24 lines
295 B
C
24 lines
295 B
C
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/*
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* dup2.c
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*
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* Ersatz dup2() for really ancient systems
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*/
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#include "config.h"
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int dup2(int oldfd, int newfd)
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{
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int rv, nfd;
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close(newfd);
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nfd = rv = dup(oldfd);
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if (rv >= 0 && rv != newfd) {
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rv = dup2(oldfd, newfd);
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close(nfd);
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}
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return rv;
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}
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