mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-24 19:51:11 +00:00
688903eb3e
* All files with FSF copyright notices: Update copyright dates using scripts/update-copyrights. * locale/programs/charmap-kw.h: Regenerated. * locale/programs/locfile-kw.h: Likewise.
76 lines
2.7 KiB
C
76 lines
2.7 KiB
C
/* Common extra functions.
|
|
Copyright (C) 2016-2018 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
|
|
The GNU C Library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Lesser General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2.1 of the License, or (at your option) any later version.
|
|
|
|
The GNU C Library is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
License along with the GNU C Library; if not, see
|
|
<http://www.gnu.org/licenses/>. */
|
|
|
|
/* This header file should only contain definitions compatible with
|
|
C90. (Using __attribute__ is fine because <features.h> provides a
|
|
fallback.) */
|
|
|
|
#ifndef SUPPORT_H
|
|
#define SUPPORT_H
|
|
|
|
#include <stddef.h>
|
|
#include <sys/cdefs.h>
|
|
|
|
__BEGIN_DECLS
|
|
|
|
/* Write a message to standard output. Can be used in signal
|
|
handlers. */
|
|
void write_message (const char *message) __attribute__ ((nonnull (1)));
|
|
|
|
/* Avoid all the buffer overflow messages on stderr. */
|
|
void ignore_stderr (void);
|
|
|
|
/* Set fortification error handler. Used when tests want to verify that bad
|
|
code is caught by the library. */
|
|
void set_fortify_handler (void (*handler) (int sig));
|
|
|
|
/* Report an out-of-memory error for the allocation of SIZE bytes in
|
|
FUNCTION, terminating the process. */
|
|
void oom_error (const char *function, size_t size)
|
|
__attribute__ ((nonnull (1)));
|
|
|
|
/* Return a pointer to a memory region of SIZE bytes. The memory is
|
|
initialized to zero and will be shared with subprocesses (across
|
|
fork). The returned pointer must be freed using
|
|
support_shared_free; it is not compatible with the malloc
|
|
functions. */
|
|
void *support_shared_allocate (size_t size);
|
|
|
|
/* Deallocate a pointer returned by support_shared_allocate. */
|
|
void support_shared_free (void *);
|
|
|
|
/* Write CONTENTS to the file PATH. Create or truncate the file as
|
|
needed. The file mode is 0666 masked by the umask. Terminate the
|
|
process on error. */
|
|
void support_write_file_string (const char *path, const char *contents);
|
|
|
|
/* Error-checking wrapper functions which terminate the process on
|
|
error. */
|
|
|
|
void *xmalloc (size_t) __attribute__ ((malloc));
|
|
void *xcalloc (size_t n, size_t s) __attribute__ ((malloc));
|
|
void *xrealloc (void *p, size_t n);
|
|
char *xasprintf (const char *format, ...)
|
|
__attribute__ ((format (printf, 1, 2), malloc));
|
|
char *xstrdup (const char *);
|
|
char *xstrndup (const char *, size_t);
|
|
|
|
__END_DECLS
|
|
|
|
#endif /* SUPPORT_H */
|