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GUAC-726: Fix width calculation math. Do not search for start past column 0.

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This commit is contained in:
Michael Jumper 2014-06-05 12:13:05 -07:00
parent 99cef299f1
commit 98a18f45c4
1 changed files with 3 additions and 3 deletions
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6
src/terminal/terminal.c
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@ -83,13 +83,13 @@ static void __guac_terminal_force_break(guac_terminal* terminal, int row, int ed
guac_terminal_char* start_char = &(buffer_row->characters[start_column]); guac_terminal_char* start_char = &(buffer_row->characters[start_column]);
/* Determine start column */ /* Determine start column */
while (start_column >= 0 && start_char->value == GUAC_CHAR_CONTINUATION) { while (start_column > 0 && start_char->value == GUAC_CHAR_CONTINUATION) {
start_char--; start_char--;
start_column--; start_column--;
} }
/* Clear character if broken */ /* Clear character if broken */
if (start_char->value == GUAC_CHAR_CONTINUATION || start_char->width != start_column - end_column + 1) { if (start_char->value == GUAC_CHAR_CONTINUATION || start_char->width != end_column - start_column + 1) {
guac_terminal_char cleared_char; guac_terminal_char cleared_char;
cleared_char.value = ' '; cleared_char.value = ' ';
@ -118,7 +118,7 @@ static void __guac_terminal_force_break(guac_terminal* terminal, int row, int ed
} }
/* Clear character if broken */ /* Clear character if broken */
if (start_char->value == GUAC_CHAR_CONTINUATION || start_char->width != start_column - end_column + 1) { if (start_char->value == GUAC_CHAR_CONTINUATION || start_char->width != end_column - start_column + 1) {
guac_terminal_char cleared_char; guac_terminal_char cleared_char;
cleared_char.value = ' '; cleared_char.value = ' ';