67 	fmemopen_t *fmp = _xdata(iop);  in fmemopen_read()  local
69 	nbytes = MIN(nbytes, fmp->fmo_lsize - fmp->fmo_pos);  in fmemopen_read()
74 	(void) memcpy(buf, fmp->fmo_buf, nbytes);  in fmemopen_read()
75 	fmp->fmo_pos += nbytes;  in fmemopen_read()
84 	fmemopen_t *fmp = _xdata(iop);  in fmemopen_write()  local
86 	if ((fmp->fmo_flags & FMO_F_APPEND) != 0) {  in fmemopen_write()
92 		fmp->fmo_pos = fmp->fmo_lsize;  in fmemopen_write()
102 	npos = fmp->fmo_pos + nbytes;  in fmemopen_write()
106 	} else if (npos > fmp->fmo_alloc) {  in fmemopen_write()
107 		nbytes = fmp->fmo_alloc - fmp->fmo_pos;  in fmemopen_write()
110 	(void) memcpy(&fmp->fmo_buf[fmp->fmo_pos], buf, nbytes);  in fmemopen_write()
111 	fmp->fmo_pos += nbytes;  in fmemopen_write()
113 	if (fmp->fmo_pos > fmp->fmo_lsize) {  in fmemopen_write()
114 		fmp->fmo_lsize = fmp->fmo_pos;  in fmemopen_write()
123 		if (fmp->fmo_lsize < fmp->fmo_alloc) {  in fmemopen_write()
124 			fmp->fmo_buf[fmp->fmo_lsize] = '\0';  in fmemopen_write()
125 		} else if ((fmp->fmo_flags & FMO_F_APPEND) == 0) {  in fmemopen_write()
126 			fmp->fmo_buf[fmp->fmo_alloc - 1] = '\0';  in fmemopen_write()
136 	fmemopen_t *fmp = _xdata(iop);  in fmemopen_seek()  local
144 		base = fmp->fmo_pos;  in fmemopen_seek()
147 		base = fmp->fmo_lsize;  in fmemopen_seek()
154 	if (!memstream_seek(base, off, fmp->fmo_alloc, &npos)) {  in fmemopen_seek()
158 	fmp->fmo_pos = npos;  in fmemopen_seek()
160 	return ((off_t)fmp->fmo_pos);  in fmemopen_seek()
164 fmemopen_free(fmemopen_t *fmp)  in fmemopen_free()  argument
166 	if (fmp->fmo_buf != NULL &&  in fmemopen_free()
167 	    (fmp->fmo_flags & FMO_F_USER_BUFFER) == 0) {  in fmemopen_free()
168 		free(fmp->fmo_buf);  in fmemopen_free()
171 	free(fmp);  in fmemopen_free()
177 	fmemopen_t *fmp = _xdata(iop);  in fmemopen_close()  local
178 	fmemopen_free(fmp);  in fmemopen_close()
188 	fmemopen_t *fmp;  in fmemopen()  local
210 	if ((fmp = calloc(1, sizeof (fmemopen_t))) == NULL) {  in fmemopen()
216 		fmp->fmo_buf = calloc(size, sizeof (uint8_t));  in fmemopen()
217 		if (fmp->fmo_buf == NULL) {  in fmemopen()
222 		fmp->fmo_buf = buf;  in fmemopen()
223 		fmp->fmo_flags |= FMO_F_USER_BUFFER;  in fmemopen()
226 	fmp->fmo_alloc = size;  in fmemopen()
234 		fmp->fmo_pos = strnlen(fmp->fmo_buf, fmp->fmo_alloc);  in fmemopen()
235 		fmp->fmo_lsize = fmp->fmo_pos;  in fmemopen()
236 		fmp->fmo_flags |= FMO_F_APPEND;  in fmemopen()
238 		fmp->fmo_buf[0] = '\0';  in fmemopen()
239 		fmp->fmo_pos = 0;  in fmemopen()
240 		fmp->fmo_lsize = 0;  in fmemopen()
242 		fmp->fmo_pos = 0;  in fmemopen()
243 		fmp->fmo_lsize = size;  in fmemopen()
257 	    fmemopen_close, fmp) != 0) {  in fmemopen()
267 	fmemopen_free(fmp);  in fmemopen()