76 lines
1.8 KiB
C
76 lines
1.8 KiB
C
/*
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* $QNXLicenseC:
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* Copyright 2007, QNX Software Systems. All Rights Reserved.
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*
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* You must obtain a written license from and pay applicable license fees to QNX
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* Software Systems before you may reproduce, modify or distribute this software,
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* or any work that includes all or part of this software. Free development
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* licenses are available for evaluation and non-commercial purposes. For more
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* information visit http://licensing.qnx.com or email licensing@qnx.com.
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*
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* This file may contain contributions from others. Please review this entire
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* file for other proprietary rights or license notices, as well as the QNX
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* Development Suite License Guide at http://licensing.qnx.com/license-guide/
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* for other information.
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* $
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*/
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#include <unistd.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <string.h>
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#include <malloc.h>
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#include <sys/resmgr.h>
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#include "connect.h"
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#include "stkchk.h"
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char *_fullpath(char *buffer, const char *path, size_t size) {
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struct _connect_ctrl ctrl;
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struct _io_connect msg;
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int fd;
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char *orig_buffer;
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orig_buffer = buffer;
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if(!buffer) {
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if(size == 0 || !(buffer = malloc(size))) {
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errno = ENOMEM;
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return 0;
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}
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}
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memset(&ctrl, 0x00, sizeof ctrl);
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ctrl.base = _NTO_SIDE_CHANNEL;
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ctrl.path = buffer;
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ctrl.pathsize = size;
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ctrl.send = MsgSendvnc;
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ctrl.msg = &msg;
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memset(&msg, 0x00, sizeof msg);
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msg.ioflag = O_LARGEFILE | O_NOCTTY;
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msg.subtype = _IO_CONNECT_COMBINE_CLOSE;
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if((fd = _connect_ctrl(&ctrl, path, 0, 0)) == -1) {
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goto failure;
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}
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ConnectDetach(fd);
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if(buffer[0] == '\0') {
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errno = ENAMETOOLONG;
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goto failure;
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}
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return buffer;
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failure:
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if(orig_buffer == NULL) {
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// We malloc'd the storage.
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free(buffer);
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}
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return 0;
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}
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__SRCVERSION("_fullpath.c $Rev: 153052 $");
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