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97aa195cf7
* sysdeps/unix/sysv/linux/ptrace.c: Use ... decl, and stdarg.h to get args. * posix/glob.c (_GNU_SOURCE): Define if undefined, so glob.h defines GNU extensions. * posix/fnmatch.c: Likewise.
58 lines
1.5 KiB
C
58 lines
1.5 KiB
C
/* Copyright (C) 1995, 1996 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If
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not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#include <errno.h>
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#include <sys/types.h>
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#include <sys/ptrace.h>
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#include <stdarg.h>
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extern int __syscall_ptrace (int, pid_t, void *, void *);
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int
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ptrace (enum __ptrace_request request, ...)
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{
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int res, ret;
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va_list ap;
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pid_t pid;
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void *addr, *data;
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va_start (ap, request);
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pid = va_arg (ap, pid_t);
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addr = va_arg (ap, void *);
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data = va_arg (ap, void *);
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va_end (ap);
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if (request > 0 && request < 4)
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data = &ret;
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res = __syscall_ptrace (request, pid, addr, data);
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if (res >= 0)
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{
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if (request > 0 && request < 4)
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{
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errno = 0;
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return ret;
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}
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return res;
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}
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errno = -res;
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return -1;
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}
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