diff options
Diffstat (limited to 'usr.bin/less/line.c')
| -rw-r--r-- | usr.bin/less/line.c | 22 |
1 files changed, 9 insertions, 13 deletions
diff --git a/usr.bin/less/line.c b/usr.bin/less/line.c index c39a639fef4..e8ce55ade3e 100644 --- a/usr.bin/less/line.c +++ b/usr.bin/less/line.c @@ -230,7 +230,7 @@ pshift(int shift) */ while (shifted <= shift && from < curr) { c = linebuf[from]; - if (ctldisp == OPT_ONPLUS && IS_CSI_START(c)) { + if (ctldisp == OPT_ONPLUS && c == ESC) { /* Keep cumulative effect. */ linebuf[to] = c; attr[to++] = attr[from++]; @@ -463,17 +463,16 @@ backc(void) static int in_ansi_esc_seq(void) { - char *p; + int i; /* * Search backwards for either an ESC (which means we ARE in a seq); * or an end char (which means we're NOT in a seq). */ - for (p = &linebuf[curr]; p > linebuf; ) { - LWCHAR ch = step_char(&p, -1, linebuf); - if (IS_CSI_START(ch)) + for (i = curr - 1; i >= 0; i--) { + if (linebuf[i] == ESC) return (1); - if (!is_ansi_middle(ch)) + if (!is_ansi_middle(linebuf[i])) return (0); } return (0); @@ -533,17 +532,14 @@ store_char(LWCHAR ch, char a, char *rep, off_t pos) if (ctldisp == OPT_ONPLUS && in_ansi_esc_seq()) { if (!is_ansi_end(ch) && !is_ansi_middle(ch)) { /* Remove whole unrecognized sequence. */ - char *p = &linebuf[curr]; - LWCHAR bch; do { - bch = step_char(&p, -1, linebuf); - } while (p > linebuf && !IS_CSI_START(bch)); - curr = p - linebuf; + curr--; + } while (curr > 0 && linebuf[curr] != ESC); return (0); } a = AT_ANSI; /* Will force re-AT_'ing around it. */ w = 0; - } else if (ctldisp == OPT_ONPLUS && IS_CSI_START(ch)) { + } else if (ctldisp == OPT_ONPLUS && ch == ESC) { a = AT_ANSI; /* Will force re-AT_'ing around it. */ w = 0; } else { @@ -851,7 +847,7 @@ do_append(LWCHAR ch, char *rep, off_t pos) } else if ((!utf_mode || is_ascii_char(ch)) && control_char((char)ch)) { do_control_char: if (ctldisp == OPT_ON || - (ctldisp == OPT_ONPLUS && IS_CSI_START(ch))) { + (ctldisp == OPT_ONPLUS && ch == ESC)) { /* * Output as a normal character. */ |