| 1 | /* a fifo queue that never fills. | 
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| 2 | * Copyright (C) 2005 Elwood C. Downey ecdowney@clearskyinstitute.com | 
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| 3 |  | 
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| 4 | This library is free software; you can redistribute it and/or | 
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| 5 | modify it under the terms of the GNU Lesser General Public | 
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| 6 | License as published by the Free Software Foundation; either | 
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| 7 | version 2.1 of the License, or (at your option) any later version. | 
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| 8 |  | 
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| 9 | This library is distributed in the hope that it will be useful, | 
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| 10 | but WITHOUT ANY WARRANTY; without even the implied warranty of | 
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| 11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU | 
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| 12 | Lesser General Public License for more details. | 
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| 13 |  | 
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| 14 | You should have received a copy of the GNU Lesser General Public | 
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| 15 | License along with this library; if not, write to the Free Software | 
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| 16 | Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA | 
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| 17 | */ | 
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| 18 |  | 
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| 19 | typedef struct _FQ FQ; | 
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| 20 |  | 
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| 21 | extern FQ *newFQ(int grow); | 
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| 22 | extern void delFQ (FQ *q); | 
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| 23 | extern void pushFQ (FQ *q, void *e); | 
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| 24 | extern void *popFQ (FQ *q); | 
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| 25 | extern void *peekFQ (FQ *q); | 
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| 26 | extern void *peekiFQ (FQ *q, int i); | 
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| 27 | extern int nFQ (FQ *q); | 
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| 28 | extern void setMemFuncsFQ (void *(*newmalloc)(size_t size), | 
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| 29 | void *(*newrealloc)(void *ptr, size_t size), | 
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| 30 | void (*newfree)(void *ptr)); | 
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| 31 |  | 
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