156 	VFP_T		*vfp;  in vfpOpen()  local
167 	vfp = (VFP_T *)calloc(sizeof (VFP_T), 1);  in vfpOpen()
168 	if (vfp == (VFP_T *)NULL) {  in vfpOpen()
181 		vfp->_vfpFlags = _VFP_MALLOC;  in vfpOpen()
182 		vfp->_vfpPath = strdup(VFP_ANONYMOUS_PATH);  in vfpOpen()
183 		(*r_vfp) = vfp;  in vfpOpen()
194 		(void) free(vfp);  in vfpOpen()
202 		(void) free(vfp);  in vfpOpen()
211 		(void) free(vfp);  in vfpOpen()
221 		(void) free(vfp);  in vfpOpen()
234 	vfp->_vfpStart = MAP_FAILED;	/* assume map failed if not allowed */  in vfpOpen()
246 		vfp->_vfpMapSize = statbuf.st_size;  in vfpOpen()
256 		vfp->_vfpSize = (statbuf.st_size + pagesize +  in vfpOpen()
270 		p = (char *)memalign(pagesize, vfp->_vfpSize);  in vfpOpen()
272 			vfp->_vfpStart = MAP_FAILED;  in vfpOpen()
276 			p[vfp->_vfpMapSize] = '\0';  in vfpOpen()
280 			vfp->_vfpStart = mmap(p, vfp->_vfpMapSize, PROT_READ,  in vfpOpen()
285 			if (vfp->_vfpStart != MAP_FAILED) {  in vfpOpen()
286 				vfp->_vfpFlags |= _VFP_MMAP;  in vfpOpen()
293 	if ((vfp->_vfpStart == MAP_FAILED) && (!(a_flags & VFP_NOMALLOC))) {  in vfpOpen()
305 		vfp->_vfpSize = statbuf.st_size+pagesize;  in vfpOpen()
309 		vfp->_vfpStart = memalign((size_t)pagesize, vfp->_vfpSize);  in vfpOpen()
310 		if (vfp->_vfpStart == (char *)NULL) {  in vfpOpen()
313 			(void) free(vfp);  in vfpOpen()
321 			rlen = read(fileno(fp), vfp->_vfpStart,  in vfpOpen()
328 				(void) free(vfp->_vfpStart);  in vfpOpen()
330 				(void) free(vfp);  in vfpOpen()
337 			((char *)vfp->_vfpStart)[statbuf.st_size] = '\0';  in vfpOpen()
342 		vfp->_vfpFlags |= _VFP_MALLOC;  in vfpOpen()
347 	if (vfp->_vfpStart == MAP_FAILED) {  in vfpOpen()
350 		(void) free(vfp);  in vfpOpen()
360 	vfp->_vfpCurr = (char *)vfp->_vfpStart;  in vfpOpen()
363 	vfp->_vfpEnd = (((char *)vfp->_vfpStart) + statbuf.st_size)-1;  in vfpOpen()
366 	vfp->_vfpHighWater = (char *)vfp->_vfpEnd;  in vfpOpen()
369 	vfp->_vfpFile = fp;  in vfpOpen()
373 	(void) vfpSetFlags(vfp, a_flags);  in vfpOpen()
377 	vfp->_vfpPath = strdup(a_path ? a_path : "");  in vfpOpen()
382 		vfp->_vfpFlags |= _VFP_WRITE;  in vfpOpen()
386 		vfp->_vfpFlags |= _VFP_READ;  in vfpOpen()
391 	(*r_vfp) = vfp;  in vfpOpen()
413 	VFP_T	*vfp;  in vfpClose()  local
424 	vfp = *r_vfp;  in vfpClose()
428 	if (vfp == (VFP_T *)NULL) {  in vfpClose()
442 	if (vfp->_vfpFlags & _VFP_WRITE) {  in vfpClose()
443 		if ((vfp->_vfpFlags & _VFP_MALLOC) &&  in vfpClose()
444 				(vfp->_vfpFile != (FILE *)NULL)) {  in vfpClose()
448 			len = vfpGetModifiedLen(vfp);  in vfpClose()
452 				(void) vfpSafePwrite(fileno(vfp->_vfpFile),  in vfpClose()
453 						vfp->_vfpStart, len, (off_t)0);  in vfpClose()
460 	if (vfp->_vfpFlags & _VFP_MALLOC) {  in vfpClose()
461 		(void) free(vfp->_vfpStart);  in vfpClose()
462 	} else if (vfp->_vfpFlags & _VFP_MMAP) {  in vfpClose()
465 		(void) munmap(vfp->_vfpStart, vfp->_vfpMapSize);  in vfpClose()
469 		(void) free(vfp->_vfpStart);  in vfpClose()
474 	(void) free(vfp->_vfpPath);  in vfpClose()
479 	if (vfp->_vfpFile != (FILE *)NULL) {  in vfpClose()
480 		ret = fclose(vfp->_vfpFile);  in vfpClose()
486 	(void) free(vfp);  in vfpClose()
818 	VFP_T		*vfp;		/* newly allocated checkpointed VFP */  in vfpCheckpointFile()  local
887 	vfp = (VFP_T *)malloc(sizeof (VFP_T));  in vfpCheckpointFile()
888 	if (vfp == (VFP_T *)NULL) {  in vfpCheckpointFile()
914 	(void) memcpy(vfp, avfp, sizeof (VFP_T));  in vfpCheckpointFile()
926 	vfp->_vfpPath = strdup(a_path);  in vfpCheckpointFile()
930 	vfp->_vfpCkDev = statbuf.st_dev;	/* devid holding st_ino inode */  in vfpCheckpointFile()
931 	vfp->_vfpCkIno = statbuf.st_ino;	/* backing store inode */  in vfpCheckpointFile()
932 	vfp->_vfpCkMtime = statbuf.st_mtime;	/* last data modification */  in vfpCheckpointFile()
933 	vfp->_vfpCkSize = statbuf.st_size;	/* backing store size (bytes) */  in vfpCheckpointFile()
934 	vfp->_vfpCkStBlocks = statbuf.st_blocks; /* blocks allocated to file */  in vfpCheckpointFile()
938 	(*r_cpVfp) = vfp;  in vfpCheckpointFile()
985 	VFP_T		*vfp;	/* new VFP open on checkpointed backing store */  in vfpCheckpointOpen()  local
1060 	vfp = (VFP_T *)malloc(sizeof (VFP_T));  in vfpCheckpointOpen()
1061 	if (vfp == (VFP_T *)NULL) {  in vfpCheckpointOpen()
1068 	(void) memcpy(vfp, cpVfp, sizeof (VFP_T));  in vfpCheckpointOpen()
1076 	vfp->_vfpFile = fp;  in vfpCheckpointOpen()
1080 	if (vfp->_vfpPath != (char *)NULL) {  in vfpCheckpointOpen()
1081 		(void) free(vfp->_vfpPath);  in vfpCheckpointOpen()
1086 	vfp->_vfpPath = strdup(a_path);  in vfpCheckpointOpen()
1096 	vfp->_vfpCurr = (char *)vfp->_vfpStart;  in vfpCheckpointOpen()
1108 	(*r_vfp) = vfp;  in vfpCheckpointOpen()