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703b98a267
[openbsd-compat/openbsd-compat.h] Kludge around bad glibc _FORTIFY_SOURCE check that doesn't grok heap-allocated fd_sets; ok dtucker@
29 lines
882 B
C
29 lines
882 B
C
/* Placed in the public domain. */
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/*
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* _FORTIFY_SOURCE includes a misguided check for FD_SET(n)/FD_ISSET(b)
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* where n > FD_SETSIZE. This breaks OpenSSH and other programs that
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* explicitly allocate fd_sets. To avoid this, we wrap FD_SET in a
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* function compiled without _FORTIFY_SOURCE.
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*/
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#include "config.h"
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#if defined(HAVE_FEATURES_H) && defined(_FORTIFY_SOURCE)
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# include <features.h>
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# if defined(__GNU_LIBRARY__) && defined(__GLIBC_PREREQ)
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# if __GLIBC_PREREQ(2, 15) && (_FORTIFY_SOURCE > 0)
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# undef _FORTIFY_SOURCE
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# undef __USE_FORTIFY_LEVEL
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# include <sys/socket.h>
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void kludge_FD_SET(int n, fd_set *set) {
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FD_SET(n, set);
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}
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int kludge_FD_ISSET(int n, fd_set *set) {
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return FD_ISSET(n, set);
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}
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# endif /* __GLIBC_PREREQ(2, 15) && (_FORTIFY_SOURCE > 0) */
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# endif /* __GNU_LIBRARY__ && __GLIBC_PREREQ */
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#endif /* HAVE_FEATURES_H && _FORTIFY_SOURCE */
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