46 lines
852 B
C
46 lines
852 B
C
#ifndef FORTIFY_STDLIB_H_
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#define FORTIFY_STDLIB_H_
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#if defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
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#include_next <limits.h>
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#endif
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#include_next <stdlib.h>
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#if defined(_FORTIFY_SOURCE) && _FORTIFY_SOURCE > 0 && defined(__OPTIMIZE__) && __OPTIMIZE__ > 0
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#ifdef __cplusplus
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extern "C" {
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#endif
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#if defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
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static inline __attribute__ ((always_inline))
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char *
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__fortify_realpath(const char *path, char *resolved)
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{
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size_t bos;
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if (resolved) {
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#ifndef PATH_MAX
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__builtin_trap();
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#else
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bos = __builtin_object_size(resolved, 0);
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if (PATH_MAX > bos)
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__builtin_trap();
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#endif
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}
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return realpath(path, resolved);
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}
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#undef realpath
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#define realpath(path, resolved) __fortify_realpath(path, resolved)
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif
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#endif
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