Annotation of OpenXM_contrib2/asir2000/io/ws_fileio.c, Revision 1.6
1.2 noro 1: /*
2: * Copyright (c) 1994-2000 FUJITSU LABORATORIES LIMITED
3: * All rights reserved.
4: *
5: * FUJITSU LABORATORIES LIMITED ("FLL") hereby grants you a limited,
6: * non-exclusive and royalty-free license to use, copy, modify and
7: * redistribute, solely for non-commercial and non-profit purposes, the
8: * computer program, "Risa/Asir" ("SOFTWARE"), subject to the terms and
9: * conditions of this Agreement. For the avoidance of doubt, you acquire
10: * only a limited right to use the SOFTWARE hereunder, and FLL or any
11: * third party developer retains all rights, including but not limited to
12: * copyrights, in and to the SOFTWARE.
13: *
14: * (1) FLL does not grant you a license in any way for commercial
15: * purposes. You may use the SOFTWARE only for non-commercial and
16: * non-profit purposes only, such as academic, research and internal
17: * business use.
18: * (2) The SOFTWARE is protected by the Copyright Law of Japan and
19: * international copyright treaties. If you make copies of the SOFTWARE,
20: * with or without modification, as permitted hereunder, you shall affix
21: * to all such copies of the SOFTWARE the above copyright notice.
22: * (3) An explicit reference to this SOFTWARE and its copyright owner
23: * shall be made on your publication or presentation in any form of the
24: * results obtained by use of the SOFTWARE.
25: * (4) In the event that you modify the SOFTWARE, you shall notify FLL by
1.3 noro 26: * e-mail at risa-admin@sec.flab.fujitsu.co.jp of the detailed specification
1.2 noro 27: * for such modification or the source code of the modified part of the
28: * SOFTWARE.
29: *
30: * THE SOFTWARE IS PROVIDED AS IS WITHOUT ANY WARRANTY OF ANY KIND. FLL
31: * MAKES ABSOLUTELY NO WARRANTIES, EXPRESSED, IMPLIED OR STATUTORY, AND
32: * EXPRESSLY DISCLAIMS ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS
33: * FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT OF THIRD PARTIES'
34: * RIGHTS. NO FLL DEALER, AGENT, EMPLOYEES IS AUTHORIZED TO MAKE ANY
35: * MODIFICATIONS, EXTENSIONS, OR ADDITIONS TO THIS WARRANTY.
36: * UNDER NO CIRCUMSTANCES AND UNDER NO LEGAL THEORY, TORT, CONTRACT,
37: * OR OTHERWISE, SHALL FLL BE LIABLE TO YOU OR ANY OTHER PERSON FOR ANY
38: * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, PUNITIVE OR CONSEQUENTIAL
39: * DAMAGES OF ANY CHARACTER, INCLUDING, WITHOUT LIMITATION, DAMAGES
40: * ARISING OUT OF OR RELATING TO THE SOFTWARE OR THIS AGREEMENT, DAMAGES
41: * FOR LOSS OF GOODWILL, WORK STOPPAGE, OR LOSS OF DATA, OR FOR ANY
42: * DAMAGES, EVEN IF FLL SHALL HAVE BEEN INFORMED OF THE POSSIBILITY OF
43: * SUCH DAMAGES, OR FOR ANY CLAIM BY ANY OTHER PARTY. EVEN IF A PART
44: * OF THE SOFTWARE HAS BEEN DEVELOPED BY A THIRD PARTY, THE THIRD PARTY
45: * DEVELOPER SHALL HAVE NO LIABILITY IN CONNECTION WITH THE USE,
46: * PERFORMANCE OR NON-PERFORMANCE OF THE SOFTWARE.
