diff options
author | Roland McGrath <roland@gnu.org> | 1994-10-19 23:56:45 +0000 |
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committer | Roland McGrath <roland@gnu.org> | 1994-10-19 23:56:45 +0000 |
commit | 98219acf2ffb9a30754212eb11b88a653c716da0 (patch) | |
tree | 1c1c25042dc98261430f4858ebd4fea662248efe | |
parent | 99e3f18db68c8f9869787031b6ca2e680261942c (diff) |
Initial revision
-rw-r--r-- | assert/assert-perr.c | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/assert/assert-perr.c b/assert/assert-perr.c new file mode 100644 index 0000000000..7ca6d2487e --- /dev/null +++ b/assert/assert-perr.c @@ -0,0 +1,55 @@ +/* Copyright (C) 1994 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 Library General Public License as +published by the Free Software Foundation; either version 2 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 +Library General Public License for more details. + +You should have received a copy of the GNU Library General Public +License along with the GNU C Library; see the file COPYING.LIB. If +not, write to the Free Software Foundation, Inc., 675 Mass Ave, +Cambridge, MA 02139, USA. */ + +#include <assert.h> +#include <stdio.h> +#include <string.h> +#include <sysdep.h> + + +extern const char *__assert_program_name; /* In assert.c. */ + +/* 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 + It then aborts program execution via a call to `abort'. */ + +__NORETURN int +__assert_perror_fail (int errnum, + const char *file, unsigned int line, + const char *function) +{ +#ifdef FATAL_PREPARE + FATAL_PREPARE; +#endif + + /* Print the message. */ + (void) fprintf (stderr, "%s%s%s:%u: %s%sUnexpected error: %s.\n" + __assert_program_name ? __assert_program_name : "", + __assert_program_name ? ": " : "", + file, line, + function ? function : "", function ? ": " : "", + strerror (errnum)); + (void) fflush (stderr); + + abort (); + + /* This function never returns, so making it void would make sense, + but returning something makes the assert macro easier to write. */ + return 0; +} |