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#ifndef _FORTIFY_UNISTD_H
#define _FORTIFY_UNISTD_H
#include_next <unistd.h>
#if defined(_FORTIFY_SOURCE) && _FORTIFY_SOURCE > 0 && defined(__OPTIMIZE__) && __OPTIMIZE__ > 0
#ifndef __cplusplus
#undef confstr
#undef getcwd
#undef getgroups
#undef gethostname
#undef getlogin_r
#undef pread
#undef read
#undef readlink
#undef readlinkat
#undef ttyname_r
#undef write
extern size_t __confstr_orig(int, char *, size_t)
__asm__(__USER_LABEL_PREFIX__ "confstr");
extern __inline __attribute__((__always_inline__,__gnu_inline__))
size_t confstr(int name, char *buf, size_t len)
{
size_t bos = __builtin_object_size(buf, 0);
if (len > bos)
__builtin_trap();
return __confstr_orig(name, buf, len);
}
extern char *__getcwd_orig(char *, size_t)
__asm__(__USER_LABEL_PREFIX__ "getcwd");
extern __inline __attribute__((__always_inline__,__gnu_inline__))
char *getcwd(char *buf, size_t len)
{
size_t bos = __builtin_object_size(buf, 0);
if (len > bos)
__builtin_trap();
return __getcwd_orig(buf, len);
}
#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
#undef getdomainname
extern int __getdomainname_orig(char *, size_t)
__asm__(__USER_LABEL_PREFIX__ "getdomainname");
extern __inline __attribute__((__always_inline__,__gnu_inline__))
int getdomainname(char *name, size_t len)
{
size_t bos = __builtin_object_size(name, 0);
if (len > bos)
__builtin_trap();
return __getdomainname_orig(name, len);
}
#endif
extern int __getgroups_orig(int, gid_t *)
__asm__(__USER_LABEL_PREFIX__ "getgroups");
extern __inline __attribute__((__always_inline__,__gnu_inline__))
int getgroups(int len, gid_t *set)
{
size_t bos = __builtin_object_size(set, 0);
if (len > bos / sizeof(gid_t))
__builtin_trap();
return __getgroups_orig(len, set);
}
extern int __gethostname_orig(char *, size_t)
__asm__(__USER_LABEL_PREFIX__ "gethostname");
extern __inline __attribute__((__always_inline__,__gnu_inline__))
int gethostname(char *name, size_t len)
{
size_t bos = __builtin_object_size(name, 0);
if (len > bos)
__builtin_trap();
return __gethostname_orig(name, len);
}
extern int __getlogin_r_orig(char *, size_t)
__asm__(__USER_LABEL_PREFIX__ "getlogin_r");
extern __inline __attribute__((__always_inline__,__gnu_inline__))
int getlogin_r(char *name, size_t len)
{
size_t bos = __builtin_object_size(name, 0);
if (len > bos)
__builtin_trap();
return __getlogin_r_orig(name, len);
}
extern ssize_t __pread_orig(int, void *, size_t, off_t)
__asm__(__USER_LABEL_PREFIX__ "pread");
extern __inline __attribute__((__always_inline__,__gnu_inline__))
ssize_t pread(int fd, void *buf, size_t n, off_t offset)
{
size_t bos = __builtin_object_size(buf, 0);
if (n > bos)
__builtin_trap();
return __pread_orig(fd, buf, n, offset);
}
extern ssize_t __read_orig(int, void *, size_t)
__asm__(__USER_LABEL_PREFIX__ "read");
extern __inline __attribute__((__always_inline__,__gnu_inline__))
ssize_t read(int fd, void *buf, size_t n)
{
size_t bos = __builtin_object_size(buf, 0);
if (n > bos)
__builtin_trap();
return __read_orig(fd, buf, n);
}
extern ssize_t __readlink_orig(const char *, char *, size_t)
__asm__(__USER_LABEL_PREFIX__ "readlink");
extern __inline __attribute__((__always_inline__,__gnu_inline__))
ssize_t readlink(const char *path, char *buf, size_t n)
{
size_t bos = __builtin_object_size(buf, 0);
if (n > bos)
__builtin_trap();
return __readlink_orig(path, buf, n);
}
extern ssize_t __readlinkat_orig(int, const char *, char *, size_t)
__asm__(__USER_LABEL_PREFIX__ "readlinkat");
extern __inline __attribute__((__always_inline__,__gnu_inline__))
ssize_t readlinkat(int fd, const char *path, char *buf, size_t n)
{
size_t bos = __builtin_object_size(buf, 0);
if (n > bos)
__builtin_trap();
return __readlinkat_orig(fd, path, buf, n);
}
extern int __ttyname_r_orig(int, char *, size_t)
__asm__(__USER_LABEL_PREFIX__ "ttyname_r");
extern __inline __attribute__((__always_inline__,__gnu_inline__))
int ttyname_r(int fd, char *name, size_t n)
{
size_t bos = __builtin_object_size(name, 0);
if (n > bos)
__builtin_trap();
return __ttyname_r_orig(fd, name, n);
}
extern ssize_t __write_orig(int, const void *, size_t)
__asm__(__USER_LABEL_PREFIX__ "write");
extern __inline __attribute__((__always_inline__,__gnu_inline__))
ssize_t write(int fd, const void *buf, size_t n)
{
size_t bos = __builtin_object_size(buf, 0);
if (n > bos)
__builtin_trap();
return __write_orig(fd, buf, n);
}
#endif
#endif
#endif
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