commit 35633d45672d14bd798c478c45d1a17064701aa9 |
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parent 2d2a21a90ad1b53594b1b90b97486189ec54afce |
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Author: Tobias Stoeckmann <[email protected]> |
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Date: Sat, 25 Mar 2017 21:16:01 +0100 |
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Properly clear the last entered character |
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When enter is pressed, passwd[len] will be set to '\0'. Pressing |
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backspace is supposed to remove the last entered character. |
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But currently, the clearing has an off-by-one, as in setting |
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passwd[len] to '\0' just like enter would do. |
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You can also verify it by imagining len=1 and that it's impossible to |
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clear passwd[0] by pressing backspace with the current code. |
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Signed-off-by: Tobias Stoeckmann <[email protected]> |
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Diffstat: |
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M slock.c | 2 +- |
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1 file changed, 1 insertion(+), 1 deletion(-) |
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--- |
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diff --git a/slock.c b/slock.c |
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@@ -177,7 +177,7 @@ readpw(Display *dpy, struct xrandr *rr, struct lock **locks… |
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break; |
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case XK_BackSpace: |
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if (len) |
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- passwd[len--] = '\0'; |
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+ passwd[--len] = '\0'; |
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break; |
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default: |
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if (num && !iscntrl((int)buf[0]) && |
