https://github.com/python/cpython
- HEAD
- refs/heads/3.10
- refs/heads/3.6
- refs/heads/3.7
- refs/heads/3.8
- refs/heads/3.9
- refs/heads/bpo-45514/deprecate-importlib-resources-legacy
- refs/heads/buildbot-custom
- refs/heads/main
- refs/heads/revert-29124-bpo-44019
- refs/tags/v0.9.8
- refs/tags/v0.9.9
- refs/tags/v1.0.1
- refs/tags/v1.0.2
- refs/tags/v1.1
- refs/tags/v1.1.1
- refs/tags/v1.2
- refs/tags/v1.2b1
- refs/tags/v1.2b2
- refs/tags/v1.2b3
- refs/tags/v1.2b4
- refs/tags/v1.3
- refs/tags/v1.3b1
- refs/tags/v1.4
- refs/tags/v1.4b1
- refs/tags/v1.4b2
- refs/tags/v1.4b3
- refs/tags/v1.5
- refs/tags/v1.5.1
- refs/tags/v1.5.2
- refs/tags/v1.5.2a1
- refs/tags/v1.5.2a2
- refs/tags/v1.5.2b1
- refs/tags/v1.5.2b2
- refs/tags/v1.5.2c1
- refs/tags/v1.5a1
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- refs/tags/v1.5b1
- refs/tags/v1.5b2
- refs/tags/v1.6a1
- refs/tags/v1.6a2
- refs/tags/v2.0
- refs/tags/v2.0.1
- refs/tags/v2.0.1c1
- refs/tags/v2.0b1
- refs/tags/v2.0b2
- refs/tags/v2.0c1
- refs/tags/v2.1
- refs/tags/v2.1.1
- refs/tags/v2.1.1c1
- refs/tags/v2.1.2
- refs/tags/v2.1.2c1
- refs/tags/v2.1.3
- refs/tags/v2.1a1
- refs/tags/v2.1a2
- refs/tags/v2.1b1
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- refs/tags/v2.1c1
- refs/tags/v2.1c2
- refs/tags/v2.2
- refs/tags/v2.2.1
- refs/tags/v2.2.1c1
- refs/tags/v2.2.1c2
- refs/tags/v2.2.2
- refs/tags/v2.2.2b1
- refs/tags/v2.2.3
- refs/tags/v2.2.3c1
- refs/tags/v2.2a3
- refs/tags/v2.3.1
- refs/tags/v2.3.2
- refs/tags/v2.3.2c1
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- refs/tags/v2.3.3c1
- refs/tags/v2.3.4
- refs/tags/v2.3.4c1
- refs/tags/v2.3.5
- refs/tags/v2.3.5c1
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- refs/tags/v2.3.6c1
- refs/tags/v2.3.7
- refs/tags/v2.3.7c1
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- refs/tags/v2.4
- refs/tags/v2.4.1
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- refs/tags/v2.4.2
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- refs/tags/v2.4.5c1
- refs/tags/v2.4.6
- refs/tags/v2.4.6c1
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- refs/tags/v2.4a3
- refs/tags/v2.4b1
- refs/tags/v2.4b2
- refs/tags/v2.4c1
- refs/tags/v2.5
- refs/tags/v2.5.1
- refs/tags/v2.5.1c1
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- refs/tags/v2.5.2c1
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- refs/tags/v2.6
- refs/tags/v2.6.1
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- refs/tags/v2.6.5
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- refs/tags/v2.6.6
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- refs/tags/v2.7.7
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- refs/tags/v2.7.8
- refs/tags/v2.7.9
- refs/tags/v2.7.9rc1
- refs/tags/v2.7a1
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- refs/tags/v2.7a4
- refs/tags/v2.7b1
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- refs/tags/v2.7rc1
- refs/tags/v2.7rc2
- refs/tags/v3.0
- refs/tags/v3.0.1
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- refs/tags/v3.0b1
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- refs/tags/v3.1
- refs/tags/v3.1.1
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- refs/tags/v3.1a1
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- refs/tags/v3.2
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- refs/tags/v3.2.1b1
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- refs/tags/v3.3.0a1
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- refs/tags/v3.3.0b1
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- refs/tags/v3.3.0rc1
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- refs/tags/v3.3.0rc3
- refs/tags/v3.3.1
- refs/tags/v3.3.1rc1
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- refs/tags/v3.3.3
- refs/tags/v3.3.3rc1
- refs/tags/v3.3.3rc2
- refs/tags/v3.3.4
- refs/tags/v3.3.4rc1
- refs/tags/v3.3.5
- refs/tags/v3.3.5rc1
- refs/tags/v3.3.5rc2
- refs/tags/v3.3.6
- refs/tags/v3.3.6rc1
- refs/tags/v3.4.0
- refs/tags/v3.4.0a1
