libc: provide fputc_unlocked

Among the same justification as the other stdio _unlocked; in addition to an
inline version in <stdio.h>, we must provide a function in libc as well for
the functionalit

libc: provide fputc_unlocked

Among the same justification as the other stdio _unlocked; in addition to an
inline version in <stdio.h>, we must provide a function in libc as well for
the functionality. This fixes the lang/gcc* builds, which want to use the
symbol from libc.

PR: 243810
Reported by: antoine, swills, Michael <michael.adm gmail com>
X-MFC-With: r357284

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stdio: provide _unlocked variants of fflush, fputc, fputs, fread, fwrite

fflush_unlocked is currently desired in ports by sysutils/metalog, and
redefined as the locked fflush.

fputc_unlocked, fputs

stdio: provide _unlocked variants of fflush, fputc, fputs, fread, fwrite

fflush_unlocked is currently desired in ports by sysutils/metalog, and
redefined as the locked fflush.

fputc_unlocked, fputs_unlocked, fread_unlocked, and fwrite_unlocked are
currently desired in ports by devel/elfutils, and redefined as the locked
fputs, fread, and fwrite respectively.

Reviewed by: kib
MFC after: 2 weeks
Differential Revision: https://reviews.freebsd.org/D23336

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Make snprintf(3) and vscanf(3) definitions available under appropriate
POSIX visibility.

Reported by: jbeich
Reviewed by: jilles
PR: 207287
MFC after: 1 week

libc: remove gets

gets is unsafe and shouldn't be used (for many years now). Leave it in
the existing symbol version so anything that previously linked aginst it
still runs, but do not allow new so

libc: remove gets

gets is unsafe and shouldn't be used (for many years now). Leave it in
the existing symbol version so anything that previously linked aginst it
still runs, but do not allow new software to link against it.

(The compatability/legacy implementation must not be static so that
the symbol and in particular the compat sym gets@FBSD_1.0 make it
into libc.)

PR: 222796 (exp-run)
Reported by: Paul Vixie
Reviewed by: allanjude, cy, eadler, gnn, jhb, kib, ngie (some earlier)
Relnotes: Yes
Sponsored by: The FreeBSD Foundation
Differential Revision: https://reviews.freebsd.org/D12298

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Vendor import of stripped libc++ trunk r366426 (just before the release_90 branch
point):

https://llvm.org/svn/llvm-project/libcxx/trunk@366426

Vendor import of libc++ trunk r338150:
https://llvm.org/svn/llvm-project/libcxx/trunk@338150

Remove redundant check.

Reported by: kib@
MFC after: 2 weeks
X-MFC with: r331936
Differential Revision: https://reviews.freebsd.org/D12785

Include update to stdio.h missed in r331936.

In my attempt to limit the commit in r331936 to only the gets_s()
commit and not include unrelated patches in my tree, this patch
was missed.

Reported b

Include update to stdio.h missed in r331936.

In my attempt to limit the commit in r331936 to only the gets_s()
commit and not include unrelated patches in my tree, this patch
was missed.

Reported by: pfg
MFC after: 2 weeks
X-MFC with: r331936
Differential Revision: https://reviews.freebsd.org/D12785

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include: further adoption of SPDX licensing ID tags.

Mainly focus on files that use BSD 3-Clause license.

The Software Package Data Exchange (SPDX) group provides a specification
to make it easier

include: further adoption of SPDX licensing ID tags.

Mainly focus on files that use BSD 3-Clause license.

The Software Package Data Exchange (SPDX) group provides a specification
to make it easier for automated tools to detect and summarize well known
opensource licenses. We are gradually adopting the specification, noting
that the tags are considered only advisory and do not, in any way,
superceed or replace the license texts.

Special thanks to Wind River for providing access to "The Duke of
Highlander" tool: an older (2014) run over FreeBSD tree was useful as a
starting point.

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Vendor import of libc++ trunk r304460:
https://llvm.org/svn/llvm-project/libcxx/trunk@304460

libthr: fix warnings from GCC when WARNS=6

Fix warnings about:
- redundant declarations
- a local variable shadowing a global function (dlinfo)
- an old-style function definition (with an empty para

libthr: fix warnings from GCC when WARNS=6

Fix warnings about:
- redundant declarations
- a local variable shadowing a global function (dlinfo)
- an old-style function definition (with an empty parameter list)
- a variable that is possibly used uninitialized

"make tinderbox" passes this time, except for a few unrelated
kernel failures.

Reviewed by: kib
MFC after: 3 days
Sponsored by: Dell EMC
Differential Revision: https://reviews.freebsd.org/D10870

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Vendor import of libc++ trunk r303197:
https://llvm.org/svn/llvm-project/libcxx/trunk@303197

<stdio.h>: ftello() and fseeko() were in SUSv2, so extend visibility.

