Last change
on this file since 986 was 821, checked in by Bruno Cornec, 18 years ago |
Addition of busybox 1.2.1 as a mindi-busybox new package
This should avoid delivering binary files in mindi not built there (Fedora and Debian are quite serious about that)
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File size:
826 bytes
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[821] | 1 | /*
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| 2 | * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
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| 3 | */
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| 4 |
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| 5 | #include <stdlib.h>
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| 6 | #include <unistd.h>
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| 7 |
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| 8 | #include "libbb.h"
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| 9 |
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| 10 | #include "unarchive.h"
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| 11 |
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| 12 | /* transformer(), more than meets the eye */
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| 13 | int open_transformer(int src_fd, int (*transformer)(int src_fd, int dst_fd))
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| 14 | {
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| 15 | int fd_pipe[2];
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| 16 | int pid;
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| 17 |
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| 18 | if (pipe(fd_pipe) != 0) {
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| 19 | bb_perror_msg_and_die("Can't create pipe");
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| 20 | }
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| 21 |
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| 22 | pid = fork();
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| 23 | if (pid == -1) {
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| 24 | bb_perror_msg_and_die("Fork failed");
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| 25 | }
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| 26 |
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| 27 | if (pid == 0) {
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| 28 | /* child process */
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| 29 | close(fd_pipe[0]); /* We don't wan't to read from the parent */
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| 30 | transformer(src_fd, fd_pipe[1]);
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| 31 | close(fd_pipe[1]); /* Send EOF */
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| 32 | close(src_fd);
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| 33 | exit(0);
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| 34 | /* notreached */
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| 35 | }
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| 36 |
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| 37 | /* parent process */
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| 38 | close(fd_pipe[1]); /* Don't want to write to the child */
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| 39 |
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| 40 | return(fd_pipe[0]);
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| 41 | }
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