mirror of
https://github.com/sheumann/hush.git
synced 2024-07-17 12:28:58 +00:00
7e0fbf9c26
works right on Linux, and anyway mayresult only on less-than-clear error message only, it will not cause tar to misbehave. function old new delta open_transformer 98 80 -18 writeTarFile 714 547 -167 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 0/2 up/down: 0/-185) Total: -185 bytes text data bss dec hex filename 770651 1051 10764 782466 bf082 busybox_old 770463 1051 10764 782278 befc6 busybox_unstripped
41 lines
822 B
C
41 lines
822 B
C
/* vi: set sw=4 ts=4: */
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/*
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* Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
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*/
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#include "libbb.h"
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#include "unarchive.h"
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/* transformer(), more than meets the eye */
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int open_transformer(int src_fd,
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USE_DESKTOP(long long) int (*transformer)(int src_fd, int dst_fd))
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{
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int fd_pipe[2];
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int pid;
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xpipe(fd_pipe);
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pid = fork();
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if (pid == -1) {
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bb_perror_msg_and_die("fork failed");
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}
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if (pid == 0) {
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/* child process */
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close(fd_pipe[0]); /* We don't wan't to read from the parent */
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// FIXME: error check?
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transformer(src_fd, fd_pipe[1]);
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if (ENABLE_FEATURE_CLEAN_UP) {
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close(fd_pipe[1]); /* Send EOF */
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close(src_fd);
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}
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exit(0);
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/* notreached */
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}
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/* parent process */
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close(fd_pipe[1]); /* Don't want to write to the child */
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return fd_pipe[0];
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}
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