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Merge pull request #82 from kl4ng/master
down arrow returns empty string if at end of history
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commit
5867f1a672
@ -120,19 +120,21 @@ void add_line_to_hist(const wchar_t *buf, size_t len, wchar_t (*hst)[MAX_STR_SIZ
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}
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/* copies history item at hst_pos to buf. Sets pos and len to the len of the history item.
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hst_pos is decremented or incremented depending on key_dir. */
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hst_pos is decremented or incremented depending on key_dir.
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resets buffer if at end of history */
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void fetch_hist_item(wchar_t *buf, size_t *pos, size_t *len, wchar_t (*hst)[MAX_STR_SIZE],
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int hst_tot, int *hst_pos, int key_dir)
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{
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if (key_dir == LN_HIST_MV_UP) {
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if (--(*hst_pos) < 0) {
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++(*hst_pos);
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(*hst_pos) = 0;
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beep();
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}
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} else {
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if (++(*hst_pos) >= hst_tot) {
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--(*hst_pos);
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beep();
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(*hst_pos) = hst_tot;
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reset_buf(buf, pos, len);
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return;
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}
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}
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