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Flatten GNU Make directory structure
This commit is contained in:
Justine Tunney
parent
04d39d47f1
commit
58d74ede4c
113 changed files with 241 additions and 7671 deletions
231
third_party/make/error.c
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231
third_party/make/error.c
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/* clang-format off */
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/* Error handler for noninteractive utilities
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Copyright (C) 1990-1998, 2000-2007, 2009-2020 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>. */
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/* Written by David MacKenzie <djm@gnu.ai.mit.edu>. */
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#include "libc/sysv/consts/f.h"
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#include "libc/calls/calls.h"
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#include "third_party/make/config.h"
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#include "third_party/make/error.h"
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#include "libc/stdio/stdio.h"
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#include "libc/fmt/fmt.h"
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#include "libc/fmt/fmt.h"
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#include "third_party/make/stdio.h"
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#if !_LIBC && ENABLE_NLS
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# include "third_party/make/gettext.h"
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# define _(msgid) gettext (msgid)
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#endif
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#ifdef _LIBC
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# define mbsrtowcs __mbsrtowcs
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# define USE_UNLOCKED_IO 0
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# define _GL_ATTRIBUTE_FORMAT_PRINTF(a, b)
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# define _GL_ARG_NONNULL(a)
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#else
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# include "getprogname.h"
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#endif
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#if USE_UNLOCKED_IO
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# include "unlocked-io.h"
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#endif
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#ifndef _
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# define _(String) String
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#endif
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/* If NULL, error will flush stdout, then print on stderr the program
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name, a colon and a space. Otherwise, error will call this
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function without parameters instead. */
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void (*error_print_progname) (void);
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/* This variable is incremented each time 'error' is called. */
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unsigned int error_message_count;
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#ifdef _LIBC
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/* In the GNU C library, there is a predefined variable for this. */
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# define program_name program_invocation_name
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/* In GNU libc we want do not want to use the common name 'error' directly.
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Instead make it a weak alias. */
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extern void __error (int status, int errnum, const char *message, ...)
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__attribute__ ((__format__ (__printf__, 3, 4)));
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extern void __error_at_line (int status, int errnum, const char *file_name,
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unsigned int line_number, const char *message,
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...)
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__attribute__ ((__format__ (__printf__, 5, 6)));
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# define error __error
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# define error_at_line __error_at_line
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# define fflush(s) _IO_fflush (s)
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# undef putc
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# define putc(c, fp) _IO_putc (c, fp)
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#else /* not _LIBC */
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# if defined _WIN32 && ! defined __CYGWIN__
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/* Get declarations of the native Windows API functions. */
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# define WIN32_LEAN_AND_MEAN
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/* Get _get_osfhandle. */
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# if GNULIB_MSVC_NOTHROW
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# include "msvc-nothrow.h"
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# else
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# endif
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# endif
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/* The gnulib override of fcntl is not needed in this file. */
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# undef fcntl
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# define program_name getprogname ()
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# if GNULIB_STRERROR_R_POSIX || HAVE_STRERROR_R || defined strerror_r
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# define __strerror_r strerror_r
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# endif /* GNULIB_STRERROR_R_POSIX || HAVE_STRERROR_R || defined strerror_r */
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#endif /* not _LIBC */
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/* Return non-zero if FD is open. */
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static int
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is_open (int fd)
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{
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return 0 <= fcntl (fd, F_GETFL);
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}
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static void
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flush_stdout (void)
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{
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#if !_LIBC
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int stdout_fd;
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# if GNULIB_FREOPEN_SAFER
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/* Use of gnulib's freopen-safer module normally ensures that
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fileno (stdout) == 1
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whenever stdout is open. */
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stdout_fd = STDOUT_FILENO;
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# else
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/* POSIX states that fileno (stdout) after fclose is unspecified. But in
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practice it is not a problem, because stdout is statically allocated and
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the fd of a FILE stream is stored as a field in its allocated memory. */
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stdout_fd = fileno (stdout);
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# endif
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/* POSIX states that fflush (stdout) after fclose is unspecified; it
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is safe in glibc, but not on all other platforms. fflush (NULL)
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is always defined, but too draconian. */
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if (0 <= stdout_fd && is_open (stdout_fd))
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#endif
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fflush (stdout);
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}
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static void
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print_errno_message (int errnum)
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{
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char const *s;
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s = strerror (errnum);
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if (! s)
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s = _("Unknown system error");
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fprintf (stderr, ": %s", s);
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}
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static void _GL_ATTRIBUTE_FORMAT_PRINTF (3, 0) _GL_ARG_NONNULL ((3))
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error_tail (int status, int errnum, const char *message, va_list args)
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{
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vfprintf (stderr, message, args);
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++error_message_count;
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if (errnum)
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print_errno_message (errnum);
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putc ('\n', stderr);
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fflush (stderr);
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if (status)
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exit (status);
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}
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/* Print the program name and error message MESSAGE, which is a printf-style
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format string with optional args.
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If ERRNUM is nonzero, print its corresponding system error message.
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Exit with status STATUS if it is nonzero. */
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void
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error (int status, int errnum, const char *message, ...)
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{
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va_list args;
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flush_stdout ();
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if (error_print_progname)
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(*error_print_progname) ();
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else
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{
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fprintf (stderr, "%s: ", program_name);
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}
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va_start (args, message);
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error_tail (status, errnum, message, args);
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va_end (args);
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}
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/* Sometimes we want to have at most one error per line. This
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variable controls whether this mode is selected or not. */
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int error_one_per_line;
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void
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error_at_line (int status, int errnum, const char *file_name,
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unsigned int line_number, const char *message, ...)
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{
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va_list args;
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if (error_one_per_line)
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{
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static const char *old_file_name;
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static unsigned int old_line_number;
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if (old_line_number == line_number
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&& (file_name == old_file_name
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|| (old_file_name != NULL
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&& file_name != NULL
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&& strcmp (old_file_name, file_name) == 0)))
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/* Simply return and print nothing. */
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return;
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old_file_name = file_name;
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old_line_number = line_number;
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}
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flush_stdout ();
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if (error_print_progname)
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(*error_print_progname) ();
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else
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{
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fprintf (stderr, "%s:", program_name);
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}
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fprintf (stderr, file_name != NULL ? "%s:%u: " : " ",
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file_name, line_number);
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va_start (args, message);
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error_tail (status, errnum, message, args);
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va_end (args);
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}
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#ifdef _LIBC
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/* Make the weak alias. */
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# undef error
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# undef error_at_line
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weak_alias (__error, error)
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weak_alias (__error_at_line, error_at_line)
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#endif
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