source: libcfa/src/assert.cfa@ c86b08d

//
// Cforall Version 1.0.0 Copyright (C) 2015 University of Waterloo
//
// The contents of this file are covered under the licence agreement in the
// file "LICENCE" distributed with Cforall.
//
// assert.c --
//
// Author           : Thierry Delisle
// Created On       : Mon Nov 28 12:27:26 2016
// Last Modified By : Peter A. Buhr
// Last Modified On : Tue Feb  4 13:00:18 2020
// Update Count     : 6
//

#include <assert.h>
#include <stdarg.h>                                                             // varargs
#include <stdio.h>                                                              // fprintf
#include <unistd.h>                                                             // STDERR_FILENO
#include "bits/debug.hfa"
#include "bits/defs.hfa"

extern "C" {
        extern const char * __progname;                                         // global name of running executable (argv[0])

        #define CFA_ASSERT_FMT "Cforall Assertion error \"%s\" from program \"%s\" in \"%s\" at line %d in file \"%s\""
        #define CFA_WARNING_FMT "Cforall Assertion warning \"%s\" from program \"%s\" in \"%s\" at line %d in file \"%s\""

        // called by macro assert in assert.h
        // would be cool to remove libcfa_public but it's needed for libcfathread
        void __assert_fail( const char assertion[], const char file[], unsigned int line, const char function[] ) libcfa_public {
                __cfaabi_bits_print_safe( STDERR_FILENO, CFA_ASSERT_FMT ".\n", assertion, __progname, function, line, file );
                abort();
        }

        // called by macro assertf
        // would be cool to remove libcfa_public but it's needed for libcfathread
        void __assert_fail_f( const char assertion[], const char file[], unsigned int line, const char function[], const char fmt[], ... ) libcfa_public {
                __cfaabi_bits_acquire();
                __cfaabi_bits_print_nolock( STDERR_FILENO, CFA_ASSERT_FMT ": ", assertion, __progname, function, line, file );

                va_list args;
                va_start( args, fmt );
                __cfaabi_bits_print_vararg( STDERR_FILENO, fmt, args );
                va_end( args );

                __cfaabi_bits_print_nolock( STDERR_FILENO, "\n" );
                __cfaabi_bits_release();
                abort();
        }

        // called by macro warnf
        // would be cool to remove libcfa_public but it's needed for libcfathread
        void __assert_warn_f( const char assertion[], const char file[], unsigned int line, const char function[], const char fmt[], ... ) libcfa_public {
                __cfaabi_bits_acquire();
                __cfaabi_bits_print_nolock( STDERR_FILENO, CFA_WARNING_FMT ": ", assertion, __progname, function, line, file );

                va_list args;
                va_start( args, fmt );
                __cfaabi_bits_print_vararg( STDERR_FILENO, fmt, args );
                va_end( args );

                __cfaabi_bits_print_nolock( STDERR_FILENO, "\n" );
                __cfaabi_bits_release();
        }
}

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