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9term: fix getpts on FreeBSD 11.2 (#199)
Opening /dev/ptyXX files fails on recent FreeBSD versions. Following the same fix being applied to Linux, OpenBSD, and Darwin, we use openpty to open a pseudoterminal in openpts.
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#define getpts not_using_this_getpts
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#include "bsdpty.c"
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#undef getpts
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#include <libutil.h>
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int
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getpts(int fd[], char *slave)
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{
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if(openpty(&fd[1], &fd[0], NULL, NULL, NULL) >= 0){
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fchmod(fd[1], 0620);
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strcpy(slave, ttyname(fd[0]));
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return 0;
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}
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sysfatal("no ptys");
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return 0;
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}
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