Apply externalpipe patch to default. - st - Simple Terminal
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---
(DIR) commit c5087aac7bbdbffd5a26a578fb1f401b48b91bf1
(DIR) parent c63a87cd936c1eeef14c4c21572e5b782d3df4bc
(HTM) Author: Christoph Lohmann <20h@r-36.net>
Date: Sun, 19 Feb 2017 16:45:51 +0100
Apply externalpipe patch to default.
Diffstat:
st.c | 57 +++++++++++++++++++++++++++++++
1 file changed, 57 insertions(+), 0 deletions(-)
---
(DIR) diff --git a/st.c b/st.c
@@ -344,6 +344,7 @@ static void printscreen(const Arg *) ;
static void iso14755(const Arg *);
static void toggleprinter(const Arg *);
static void sendbreak(const Arg *);
+static void externalpipe(const Arg *);
/* Config.h for applying patches and the configuration. */
#include "config.h"
@@ -2996,6 +2997,62 @@ eschandle(uchar ascii)
}
void
+externalpipe(const Arg *arg)
+{
+ int to[2]; /* 0 = read, 1 = write */
+ pid_t child;
+ int n;
+ void (*oldsigpipe)(int);
+ char buf[UTF_SIZ];
+ Glyph *bp, *end;
+
+ if(pipe(to) == -1)
+ return;
+
+ /* sigchld() handles this */
+ switch(child = fork()){
+ case -1:
+ close(to[0]), close(to[1]);
+ return;
+ case 0:
+ /* child */
+ close(to[1]);
+ dup2(to[0], STDIN_FILENO); /* 0<&to */
+ close(to[0]);
+ execvp(
+ "sh",
+ (char *const []){
+ "/bin/sh",
+ "-c",
+ (char *)arg->v,
+ 0
+ });
+ exit(127);
+ }
+
+ /* parent */
+ close(to[0]);
+ /* ignore sigpipe for now, in case child exits early */
+ oldsigpipe = signal(SIGPIPE, SIG_IGN);
+
+ for(n = 0; n < term.row; n++){
+ bp = &term.line[n][0];
+ end = &bp[MIN(tlinelen(n), term.col) - 1];
+ if(bp != end || bp->u != ' ')
+ for(; bp <= end; ++bp)
+ if(xwrite(to[1], buf, utf8encode(bp->u, buf)) < 0)
+ break;
+ if(xwrite(to[1], "\n", 1) < 0)
+ break;
+ }
+
+ close(to[1]);
+
+ /* restore */
+ signal(SIGPIPE, oldsigpipe);
+}
+
+void
ttputc(Rune u)
{
char c[UTF_SIZ];