tab-complete: figure out the size before copying
we already need to know the string length since `cursor` needs to be adjusted. so just calculate the length beforehand and use `memcpy` to copy exactly as much as needed (as opposed to `strncpy` which always writes `n` bytes).
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dmenu.c
4
dmenu.c
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@ -517,9 +517,9 @@ insert:
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case XK_Tab:
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case XK_Tab:
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if (!sel)
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if (!sel)
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return;
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return;
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strncpy(text, sel->text, sizeof text - 1);
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cursor = strnlen(sel->text, sizeof text - 1);
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memcpy(text, sel->text, cursor);
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text[sizeof text - 1] = '\0';
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text[sizeof text - 1] = '\0';
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cursor = strlen(text);
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match();
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match();
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break;
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break;
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}
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}
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