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authorUlrich Drepper <drepper@gmail.com>2011-05-15 00:34:48 -0400
committerUlrich Drepper <drepper@gmail.com>2011-05-15 00:34:48 -0400
commitf8a3b5bf8fa1d0c43d2458e03cc109a04fdef194 (patch)
treec92e262e52b730a8bd4bc3505f46ded142b7cebd /assert/assert-perr.c
parentfc317541ab359b33ed7bf402ead84ba6f112604c (diff)
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Use mmap for allocation of buffers used for __abort_msg
Diffstat (limited to 'assert/assert-perr.c')
-rw-r--r--assert/assert-perr.c54
1 files changed, 6 insertions, 48 deletions
diff --git a/assert/assert-perr.c b/assert/assert-perr.c
index f239fab..cad87da 100644
--- a/assert/assert-perr.c
+++ b/assert/assert-perr.c
@@ -1,4 +1,5 @@
-/* Copyright (C) 1994-1998,2001,2002,2005,2009 Free Software Foundation, Inc.
+/* Copyright (C) 1994-1998,2001,2002,2005,2009,2011
+ 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
@@ -17,66 +18,23 @@
02111-1307 USA. */
#include <assert.h>
-#include <atomic.h>
#include <libintl.h>
-#include <stdio.h>
-#include <stdlib.h>
#include <string.h>
-#include <sysdep.h>
-#include <unistd.h>
-extern const char *__progname;
-
-#ifdef USE_IN_LIBIO
-# include <wchar.h>
-# include <libio/iolibio.h>
-# define fflush(s) INTUSE(_IO_fflush) (s)
-#endif
-
/* This function, when passed an error number, a filename, and a line
number, prints a message on the standard error stream of the form:
- a.c:10: foobar: Unexpected error: Computer bought the farm
+ a.c:10: foobar: Unexpected error: Computer bought the farm
It then aborts program execution via a call to `abort'. */
-
-#ifdef FATAL_PREPARE_INCLUDE
-# include FATAL_PREPARE_INCLUDE
-#endif
-
void
__assert_perror_fail (int errnum,
const char *file, unsigned int line,
const char *function)
{
char errbuf[1024];
- char *buf;
-
-#ifdef FATAL_PREPARE
- FATAL_PREPARE;
-#endif
-
- if (__asprintf (&buf, _("%s%s%s:%u: %s%sUnexpected error: %s.\n"),
- __progname, __progname[0] ? ": " : "",
- file, line,
- function ? function : "", function ? ": " : "",
- __strerror_r (errnum, errbuf, sizeof errbuf)) >= 0)
- {
- /* Print the message. */
- (void) __fxprintf (NULL, "%s", buf);
- (void) fflush (stderr);
-
- /* We have to free the old buffer since the application might
- catch the SIGABRT signal. */
- char *old = atomic_exchange_acq (&__abort_msg, buf);
- free (old);
- }
- else
- {
- /* At least print a minimal message. */
- static const char errstr[] = "Unexpected error.\n";
- __libc_write (STDERR_FILENO, errstr, sizeof (errstr) - 1);
- }
- abort ();
+ char *e = __strerror_r (errnum, errbuf, sizeof errbuf);
+ __assert_fail_base (_("%s%s%s:%u: %s%sUnexpected error: %s.\n"),
+ e, file, line, function);
}
libc_hidden_def (__assert_perror_fail)