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Fix ls closing stdout twice.

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This commit is contained in:
Jonas 'Sortie' Termansen 2015-05-12 22:03:33 +02:00
parent f3e4be0d83
commit 1d7c157848
1 changed files with 12 additions and 4 deletions
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16
utils/ls.cpp
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@ -1,6 +1,6 @@
/*******************************************************************************
Copyright(C) Jonas 'Sortie' Termansen 2011, 2012, 2013, 2014.
Copyright(C) Jonas 'Sortie' Termansen 2011, 2012, 2013, 2014, 2015.
This program is free software: you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the Free
@ -54,6 +54,7 @@ bool option_show_dotdot = false;
bool option_show_dotfiles = false;
bool option_time_modified = false;
int stdout_copy_fd;
pid_t child_pid;
static struct dirent* dirent_dup(struct dirent* entry)
@ -65,18 +66,24 @@ static struct dirent* dirent_dup(struct dirent* entry)
return copy;
}
void finish_output()
bool finish_output()
{
bool result = true;
int errnum = errno;
fflush(stdout);
if ( fflush(stdout) == EOF )
result = false;
if ( child_pid )
{
int status;
close(1);
wait(&status);
dup2(stdout_copy_fd, 1);
waitpid(child_pid, &status, 0);
child_pid = 0;
if ( !WIFEXITED(status) || WEXITSTATUS(status) != 0 )
result = false;
}
errno = errnum;
return result;
}
void ls_error(int status, int errnum, const char* format, ...)
@ -542,6 +549,7 @@ int main(int argc, char** argv)
error(1, errno, "fork");
if ( child_pid )
{
stdout_copy_fd = dup(1);
close(1);
dup(pipes[1]);
close(pipes[0]);