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fix gcc 7 warnings in pipe routines

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This commit is contained in:
William Hubbs 2018-06-19 13:59:16 -05:00
parent 8a945194af
commit 47e4bfae57
1 changed files with 6 additions and 7 deletions
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13
src/rc/rc-pipes.c
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@ -37,21 +37,20 @@ int rc_pipe_command(char *cmd)
return -1;
pid = fork();
if (pid < 0)
return -1;
else if (pid > 0) {
if (pid > 0) {
/* parent */
close(pfd[0]);
close(pfd[pipe_read_end]);
return pfd[pipe_write_end];
} else if (pid == 0) {
/* child */
close(pfd[pipe_write_end]);
if (pfd[0] != STDIN_FILENO) {
if (dup2(pfd[0], STDIN_FILENO) < 0)
if (pfd[pipe_read_end] != STDIN_FILENO) {
if (dup2(pfd[pipe_read_end], STDIN_FILENO) < 0)
exit(1);
close(pfd[0]);
close(pfd[pipe_read_end]);
}
execl("/bin/sh", "sh", "-c", cmd, NULL);
exit(1);
}
return -1;
}