Add write I/O to file

This is a theorical feature listed in http://st.suckless.org/goals. All the
input/output of the terminal will be written to a file, which can be very
useful for debugging, and also allow interconnect st to other process
through named pipes.
---
 st.1 |    6 ++++++
 st.c |   14 +++++++++++++-
 2 files changed, 19 insertions(+), 1 deletion(-)
master
Roberto E. Vargas Caballero 10 years ago
parent cfefa054e8
commit a984ffc4cb
  1. 6
      st.1
  2. 14
      st.c

@ -10,6 +10,8 @@ st \- simple terminal
.RB [ \-w
.IR windowid ]
.RB [ \-v ]
.RB [ \-f
.IR file ]
.RB [ \-e
.IR command ...]
.SH DESCRIPTION
@ -30,6 +32,10 @@ embeds st within the window identified by
.B \-v
prints version information to stderr, then exits.
.TP
.BI \-f " file"
writes all the I/O to
.I file
.TP
.BI \-e " program " [ " arguments " "... ]"
st executes
.I program

14
st.c

@ -36,7 +36,7 @@
#define USAGE \
"st " VERSION " (c) 2010-2012 st engineers\n" \
"usage: st [-t title] [-c class] [-w windowid] [-v] [-e command...]\n"
"usage: st [-t title] [-c class] [-w windowid] [-v] [-f file] [-e command...]\n"
/* XEMBED messages */
#define XEMBED_FOCUS_IN 4
@ -342,7 +342,9 @@ static STREscape strescseq;
static int cmdfd;
static pid_t pid;
static Selection sel;
static FILE *fileio;
static char **opt_cmd = NULL;
static char *opt_io = NULL;
static char *opt_title = NULL;
static char *opt_embed = NULL;
static char *opt_class = NULL;
@ -776,6 +778,10 @@ ttynew(void) {
close(s);
cmdfd = m;
signal(SIGCHLD, sigchld);
if (opt_io && !(fileio = fopen(opt_io, "w"))) {
fprintf(stderr, "Error opening %s:%s",
opt_io, strerror(errno));
}
}
}
@ -1534,6 +1540,9 @@ tputtab(bool forward) {
void
tputc(char *c) {
char ascii = *c;
if (fileio)
putc(ascii, fileio);
if(term.esc & ESC_START) {
if(term.esc & ESC_CSI) {
csiescseq.buf[csiescseq.len++] = ascii;
@ -2269,6 +2278,9 @@ main(int argc, char *argv[]) {
case 'w':
if(++i < argc) opt_embed = argv[i];
break;
case 'f':
if (++i < argc) opt_io = argv[i];
break;
case 'e':
/* eat every remaining arguments */
if(++i < argc) opt_cmd = &argv[i];

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