See:

http://pubs.opengroup.org/onlinepubs/007908799/xsh/fseek.html
http://pubs.opengroup.org/onlinepubs/007908799/xsh/ftell.htm

<stdio.h>: ftello() and fseeko() were in SUSv2, so extend visibility.

See:

http://pubs.opengroup.org/onlinepubs/007908799/xsh/fseek.html
http://pubs.opengroup.org/onlinepubs/007908799/xsh/ftell.html

Hinted from: DragonFlyBSD (git 58696e28)

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Make use of clang nullability attributes.

Replace uses of the GCC __nonnull__ attribute with the clang nullability
qualifiers. The replacement should be transparent for clang developers as
the new q

Make use of clang nullability attributes.

Replace uses of the GCC __nonnull__ attribute with the clang nullability
qualifiers. The replacement should be transparent for clang developers as
the new qualifiers will produce the same warnings and will be useful for
static checkers but will not cause aggressive optimizations.

GCC will not produce such warnings and developers will have to use
upgraded GCC ports built with the system headers from r312538.

Hinted by: Apple's Libc-1158.20.4, Bionic libc
MFC after: 11.1 Release

Differential Revision: https://reviews.freebsd.org/D9004

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Add the __printflike attribute to the declaration of vdprintf(3)

I intended to add this in r306568.

MFC after: 3 days
Sponsored by: Dell EMC

Add the __printflike attribute to the declaration of dprintf(3)

MFC after: 3 days
Sponsored by: Dell EMC

tools/build looks for _WITH_GETLINE in /usr/include/stdio.h to see if
we need to include it in -legacy or not. Since the ifdef was removed,
this broke building 10.x and older source trees on -current

tools/build looks for _WITH_GETLINE in /usr/include/stdio.h to see if
we need to include it in -legacy or not. Since the ifdef was removed,
this broke building 10.x and older source trees on -current. Restore
just enough of _WITH_GETLINE to allow these older source trees to
still build and properly omit getline() from their -legacy library.

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Remove _WITH_GETLINE and _WITH_DPRINTF guards

When adding getline(3) and dprintf(3) into libc, those guards were added
to prevent breaking too many ports.

7 years later the ports tree have been fix

Remove _WITH_GETLINE and _WITH_DPRINTF guards

When adding getline(3) and dprintf(3) into libc, those guards were added
to prevent breaking too many ports.

7 years later the ports tree have been fixed, it is time to remove this
FreeBSDism

While here remove the extra parenthesis surrounding dprintf(3)

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stdio.h: Fix function-type typedef style and use _types.h __ssize_t

I'm still not sure why only Pypy runs into the error with the function
typedefs. Fix it anyway.

Use __ssize_t instead of ssize_t

stdio.h: Fix function-type typedef style and use _types.h __ssize_t

I'm still not sure why only Pypy runs into the error with the function
typedefs. Fix it anyway.

Use __ssize_t instead of ssize_t for the types; it's possible for the size_t
type to not be visible if at the wrong POSIX_VISIBLE level.

A final (crossing my fingers) follow-up to r299456.

Sponsored by: EMC / Isilon Storage Division

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Pollute more places with off64_t and add __off64_t

Despite the private namespace, several broken ports depend on the __off64_t
name for the type. Export it exactly the same way off_t and __off_t ar

Pollute more places with off64_t and add __off64_t

Despite the private namespace, several broken ports depend on the __off64_t
name for the type. Export it exactly the same way off_t and __off_t are
exported.

A follow-up to r299456.

Suggested by: php56
Sponsored by: EMC / Isilon Storage Division

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libc: Add fopencookie(3) wrapper around funopen(3)

Reviewed by: jhb, oshogbo
Sponsored by: EMC / Isilon Storage Division
Differential Revision: https://reviews.freebsd.org/D6282

Vendor import of libc++ trunk r256633:
https://llvm.org/svn/llvm-project/libcxx/trunk@256633

Add _flags2 per jhb@ suggestion since no room left in _flags.
Rewrite O_APPEND flag checking using new __S2OAP flag.

MFC after: 3 weeks

Add fdclose(3) function.

This function is equivalent to fclose(3) function except that it
does not close the underlying file descriptor.
fdclose(3) is step forward to make FILE structure private.

R

Add fdclose(3) function.

This function is equivalent to fclose(3) function except that it
does not close the underlying file descriptor.
fdclose(3) is step forward to make FILE structure private.

Reviewed by: wblock, jilles, jhb, pjd
Approved by: pjd (mentor)
Differential Revision: https://reviews.freebsd.org/D2697

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Correct and clarify comment for __SMBF.

MFC after: 2 weeks
Sponsored by: EMC / Isilon Storage Division