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- refs/tags/v3.4.0b1
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- refs/tags/v3.4.1
- refs/tags/v3.4.1rc1
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- refs/tags/v3.4.2rc1
- refs/tags/v3.4.3
- refs/tags/v3.4.3rc1
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- refs/tags/v3.4.4rc1
- refs/tags/v3.4.5
- refs/tags/v3.4.5rc1
- refs/tags/v3.4.6
- refs/tags/v3.4.6rc1
- refs/tags/v3.5.0
- refs/tags/v3.5.0a1
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- refs/tags/v3.5.0a4
- refs/tags/v3.5.0b1
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- refs/tags/v3.5.0rc1
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- refs/tags/v3.5.0rc3
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- refs/tags/v3.5.1
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- refs/tags/v3.5.2
- refs/tags/v3.5.2rc1
- refs/tags/v3.5.3
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- refs/tags/v3.6.0
- refs/tags/v3.6.0a1
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- refs/tags/v3.6.0b4
- refs/tags/v3.6.0rc1
- refs/tags/v3.6.0rc2
- refs/tags/v3.9.0a1
- refs/tags/v3.9.0a6
- v3.9.7
- v3.9.6
- v3.9.5
- v3.9.4
- v3.9.3
- v3.9.2rc1
- v3.9.2
- v3.9.1rc1
- v3.9.1
- v3.9.0rc2
- v3.9.0rc1
- v3.9.0b5
- v3.9.0b4
- v3.9.0b3
- v3.9.0b2
- v3.9.0b1
- v3.9.0a5
- v3.9.0a4
- v3.9.0a3
- v3.9.0a2
- v3.9.0
- v3.8.9
- v3.8.8rc1
- v3.8.8
- v3.8.7rc1
- v3.8.7
- v3.8.6rc1
- v3.8.6
- v3.8.5
- v3.8.4rc1
- v3.8.4
- v3.8.3rc1
- v3.8.3
- v3.8.2rc2
- v3.8.2rc1
- v3.8.2
- v3.8.1rc1
- v3.8.12
- v3.8.11
- v3.8.10
- v3.8.1
- v3.8.0rc1
- v3.8.0b4
- v3.8.0b3
- v3.8.0b2
- v3.8.0b1
- v3.8.0a4
- v3.8.0a3
- v3.8.0a2
- v3.8.0a1
- v3.8.0
- v3.7.9
- v3.7.8rc1
- v3.7.8
- v3.7.7rc1
- v3.7.7
- v3.7.6rc1
- v3.7.6
- v3.7.5rc1
- v3.7.5
- v3.7.4rc2
- v3.7.4rc1
- v3.7.4
- v3.7.3rc1
- v3.7.3
- v3.7.2rc1
- v3.7.2
- v3.7.1rc2
- v3.7.1rc1
- v3.7.12
- v3.7.11
- v3.7.10
- v3.7.1
- v3.7.0rc1
- v3.7.0b5
- v3.7.0b4
- v3.7.0b3
- v3.7.0b2
- v3.7.0b1
- v3.7.0a4
- v3.7.0a3
- v3.7.0a2
- v3.7.0a1
- v3.7.0
- v3.6.9rc1
- v3.6.9
- v3.6.8rc1
- v3.6.8
- v3.6.7rc2
- v3.6.7rc1
- v3.6.7
- v3.6.6rc1
- v3.6.6
- v3.6.5rc1
- v3.6.5
- v3.6.4rc1
- v3.6.4
- v3.6.3rc1
- v3.6.3
- v3.6.2rc2
- v3.6.2rc1
- v3.6.2
- v3.6.1rc1
- v3.6.15
- v3.6.14
- v3.6.13
- v3.6.12
- v3.6.11rc1
- v3.6.11
- v3.6.10rc1
- v3.6.10
- v3.6.1
- v3.5.9
- v3.5.8rc2
- v3.5.8rc1
- v3.5.8
- v3.5.7rc1
- v3.5.7
- v3.5.6rc1
- v3.5.6
- v3.5.5rc1
- v3.5.5
- v3.5.4rc1
- v3.5.4
- v3.5.10rc1
- v3.5.10
- v3.4.9rc1
- v3.4.9
- v3.4.8rc1
- v3.4.8
- v3.4.7rc1
- v3.4.7
- v3.4.10rc1
- v3.4.10
- v3.3.7rc1
- v3.3.7
- v3.11.0a1
- v3.10.0rc2
- v3.10.0rc1
- v3.10.0b4
- v3.10.0b3
- v3.10.0b2
- v3.10.0b1
- v3.10.0a7
- v3.10.0a6
- v3.10.0a5
- v3.10.0a4
- v3.10.0a3
- v3.10.0a2
- v3.10.0a1
- v3.10.0
- v2.7.18rc1
- v2.7.18
- v2.7.17rc1
- v2.7.17
- v2.7.16rc1
- v2.7.16
- v2.7.15rc1
- v2.7.15
- v2.7.14rc1
- v2.7.14
- legacy-trunk
- 3.5
- 3.4
- 3.3
- 3.2
- 3.1
- 3.0
- 2.7
- 2.6
- 2.5
- 2.4
- 2.3
- 2.2
- 2.1
- 2.0
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Tip revision: 74f4bd53e03ded8408bcc2de67cf0f5a4ac5b1a1 authored by Barry Warsaw on 23 February 2012, 15:59:38 UTC
Bump some more copyright years (as per PEP 101), since this is the first
Bump some more copyright years (as per PEP 101), since this is the first
Tip revision: 74f4bd5
dup2.c
/*
* Public domain dup2() lookalike
* by Curtis Jackson @ AT&T Technologies, Burlington, NC
* electronic address: burl!rcj
*
* dup2 performs the following functions:
*
* Check to make sure that fd1 is a valid open file descriptor.
* Check to see if fd2 is already open; if so, close it.
* Duplicate fd1 onto fd2; checking to make sure fd2 is a valid fd.
* Return fd2 if all went well; return BADEXIT otherwise.
*/
#include <fcntl.h>
#define BADEXIT -1
int
dup2(int fd1, int fd2)
{
if (fd1 != fd2) {
if (fcntl(fd1, F_GETFL) < 0)
return BADEXIT;
if (fcntl(fd2, F_GETFL) >= 0)
close(fd2);
if (fcntl(fd1, F_DUPFD, fd2) < 0)
return BADEXIT;
}
return fd2;
}