diff options
Diffstat (limited to 'support/support.h')
-rw-r--r-- | support/support.h | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/support/support.h b/support/support.h new file mode 100644 index 0000000000..fc7fba9a3a --- /dev/null +++ b/support/support.h @@ -0,0 +1,58 @@ +/* Common extra functions. + Copyright (C) 2016 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))); + +/* 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)); + +__END_DECLS + +#endif /* SUPPORT_H */ |