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1.1 ! root 1: /* comio.c */ ! 2: ! 3: /* Synchronet Serial Communications I/O Library Common Functions */ ! 4: ! 5: /* $Id: comio.c,v 1.1 2007/04/21 01:36:35 rswindell Exp $ */ ! 6: ! 7: /**************************************************************************** ! 8: * @format.tab-size 4 (Plain Text/Source Code File Header) * ! 9: * @format.use-tabs true (see http://www.synchro.net/ptsc_hdr.html) * ! 10: * * ! 11: * Copyright 2007 Rob Swindell - http://www.synchro.net/copyright.html * ! 12: * * ! 13: * This library is free software; you can redistribute it and/or * ! 14: * modify it under the terms of the GNU Lesser General Public License * ! 15: * as published by the Free Software Foundation; either version 2 * ! 16: * of the License, or (at your option) any later version. * ! 17: * See the GNU Lesser General Public License for more details: lgpl.txt or * ! 18: * http://www.fsf.org/copyleft/lesser.html * ! 19: * * ! 20: * Anonymous FTP access to the most recent released source is available at * ! 21: * ftp://vert.synchro.net, ftp://cvs.synchro.net and ftp://ftp.synchro.net * ! 22: * * ! 23: * Anonymous CVS access to the development source and modification history * ! 24: * is available at cvs.synchro.net:/cvsroot/sbbs, example: * ! 25: * cvs -d :pserver:[email protected]:/cvsroot/sbbs login * ! 26: * (just hit return, no password is necessary) * ! 27: * cvs -d :pserver:[email protected]:/cvsroot/sbbs checkout src * ! 28: * * ! 29: * For Synchronet coding style and modification guidelines, see * ! 30: * http://www.synchro.net/source.html * ! 31: * * ! 32: * You are encouraged to submit any modifications (preferably in Unix diff * ! 33: * format) via e-mail to [email protected] * ! 34: * * ! 35: * Note: If this box doesn't appear square, then you need to fix your tabs. * ! 36: ****************************************************************************/ ! 37: ! 38: #include "comio.h" ! 39: #include "genwrap.h" /* msclock */ ! 40: ! 41: size_t comReadBuf(COM_HANDLE handle, char* buf, size_t buflen, const char* terminators, int timeout) ! 42: { ! 43: BYTE ch; ! 44: size_t len=0; ! 45: msclock_t start=msclock(); ! 46: ! 47: while(len < buflen) { ! 48: if(!comReadByte(handle, &ch)) { ! 49: if(msclock()-start >= timeout) ! 50: break; ! 51: YIELD(); ! 52: continue; ! 53: } ! 54: if(len && terminators!=NULL && strchr(terminators, ch)!=NULL) ! 55: break; ! 56: buf[len++]=ch; ! 57: } ! 58: ! 59: return len; ! 60: } ! 61: ! 62: size_t comReadLine(COM_HANDLE handle, char* buf, size_t buflen, int timeout) ! 63: { ! 64: size_t len; ! 65: ! 66: len=comReadBuf(handle, buf, buflen-1, "\n", timeout); ! 67: ! 68: buf[len]=0; ! 69: ! 70: return len; ! 71: } ! 72:
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