32 lines
849 B
C
32 lines
849 B
C
/*
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* This file is part of the UCB release of Plan 9. It is subject to the license
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* terms in the LICENSE file found in the top-level directory of this
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* distribution and at http://akaros.cs.berkeley.edu/files/Plan9License. No
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* part of the UCB release of Plan 9, including this file, may be copied,
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* modified, propagated, or distributed except according to the terms contained
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* in the LICENSE file.
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*/
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/*
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* pANS stdio -- sopenr
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*/
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#include "iolib.h"
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FILE *sopenr(const char *s){
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FILE *f;
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qlock(&_stdiolk);
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for(f=_IO_stream;f!=&_IO_stream[FOPEN_MAX];f++) if(f->state==CLOSED) break;
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if(f==&_IO_stream[FOPEN_MAX]) {
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qunlock(&_stdiolk);
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return NULL;
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}
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f->buf=f->rp=(char *)s; /* what an annoyance const is */
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f->bufl=strlen(s);
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f->wp=f->buf+f->bufl;
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f->state=RD;
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f->flags=STRING;
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f->fd=-1;
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qunlock(&_stdiolk);
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return f;
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}
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