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authorRoberto E. Vargas Caballero <k0ga@shike2.com>2012-09-03 21:52:21 +0200
committerRoberto E. Vargas Caballero <k0ga@shike2.com>2012-09-03 21:52:21 +0200
commita984ffc4cb755c6dcdbc153b2591dca0ae6a8ead (patch)
tree393e05c204a8a5c9153f358eecc40b0f79b6c827
parentcfefa054e80afa22d6948bf997a6818e778801f6 (diff)
downloadst-a984ffc4cb755c6dcdbc153b2591dca0ae6a8ead.tar.gz
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(-)
-rw-r--r--st.16
-rw-r--r--st.c14
2 files changed, 19 insertions, 1 deletions
diff --git a/st.1 b/st.1
index b6c119f..931b481 100644
--- a/st.1
+++ b/st.1
@@ -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
diff --git a/st.c b/st.c
index bd230a3..fde0493 100644
--- a/st.c
+++ b/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];