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agetty: make output more robust 

Signed-off-by: Karel Zak <kzak@redhat.com>
This commit is contained in:
Karel Zak 2018-10-11 13:29:39 +02:00
parent 980a6e431c
commit 056a370efb
1 changed files with 6 additions and 1 deletions
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7
term-utils/agetty.c
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@ -1790,20 +1790,25 @@ static void print_issue_file(struct issue *ie,
}
}
write_all(STDOUT_FILENO, ie->mem, ie->mem_sz);
if (ie->mem_sz)
write_all(STDOUT_FILENO, ie->mem, ie->mem_sz);
if (ie->do_tcrestore) {
/* Restore settings. */
tp->c_oflag = oflag;
/* Wait till output is gone. */
tcsetattr(STDIN_FILENO, TCSADRAIN, tp);
}
#ifdef AGETTY_RELOAD
free(ie->mem_old);
ie->mem_old = ie->mem;
ie->mem = NULL;
ie->mem_sz = 0;
#else
free(ie->mem);
ie->mem = NULL;
ie->mem_sz = 0;
#endif
}