1.6 ! noro 47: * $OpenXM: OpenXM_contrib2/asir2000/io/ws_fileio.c,v 1.5 2003/03/07 03:12:28 noro Exp $
1.2 noro 48: */
1.6 ! noro 49: #if defined(VISUAL) || defined(MPI)
1.1 noro 50: #include<stdio.h>
51: #include"wsio.h"
52:
53: STREAM* WSIO_open(int, char *);
54: int WSIO_read (char *, int, STREAM *);
55: int WSIO_write (char *, int, STREAM *);
56: int WSIO_flushbuf(STREAM *);
57: int WSIO_fillbuf(STREAM *);
58:
59: int cread (data, element_size, count, s)
60: char* data;
61: unsigned element_size;
62: int count;
63: STREAM* s;
64: {
65: int length,total,r;
66: char *p;
67:
68: if (!s || !s->read_flag || !data
69: || !element_size || !count)
70: return 0;
71:
72: length = element_size * count;
73:
74: total = length;
75: p = data;
76: while ( length > (r = s->buf_size - s->p) ) {
77: memcpy((void *)p,(void *)(s->buf+s->p),r);
78: s->p += r;
79: p += r;
80: length -= r;
81: if ( !WSIO_fillbuf(s) )
82: return (total-length)/ element_size;
83: }
84: memcpy((void *)p,(void *)(s->buf+s->p),length);
85: s->p += length;
86: return count;
87: }
88:
89: int cwrite (data, element_size, count, s)
90: char* data;
91: unsigned element_size;
92: int count;
93: STREAM* s;
94: {
95: int length,total,r;
96: char *p;
97:
98: if (!s || s->read_flag || !data
99: || !element_size || !count)
100: return 0;
101:
102: length = element_size * count;
103:
104: total = length;
105: p = data;
106: while ( length > (r = s->buf_size - s->p) ) {
107: memcpy((void *)(s->buf+s->p),(void *)p,r);
108: s->p += r;
109: p += r;
110: length -= r;
111: if ( !WSIO_flushbuf(s) )
112: return (total-length)/ element_size;
113: }
114: memcpy((void *)(s->buf+s->p),(void *)p,length);
115: s->p += length;
116: return count;
117: }
118:
119: int cflush(s)
120: STREAM* s;
121: {
122: if (!s || s->read_flag)
123: return EOF;
124:
125: if (!WSIO_flushbuf(s))
126: return EOF;
127: else
128: return 0;
129: }
130:
131: int WSIO_fillbuf(s)
132: STREAM* s;
133: {
134: s->buf_size = WSIO_read(s->buf, s->max_buf_size, s);
135: s->p = 0;
136:
137: return s->buf_size;
138: }
139:
140: int WSIO_flushbuf(s)
141: STREAM* s;
142: {
143: int rst;
144:
145:
146: rst = WSIO_write(s->buf, s->p, s);
147: s->p = 0;
148:
149: return rst;
150: }
151:
152: STREAM* WSIO_open(fildes, mode)
153: int fildes;
154: char* mode;
155: {
156: STREAM* rst = 0;
157: int flag = 0;
158:
159: rst = (STREAM*)malloc(sizeof(STREAM));
160: if (rst) {
161: #if defined(VISUAL)
162: _fileno(&rst->fp) = -1;
1.6 ! noro 163: #elif defined(MPI)
1.1 noro 164: #if defined(sparc)
165: (&rst->fp)->_file = -1;
166: #else
167: fileno(&rst->fp) = -1;
168: #endif
169: #endif
170: rst->fildes = fildes;
171:
172: if (mode[0] == 'r') {
173: rst->read_flag = 1;
174: rst->p = WSIO_STRING_LENGTH;
175: } else {
176: rst->read_flag = 0;
177: rst->p = 0;
178: }
179: rst->max_buf_size = rst->buf_size = WSIO_STRING_LENGTH;
180: rst->buf = (char*)malloc(WSIO_STRING_LENGTH);
181: if (!rst->buf) {
182: free (rst);
183: rst = 0;
184: }
185: rst->eof = 0;
186: rst->error = 0;
187: }
188: return rst;
189: }
190:
191: int WSIO_read (data, count, s)
192: char* data;
193: int count;
194: STREAM* s;
195: {
196: int size;
197:
198: if (!s)
199: return 0;
200:
201: #if defined(VISUAL)
202: size = recv(s->fildes,data,count,0);
1.6 ! noro 203: #elif defined(MPI)
1.1 noro 204: {
205: MPI_Status status;
206:
207: MPI_Recv(&size,1,MPI_INT,s->fildes,0,MPI_COMM_WORLD,&status);
208: if ( size > count )
209: size = count;
210: MPI_Recv(data,size,MPI_CHAR,s->fildes,0,MPI_COMM_WORLD,&status);
211: }
212: #endif
213: return size;
214: }
215:
216: int WSIO_write (data, count, s)
217: char* data;
218: int count;
219: STREAM* s;
220: {
221: int size;
222:
223: if (!s || !count)
224: return 0;
225:
226: #if defined(VISUAL)
227: size = send(s->fildes,data,count,0);
228: return size;
1.6 ! noro 229: #elif defined(MPI)
1.1 noro 230: MPI_Ssend(&count,1,MPI_INT,s->fildes,0,MPI_COMM_WORLD);
231: MPI_Ssend(data,count,MPI_CHAR,s->fildes,0,MPI_COMM_WORLD);
232: return count;
233: #endif
234: }
235:
1.6 ! noro 236: #if defined(MPI)
1.1 noro 237: int mpi_nprocs,mpi_myid;
238:
239: void mpi_init()
240: {
241: int argc;
242: char *argv[1];
243:
244: argc = 0; argv[0] = 0;
245: MPI_Init(&argc,&argv);
246: MPI_Comm_size(MPI_COMM_WORLD,&mpi_nprocs);
247: MPI_Comm_rank(MPI_COMM_WORLD,&mpi_myid);
248: }
249:
250: void mpi_finalize()
251: {
252: MPI_Finalize();
253: }
254: #endif
255: #endif
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