mirror of
https://github.com/9fans/plan9port.git
synced 2025-01-15 11:20:03 +00:00
52 lines
830 B
C
52 lines
830 B
C
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#include <u.h>
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#include <libc.h>
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#include "term.h"
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int
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rcstart(int argc, char **argv, int *pfd)
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{
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int pid;
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int fd[2];
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char *xargv[3];
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char slave[256];
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int sfd;
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if(argc == 0){
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argc = 2;
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argv = xargv;
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argv[0] = getenv("SHELL");
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if(argv[0] == 0)
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argv[0] = "rc";
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argv[1] = "-i";
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argv[2] = 0;
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}
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/*
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* fd0 is slave (tty), fd1 is master (pty)
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*/
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fd[0] = fd[1] = -1;
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if(getpts(fd, slave) < 0)
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fprint(2, "getpts: %r\n");
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switch(pid = fork()) {
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case 0:
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putenv("TERM", "9term");
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sfd = childpty(fd, slave);
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dup(sfd, 0);
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dup(sfd, 1);
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dup(sfd, 2);
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system("stty tabs -onlcr -echo erase ^h intr ^?");
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execvp(argv[0], argv);
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fprint(2, "exec %s failed: %r\n", argv[0]);
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_exits("oops");
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break;
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case -1:
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sysfatal("proc failed: %r");
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break;
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}
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close(fd[0]);
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*pfd = fd[1];
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return pid;
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}
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