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unistd: Avoid PLT entries with _FORTIFY_SOURCE
The change is meant to avoid unwanted PLT entries for the read_chk, getdomainname_chk and getlogin_r_chk routines when _FORTIFY_SOURCE is set. Reviewed-by: Siddhesh Poyarekar <siddhesh@sourceware.org>
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@ -26,3 +26,4 @@ __getdomainname_chk (char *buf, size_t buflen, size_t nreal)
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return getdomainname (buf, buflen);
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}
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libc_hidden_def (__getdomainname_chk)
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@ -25,3 +25,4 @@ __read_chk (int fd, void *buf, size_t nbytes, size_t buflen)
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return __read (fd, buf, nbytes);
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}
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libc_hidden_def (__read_chk)
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@ -32,6 +32,10 @@ libc_hidden_proto (readlinkat)
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libc_hidden_proto (fsync)
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libc_hidden_proto (fdatasync)
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libc_hidden_proto (__read_chk)
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libc_hidden_proto (__getdomainname_chk)
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libc_hidden_proto (__getlogin_r_chk)
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/* Now define the internal interfaces. */
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extern int __access (const char *__name, int __type);
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libc_hidden_proto (__access)
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@ -26,3 +26,4 @@ __getlogin_r_chk (char *buf, size_t buflen, size_t nreal)
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return getlogin_r (buf, buflen);
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}
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libc_hidden_def (__getlogin_r_chk)
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@ -26,7 +26,7 @@
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extern ssize_t __read_chk (int __fd, void *__buf, size_t __nbytes,
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size_t __buflen)
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__wur __attr_access ((__write_only__, 2, 3));
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extern ssize_t __REDIRECT (__read_alias, (int __fd, void *__buf,
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extern ssize_t __REDIRECT_FORTIFY (__read_alias, (int __fd, void *__buf,
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size_t __nbytes), read)
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__wur __attr_access ((__write_only__, 2, 3));
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extern ssize_t __REDIRECT (__read_chk_warn,
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@ -157,7 +157,7 @@ extern int __REDIRECT_NTH (__ttyname_r_chk_warn,
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#ifdef __USE_POSIX199506
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extern int __getlogin_r_chk (char *__buf, size_t __buflen, size_t __nreal)
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__nonnull ((1)) __attr_access ((__write_only__, 1, 2));
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extern int __REDIRECT (__getlogin_r_alias, (char *__buf, size_t __buflen),
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extern int __REDIRECT_FORTIFY (__getlogin_r_alias, (char *__buf, size_t __buflen),
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getlogin_r) __nonnull ((1));
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extern int __REDIRECT (__getlogin_r_chk_warn,
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(char *__buf, size_t __buflen, size_t __nreal),
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@ -184,7 +184,7 @@ extern int __REDIRECT_NTH (__gethostname_chk_warn,
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#if defined __USE_MISC || (defined __USE_XOPEN && !defined __USE_UNIX98)
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extern int __getdomainname_chk (char *__buf, size_t __buflen, size_t __nreal)
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__THROW __nonnull ((1)) __wur __attr_access ((__write_only__, 1, 2));
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extern int __REDIRECT_NTH (__getdomainname_alias, (char *__buf,
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extern int __REDIRECT_FORTIFY_NTH (__getdomainname_alias, (char *__buf,
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size_t __buflen),
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getdomainname) __nonnull ((1))
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__wur __attr_access ((__write_only__, 1, 2));
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