st

suckless terminal - with my changes
git clone https://pi.duncano.de/git/st.git
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commit 53105cf74fde46229912275c073f8c0f219b05bb
parent aa35bbd7a16c6c210a7574a8c45bbe939d5b2922
Author: Roberto E. Vargas Caballero <k0ga@shike2.com>
Date:   Sat, 26 Apr 2014 01:45:10 +0200

Remove repeated initialisation of term.esc

Once a sequence is completed term.esc must return to 0, so
instead of repeating this expression in all the cases is
better put it at the end of the block.

Diffstat:
st.c | 24++++++------------------
1 file changed, 6 insertions(+), 18 deletions(-)

diff --git a/st.c b/st.c @@ -2503,10 +2503,10 @@ tputc(char *c, int len) { csiparse(); csihandle(); } + return; } else if(term.esc & ESC_ALTCHARSET) { tdeftran(ascii); tselcs(); - term.esc = 0; } else if(term.esc & ESC_TEST) { if(ascii == '8') { /* DEC screen alignment test. */ char E[UTF_SIZ] = "E"; @@ -2517,15 +2517,14 @@ tputc(char *c, int len) { tsetchar(E, &term.c.attr, x, y); } } - term.esc = 0; } else { switch(ascii) { case '[': term.esc |= ESC_CSI; - break; + return; case '#': term.esc |= ESC_TEST; - break; + return; case 'P': /* DCS -- Device Control String */ case '_': /* APC -- Application Program Command */ case '^': /* PM -- Privacy Message */ @@ -2534,29 +2533,26 @@ tputc(char *c, int len) { strreset(); strescseq.type = ascii; term.esc |= ESC_STR; - break; + return; case '(': /* set primary charset G0 */ case ')': /* set secondary charset G1 */ case '*': /* set tertiary charset G2 */ case '+': /* set quaternary charset G3 */ term.icharset = ascii - '('; term.esc |= ESC_ALTCHARSET; - break; + return; case 'D': /* IND -- Linefeed */ if(term.c.y == term.bot) { tscrollup(term.top, 1); } else { tmoveto(term.c.x, term.c.y+1); } - term.esc = 0; break; case 'E': /* NEL -- Next line */ tnewline(1); /* always go to first col */ - term.esc = 0; break; case 'H': /* HTS -- Horizontal tab stop */ term.tabs[term.c.x] = 1; - term.esc = 0; break; case 'M': /* RI -- Reverse index */ if(term.c.y == term.top) { @@ -2564,46 +2560,38 @@ tputc(char *c, int len) { } else { tmoveto(term.c.x, term.c.y-1); } - term.esc = 0; break; case 'Z': /* DECID -- Identify Terminal */ ttywrite(VT102ID, sizeof(VT102ID) - 1); - term.esc = 0; break; case 'c': /* RIS -- Reset to inital state */ treset(); - term.esc = 0; xresettitle(); xloadcols(); break; case '=': /* DECPAM -- Application keypad */ term.mode |= MODE_APPKEYPAD; - term.esc = 0; break; case '>': /* DECPNM -- Normal keypad */ term.mode &= ~MODE_APPKEYPAD; - term.esc = 0; break; case '7': /* DECSC -- Save Cursor */ tcursor(CURSOR_SAVE); - term.esc = 0; break; case '8': /* DECRC -- Restore Cursor */ tcursor(CURSOR_LOAD); - term.esc = 0; break; case '\\': /* ST -- String Terminator */ if(term.esc & ESC_STR_END) strhandle(); - term.esc = 0; break; default: fprintf(stderr, "erresc: unknown sequence ESC 0x%02X '%c'\n", (uchar) ascii, isprint(ascii)? ascii:'.'); - term.esc = 0; break; } } + term.esc = 0; /* * All characters which form part of a sequence are not * printed