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68 lines
2.4 KiB
C
68 lines
2.4 KiB
C
/* -----------------------------------------------------------------------
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debug.c - Copyright (c) 1996 Cygnus Solutions
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$Id: debug.c,v 1.1.1.1 1998/11/29 16:48:16 green Exp $
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Permission is hereby granted, free of charge, to any person obtaining
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a copy of this software and associated documentation files (the
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``Software''), to deal in the Software without restriction, including
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without limitation the rights to use, copy, modify, merge, publish,
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distribute, sublicense, and/or sell copies of the Software, and to
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permit persons to whom the Software is furnished to do so, subject to
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the following conditions:
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The above copyright notice and this permission notice shall be included
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in all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND, EXPRESS
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OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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IN NO EVENT SHALL CYGNUS SOLUTIONS BE LIABLE FOR ANY CLAIM, DAMAGES OR
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OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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OTHER DEALINGS IN THE SOFTWARE.
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----------------------------------------------------------------------- */
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#include <ffi.h>
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#include <ffi_common.h>
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#include <stdlib.h>
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#include <stdio.h>
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/* General debugging routines */
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void ffi_stop_here(void)
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{
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/* This function is only useful for debugging purposes.
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Place a breakpoint on ffi_stop_here to be notified of
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significant events. */
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}
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/* This function should only be called via the FFI_ASSERT() macro */
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int ffi_assert(char *file, int line)
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{
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fprintf(stderr, "ASSERTION FAILURE: %s line %d\n", file, line);
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ffi_stop_here();
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abort();
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/* This has to return something for the compiler not to complain */
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/*@notreached@*/
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return 0;
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}
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/* Perform a sanity check on an ffi_type structure */
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bool ffi_type_test(ffi_type *a)
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{
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/*@-usedef@*/
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FFI_ASSERT(a->type <= FFI_TYPE_LAST);
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FFI_ASSERT(a->type > FFI_TYPE_VOID ? a->size > 0 : 1);
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FFI_ASSERT(a->type > FFI_TYPE_VOID ? a->alignment > 0 : 1);
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FFI_ASSERT(a->type == FFI_TYPE_STRUCT ? a->elements != NULL : 1);
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/*@=usedef@*/
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/* This is a silly thing to return, but it keeps the compiler from
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issuing warnings about "a" not being used in non-debug builds. */
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return (a != NULL);
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}
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