Annotation of OpenXM_contrib2/asir2018/parse/stdio.c, Revision 1.1
1.1 ! ohara 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
! 26: * e-mail at risa-admin@sec.flab.fujitsu.co.jp of the detailed specification
! 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.
! 47: *
! 48: * $OpenXM$
! 49: */
! 50: #include <stdio.h>
! 51: #include <stdlib.h>
! 52: #include <string.h>
! 53: #include <stdarg.h>
! 54: #include "w_stdio.h"
! 55:
! 56: static struct w_buf {
! 57: int inlen, inpos;
! 58: int outpos;
! 59: char inbuf[2*BUFSIZ];
! 60: char outbuf[2*BUFSIZ];
! 61: } W_BUF;
! 62:
! 63: static int noflush;
! 64: extern int emergency;
! 65:
! 66: #define INBUF_EMPTY (W_BUF.inpos >= W_BUF.inlen)
! 67:
! 68: void w_purge_stdin(void)
! 69: {
! 70: W_BUF.inpos = 0;
! 71: W_BUF.inlen = 0;
! 72: }
! 73:
! 74: int w_filbuf(void)
! 75: {
! 76: int status = get_line(W_BUF.inbuf);
! 77:
! 78: /* XXX */
! 79: if ( emergency ) return 0;
! 80:
! 81: W_BUF.inpos = 0;
! 82: W_BUF.inlen = strlen(W_BUF.inbuf);
! 83: return status;
! 84: }
! 85:
! 86: int w_flushbuf(void) {
! 87: /* XXX */
! 88: if ( emergency ) return 0;
! 89:
! 90: W_BUF.outbuf[W_BUF.outpos] = 0;
! 91: W_BUF.outpos = 0;
! 92: put_line(W_BUF.outbuf);
! 93: return 0;
! 94: }
! 95:
! 96: int w_fflush(FILE *file)
! 97: {
! 98: if ( file == stdout || file == stderr )
! 99: return w_flushbuf();
! 100: else
! 101: return fflush(file);
! 102: }
! 103:
! 104: void w_noflush_stderr(int flag)
! 105: {
! 106: noflush = flag;
! 107: }
! 108:
! 109: int get_char(void)
! 110: {
! 111: int status = 0;
! 112:
! 113: if ( INBUF_EMPTY )
! 114: status = w_filbuf();
! 115: if ( status )
! 116: return EOF;
! 117: else
! 118: return (int)W_BUF.inbuf[W_BUF.inpos++];
! 119: }
! 120:
! 121: char *get_string(char *s, int n)
! 122: {
! 123: int i;
! 124: char *p;
! 125: int status = 0;
! 126:
! 127: if ( INBUF_EMPTY )
! 128: status = w_filbuf();
! 129: if ( status )
! 130: return NULL;
! 131: for ( i = 0, p = s; i < n && !INBUF_EMPTY && W_BUF.inbuf[i]; i++ )
! 132: *p++ = W_BUF.inbuf[W_BUF.inpos++];
! 133: if ( i < n )
! 134: *p = 0;
! 135: return s;
! 136: }
! 137:
! 138: int w_fgetc(FILE *file)
! 139: {
! 140: if ( file == stdin )
! 141: return get_char();
! 142: else
! 143: return fgetc(file);
! 144: }
! 145:
! 146: int unget_char(int c)
! 147: {
! 148: W_BUF.inbuf[--W_BUF.inpos] = (char )c;
! 149: return c;
! 150: }
! 151:
! 152: int win_put_string(char *s,FILE *file);
! 153:
! 154: int win_put_char(int c,FILE *file)
! 155: {
! 156: static char s[2];
! 157:
! 158: s[0] = (char)c;
! 159: win_put_string(s,file);
! 160: return c;
! 161: }
! 162:
! 163: int win_put_string(char *s,FILE *file)
! 164: {
! 165: char c;
! 166:
! 167: while ( 1 ) {
! 168: for ( ; (c = *s) && W_BUF.outpos < BUFSIZ; s++ ) {
! 169: W_BUF.outbuf[W_BUF.outpos++] = c;
! 170: if ( c == '\n' ) {
! 171: W_BUF.outbuf[W_BUF.outpos-1] = '\r';
! 172: W_BUF.outbuf[W_BUF.outpos++] = '\n';
! 173: w_flushbuf();
! 174: }
! 175: }
! 176: if ( !c )
! 177: break;
! 178: else if ( W_BUF.outpos == BUFSIZ )
! 179: w_flushbuf();
! 180: }
! 181: if (file == stderr && !noflush)
! 182: w_flushbuf();
! 183: return 0;
! 184: }
! 185:
! 186: char *w_fgets(char *s,int n, FILE *file)
! 187: {
! 188: if ( file == stdin )
! 189: return get_string(s,n);
! 190: else
! 191: return fgets(s,n,file);
! 192: }
! 193:
! 194: int w_ungetc(int c, FILE *file)
! 195: {
! 196: if ( file == stdin )
! 197: return unget_char(c);
! 198: else
! 199: return ungetc(c,file);
! 200: }
! 201:
! 202: int w_fputc(int c, FILE *file)
! 203: {
! 204: if ( file == stdout || file == stderr )
! 205: return win_put_char(c,file);
! 206: else
! 207: return fputc(c,file);
! 208: }
! 209:
! 210: int w_fputs(char *s, FILE *file)
! 211: {
! 212: if ( file == stdout || file == stderr )
! 213: return win_put_string(s,file);
! 214: else
! 215: return fputs(s,file);
! 216: }
! 217:
! 218: int w_printf(char *format, ...)
! 219: {
! 220: va_list ap;
! 221: int status;
! 222: static char *buf;
! 223: static int bufsiz=0;
! 224:
! 225: if ( !bufsiz ) {
! 226: bufsiz = BUFSIZ*10; buf = (char *)malloc(bufsiz);
! 227: }
! 228: va_start(ap,format);
! 229: status = vsnprintf(buf,0,format,ap);
! 230: if ( status > bufsiz ) {
! 231: bufsiz = 2*status; free(buf); buf = (char *)malloc(bufsiz);
! 232: }
! 233: status = vsprintf(buf,format,ap);
! 234: win_put_string(buf,stdout);
! 235: return status;
! 236: }
! 237:
! 238: int w_fprintf(FILE *file, char *format, ...)
! 239: {
! 240: va_list ap;
! 241: int status;
! 242: static char *buf;
! 243: static int bufsiz=0;
! 244:
! 245: if ( !bufsiz ) {
! 246: bufsiz = BUFSIZ*10; buf = (char *)malloc(bufsiz);
! 247: }
! 248: va_start(ap,format);
! 249: if ( file == stdout || file == stderr ) {
! 250: status = vsnprintf(buf,0,format,ap);
! 251: if ( status > bufsiz ) {
! 252: bufsiz = 2*status; free(buf); buf = (char *)malloc(bufsiz);
! 253: }
! 254: status = vsprintf(buf,format,ap);
! 255: win_put_string(buf,file);
! 256: } else {
! 257: status = vfprintf(file,format,ap);
! 258: }
! 259: va_end(ap);
! 260: return status;
! 261: }
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