1N/A/***********************************************************************
1N/A* *
1N/A* This software is part of the ast package *
1N/A* Copyright (c) 1985-2011 AT&T Intellectual Property *
1N/A* and is licensed under the *
1N/A* Common Public License, Version 1.0 *
1N/A* by AT&T Intellectual Property *
1N/A* *
1N/A* A copy of the License is available at *
1N/A* http://www.opensource.org/licenses/cpl1.0.txt *
1N/A* (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9) *
1N/A* *
1N/A* Information and Software Systems Research *
1N/A* AT&T Research *
1N/A* Florham Park NJ *
1N/A* *
1N/A* Glenn Fowler <gsf@research.att.com> *
1N/A* David Korn <dgk@research.att.com> *
1N/A* Phong Vo <kpv@research.att.com> *
1N/A* *
1N/A***********************************************************************/
1N/A#include "sfhdr.h"
1N/A
1N/A/* Put out a null-terminated string
1N/A**
1N/A** Written by Kiem-Phong Vo.
1N/A*/
1N/A#if __STD_C
1N/Assize_t sfputr(Sfio_t* f, const char* s, int rc)
1N/A#else
1N/Assize_t sfputr(f,s,rc)
1N/ASfio_t* f; /* write to this stream */
1N/Achar* s; /* string to write */
1N/Aint rc; /* record separator. */
1N/A#endif
1N/A{
1N/A reg ssize_t p, n, w;
1N/A reg uchar* ps;
1N/A SFMTXDECL(f);
1N/A
1N/A SFMTXENTER(f,-1);
1N/A
1N/A if(f->mode != SF_WRITE && _sfmode(f,SF_WRITE,0) < 0)
1N/A SFMTXRETURN(f, -1);
1N/A
1N/A SFLOCK(f,0);
1N/A
1N/A for(w = 0; (*s || rc >= 0); )
1N/A { if(SFWPEEK(f,ps,p) < 0)
1N/A break;
1N/A
1N/A if(p == 0 || (f->flags&SF_WHOLE) )
1N/A { n = strlen(s);
1N/A if(p >= (n + (rc < 0 ? 0 : 1)) )
1N/A { /* buffer can hold everything */
1N/A if(n > 0)
1N/A { memcpy(ps, s, n);
1N/A ps += n;
1N/A w += n;
1N/A }
1N/A if(rc >= 0)
1N/A { *ps++ = rc;
1N/A w += 1;
1N/A }
1N/A f->next = ps;
1N/A }
1N/A else
1N/A { /* create a reserve buffer to hold data */
1N/A Sfrsrv_t* rsrv;
1N/A
1N/A p = n + (rc >= 0 ? 1 : 0);
1N/A if(!(rsrv = _sfrsrv(f, p)) )
1N/A n = 0;
1N/A else
1N/A { if(n > 0)
1N/A memcpy(rsrv->data, s, n);
1N/A if(rc >= 0)
1N/A rsrv->data[n] = rc;
1N/A if((n = SFWRITE(f,rsrv->data,p)) < 0 )
1N/A n = 0;
1N/A }
1N/A
1N/A w += n;
1N/A }
1N/A break;
1N/A }
1N/A
1N/A if(*s == 0)
1N/A { *ps++ = rc;
1N/A f->next = ps;
1N/A w += 1;
1N/A break;
1N/A }
1N/A
1N/A#if _lib_memccpy && !__ia64 /* these guys may never get it right */
1N/A if((ps = (uchar*)memccpy(ps,s,'\0',p)) != NIL(uchar*))
1N/A ps -= 1;
1N/A else ps = f->next+p;
1N/A s += ps - f->next;
1N/A#else
1N/A for(; p > 0; --p, ++ps, ++s)
1N/A if((*ps = *s) == 0)
1N/A break;
1N/A#endif
1N/A w += ps - f->next;
1N/A f->next = ps;
1N/A }
1N/A
1N/A /* sync unseekable shared streams */
1N/A if(f->extent < 0 && (f->flags&SF_SHARE) )
1N/A (void)SFFLSBUF(f,-1);
1N/A
1N/A /* check for line buffering */
1N/A else if((f->flags&SF_LINE) && !(f->flags&SF_STRING) && (n = f->next-f->data) > 0)
1N/A { if(n > w)
1N/A n = w;
1N/A f->next -= n;
1N/A (void)SFWRITE(f,(Void_t*)f->next,n);
1N/A }
1N/A
1N/A SFOPEN(f,0);
1N/A SFMTXRETURN(f, w);
1N/A}