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Fix console history buffer wrapping

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Andrei Drexler 2022-07-13 00:55:38 +03:00 committed by Ozkan Sezer
parent f10c33ad06
commit f6a15400ba
1 changed files with 6 additions and 6 deletions
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12
Quake/keys.c
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@ -256,8 +256,8 @@ void Key_Console (int key)
// If the last two lines are identical, skip storing this line in history // If the last two lines are identical, skip storing this line in history
// by not incrementing edit_line // by not incrementing edit_line
if (strcmp(workline, key_lines[(edit_line-1)&31])) if (strcmp(workline, key_lines[(edit_line - 1) & (CMDLINES - 1)]))
edit_line = (edit_line + 1) & 31; edit_line = (edit_line + 1) & (CMDLINES - 1);
history_line = edit_line; history_line = edit_line;
key_lines[edit_line][0] = ']'; key_lines[edit_line][0] = ']';
@ -355,11 +355,11 @@ void Key_Console (int key)
len = strlen(workline); len = strlen(workline);
if ((int)len == key_linepos) if ((int)len == key_linepos)
{ {
len = strlen(key_lines[(edit_line + 31) & 31]); len = strlen(key_lines[(edit_line + (CMDLINES - 1)) & (CMDLINES - 1)]);
if ((int)len <= key_linepos) if ((int)len <= key_linepos)
return; // no character to get return; // no character to get
workline += key_linepos; workline += key_linepos;
*workline = key_lines[(edit_line + 31) & 31][key_linepos]; *workline = key_lines[(edit_line + (CMDLINES - 1)) & (CMDLINES - 1)][key_linepos];
workline[1] = 0; workline[1] = 0;
key_linepos++; key_linepos++;
} }
@ -377,7 +377,7 @@ void Key_Console (int key)
history_line_last = history_line; history_line_last = history_line;
do do
{ {
history_line = (history_line - 1) & 31; history_line = (history_line - 1) & (CMDLINES - 1);
} while (history_line != edit_line && !key_lines[history_line][1]); } while (history_line != edit_line && !key_lines[history_line][1]);
if (history_line == edit_line) if (history_line == edit_line)
@ -400,7 +400,7 @@ void Key_Console (int key)
do do
{ {
history_line = (history_line + 1) & 31; history_line = (history_line + 1) & (CMDLINES - 1);
} while (history_line != edit_line && !key_lines[history_line][1]); } while (history_line != edit_line && !key_lines[history_line][1]);
if (history_line == edit_line) if (history_line == edit_line)