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auxdisplay: charlcd: use null character instead of zero literal to terminate strings 

Using '\0' instead of plain 0 makes the intent clearer that this is
indeed a string and not a series of integers.

Signed-off-by: Robert Abel <rabel@robertabel.eu>
Signed-off-by: Miguel Ojeda <miguel.ojeda.sandonis@gmail.com>
This commit is contained in:
Robert Abel 2018-02-10 00:50:11 +01:00 committed by Miguel Ojeda
parent 54bc937f0c
commit 8c483758af
1 changed files with 2 additions and 2 deletions
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4
drivers/auxdisplay/charlcd.c
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@ -528,7 +528,7 @@ static void charlcd_write_char(struct charlcd *lcd, char c)
if ((c != '\n') && priv->esc_seq.len >= 0) {
/* yes, let's add this char to the buffer */
priv->esc_seq.buf[priv->esc_seq.len++] = c;
priv->esc_seq.buf[priv->esc_seq.len] = 0;
priv->esc_seq.buf[priv->esc_seq.len] = '\0';
} else {
/* aborts any previous escape sequence */
priv->esc_seq.len = -1;
@ -537,7 +537,7 @@ static void charlcd_write_char(struct charlcd *lcd, char c)
case LCD_ESCAPE_CHAR:
/* start of an escape sequence */
priv->esc_seq.len = 0;
priv->esc_seq.buf[priv->esc_seq.len] = 0;
priv->esc_seq.buf[priv->esc_seq.len] = '\0';
break;
case '\b':
/* go back one char and clear it */